Log in

Relevant bibliographies by topics / Marine photosynthetic organisms / Journal articles

To see the other types of publications on this topic, follow the link: Marine photosynthetic organisms.

Journal articles on the topic 'Marine photosynthetic organisms'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Marine photosynthetic organisms.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Kumar, Amit, Immacolata Castellano, Francesco Paolo Patti, Anna Palumbo, and Maria Cristina Buia. "Nitric oxide in marine photosynthetic organisms." Nitric Oxide 47 (May 2015): 34–39. http://dx.doi.org/10.1016/j.niox.2015.03.001.

Full text

APA, Harvard, Vancouver, ISO, and other styles

2

Singh, Dipali, Ross Carlson, David Fell, and Mark Poolman. "Modelling metabolism of the diatom Phaeodactylum tricornutum." Biochemical Society Transactions 43, no. 6 (2015): 1182–86. http://dx.doi.org/10.1042/bst20150152.

Full text

Abstract:

Marine diatoms have potential as a biotechnological production platform, especially for lipid-derived products, including biofuels. Here we introduce some features of diatom metabolism, particularly with respect to photosynthesis, photorespiration and lipid synthesis and their differences relative to other photosynthetic eukaryotes. Since structural metabolic modelling of other photosynthetic organisms has been shown to be capable of representing their metabolic capabilities realistically, we briefly review the main approaches to this type of modelling. We then propose that genome-scale modell

APA, Harvard, Vancouver, ISO, and other styles

3

Avila-Alonso, Dailé, Jan M. Baetens, Rolando Cardenas, and Bernard De Baets. "Assessing the effects of ultraviolet radiation on the photosynthetic potential in Archean marine environments." International Journal of Astrobiology 16, no. 3 (2016): 271–79. http://dx.doi.org/10.1017/s147355041600032x.

Full text

Abstract:

AbstractIn this work, the photosynthesis model presented by Avilaet al. in 2013 is extended and more scenarios inhabited by ancient cyanobacteria are investigated to quantify the effects of ultraviolet (UV) radiation on their photosynthetic potential in marine environments of the Archean eon. We consider ferrous ions as blockers of UV during the Early Archean, while the absorption spectrum of chlorophyllais used to quantify the fraction of photosynthetically active radiation absorbed by photosynthetic organisms. UV could have induced photoinhibition at the water surface, thereby strongly affec

APA, Harvard, Vancouver, ISO, and other styles

4

Coelho, Susana M., Nathalie Simon, Sophia Ahmed, J. Mark Cock, and Frédéric Partensky. "Ecological and evolutionary genomics of marine photosynthetic organisms." Molecular Ecology 22, no. 3 (2012): 867–907. http://dx.doi.org/10.1111/mec.12000.

Full text

APA, Harvard, Vancouver, ISO, and other styles

5

Giomi, Folco, Alberto Barausse, Carlos M. Duarte, et al. "Oxygen supersaturation protects coastal marine fauna from ocean warming." Science Advances 5, no. 9 (2019): eaax1814. http://dx.doi.org/10.1126/sciadv.aax1814.

Full text

Abstract:

Ocean warming affects the life history and fitness of marine organisms by, among others, increasing animal metabolism and reducing oxygen availability. In coastal habitats, animals live in close association with photosynthetic organisms whose oxygen supply supports metabolic demands and may compensate for acute warming. Using a unique high-frequency monitoring dataset, we show that oxygen supersaturation resulting from photosynthesis closely parallels sea temperature rise during diel cycles in Red Sea coastal habitats. We experimentally demonstrate that oxygen supersaturation extends the survi

APA, Harvard, Vancouver, ISO, and other styles

6

Folmer, F., M. Jaspars, M. Dicato, and M. Diederich. "Photosynthetic marine organisms as a source of anticancer compounds." Phytochemistry Reviews 9, no. 4 (2010): 557–79. http://dx.doi.org/10.1007/s11101-010-9200-2.

Full text

APA, Harvard, Vancouver, ISO, and other styles

7

Birringer, Marc, Karsten Siems, Alexander Maxones, Jan Frank, and Stefan Lorkowski. "Natural 6-hydroxy-chromanols and -chromenols: structural diversity, biosynthetic pathways and health implications." RSC Advances 8, no. 9 (2018): 4803–41. http://dx.doi.org/10.1039/c7ra11819h.

Full text

Abstract:

We present the first comprehensive and systematic review on the structurally diverse toco-chromanols and -chromenols found in photosynthetic organisms, including marine organisms, and as metabolic intermediates in animals.

APA, Harvard, Vancouver, ISO, and other styles

8

Lefranc, Florence, Aikaterini Koutsaviti, Efstathia Ioannou, et al. "Algae metabolites: fromin vitrogrowth inhibitory effects to promising anticancer activity." Natural Product Reports 36, no. 5 (2019): 810–41. http://dx.doi.org/10.1039/c8np00057c.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Pereira, Leonel. "Macroalgae." Encyclopedia 1, no. 1 (2021): 177–88. http://dx.doi.org/10.3390/encyclopedia1010017.

