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Journal articles on the topic 'Caulerpa cylindracae'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Mert-Ozupek, Nazli, Gizem Calibasi-Kocal, Nur Olgun, Yasemin Basbinar, Levent Cavas, and Hulya Ellidokuz. "An Efficient and Quick Analytical Method for the Quantification of an Algal Alkaloid Caulerpin Showed In-Vitro Anticancer Activity against Colorectal Cancer." Marine Drugs 20, no. 12 (November 30, 2022): 757. http://dx.doi.org/10.3390/md20120757.

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Biological invasion is the successful spread and establishment of a species in a novel environment that adversely affects the biodiversity, ecology, and economy. Both invasive and non-invasive species of the Caulerpa genus secrete more than thirty different secondary metabolites. Caulerpin is one of the most common secondary metabolites in genus Caulerpa. In this study, caulerpin found in invasive Caulerpa cylindracea and non-invasive Caulerpa lentillifera extracts were analyzed, quantified, and compared using high-performance thin layer chromatography (HPTLC) for the first time. The anticancer activities of caulerpin against HCT-116 and HT-29 colorectal cancer (CRC) cell lines were also tested. Caulerpin levels were found higher in the invasive form (108.83 ± 5.07 µg mL−1 and 96.49 ± 4.54 µg mL−1). Furthermore, caulerpin isolated from invasive Caulerpa decreased cell viability in a concentration-dependent manner (IC50 values were found between 119 and 179 µM), inhibited invasion-migration, and induced apoptosis in CRC cells. In comparison, no cytotoxic effects on the normal cell lines (HDF and NIH-3T3) were observed. In conclusion, HPTLC is a quick and novel method to investigate the caulerpin levels found in Caulerpa extracts, and this paper proposes an alternative utilization method for invasive C. cylindracea due to significant caulerpin content compared to non-invasive C. lentillifera.

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2

Schiano, Valentina, Adele Cutignano, Daniela Maiello, Marianna Carbone, Maria Letizia Ciavatta, Gianluca Polese, Federica Fioretto, et al. "An Alkaloid from a Highly Invasive Seaweed Increases the Voracity and Reproductive Output of a Model Fish Species." Marine Drugs 20, no. 8 (August 12, 2022): 513. http://dx.doi.org/10.3390/md20080513.

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The invasive macroalga Caulerpa cylindracea has spread widely in the Mediterranean Sea, becoming a favorite food item for native fish for reasons yet unknown. By using a combination of behavioral, morphological, and molecular approaches, herein we provide evidence that the bisindole alkaloid caulerpin, a major secondary metabolite of C. cylindracea, significantly increases food intake in the model fish Danio rerio, influencing the regulation of genes involved in the orexigenic pathway. In addition, we found that the compound improves fish reproductive performance by affecting the hypothalamus–pituitary–gonadal axis. The obtained results pave the way for the possible valorization of C. cylindracea as a sustainable source of a functional feed additive of interest to face critical challenges both in aquaculture and in human nutrition.

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3

Del Coco, Laura, Serena Felline, Chiara Girelli, Federica Angilè, Laura Magliozzi, Frederico Almada, Biagio D’Aniello, Ernesto Mollo, Antonio Terlizzi, and Francesco Fanizzi. "1H NMR Spectroscopy and MVA to Evaluate the Effects of Caulerpin-Based Diet on Diplodus sargus Lipid Profiles." Marine Drugs 16, no. 10 (October 18, 2018): 390. http://dx.doi.org/10.3390/md16100390.

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The biological invasion of the green algae Caulerpa cylindracea represents a serious scientific and public issue in the Mediterranean Sea, essentially due to strong modifications both to habitat structure and native benthic communities. Although alterations in health status and changes in flesh quality of some marine species (dietary exposed to C. cylindracea) have been observed, no studies on cause-effect relationships have been carried out. Here, for the first time, through a controlled feeding experiment followed by 1H NMR Spectroscopy and multivariate analysis (PCA, OPLS-DA), we showed that caulerpin taken with diet is directly responsible of changes observed in metabolic profile of fish flesh, including alteration of lipid metabolism, in particular with a reduction of ω3 PUFA content. The potential of caulerpin to directly modulate lipid metabolism opens up new questions about causal mechanism triggered by algal metabolite also in view of a possible exploitation in the nutraceutical/medical field.

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4

HANDAJANI, FITRI, Adya Hidayatullah, and Nita Pranitasari. "Effect of Caulerpa Cylindracea Extract on Histopathology Depiction of Male Rattus Norvegicus Gaster Mucosa Induced by Indomethacin." Medical and Health Science Journal 5, no. 1 (February 28, 2021): 1–6. http://dx.doi.org/10.33086/mhsj.v5i1.1671.

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ABSTRACT Background: A lot of food can repair gastric mucosal damage. For example, sea grapes or the Caulerpa cylindracea with its flavonoid content. Anti-inflammatory and anti-ulcer effect can reduce gastric lesions due to ulcerogenic agents. Indomethacin is used to induce gastric ulcers in experimental animals. Based on this background, this study was conducted to analyze the effect of Caulerpa cylindracea extract, on the histopathological picture of gastric mucosal damage of Rattus norvegicus male rats. Method: 32 male Rattus norvegicus rats were divided into 4 groups, (1) Group K(-), the untreated group, (2) Group K(+) induced by indomethacin 30mg/kgBB per head (3) Group P1 induced by indomethacin 30 mg/kgBB and Caulerpa cylindracea extract 1gr/100grBB per head, (4) Group P2, induced by indometacin 30mg/kgBB and 2gr/100grBB of Caulerpa cylindracea extract per head. Result: There was a significant difference (p = 0.001) between the degree of gastric mucosal damage in group K(+) given only indomethacin and group P1 given Indomethacin and 1gr/100grBB Caulerpa cylindracea extract. There was a significant difference (p = 0.001) between group K(+) and group P2 that given Indomethacin and 2g/100grBB Caulerpa cylindracea extract. There was a significant difference (p = 0.004) between group P1 and group P2. Data revealed on group K(-) without any treatment did not obtain significant results (p = 0.060) with group P2. Conclusion: Giving Caulerpa cylindracea extract with 1 gr/100grBB dose and 2gr/100grBB dose can repair mucosal damage in Rattus norvegicus male rats induced by indomethacin.