Full text

Abstract:

What are algae? Algae are organisms that perform photosynthesis; that is, they absorb carbon dioxide and release oxygen (therefore they have chlorophyll, a group of green pigments used by photosynthetic organisms that convert sunlight into energy via photosynthesis) and live in water or in humid places. Algae have great variability and are divided into microalgae, small in size and only visible through a microscope, and macroalgae, which are larger in size, up to more than 50 m (the maximum recorded was 65 m), and have a greater diversity in the oceans. Thus, the term “algae” is commonly used

APA, Harvard, Vancouver, ISO, and other styles

10

Raven, John A., and John Beardall. "Energizing the plasmalemma of marine photosynthetic organisms: the role of primary active transport." Journal of the Marine Biological Association of the United Kingdom 100, no. 3 (2020): 333–46. http://dx.doi.org/10.1017/s0025315420000211.

Full text

Abstract:

AbstractGeneration of ion electrochemical potential differences by primary active transport can involve energy inputs from light, from exergonic redox reactions and from exergonic ATP hydrolysis. These electrochemical potential differences are important for homoeostasis, for signalling, and for energizing nutrient influx. The three main ions involved are H+, Na+ (efflux) and Cl− (influx). In prokaryotes, fluxes of all three of these ions are energized by ion-pumping rhodopsins, with one archaeal rhodopsin pumping H+into the cells; among eukaryotes there is also an H+ influx rhodopsin in Acetab

APA, Harvard, Vancouver, ISO, and other styles

11

Genç, Yasin, Hilal Bardakci, Çiğdem Yücel, et al. "Oxidative Stress and Marine Carotenoids: Application by Using Nanoformulations." Marine Drugs 18, no. 8 (2020): 423. http://dx.doi.org/10.3390/md18080423.

Full text

Abstract:

Carotenoids are natural fat-soluble pigments synthesized by plants, algae, fungi and microorganisms. They are responsible for the coloration of different photosynthetic organisms. Although they play a role in photosynthesis, they are also present in non-photosynthetic plant tissues, fungi, and bacteria. These metabolites have mainly been used in food, cosmetics, and the pharmaceutical industry. In addition to their utilization as pigmentation, they have significant therapeutically applications, such as improving immune system and preventing neurodegenerative diseases. Primarily, they have attr

APA, Harvard, Vancouver, ISO, and other styles

12

Schorsch, Michael, Manuela Kramer, Tatjana Goss, et al. "A unique ferredoxin acts as a player in the low-iron response of photosynthetic organisms." Proceedings of the National Academy of Sciences 115, no. 51 (2018): E12111—E12120. http://dx.doi.org/10.1073/pnas.1810379115.

Full text

Abstract:

Iron chronically limits aquatic photosynthesis, especially in marine environments, and the correct perception and maintenance of iron homeostasis in photosynthetic bacteria, including cyanobacteria, is therefore of global significance. Multiple adaptive mechanisms, responsive promoters, and posttranscriptional regulators have been identified, which allow cyanobacteria to respond to changing iron concentrations. However, many factors remain unclear, in particular, how iron status is perceived within the cell. Here we describe a cyanobacterial ferredoxin (Fed2), with a unique C-terminal extensio

APA, Harvard, Vancouver, ISO, and other styles

13

Rasmusson, Lina M., Aekkaraj Nualla-ong, Tarawit Wutiruk, Mats Björk, Martin Gullström, and Pimchanok Buapet. "Sensitivity of Photosynthesis to Warming in Two Similar Species of the Aquatic Angiosperm Ruppia from Tropical and Temperate Habitats." Sustainability 13, no. 16 (2021): 9433. http://dx.doi.org/10.3390/su13169433.

Full text

Abstract:

Climate change-related events, such as marine heatwaves, are increasing seawater temperatures, thereby putting pressure on marine biota. The cosmopolitan distribution and significant contribution to marine primary production by the genus Ruppia makes them interesting organisms to study thermal tolerance and local adaptation. In this study, we investigated the photosynthetic responses in Ruppia to the predicted future warming in two contrasting bioregions, temperate Sweden and tropical Thailand. Through DNA barcoding, specimens were determined to Ruppia cirrhosa for Sweden and Ruppia maritima f

APA, Harvard, Vancouver, ISO, and other styles

14

Higuchi-Takeuchi, Mieko, Takaaki Miyamoto, Choon Pin Foong, Mami Goto, Kumiko Morisaki, and Keiji Numata. "Peptide-Mediated Gene Transfer into Marine Purple Photosynthetic Bacteria." International Journal of Molecular Sciences 21, no. 22 (2020): 8625. http://dx.doi.org/10.3390/ijms21228625.

Full text

Abstract:

Use of photosynthetic organisms is one of the sustainable ways to produce high-value products. Marine purple photosynthetic bacteria are one of the research focuses as microbial production hosts. Genetic transformation is indispensable as a biotechnology technique. However, only conjugation has been determined to be an applicable method for the transformation of marine purple photosynthetic bacteria so far. In this study, for the first time, a dual peptide-based transformation method combining cell penetrating peptide (CPP), cationic peptide and Tat-derived peptide (dTat-Sar-EED) (containing D

APA, Harvard, Vancouver, ISO, and other styles

15

Hackenberg, Claudia, Johanna Hakanpää, Fei Cai, et al. "Structural and functional insights into the unique CBS–CP12 fusion protein family in cyanobacteria." Proceedings of the National Academy of Sciences 115, no. 27 (2018): 7141–46. http://dx.doi.org/10.1073/pnas.1806668115.