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5

Vitale, Rosa, Enrico D'Aniello, Stefania Gorbi, Andrea Martella, Cristoforo Silvestri, Maria Giuliani, Tariq Fellous, et al. "Fishing for Targets of Alien Metabolites: A Novel Peroxisome Proliferator-Activated Receptor (PPAR) Agonist from a Marine Pest." Marine Drugs 16, no. 11 (November 3, 2018): 431. http://dx.doi.org/10.3390/md16110431.

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Although the chemical warfare between invasive and native species has become a central problem in invasion biology, the molecular mechanisms by which bioactive metabolites from invasive pests influence local communities remain poorly characterized. This study demonstrates that the alkaloid caulerpin (CAU)—a bioactive component of the green alga Caulerpa cylindracea that has invaded the entire Mediterranean basin—is an agonist of peroxisome proliferator-activated receptors (PPARs). Our interdisciplinary study started with the in silico prediction of the ligand-protein interaction, which was then validated by in vivo, ex vivo and in vitro assays. On the basis of these results, we candidate CAU as a causal factor of the metabolic and behavioural disorders observed in Diplodus sargus, a native edible fish of high ecological and commercial relevance, feeding on C. cylindracea. Moreover, given the considerable interest in PPAR activators for the treatment of relevant human diseases, our findings are also discussed in terms of a possible nutraceutical/pharmacological valorisation of the invasive algal biomasses, supporting an innovative strategy for conserving biodiversity as an alternative to unrealistic campaigns for the eradication of invasive pests.

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6

Casoli, Edoardo, Gianluca Mancini, Daniele Ventura, Andrea Belluscio, and Giandomenico Ardizzone. "Double Trouble: Synergy between Habitat Loss and the Spread of the Alien Species Caulerpa cylindracea (Sonder) in Three Mediterranean Habitats." Water 13, no. 10 (May 12, 2021): 1342. http://dx.doi.org/10.3390/w13101342.

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The role of habitat degradation on the spread of the alien green alga Caulerpa cylindracea is reported here by comparing observations achieved through a multi-year assessment on three Mediterraneans habitats, namely Posidonia oceanica meadows, Phyllophora crispa turf, and coralligenous reefs. Due to the peculiarity of the study site, both natural-reference and impacted conditions were investigated. C. cylindracea occurred in all the studied habitats under impacted conditions. High susceptibility to the invasion characterized impacted P. oceanica, where Caulerpa cover reached 70.0% in summer months. C. cylindracea cover did not differ significantly among conditions in P. crispa turf, where values never exceeded 5.0%. Conversely, the invasive green algae was low in abundance and patchily distributed in coralligenous reefs. Our results confirmed that habitat loss enhances the spread of C. cylindracea, although with different magnitudes among habitats. Dead matte areas of P. oceanica represented the most vulnerable habitat among those analyzed, whereas coralligenous reefs were less susceptible to the invasion under both the studied conditions.

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7

Klein, J. C., and M. Verlaque. "Experimental removal of the invasive Caulerpa racemosa triggers partial assemblage recovery." Journal of the Marine Biological Association of the United Kingdom 91, no. 1 (July 5, 2010): 117–25. http://dx.doi.org/10.1017/s0025315410000792.

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The invasive species Caulerpa racemosa var. cylindracea represents a serious threat to the diversity of benthic assemblages in the Mediterranean Sea. In the present study, a removal experiment was carried out to test whether, after 18 months of C. racemosa var. cylindracea exclusion, the macrophyte assemblage resembled a non-invaded assemblage. The results show that in the assemblage invaded by C. racemosa var. cylindracea the number of species, macrophyte cover, Shannon diversity and Pielou's evenness were lower than in the non-invaded assemblage. Erect perennial species were particularly affected and other introduced species were significantly reduced or completely excluded. After 18 months of removal/exclusion of C. racemosa var. cylindracea, only partial recovery of the macrophyte assemblage could be observed. Species numbers, total cover and erect perennial species cover were still significantly lower than in the non-invaded plots. However Shannon diversity and Pielou's evenness had reached comparable levels. In contrast to native macrophytes, the total cover of other introduced species reached a level comparable to the non-invaded plots. In summary, the present study revealed that after 18 months of C. racemosa var. cylindracea exclusion: (i) only partial recovery of the macrophyte assemblage occurred; and (ii) the development of other invasive species was favoured by the absence of C. racemosa var. cylindracea (Sisyphus effect).

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8

Felline, S., E. Mollo, A. Cutignano, L. Grauso, F. Andaloro, L. Castriota, P. Consoli, M. Falautano, M. Sinopoli, and A. Terlizzi. "Preliminary observations of caulerpin accumulation from the invasive Caulerpa cylindracea in native Mediterranean fish species." Aquatic Biology 26 (February 21, 2017): 27–31. http://dx.doi.org/10.3354/ab00671.

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9

Manconi, R., A. Padiglia, B. M. Padedda, and R. Pronzato. "Invasive green algae in a western Mediterranean Marine Protected Area: interaction of photophilous sponges with Caulerpa cylindracea." Journal of the Marine Biological Association of the United Kingdom 100, no. 3 (March 6, 2020): 361–73. http://dx.doi.org/10.1017/s0025315420000193.

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AbstractWe report on the relationships between some conspicuous Mediterranean photophilous sponge species and Caulerpa cylindracea, a non-indigenous species. A diversification of defence strategies and behaviour is highlighted in target species belonging to different orders of Demospongiae from a western Mediterranean Marine Protected Area (NW Sardinian Sea). Caulerpa cylindracea displays a strongly invasive behaviour during body colonization of the Irciniidae Sarcotragus spinosulus and Ircinia retidermata (order Dictyoceratida). These sponges possess pre-adaptive defensive morpho-functional and physiological traits enabling them to partly withstand algal invasion. Also Aplysina aerophoba (order Verongiida) seems to be able to control colonization. Successful anti-Caulerpa strategies characterize the rarely affected Crambe crambe (order Poecilosclerida). Species-specific competitive strategies are displayed at different levels of body architecture, behaviour and physiology by native sponge species. The invasion patterns on sponges, the invasion dynamics in 2016–2017 and topographic distribution of C. cylindracea on S. spinosulus confirm this algal species as a threat, with potential long-term effects on sponge assemblages. Data suggest other kinds of poorly investigated synergic stressors affecting these habitat-forming species. Defence strategies of sponge species take the form of: (1) passive deterrence by morpho-functional pre-adaptive traits as growth form, biomass amount, surface traits, and microhabitat within the sponges' aquiferous system; (2) active physiological defence, whereby the morphology/anatomy of the sponge body is adapted to control invaders, by body remodelling and regenerative processes within the aquiferous system and at the sponge surface; (3) presumed active chemical defence by exudation processes of bioactive compounds.

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10

Abeska, Yesim Yilmaz, and Levent Cavas. "Biosynthesis of Silver Nanoparticles by Using Invasive Caulerpa cylindracea Sonder." Turkish Journal of Fisheries and Aquatic Sciences 21, no. 09 (May 31, 2021): 451–63. http://dx.doi.org/10.4194/1303-2712-v21_9_04.

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Caulerpa cylindracea is an invasive seaweed in the Mediterranean Sea. In this study, we propose an alternative method to utilise the biomass of C. cylindracea to synthesize silver nanoparticles (AgNPs). UV-VIS spectroscopy, FT-IR and X-ray diffraction were used in characterization steps. The results show that optimum conditions such as time, initial concentration of AgNO3 and temperature were found to be 240 min, 0.1 M AgNO3 and 85˚C, respectively. The measured particle size of the synthesized AgNPs were 22 nm. Since AgNPs were encapped by the secondary metabolites of C. cylindracea, the synthesized AgNPs showed stable solubility in aqueous conditions. The experimental data related to synthesis of AgNPs were modelled by using artificial neural network (ANN). Agitation time and rate, temperature, pH, concentration of AgNO3 and extract were chosen as input and absorbance values were chosen as output. ANN modelling study exhibited that Bayesian regularization backpropagation, scaled conjugate gradient backpropagation and Levenberg-Marquardt backpropagation algorithms better modelled the experimental data compared to studied 11 backpropagation algorithms. In conclusion, biomass of invasive seaweeds can be used to synthesize AgNPs for commercial use and this will bring a new perspective to utilisation of the biomass of invasive seaweeds. A possible economical value may create a stress on the spread of these alien species in the Mediterranean Sea.

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11

Morri, Carla, Monica Montefalcone, Giulia Gatti, Paolo Vassallo, Chiara Paoli, and Carlo Nike Bianchi. "An Alien Invader is the Cause of Homogenization in the Recipient Ecosystem: A Simulation-Like Approach." Diversity 11, no. 9 (August 26, 2019): 146. http://dx.doi.org/10.3390/d11090146.

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Biotic homogenization is an expected effect of biological invasions. Invasive alien species typically show great adaptability to a wide range of environmental conditions and may expand into different habitats, thus reducing the dissimilarity among the recipient communities. We tested this assumption by analyzing a comprehensive database (78 species × 229 samples) collected between 2012 and 2017 in the marine protected area of Portofino (NW Italy), where Caulerpa cylindracea, one of the worst invaders in the Mediterranean Sea, exhibits high substratum cover at depths between 1 m and 45 m in 14 different communities (identified according to the European Nature Information System EUNIS for habitat classification). Five samples for each of the eight depth zones (i.e., 5 m, 10 m, 15 m, 20 m, 25 m, 30 m, 35 m, and 40 m) were randomly re-sampled from the comprehensive database to produce a dataset of 67 species × 40 samples. Then, a second dataset of 66 species × 40 samples was simulated by excluding Caulerpa cylindracea. Both re-sampled datasets underwent multivariate analysis. In the presence of C. cylindracea, the overall similarity among samples was higher, thus indicating homogenization of the rocky reef communities of Portofino Marine Protected Area. Continued monitoring activity is needed to understand and assess the pattern and extent of C. cylindracea’s inclusion in the recipient ecosystems.

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12

Moreira Reyes, Alejandro, and María Candelaria Gil Rodríguez. "Variaciones espaciales y temporales de Caulerpa racemosa var. cylindracea (Chlorophycota) en Los Cristianos e Igueste de San Andrés, Tenerife, islas Canarias." Vieraea Folia scientiarum biologicarum canariensium 36, Vieraea 36 (2008): 91–102. http://dx.doi.org/10.31939/vieraea.2008.36.06.

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En el presente trabajo se exponen los resultados, obtenidos en el periodo de octubre de 2003 a junio de 2004, del seguimiento realizado en las poblaciones de la Chlorophycota Caulerpa racemosa var. cylindracea, con el fin de conocer las variaciones espaciales y temporales, en las localidades de Los Cristianos e Igueste de San Andrés (Tenerife).