Full text

Abstract:

Cyanobacteria are important photosynthetic organisms inhabiting a range of dynamic environments. This phylum is distinctive among photosynthetic organisms in containing genes encoding uncharacterized cystathionine β-synthase (CBS)–chloroplast protein (CP12) fusion proteins. These consist of two domains, each recognized as stand-alone photosynthetic regulators with different functions described in cyanobacteria (CP12) and plants (CP12 and CBSX). Here we show that CBS–CP12 fusion proteins are encoded in distinct gene neighborhoods, several unrelated to photosynthesis. Most frequently, CBS–CP12 g

APA, Harvard, Vancouver, ISO, and other styles

16

Gray, Ira, Lindsay A. Green-Gavrielidis, and Carol Thornber. "Effect of caffeine on the growth and photosynthetic efficiency of marine macroalgae." Botanica Marina 64, no. 1 (2021): 13–18. http://dx.doi.org/10.1515/bot-2020-0055.

Full text

Abstract:

Abstract Caffeine is present in coastal environments worldwide and there is a need to assess its impact on marine organisms. Here, we exposed two species of ecologically important marine macroalgae (Chondrus crispus and Codium fragile subsp. fragile) to a suite of caffeine concentrations and measured their response. Caffeine concentrations of 10–100 ng L−1 had no significant effect on the growth rate or photosynthetic efficiency of either algae. Extremely high concentrations (100–200 mg L−1), which may occur acutely, produced sublethal effects for both species and mortality in C. fragile subsp

APA, Harvard, Vancouver, ISO, and other styles

17

Raven, John A., and Ramon D. Wolstencroft. "Constraints on Photosynthesis on Earth and Earth-Like Planets." Symposium - International Astronomical Union 213 (2004): 305–8. http://dx.doi.org/10.1017/s0074180900193453.

Full text

Abstract:

We discuss how the spectral mismatch between solar radiation at the Earth's surface and the two absorption maxima (440 and 680 nm) of the dominant chlorophyll pigments can be explained as an evolutionary accident of the marine habitat in which photosynthesis evolved on Earth. The geometric rigidity and great stability of chlorophyll make it a likely “universal pigment” given this, together with the spectral absorption properties of water, the evolution of photosynthesis on Earth-like planets (ELPs) orbiting in the habitable zones of A, F and G stars should be relatively straightforward. Howeve

APA, Harvard, Vancouver, ISO, and other styles

18

Schneider, Geniane, Félix L. Figueroa, Julia Vega, et al. "Photoprotection properties of marine photosynthetic organisms grown in high ultraviolet exposure areas: Cosmeceutical applications." Algal Research 49 (August 2020): 101956. http://dx.doi.org/10.1016/j.algal.2020.101956.

Full text

APA, Harvard, Vancouver, ISO, and other styles

19

De Luca, Daniele, and Chiara Lauritano. "In Silico Identification of Type III PKS Chalcone and Stilbene Synthase Homologs in Marine Photosynthetic Organisms." Biology 9, no. 5 (2020): 110. http://dx.doi.org/10.3390/biology9050110.

Full text

Abstract:

Marine microalgae are photosynthetic microorganisms at the base of the marine food webs. They are characterized by huge taxonomic and metabolic diversity and several species have been shown to have bioactivities useful for the treatment of human pathologies. However, the compounds and the metabolic pathways responsible for bioactive compound synthesis are often still unknown. In this study, we aimed at analysing the microalgal transcriptomes available in the Marine Microbial Eukaryotic Transcriptome Sequencing Project (MMETSP) database for an in silico search of polyketide synthase type III ho

APA, Harvard, Vancouver, ISO, and other styles

20

Morel, François M. M., Phoebe J. Lam, and Mak A. Saito. "Trace Metal Substitution in Marine Phytoplankton." Annual Review of Earth and Planetary Sciences 48, no. 1 (2020): 491–517. http://dx.doi.org/10.1146/annurev-earth-053018-060108.

Full text

Abstract:

The sinking of organic matter to the deep ocean leaves extremely low concentrations of major and trace nutrients for photosynthetic organisms at the sunlit surface. As a result, marine phytoplankton make use of alternative sources of essential elements and have evolved to substitute some elements by others in various biochemical processes. A particularly intriguing example is that of Zn, which is used in many biochemical functions but is often depleted down to picomolar concentrations in surface seawater. Laboratory data show that many phytoplankton species are able to achieve high growth rate

APA, Harvard, Vancouver, ISO, and other styles

21

Handayani, Tri. "PERANAN EKOLOGI MAKROALGA BAGI EKOSISTEM LAUT." OSEANA 44, no. 1 (2019): 1–14. http://dx.doi.org/10.14203/oseana.2019.vol.44no.1.25.