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13

Peñas de Giles, Julio, Jesús Del Río Sánchez, Luis Sánchez Tocino, and Antonio De la Linde Rubio. "Primera cita de la especie invasora Caulerpa cylindracea Sonder en las islas Chafarinas (África del Norte)." Acta Botanica Malacitana 45 (May 13, 2020): 157–59. http://dx.doi.org/10.24310/abm.v45i.6781.

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Las Islas Chafarinas constituyen una importante área de biodiversidad en el Mar de Alborán (Mediterráneo occidental) que se encuentra bajo protección. Presentamos un nuevo registro de presencia de Caulerpa cylindracea para las islas, un taxón invasor agresivo y de rápida expansión introducido en el mar Mediterráneo hace unos años. Alertamos sobre una posible invasión en esta importante reserva marina.

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14

Altamirano, María, Nikos Andreakis, Virginia Souza-Egipsy, Marianela Zanolla, and Julio De la Rosa. "First record of Caulerpa cylindracea (Caulerpaceae, Chlorophyta) in Andalusia (Southern Spain)." Anales del Jardín Botánico de Madrid 71, no. 2 (December 30, 2014): e007. http://dx.doi.org/10.3989/ajbm.2381.

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15

Darmawan, Muhamad, Neviaty Putri Zamani, Hari Eko Irianto, and Hawis H. Madduppa. "Molecular characterization of Caulerpa racemosa (Caulerpales, Chlorophyta) from Indonesia based on the Plastid tufA Gene." Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology 16, no. 1 (December 13, 2021): 1–9. http://dx.doi.org/10.15578/squalen.588.

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The green seaweed Caulerpa racemosa is a seaweed of high prospect that is being given emphasis by the Indonesian government. However, C. racemosa in Indonesia may include multiple species level-entity exhibiting morphological overlap and require molecular analysis for species identification. Molecular documentation of species richness of indigenous populations of C. racemosa is essential to underpin cultivar development and conservation of the species to avoid overharvesting. The present study aimed to determine the genetic diversity of C. racemosa and document the haplotype network of the specimens from four different locations (Bintan Island, Jepara, Takalar and Osi Island) using the chloroplast tufA gene. Twenty individuals from four areas were collected and amplified with the chloroplast-encoded gene tufA for species identification against publicly available data. The identification of C. racemosa based on the tufA gene showed that the species found in four locations were C. cylindracea (previously C. racemosa var. cylindracea), C. macra (previously C. racemosa var. macra), C. racemosa, and C. oligophylla (previously C. racemosa var. lamourouxii). This study records the existence of C. cylindracea in Takalar and Jepara, Indonesia for the first time. The most diverse C. racemosa species was in Osi Island, where the exploitation of this seaweed is very low. In contrast, the lowest number of C. racemosa varieties were found in Takalar, where exploitation is very high. There were only minor light variations of Caulerpa species in the tufA gene in four different sites with only four haplotypes found, and each haplotype corresponded to another species.

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16

Wirawan, I. Gede Putu, Ni Kadek Emi Sintha Dewi, Maria Malida Vernandes Sasadara, I. Gde Nengah Adhilaksman Sunyamurthi, I. Made Jawi, I. Nyoman Wijaya, Ida Ayu Putri Darmawati, I. Ketut Suada, and Anak Agung Keswari Krisnandika. "Phytochemical Analysis and Molecular Identification of Green Macroalgae Caulerpa spp. from Bali, Indonesia." Molecules 27, no. 15 (July 30, 2022): 4879. http://dx.doi.org/10.3390/molecules27154879.

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The studies of the Bulung Boni and Bulung Anggur (Caulerpa spp.) species and secondary metabolites are still very limited. Proper identification will support various aspects, such as cultivation, utilization, and economic interests. Moreover, understanding the secondary metabolites will assist in developing algae-based products. This study aimed to identify these indigenous Caulerpa algae and analyze their bioactive components. The tufA sequence was employed as a molecular marker in DNA barcoding, and its bioactive components were identified using the GC-MS method. The phylogenetic tree was generated in MEGA 11 using the maximum likelihood method, and the robustness of the tree was evaluated using bootstrapping with 1000 replicates. This study revealed that Bulung Boni is strongly connected to Caulerpa cylindracea. However, Bulung Anggur shows no close relationship to other Caulerpa species. GC-MS analysis of ethanolic extracts of Bulung Boni and Bulung Anggur showed the presence of 11 and 13 compounds, respectively. The majority of the compounds found in these algae have been shown to possess biological properties, such as antioxidant, antibacterial, anticancer, anti-inflammation, and antidiabetic. Further study is necessary to compare the data obtained using different molecular markers in DNA barcoding, and to elucidate other undisclosed compounds in these Caulerpa algae.

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17

Ravaglioli, C., Lisandro Benedetti-Cecchi, Iacopo Bertocci, Elena Maggi, M. Uyà, and Fabio Bulleri. "The role of environmental conditions in regulating long-term dynamics of an invasive seaweed." Biological Invasions 24, no. 4 (January 28, 2022): 1175–87. http://dx.doi.org/10.1007/s10530-021-02680-8.

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AbstractThe mechanisms underpinning long-term dynamics and viability of invader populations in the receiving environment remain largely unknown. We tested the hypothesis that temporal variations in the abundance of a well-established invasive seaweed, Caulerpa cylindracea, in the NW Mediterranean, could be regulated by inter-annual fluctuations in environmental conditions. Abundance data of C. cylindracea, sampled repeatedly between 2005 and 2020 at the peak of its growing season (late summer/early fall), were related to interannual variations in seasonal seawater temperature, wind speed and rainfall recorded during different growth phases of the alga, in both subtidal and intertidal habitats. In both habitats, higher peak of C. cylindracea cover was associated with lower seawater temperature in spring and summer, when the seaweed exits the winter resting phase and starts a period of active growth. In addition, the peak abundance of subtidal C. cylindracea was positively associated with higher autumn wind speed intensity and spring daily total precipitation. Our study reveals the importance of seasonal and interannual variation of abiotic factors in shaping temporal patterns of abundance of C. cylindracea, in both subtidal and intertidal habitats. Identifying the factors underpinning invasive population temporal dynamics and viability is essential to predict the time and conditions under which an invader can thrive, and thus guide management strategies aimed to containing invasions under current and future climates.

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18

Mannino, Anna Maria, and Paolo Balistreri. "Effects of Caulerpa cylindracea Sonder (Chlorophyta Caulerpaceae) on marine biodiversity." Biodiversity Journal 10, no. 4 (December 20, 2019): 383–88. http://dx.doi.org/10.31396/biodiv.jour.2019.10.4.383.388.

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19

KATSANEVAKIS, S., and K. TSIAMIS. "Records of alien marine species in the shallow coastal waters of Chios Island (2009)." Mediterranean Marine Science 10, no. 2 (December 2, 2009): 99. http://dx.doi.org/10.12681/mms.112.

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The shallow coastline of Chios Island was surveyed for the presence of any alien marine benthic species, during August 2009. Fourteen randomly selected sites were surveyed by snorkeling during standardized one-hour transects at depths between 0 and 10 m, and the presence of all identified alien benthic species was recorded. Six alien species were identified: Asparagopsis taxiformis, Caulerpa racemosa var. cylindracea, Stypopodium schimperi, Halophila stipulacea, Percnon gibbesi, and Siganus luridus. The green alga C. racemosa var. cylindracea was found in high densities in all the surveyed sites and was characterized as invasive in the island. The brown alga S. schimperi, the crab P. gibbesi, and the fish S. luridussustain established populations in the area. For three of the recorded marine alien species (S. schimperi, P. gibbesi, and S. luridus),Chios Island seems to be the northernmost margin of their geographical range in the Aegean Sea.

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20

Piazzi, Luigi, David Balata, Luca Foresi, Cristina Cristaudo, and Francesco Cinelli. "Sediment as a constituent of Mediterranean benthic communities dominated by Caulerpa racemosa var. cylindracea." Scientia Marina 71, no. 1 (March 30, 2007): 129–35. http://dx.doi.org/10.3989/scimar.2007.71n1129.

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21

CAVAS, L., S. CENGIZ, and Z. ABIDIN KARABAY. "Seasonal rubisco enzyme activities and caulerpenyne levels in invasive Caulerpa racemosa var. cylindracea and native Caulerpa prolifera." Mediterranean Marine Science 13, no. 1 (April 11, 2012): 126. http://dx.doi.org/10.12681/mms.29.

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Caulerpa racemosa var.cylindracea (C.racemosa) is an invasive marine seaweed in the Mediterranean Sea. Since no valid eradication method has been existed in the scientific literature on this species, it has currently been continuing its invasion along the coastlines of 13 Mediterranean countries. One of the important factors responsible for its invasion is thought as its toxic secondary metabolite, caulerpenyne (CYN). The present paper investigates seasonal changes in the secondary metabolite CYN, and rubisco enzyme (EC 4.1.1.39) activities of the invasive C. racemosa and native C. prolifera. Inasmuch as no correlation between CYN level and rubisco enzymic activity was observed in these species, it is considered that the regulation of CYN synthesis caulerpenyne and rubisco enzymic activity might be controlled independently. In conclusion, the further analysis on the rubisco enzymic activity determinations with MEP and mevalonate pathway which are considered responsible for CYN bio-synthesis should be studied in great detail in invasive and native Caulerpa species in the Mediterranean Sea to get the overall picture.

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22

Bulleri, Fabio, and Francesco Malquori. "High tolerance to simulated herbivory in the clonal seaweed, Caulerpa cylindracea." Marine Environmental Research 107 (June 2015): 61–65. http://dx.doi.org/10.1016/j.marenvres.2015.04.004.

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23

Sangil, Carlos, and Alejandro Pérez-San Juan. "Spread of Caulerpa cylindracea impacts: The colonization of Atlantic intertidal communities." Regional Studies in Marine Science 34 (February 2020): 100989. http://dx.doi.org/10.1016/j.rsma.2019.100989.

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24

Bursali, Elif Ant, Levent Cavas, Yoldas Seki, Serap Seyhan Bozkurt, and Muruvvet Yurdakoc. "Sorption of boron by invasive marine seaweed: Caulerpa racemosa var. cylindracea." Chemical Engineering Journal 150, no. 2-3 (August 1, 2009): 385–90. http://dx.doi.org/10.1016/j.cej.2009.01.016.

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25

Montefalcone, Monica, Carla Morri, Valeriano Parravicini, and Carlo Nike Bianchi. "A tale of two invaders: divergent spreading kinetics of the alien green algae Caulerpa taxifolia and Caulerpa cylindracea." Biological Invasions 17, no. 9 (May 26, 2015): 2717–28. http://dx.doi.org/10.1007/s10530-015-0908-1.

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26

Caronni, Sarah, Filippa Addis, Maria Anna Delaria, Rodolfo Gentili, Chiara Montagnani, Augusto Navone, Pieraugusto Panzalis, and Sandra Citterio. "Comparative evaluation of multiple protein extraction procedures from three species of the genus Caulerpa." Journal of Applied Phycology 33, no. 4 (May 10, 2021): 2485–96. http://dx.doi.org/10.1007/s10811-021-02479-z.