Full text

Abstract:

ECOLOGICAL ROLE OF MACROALGAE FOR MARINE ECOSYSTEM. Macroalgae is an ecologically and economically important component in marine ecosystem. Ecologically, macroalgae has a role as a primary producer, food for other marine biota, provide shelter, nursery ground and carbon sink. Macroalgae contains photosynthetic pigments to be able to provide their own food and produce carbon dioxide for other marine biota (called primary productivity). Macroalgae is a food source, provide shelter and nursery ground for fish, gastropods (mollusks), crustaceans and sea urchins. Macroalgae also has the ability to

APA, Harvard, Vancouver, ISO, and other styles

22

Gattuso, JP, M. Pichon, and M. Frankignoulle. "Biological control of air-sea CO2 fluxes:effect of photosynthetic and calcifying marine organisms and ecosystems." Marine Ecology Progress Series 129 (1995): 307–12. http://dx.doi.org/10.3354/meps129307.

Full text

APA, Harvard, Vancouver, ISO, and other styles

23

Kram, S. L., N. N. Price, E. M. Donham, et al. "Variable responses of temperate calcified and fleshy macroalgae to elevated pCO2 and warming." ICES Journal of Marine Science 73, no. 3 (2015): 693–703. http://dx.doi.org/10.1093/icesjms/fsv168.

Full text

Abstract:

Abstract Anthropogenic carbon dioxide (CO2) emissions simultaneously increase ocean temperatures and reduce ocean surface pH, a process termed ocean acidification (OA). OA is expected to negatively affect the growth and physiology of many calcified organisms, but the response of non-calcified (fleshy) organisms is less well understood. Rising temperatures and pCO2 can enhance photosynthetic rates (within tolerance limits). Therefore, warming may interact with OA to alter biological responses of macroalgae in complicated ways. Beyond thresholds of physiological tolerance, however, rising temper

APA, Harvard, Vancouver, ISO, and other styles

24

Leles, S. G., A. Mitra, K. J. Flynn, et al. "Oceanic protists with different forms of acquired phototrophy display contrasting biogeographies and abundance." Proceedings of the Royal Society B: Biological Sciences 284, no. 1860 (2017): 20170664. http://dx.doi.org/10.1098/rspb.2017.0664.

Full text

Abstract:

This first comprehensive analysis of the global biogeography of marine protistan plankton with acquired phototrophy shows these mixotrophic organisms to be ubiquitous and abundant; however, their biogeography differs markedly between different functional groups. These mixotrophs, lacking a constitutive capacity for photosynthesis (i.e. non-constitutive mixotrophs, NCMs), acquire their phototrophic potential through either integration of prey-plastids or through endosymbiotic associations with photosynthetic microbes. Analysis of field data reveals that 40–60% of plankton traditionally labelled

APA, Harvard, Vancouver, ISO, and other styles

25

Toledo, Gerardo, B. Palenik, and B. Brahamsha. "Swimming Marine Synechococcus Strains with Widely Different Photosynthetic Pigment Ratios Form a Monophyletic Group." Applied and Environmental Microbiology 65, no. 12 (1999): 5247–51. http://dx.doi.org/10.1128/aem.65.12.5247-5251.1999.

Full text

Abstract:

ABSTRACT Unicellular marine cyanobacteria are ubiquitous in both coastal and oligotrophic regimes. The contribution of these organisms to primary production and nutrient cycling is substantial on a global scale. Natural populations of marine Synechococcus strains include multiple genetic lineages, but the link, if any, between unique phenotypic traits and specific genetic groups is still not understood. We studied the genetic diversity (as determined by the DNA-dependent RNA polymerase rpoC1 gene sequence) of a set of marineSynechococcus isolates that are able to swim. Our results show that th

APA, Harvard, Vancouver, ISO, and other styles

26

Lopez, Pascal Jean. "Silicomics: Silicon enters the 'omics arena." Biochemist 33, no. 3 (2011): 26–28. http://dx.doi.org/10.1042/bio03303026.

Full text

Abstract:

Silicon is the second most abundant element in the Earth's crust, making up about onequarter of the crust by mass. In the modern surface waters of recent oceans, silicon is undersaturated, but it is estimated that its concentration was much higher before the rise of the diatoms during the Jurassic–Cretaceous periods. Since silicon is everywhere, it is not surpris ing that, over time, a large number of marine and terrestrial organisms have acquired or developed the ability to use or to transform silicon. It is generally known that many organisms accumulate and/or use silicon to construct inter

APA, Harvard, Vancouver, ISO, and other styles

27

Pradhan, Biswajita, Rabindra Nayak, Srimanta Patra, Bimal Prasad Jit, Andrea Ragusa, and Mrutyunjay Jena. "Bioactive Metabolites from Marine Algae as Potent Pharmacophores against Oxidative Stress-Associated Human Diseases: A Comprehensive Review." Molecules 26, no. 1 (2020): 37. http://dx.doi.org/10.3390/molecules26010037.

Full text

Abstract:

In addition to cancer and diabetes, inflammatory and ROS-related diseases represent one of the major health problems worldwide. Currently, several synthetic drugs are used to reduce oxidative stress; nevertheless, these approaches often have side effects. Therefore, to overcome these issues, the search for alternative therapies has gained importance in recent times. Natural bioactive compounds have represented, and they still do, an important source of drugs with high therapeutic efficacy. In the “synthetic” era, terrestrial and aquatic photosynthetic organisms have been shown to be an essenti

APA, Harvard, Vancouver, ISO, and other styles

28

Buick, Roger. "When did oxygenic photosynthesis evolve?" Philosophical Transactions of the Royal Society B: Biological Sciences 363, no. 1504 (2008): 2731–43. http://dx.doi.org/10.1098/rstb.2008.0041.