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AbstractThe aim of this study was to define the simplest and least expensive protocol for total protein extraction for three different macroalgae of the genus Caulerpa (the invasive C. taxifolia and C. cylindracea and the autochthonous C. prolifera). Five multi-step protein extraction procedures, set up for other macroalgal species, were tested. For each of them, different pre-treatment and extraction conditions were simultaneously examined, according to a factorial design, considering the starting material, the solvent-to-biomass ratio, and the incubation temperature. Protein yield in the obtained extracts was estimated with the Bradford method. Further, polyacrylamide gel electrophoresis (SDS-PAGE) was used to resolve proteins, assessing their quality and integrity. Significant differences in protein yield were observed among the extraction protocols and the conditions tested, also in relation to the considered species. Profiles having an acceptable quality were obtained for C. prolifera and C. cylindracea, and from the obtained results, the best method to obtain high yield and quality protein extracts for the two above-mentioned species appears to require the use of a primary TCA/acetone extraction buffer followed by a lysis buffer with NaCl, KCl, urea, Triton, SDS and a protease inhibitor. The best results, in particular, were obtained starting from fresh pulped material with a buffer-to-biomass ratio of 10:1 and an incubation temperature of 4°C. For C. taxifolia, instead, none of the tested protocols produced satisfactory results and further studies will be required.

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Alomar, Carme, Salud Deudero, Franco Andaloro, Luca Castriota, Pierpaolo Consoli, Manuela Falautano, and Mauro Sinopoli. "Caulerpa cylindracea Sonder invasion modifies trophic niche in infralittoral rocky benthic community." Marine Environmental Research 120 (September 2016): 86–92. http://dx.doi.org/10.1016/j.marenvres.2016.07.010.

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Cengiz, Sevilay, and Levent Cavas. "Removal of methylene blue by invasive marine seaweed: Caulerpa racemosa var. cylindracea." Bioresource Technology 99, no. 7 (May 2008): 2357–63. http://dx.doi.org/10.1016/j.biortech.2007.05.011.

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Rizzo, Lucia, Simonetta Fraschetti, Pietro Alifano, Maurizio Salvatore Tredici, and Loredana Stabili. "Association of Vibrio community with the Atlantic Mediterranean invasive alga Caulerpa cylindracea." Journal of Experimental Marine Biology and Ecology 475 (February 2016): 129–36. http://dx.doi.org/10.1016/j.jembe.2015.11.013.

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NICOLAIDOU, A., G. ALONGI, O. AYDOGAN, M. CATRA, L. CAVAS, C. CEVIK, A. DOSI, et al. "New Mediterranean Biodiversity Records (June 2012)." Mediterranean Marine Science 13, no. 1 (June 6, 2012): 162. http://dx.doi.org/10.12681/mms.33.

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The present work reports on the extended distribution of nineteen species in the Mediterranean. These are: Upeneus pori(Fish:Turkey), Bursatella leachii (Mollusca, Opisthobranchia: eastern coast of Spain), Sparisoma cretense (Fish: Ionian coastof Greece), Pseudobryopsis myura (Chlorophyta: Turkey), Aplysia dactylomela (Mollusca, Opisthobranchia: Karpathos island,and Kyklades Archipelago, Greece), Asparagopsis armata and Botryocladia madagascariensis (Rhodophyta: South Peloponnesos,Greece), Oxynotus centrina (Fish: Greece), Caulerpa racemosa var. cylindracea (Chlorophyta ), Stypopodium schimperi(Phaeophyta ) Siganus luridus and Stephanolepis diaspros (Fish) Percnon gibbesi (Decapoda, Brachyura) (Kyklades Archipelago,Greece), Cerithium scabridum (Mollusca, Prosobranchia: Anavissos: Greece) and Cerithium renovatum (Mollusca, Prosobranchia:N. Κriti), Cassiopea andromeda (Scyphomedusa: Rhodos Island, Greece), Abra tenuis (Mollusca Bivalvia: VouliagmeniLake, Greece) Lagocephalus lagocephalus (Fish: Calabrian coast, Italy) and Plocamopherus ocellatus (Mollusca, Opisthobranchia:İskenderun Bay, Turkey).

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Erol, Ebru, Muge Didem Orhan, Timucin Avsar, Atilla Akdemir, Emine Sukran Okudan, Gulbahar Ozge Alim Toraman, and Gulacti Topcu. "Anti-SARS-CoV-2 and cytotoxic activity of two marine alkaloids from green alga Caulerpa cylindracea Sonder in the Dardanelles." RSC Advances 12, no. 46 (2022): 29983–90. http://dx.doi.org/10.1039/d2ra03358e.

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Isolated compounds 1 and 2 from Caulerpa cyclindracea inhibit the SARS-CoV-2 spike protein. Modelling studies suggest that the compounds may interfere with the spike-ACE2 interaction directly and also via an interaction with a spike allosteric site.

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Gennaro, P., and L. Piazzi. "Synergism between two anthropic impacts: Caulerpa racemosa var. cylindracea invasion and seawater nutrient enrichment." Marine Ecology Progress Series 427 (April 12, 2011): 59–70. http://dx.doi.org/10.3354/meps09053.

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Žuljević, Ante, Boris Antolić, Vedran Nikolić, Marija Despalatović, and Ivan Cvitković. "Absence of successful sexual reproduction of Caulerpa racemosa var. cylindracea in the Adriatic Sea." Phycologia 51, no. 3 (May 2012): 283–86. http://dx.doi.org/10.2216/11-22.1.

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Bekçi, Zehra, Yoldaş Seki, and Levent Cavas. "Removal of malachite green by using an invasive marine alga Caulerpa racemosa var. cylindracea." Journal of Hazardous Materials 161, no. 2-3 (January 2009): 1454–60. http://dx.doi.org/10.1016/j.jhazmat.2008.04.125.

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Cantasano, Nicola, Gaetano Pellicone, and Vincenzo Di Martino. "The spread of Caulerpa cylindracea in Calabria (Italy) and the effects of shipping activities." Ocean & Coastal Management 144 (July 2017): 51–58. http://dx.doi.org/10.1016/j.ocecoaman.2017.04.014.

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Bernardeau-Esteller, Jaime, Lázaro Marín-Guirao, Jose Miguel Sandoval-Gil, Rocío García-Muñoz, Aranzazu Ramos-Segura, and Juan Manuel Ruiz. "Evidence for the long-term resistance of Posidonia oceanica meadows to Caulerpa cylindracea invasion." Aquatic Botany 160 (January 2020): 103167. http://dx.doi.org/10.1016/j.aquabot.2019.103167.

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Gennaro, Paola, and Luigi Piazzi. "The indirect role of nutrients in enhancing the invasion of Caulerpa racemosa var cylindracea." Biological Invasions 16, no. 8 (December 5, 2013): 1709–17. http://dx.doi.org/10.1007/s10530-013-0620-y.

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38

Dini, Iwan, Nunuk Hariani Soekamto, Firdaus Firdaus, Unang Supratman, and Jalifah Latip. "Alkaloid Caulerpin and Cytotoxic Activity against NCL-H460 Lung Cancer Cells Isolated along with β-sitosterol from the Halimeda cylindracea Decaisne." Sains Malaysiana 50, no. 9 (September 30, 2021): 2663–74. http://dx.doi.org/10.17576/jsm-2021-5009-14.

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Alkaloid caulerpin (1), along with β-sitosterol (2), were isolated from the n-hexane extract of the macroalga Halimeda cylindracea Decaisne. The chemical structure was identified by a spectroscopic method including IR, MS, UV, NMR 1D, NMR 2D, and comparison with data of spectra previously reported. Compounds (1) and (2) were isolated for the first time from this macroalga. Compund (1) were evaluated for their cytotoxicity activity against NCL-H460 lung cancer cells in vitro and showed moderate activity with IC50 value of 20.05 µg/mL.

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39

Gil Rodríguez, María Candelaria, Marcelino del Arco, Wolfredo Wildpret de la Torre, Carlos L. Hernández González, and Ricardo J. Haroun. "Biological information and comments on Halophila decipiens meadows of the Canary Islands (Hydrocharitaceae, Magnoliophyta)." Vieraea Folia scientiarum biologicarum canariensium 35, Vieraea 35 (2007): 77–85. http://dx.doi.org/10.31939/vieraea.2007.35.08.

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Halophila Thouarsis a pantropical genus of small size seagrasses. Halophila decipiens Ostenfeld forms deep-water seagrass beds extending from 15-40 m in the Canarian coasts which constitute the association Halophiletum decipientis Wildpret & M.C. Gil. H. decipiens is a protected species that was considered as a plant of “special interest” by the Canary Islands Endangered Species Catalogue, BOC 2001/ 097, and Halophiletum decipientis was considered by the European Commission, DG Environment, 1999, “Habitat of Community Interest” (No 111022). It shares habitat with Cymodocea nodosa (Ucria) Ascherson, also considered under protection, as “sensitive to habitat disturbance”, BOC 2001 / 097, and the community Cymodocetum nodosae is also “Habitat of Communitarian interest” (No 111021). In this paper the evolution of Halophiletum decipientis in recent years is shown, and the possible threat of the habitat because of the intromission Caulerpa racemosa var. cylindracea (Sonder) Verlaque, Huisman et Boudouresque, an invasive Australian chlorophyte, is considered.

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Sauvage, Thomas, Claude Payri, Stefano G. A. Draisma, Willem F. Prud'homme van Reine, Heroen Verbruggen, Gareth S. Belton, C. Frederico D. Gurgel, Daniela Gabriel, Alison R. Sherwood, and Suzanne Fredericq. "Molecular diversity of the Caulerpa racemosa–Caulerpa peltata complex (Caulerpaceae, Bryopsidales) in New Caledonia, with new Australasian records for C. racemosa var. cylindracea." Phycologia 52, no. 1 (January 2013): 6–13. http://dx.doi.org/10.2216/11-116.1.

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De Pascali, Sandra, Laura Del Coco, Serena Felline, Ernesto Mollo, Antonio Terlizzi, and Francesco Fanizzi. "1H NMR Spectroscopy and MVA Analysis of Diplodus sargus Eating the Exotic Pest Caulerpa cylindracea." Marine Drugs 13, no. 6 (June 5, 2015): 3550–66. http://dx.doi.org/10.3390/md13063550.

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42

Kurt, O., F. Ozdal-Kurt, I. Tuglu, S. I. Deliloglu-Gurhan, and M. Ozturk. "Neurotoxic effect of Caulerpa racemosa var. cylindracea by neurite inhibition on the neuroblastoma cell line." Russian Journal of Marine Biology 35, no. 4 (July 2009): 342–50. http://dx.doi.org/10.1134/s1063074009040105.

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43

Cavas, Levent, Yasemin Baskin, Kadir Yurdakoc, and Nur Olgun. "Antiproliferative and newly attributed apoptotic activities from an invasive marine alga: Caulerpa racemosa var. cylindracea." Journal of Experimental Marine Biology and Ecology 339, no. 1 (November 2006): 111–19. http://dx.doi.org/10.1016/j.jembe.2006.07.019.

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44

Pierucci, Andrea, Gina De La Fuente, Rita Cannas, and Mariachiara Chiantore. "A new record of the invasive seaweed Caulerpa cylindracea Sonder in the South Adriatic Sea." Heliyon 5, no. 9 (September 2019): e02449. http://dx.doi.org/10.1016/j.heliyon.2019.e02449.