Full text

Abstract:

The atmosphere has apparently been oxygenated since the ‘Great Oxidation Event’ ca 2.4 Ga ago, but when the photosynthetic oxygen production began is debatable. However, geological and geochemical evidence from older sedimentary rocks indicates that oxygenic photosynthesis evolved well before this oxygenation event. Fluid-inclusion oils in ca 2.45 Ga sandstones contain hydrocarbon biomarkers evidently sourced from similarly ancient kerogen, preserved without subsequent contamination, and derived from organisms producing and requiring molecular oxygen. Mo and Re abundances and sulphur isotope s

APA, Harvard, Vancouver, ISO, and other styles

29

Sharma, Lilianna, Grzegorz Siedlewicz, and Ksenia Pazdro. "The Toxic Effects of Antibiotics on Freshwater and Marine Photosynthetic Microorganisms: State of the Art." Plants 10, no. 3 (2021): 591. http://dx.doi.org/10.3390/plants10030591.

Full text

Abstract:

Antibiotic residues have been commonly detected worldwide in freshwater, estuarine, and marine ecosystems. The review summarizes the up-to-date information about the toxic effects of over 60 antibiotics on nontarget autotrophic microorganisms with a particular focus on marine microalgae. A comprehensive overview of the available reports led to the identification of significant knowledge gaps. The data on just one species of freshwater green algae (Raphidocelis subcapitata) constitute 60% of the total information on the toxicity of antibiotics, while data on marine species account for less than

APA, Harvard, Vancouver, ISO, and other styles

30

Wu, Ni, Mengmeng Tong, Siyu Gou, Weiji Zeng, Zhuoyun Xu, and Tianjiu Jiang. "Hemolytic Activity in Relation to the Photosynthetic System in Chattonella marina and Chattonella ovata." Marine Drugs 19, no. 6 (2021): 336. http://dx.doi.org/10.3390/md19060336.

Full text

Abstract:

Chattonella species, C. marina and C. ovata, are harmful raphidophycean flagellates known to have hemolytic effects on many marine organisms and resulting in massive ecological damage worldwide. However, knowledge of the toxigenic mechanism of these ichthyotoxic flagellates is still limited. Light was reported to be responsible for the hemolytic activity (HA) of Chattonella species. Therefore, the response of photoprotective, photosynthetic accessory pigments, the photosystem II (PSII) electron transport chain, as well as HA were investigated in non-axenic C. marina and C. ovata cultures under

APA, Harvard, Vancouver, ISO, and other styles

31

Hussein, Hanaa Ali, and Mohd Azmuddin Abdullah. "Anticancer Compounds Derived from Marine Diatoms." Marine Drugs 18, no. 7 (2020): 356. http://dx.doi.org/10.3390/md18070356.

Full text

Abstract:

Cancer is the main cause of death worldwide, so the discovery of new and effective therapeutic agents must be urgently addressed. Diatoms are rich in minerals and secondary metabolites such as saturated and unsaturated fatty acids, esters, acyl lipids, sterols, proteins, and flavonoids. These bioactive compounds have been reported as potent anti-cancer, anti-oxidant and anti-bacterial agents. Diatoms are unicellular photosynthetic organisms, which are important in the biogeochemical circulation of silica, nitrogen, and carbon, attributable to their short growth-cycle and high yield. The biosil

APA, Harvard, Vancouver, ISO, and other styles

32

Raven, John A. "Aquatic viruses: the emerging story." Journal of the Marine Biological Association of the United Kingdom 86, no. 3 (2006): 449–51. http://dx.doi.org/10.1017/s0025315406013348.

Full text

Abstract:

It is likely that all living organisms can be infected by one or more viruses. One of the latest higher taxa to be converted from ‘no characterized viruses’ to ‘well characterized viruses’ are the diatoms (Bacillariophyceae, Heterokontophyta) with the recent publication of three papers characterizing an ssRNA and a ssDNA virus from two genera (Chaetoceros and Rhizosolenia) of marine planktonic diatom (Nagasaki et al., 2004, 2005; Bettarel et al., 2005). It would have been strange if viruses had not been able to exploit the dominant, in terms of global primary production, photosynthetic organis

APA, Harvard, Vancouver, ISO, and other styles

33

Sharma, Poonam, and Nivedita Sharma. "Industrial and Biotechnological Applications of Algae: A Review." Journal of Advances in Plant Biology 1, no. 1 (2017): 1–25. http://dx.doi.org/10.14302/issn.2638-4469.japb-17-1534.

Full text

Abstract:

Algae are a class of photosynthetic organisms found in both marine and freshwaters habitats. As these organisms have a short doubling time, they are considered among fastest growing creatures. They have different pathways to fix atmospheric carbon dioxide and to efficiently utilize the nutrients to convert it into biomass. In few years, a focus has been shifted towards these organisms due to their food and fuel production capability. In fuel industry algae biofuels have been emerged as a clean, nature friendly, cost effective solution to other fuels. Algae fuels are categorized into bio-ethano

APA, Harvard, Vancouver, ISO, and other styles

34

Berdalet, Elisa, Lora E. Fleming, Richard Gowen, et al. "Marine harmful algal blooms, human health and wellbeing: challenges and opportunities in the 21st century." Journal of the Marine Biological Association of the United Kingdom 96, no. 1 (2015): 61–91. http://dx.doi.org/10.1017/s0025315415001733.

Full text

Abstract:

Microalgal blooms are a natural part of the seasonal cycle of photosynthetic organisms in marine ecosystems. They are key components of the structure and dynamics of the oceans and thus sustain the benefits that humans obtain from these aquatic environments. However, some microalgal blooms can cause harm to humans and other organisms. These harmful algal blooms (HABs) have direct impacts on human health and negative influences on human wellbeing, mainly through their consequences to coastal ecosystem services (fisheries, tourism and recreation) and other marine organisms and environments. HABs

APA, Harvard, Vancouver, ISO, and other styles

35

Quigg, Antonietta, John Beardall, and Tom Wydrzynski. "Photoacclimation involves modulation of the photosynthetic oxygen-evolving reactions in Dunaliella tertiolecta and Phaeodactylum tricornutum." Functional Plant Biology 30, no. 3 (2003): 301. http://dx.doi.org/10.1071/fp02140.

Full text

Abstract:

Net energy accumulation by marine microalgae at very low photon fluxes involves modulation of several attributes related to both the growth and photosynthetic physiology of these organisms. Here we studied flash-induced oscillatory patterns in oxygen evolution by previously dark-adapted cells of the green alga Dunaliella tertiolecta (Butcher) and the diatom Phaeodactylum tricornutum (Bohlin). The activity of the oxygen-evolving complex was found to be species-specific and influenced by photoacclimation. Results from measurements of oxygen flash yield obtained for these organisms grown under li

APA, Harvard, Vancouver, ISO, and other styles

36

Uzair, Bushra, Sobia Tabassum, Madiha Rasheed, and Saima Firdous Rehman. "Exploring Marine Cyanobacteria for Lead Compounds of Pharmaceutical Importance." Scientific World Journal 2012 (2012): 1–10. http://dx.doi.org/10.1100/2012/179782.

Full text

Abstract:

The Ocean, which is called the “mother of origin of life,” is also the source of structurally unique natural products that are mainly accumulated in living organisms. Cyanobacteria are photosynthetic prokaryotes used as food by humans. They are excellent source of vitamins and proteins vital for life. Several of these compounds show pharmacological activities and are helpful for the invention and discovery of bioactive compounds, primarily for deadly diseases like cancer, acquired immunodeficiency syndrome (AIDS), arthritis, and so forth, while other compounds have been developed as analgesics

APA, Harvard, Vancouver, ISO, and other styles

37

Doyle, Jason R., James N. Burnell, Dianne S. Haines, Lyndon E. Llewellyn, Cherie A. Motti, and Dianne M. Tapiolas. "A Rapid Screening Method to Detect Specific Inhibitors of Pyruvate Orthophosphate Dikinase as Leads for C₄ Plant-Selective Herbicides." Journal of Biomolecular Screening 10, no. 1 (2005): 67–75. http://dx.doi.org/10.1177/1087057104269978.

Full text

Abstract:

Plants using the C4 photosynthetic pathway are highly represented among the world’s worst weeds, with only 4 C4 species being agriculturally productive (maize, sorghum, millet, and sugar cane). With the C4 acid cycle operating as a biochemical appendage of C3 photosynthesis, the additional enzymes involved in C4 photosynthesis represent an attractive target for the development of weed-specific herbicides. The rate-limiting enzyme of this metabolic pathway is pyruvate orthophosphate dikinase (PPDK). PPDK, coupled with phosphoenolpyruvate carboxylase and nicotinamide adenine dinucleotide-malate

APA, Harvard, Vancouver, ISO, and other styles

38

Puchkova, T. V., S. A. Khapchaeva, V. S. Zotov, A. A. Lukyanov, and A. E. Solovchenko. "Marine and freshwater microalgae as a sustainable source of cosmeceuticals." Marine Biological Journal 6, no. 1 (2021): 67–81. http://dx.doi.org/10.21072/mbj.2021.06.1.06.

Full text

Abstract:

A prominent feature of stress-tolerant microalgae is their versatile metabolism, allowing them to synthesize a broad spectrum of molecules. In microalgae, they increase stress resilience of these organisms. In human body, they exhibit anti-aging, anti-inflammatory, and sunscreen activities. This is not surprising, given that many of the stress-induced deleterious processes in human body and in photosynthetic cell are mediated by the same mechanisms: free-radical attacks and lipid peroxidation. It is also worth noting, that the photosynthetic machinery of microalgae is always at risk of oxidati

APA, Harvard, Vancouver, ISO, and other styles

39

Kalasariya, Haresh S., Virendra Kumar Yadav, Krishna Kumar Yadav, et al. "Seaweed-Based Molecules and Their Potential Biological Activities: An Eco-Sustainable Cosmetics." Molecules 26, no. 17 (2021): 5313. http://dx.doi.org/10.3390/molecules26175313.