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45

SGHAIER, Y. R., R. ZAKHAMA-SRAIEB, S. MOUELHI, M. VAZQUEZ, C. VALLE, A. A. RAMOS-ESPLA, J. M. ASTIER, M. VERLAQUE, and F. CHARFI-CHEIKHROUHA. "Review of alien marine macrophytes in Tunisia." Mediterranean Marine Science 17, no. 1 (January 20, 2015): 109. http://dx.doi.org/10.12681/mms.1366.

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In the present study, the list of alien marine macrophytes introduced into Tunisia was updated in the light of available data and new observations. A total of 27 alien marine macrophytes have been recorded so far from Tunisia: 18 Rhodophyta, 3 Ochrophyta, 5 Chlorophyta and 1 Magnoliophyta. For each species, the locality (-ies), the year (or) period and the source of the first observation in Tunisia are given. The distribution and the status (casual, cryptogenic, established or questionable) of species in Tunisia were evaluated and, where appropriate, discussed. Among them, Hypnea cornuta is reported for the first time from Tunisia. Fourteen alien marine macrophytes are established, whereas seven cryptogenic and two casual species require further investigation. Eleven species are considered as invasive or potentially invasive in the Mediterranean Sea: Acrothamnion preissii, Asparagopsis armata, A. taxiformis Indo-Pacific lineage, Hypnea cornuta, Lophocladia lallemandii, Womersleyella setacea, Caulerpa chemnitzia, C. cylindracea, C. taxifolia, Codium fragile subsp. fragile and Halophila stipulacea. Finally, the case of four questionable species is also discussed.

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Ruiz, Juan M., Jaime Bernardeau-Esteller, Lázaro Marín-Guirao, and Jos M. Sandoval-Gil. "Photosynthesis and daily metabolic carbon balance of the invasive Caulerpa racemosa var. cylindracea (Chlorophyta: Caulerpales) along a depth gradient." Scientia Marina 75, no. 4 (July 15, 2011): 803–10. http://dx.doi.org/10.3989/scimar.2011.75n4803.

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47

Bulleri, Fabio, Fabio Badalamenti, Ljiljana Iveša, Barbara Mikac, Luigi Musco, Andrej Jaklin, Alex Rattray, Tomás Vega Fernández, and Lisandro Benedetti-Cecchi. "The effects of an invasive seaweed on native communities vary along a gradient of land-based human impacts." PeerJ 4 (March 21, 2016): e1795. http://dx.doi.org/10.7717/peerj.1795.

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The difficulty in teasing apart the effects of biological invasions from those of other anthropogenic perturbations has hampered our understanding of the mechanisms underpinning the global biodiversity crisis. The recent elaboration of global-scale maps of cumulative human impacts provides a unique opportunity to assess how the impact of invaders varies among areas exposed to different anthropogenic activities. A recent meta-analysis has shown that the effects of invasive seaweeds on native biota tend to be more negative in relatively pristine than in human-impacted environments. Here, we tested this hypothesis through the experimental removal of the invasive green seaweed,Caulerpa cylindracea, from rocky reefs across the Mediterranean Sea. More specifically, we assessed which out of land-based and sea-based cumulative impact scores was a better predictor of the direction and magnitude of the effects of this seaweed on extant and recovering native assemblages. Approximately 15 months after the start of the experiment, the removal ofC. cylindraceafrom extant assemblages enhanced the cover of canopy-forming macroalgae at relatively pristine sites. This did not, however, result in major changes in total cover or species richness of native assemblages. PreventingC. cylindraceare-invasion of cleared plots at pristine sites promoted the recovery of canopy-forming and encrusting macroalgae and hampered that of algal turfs, ultimately resulting in increased species richness. These effects weakened progressively with increasing levels of land-based human impacts and, indeed, shifted in sign at the upper end of the gradient investigated. Thus, at sites exposed to intense disturbance from land-based human activities, the removal ofC. cylindraceafostered the cover of algal turfs and decreased that of encrusting algae, with no net effect on species richness. Our results suggests that competition fromC. cylindraceais an important determinant of benthic assemblage diversity in pristine environments, but less so in species-poor assemblages found at sites exposed to intense disturbance from land-based human activities, where either adverse physical factors or lack of propagules may constrain the number of potential native colonizers. Implementing measures to reduce the establishment and spread ofC. cylindraceain areas little impacted by land-based human activities should be considered a priority for preserving the biodiversity of Mediterranean shallow rocky reefs.

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Pandya, KrishnaY, RinkuV Patel, RakeshT Jasrai, and Nayana Brahmbhatt. "OPTIMIZATION OF Cr AND Cu BIOSORPTION BY GREEN MARINE ALGAE Caulerpa racemosaVar. Cylindracea & Ulva lactuca." International Journal of Advanced Research 5, no. 8 (August 31, 2017): 923–39. http://dx.doi.org/10.21474/ijar01/5138.

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Ünlü, Ercan Selçuk, Ömer Can Ünüvar, and Meryem Aydın. "Identification of alternative oxidase encoding genes in Caulerpa cylindracea by de novo RNA-Seq assembly analysis." Marine Genomics 46 (August 2019): 41–48. http://dx.doi.org/10.1016/j.margen.2019.03.004.

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Piazzi, Luigi, and Giulia Ceccherelli. "Persistence of biological invasion effects: Recovery of macroalgal assemblages after removal of Caulerpa racemosa var. cylindracea." Estuarine, Coastal and Shelf Science 68, no. 3-4 (July 2006): 455–61. http://dx.doi.org/10.1016/j.ecss.2006.02.011.

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