Full text

Abstract:

Amongst the countless marine organisms, seaweeds are considered as one of the richest sources of biologically active ingredients having powerful biological activities. Seaweeds or marine macroalgae are macroscopic multicellular eukaryotic photosynthetic organisms and have the potential to produce a large number of valuable compounds, such as proteins, carbohydrates, fatty acids, amino acids, phenolic compounds, pigments, etc. Since it is a prominent source of bioactive constituents, it finds diversified industrial applications viz food and dairy, pharmaceuticals, medicinal, cosmeceutical, nutr

APA, Harvard, Vancouver, ISO, and other styles

40

Plummer, Abigail, Roberto Benzi, David R. Nelson, and Federico Toschi. "Fixation probabilities in weakly compressible fluid flows." Proceedings of the National Academy of Sciences 116, no. 2 (2018): 373–78. http://dx.doi.org/10.1073/pnas.1812829116.

Full text

Abstract:

Competition between biological species in marine environments is affected by the motion of the surrounding fluid. An effective 2D compressibility can arise, for example, from the convergence and divergence of water masses at the depth at which passively traveling photosynthetic organisms are restricted to live. In this report, we seek to quantitatively study genetics under flow. To this end, we couple an off-lattice agent-based simulation of two populations in 1D to a weakly compressible velocity field—first a sine wave and then a shell model of turbulence. We find for both cases that even in

APA, Harvard, Vancouver, ISO, and other styles

41

Kamennaya, Nina A., and Anton F. Post. "Characterization of Cyanate Metabolism in MarineSynechococcusandProchlorococcusspp." Applied and Environmental Microbiology 77, no. 1 (2010): 291–301. http://dx.doi.org/10.1128/aem.01272-10.

Full text

Abstract:

ABSTRACTCyanobacteria of the generaSynechococcusandProchlorococcusare the most abundant photosynthetic organisms on earth, occupying a key position at the base of marine food webs. ThecynSgene that encodes cyanase was identified among bacterial, fungal, and plant sequences in public databases, and the gene was particularly prevalent among cyanobacteria, including numerousProchlorococcusandSynechococcusstrains. Phylogenetic analysis ofcynSsequences retrieved from the Global Ocean Survey database identified >60% as belonging to unicellular marine cyanobacteria, suggesting an important role fo

APA, Harvard, Vancouver, ISO, and other styles

42

Sun, Dong, Ning He, Qi Chen, and Shunshan Duan. "Effects of Lanthanum on the Photosystem II Energy Fluxes and Antioxidant System of Chlorella Vulgaris and Phaeodactylum Tricornutum." International Journal of Environmental Research and Public Health 16, no. 12 (2019): 2242. http://dx.doi.org/10.3390/ijerph16122242.

Full text

Abstract:

The rare earth elements are widely used in agricultural and light industry development. They promote the growth of crop seedlings, enhance root development and change the metal properties. Due to the large amount of rare earth minerals mined in China, rare earth elements have been detected in both coastal and estuary areas. They cause pollution and threaten the health of aquatic organisms and human beings. This study investigates the effects of lanthanum on two marine bait algae, and analyzes the changes in the photosynthetic and antioxidant systems of the two algae. The results show that rare

APA, Harvard, Vancouver, ISO, and other styles

43

Taylor, Vivien F., Brian P. Jackson, Matthew R. Siegfried, et al. "Arsenic speciation in food chains from mid-Atlantic hydrothermal vents." Environmental Chemistry 9, no. 2 (2012): 130. http://dx.doi.org/10.1071/en11134.

Full text

Abstract:

Environmental contextArsenic occurs in marine organisms at high levels and in many chemical forms. A common explanation of this phenomenon is that algae play the central role in accumulating arsenic by producing arsenic-containing sugars that are then converted into simpler organic arsenic compounds found in fish and other marine animals. We show that animals in deep-sea vent ecosystems, which are uninhabited by algae, contain the same organic arsenic compounds as do pelagic animals, indicating that algae are not the only source of these compounds. AbstractArsenic concentration and speciation

APA, Harvard, Vancouver, ISO, and other styles

44

Day, John G., and Michael Francis Turner. "Live protist curation at the Scottish Association for Marine Science, 1884–2017." Archives of Natural History 45, no. 2 (2018): 267–82. http://dx.doi.org/10.3366/anh.2018.0519.

Full text

Abstract:

Understanding and exploiting marine microbial biodiversity is a huge task. Integral to this is the capacity to identify and maintain exemplar taxa ex situ, so that they may be studied or utilized. This paper focuses on protists, primarily photosynthetic protists, including microalgae and macroalgae, as well as the prokaryotic cyanobacteria. It draws together the strands of activities undertaken by scientists in the fields of taxonomy, systematics and algal cultivation associated with the Scottish Association for Marine Science at Oban and its predecessors: the Scottish Marine Station, original

APA, Harvard, Vancouver, ISO, and other styles

45

Needham, David M., Susumu Yoshizawa, Toshiaki Hosaka, et al. "A distinct lineage of giant viruses brings a rhodopsin photosystem to unicellular marine predators." Proceedings of the National Academy of Sciences 116, no. 41 (2019): 20574–83. http://dx.doi.org/10.1073/pnas.1907517116.

Full text

Abstract:

Giant viruses are remarkable for their large genomes, often rivaling those of small bacteria, and for having genes thought exclusive to cellular life. Most isolated to date infect nonmarine protists, leaving their strategies and prevalence in marine environments largely unknown. Using eukaryotic single-cell metagenomics in the Pacific, we discovered a Mimiviridae lineage of giant viruses, which infects choanoflagellates, widespread protistan predators related to metazoans. The ChoanoVirus genomes are the largest yet from pelagic ecosystems, with 442 of 862 predicted proteins lacking known homo

APA, Harvard, Vancouver, ISO, and other styles

46

Dalheim, Lars, Jon Brage Svenning, and Ragnar Ludvig Olsen. "In vitro intestinal digestion of lipids from the marine diatom Porosira glacialis compared to commercial LC n-3 PUFA products." PLOS ONE 16, no. 6 (2021): e0252125. http://dx.doi.org/10.1371/journal.pone.0252125.

Full text

Abstract:

Marine sources of long chain omega-3 polyunsaturated fatty acids (LC n-3 PUFA) are in high demand for use in health supplements. Mass cultivated marine microalgae is a promising and sustainable source of LC n-3 PUFA, which relieves pressure on natural fish stocks. The lipid class profile from cultivated photosynthetic algae differ from the marine organisms currently used for the production of LC n-3 PUFA. The objective of this study was to compare in vitro intestinal digestion of oil extracted from the cold-adapted marine diatom Porosira glacialis with commercially available LC n-3 PUFA supple

APA, Harvard, Vancouver, ISO, and other styles

47

van der Heijden, L. H., and N. A. Kamenos. "Reviews and syntheses: Calculating the global contribution of coralline algae to total carbon burial." Biogeosciences 12, no. 21 (2015): 6429–41. http://dx.doi.org/10.5194/bg-12-6429-2015.

Full text

Abstract:

Abstract. The ongoing increase in anthropogenic carbon dioxide (CO2) emissions is changing the global marine environment and is causing warming and acidification of the oceans. Reduction of CO2 to a sustainable level is required to avoid further marine change. Many studies investigate the potential of marine carbon sinks (e.g. seagrass) to mitigate anthropogenic emissions, however, information on storage by coralline algae and the beds they create is scant. Calcifying photosynthetic organisms, including coralline algae, can act as a CO2 sink via photosynthesis and CaCO3 dissolution and act as

APA, Harvard, Vancouver, ISO, and other styles

48

van der Heijden, L. H., and N. A. Kamenos. "Calculating the global contribution of coralline algae to carbon burial." Biogeosciences Discussions 12, no. 10 (2015): 7845–77. http://dx.doi.org/10.5194/bgd-12-7845-2015.

Full text

Abstract:

Abstract. The ongoing increase in anthropogenic carbon dioxide (CO2) emissions is changing the global marine environment and is causing warming and acidification of the oceans. Reduction of CO2 to a sustainable level is required to avoid further marine change. Many studies investigate the potential of marine carbon sinks (e.g. seagrass) to mitigate anthropogenic emissions, however, information on storage by coralline algae and the beds they create is scant. Calcifying photosynthetic organisms, including coralline algae, can act as a CO2 sink via photosynthesis and CaCO3 dissolution and act as

APA, Harvard, Vancouver, ISO, and other styles

49

Benites, L. Felipe, Nicole Poulton, Karine Labadie, Michael E. Sieracki, Nigel Grimsley, and Gwenael Piganeau. "Single cell ecogenomics reveals mating types of individual cells and ssDNA viral infections in the smallest photosynthetic eukaryotes." Philosophical Transactions of the Royal Society B: Biological Sciences 374, no. 1786 (2019): 20190089. http://dx.doi.org/10.1098/rstb.2019.0089.

Full text

Abstract:

Planktonic photosynthetic organisms of the class Mamiellophyceae include the smallest eukaryotes (less than 2 µm), are globally distributed and form the basis of coastal marine ecosystems. Eight complete fully annotated 13–22 Mb genomes from three genera, Ostreococcus , Bathycoccus and Micromonas , are available from previously isolated clonal cultured strains and provide an ideal resource to explore the scope and challenges of analysing single cell amplified genomes (SAGs) isolated from a natural environment. We assembled data from 12 SAGs sampled during the Tara Oceans expedition to gain bio

APA, Harvard, Vancouver, ISO, and other styles

50

TALEBI, Ahmad Farhad, Meisam TABATABAEI, Seyed Kaveh MOHTASHAMI, Masoud TOHIDFAR, and Foad MORADI. "Comparative Salt Stress Study on Intracellular Ion Concentration in Marine and Salt-adapted Freshwater Strains of Microalgae." Notulae Scientia Biologicae 5, no. 3 (2013): 309–15. http://dx.doi.org/10.15835/nsb539114.

Full text

Abstract:

Salinity imposes significant stresses in various living organisms including microalgae. High extracellular concentration of Na+ directly influences ionic balance inside the cell and subsequently the cellular activities. In the present study, the effect of such stress on growth and intracellular ions concentration (IIC) of Dunaliella salina and Chlorella Spp. was investigated. IIC was analyzed using Ion chromatography technique. D. salina showed the highest degree of resistance to increase in salinity as little changes occurred both in IIC and in growth parameters. D. salina could maintain the

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!