Academic literature on the topic 'Anabaena, Aphanizomenon and Cylindrospermopsis'
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Journal articles on the topic "Anabaena, Aphanizomenon and Cylindrospermopsis"
Ballot, Andreas, Jutta Fastner, and Claudia Wiedner. "Paralytic Shellfish Poisoning Toxin-Producing Cyanobacterium Aphanizomenon gracile in Northeast Germany." Applied and Environmental Microbiology 76, no. 4 (January 4, 2010): 1173–80. http://dx.doi.org/10.1128/aem.02285-09.
Full textAl-Tebrineh, Jamal, Troco Kaan Mihali, Francesco Pomati, and Brett A. Neilan. "Detection of Saxitoxin-Producing Cyanobacteria and Anabaena circinalis in Environmental Water Blooms by Quantitative PCR." Applied and Environmental Microbiology 76, no. 23 (October 8, 2010): 7836–42. http://dx.doi.org/10.1128/aem.00174-10.
Full textCirés, Samuel, Lars Wörmer, Andreas Ballot, Ramsy Agha, Claudia Wiedner, David Velázquez, María Cristina Casero, and Antonio Quesada. "Phylogeography of Cylindrospermopsin and Paralytic Shellfish Toxin-Producing Nostocales Cyanobacteria from Mediterranean Europe (Spain)." Applied and Environmental Microbiology 80, no. 4 (December 13, 2013): 1359–70. http://dx.doi.org/10.1128/aem.03002-13.
Full textIteman, Isabelle, Rosmarie Rippka, Nicole Tandeau de Marsac, and Michael Herdman. "rDNA analyses of planktonic heterocystous cyanobacteria, including members of the genera Anabaenopsis and Cyanospira The GenBank accession numbers of the 16S rDNA gene sequences reported in this paper are AY038032–AY038037." Microbiology 148, no. 2 (February 1, 2002): 481–96. http://dx.doi.org/10.1099/00221287-148-2-481.
Full textBowling, L. "Occurrence and possible causes of a severe cyanobacterial bloom in Lake Cargelligo, New South Wales." Marine and Freshwater Research 45, no. 5 (1994): 737. http://dx.doi.org/10.1071/mf9940737.
Full textSteenhauer, Lisa M., Peter C. Pollard, Corina P. D. Brussaard, and Christin Säwström. "Lysogenic infection in sub-tropical freshwater cyanobacteria cultures and natural blooms." Marine and Freshwater Research 65, no. 7 (2014): 624. http://dx.doi.org/10.1071/mf13094.
Full textStüken, Anke, Jacqueline Rücker, Tina Endrulat, Karina Preussel, Mike Hemm, Brigitte Nixdorf, Ulf Karsten, and Claudia Wiedner. "Distribution of three alien cyanobacterial species (Nostocales) in northeast Germany: Cylindrospermopsis raciborskii, Anabaena bergii and Aphanizomenon aphanizomenoides." Phycologia 45, no. 6 (November 2006): 696–703. http://dx.doi.org/10.2216/05-58.1.
Full textBallot, A., J. Ramm, T. Rundberget, R. N. Kaplan-Levy, O. Hadas, A. Sukenik, and C. Wiedner. "Occurrence of non-cylindrospermopsin-producing Aphanizomenon ovalisporum and Anabaena bergii in Lake Kinneret (Israel)." Journal of Plankton Research 33, no. 11 (August 3, 2011): 1736–46. http://dx.doi.org/10.1093/plankt/fbr071.
Full textPaerl, Hans W., Rolland S. Fulton, Pia H. Moisander, and Julianne Dyble. "Harmful Freshwater Algal Blooms, With an Emphasis on Cyanobacteria." Scientific World JOURNAL 1 (2001): 76–113. http://dx.doi.org/10.1100/tsw.2001.16.
Full textDreher, Theo W., Amanda J. Foss, Edward W. Davis, and Ryan S. Mueller. "7-epi-cylindrospermopsin and microcystin producers among diverse Anabaena/Dolichospermum/Aphanizomenon CyanoHABs in Oregon, USA." Harmful Algae 116 (July 2022): 102241. http://dx.doi.org/10.1016/j.hal.2022.102241.
Full textDissertations / Theses on the topic "Anabaena, Aphanizomenon and Cylindrospermopsis"
Pengelly, Jasper John Lobl Biotechnology & Biomolecular Sciences Faculty of Science UNSW. "Molecular characterisation of membrane transporters associated with saxitoxin biosynthesis in cyanobacteria." Publisher:University of New South Wales. Biotechnology & Biomolecular Sciences, 2008. http://handle.unsw.edu.au/1959.4/41429.
Full textJaja-Chimedza, Asha D. "Contribution of Lipophilic Secondary Metabolites to the Toxicity of Strains of Freshwater Cyanobacterial Harmful Algal Blooms, Identified Using the Zebrafish (Danio rerio) Embyo as a Model for Vertebrate Development." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1535.
Full text(9725532), Acquire Admin. "Phytoplankton ecology in the Fitzroy River at Rockhampton, Central Queensland, Australia." Thesis, 1999. https://figshare.com/articles/thesis/Phytoplankton_ecology_in_the_Fitzroy_River_at_Rockhampton_Central_Queensland_Australia/21397656.
Full textThe seasonal periodicity of hydrology, physical and chemical water quality parameters and phytoplanktonic assemblages was studied at two sites in a large tropical Australian riverine impoundment. This study, the first in the lower Fitzroy River at Rockhampton, occurred between August 1990 and November 1993. It covered extremes in riverine flow conditions including major flooding and drought.
The annual flow regime was characterized by major flows in the "wet" season (summer and autumn) and greatly reduced or no flow in the "dry" season of winter, spring and sometimes early summer. Consequently, the thermal regime at both of the study sites was divided into two phases. The first was a phase of water column heating in the late winter to early summer. Features of this heating phase were long term stratification with progressive epilimnetic deepening, high pH, regular occurrence of epilimnetic oxygen supersaturation and decreased or undetectable levels of oxidized nitrogen in the surface layer. Hypolimnetic anoxia was recorded late in this phase. The second, between substantial wet season inflows and late winter was characterized by nutrient rich inflows and water column cooling and mixing.
Distinct interannual differences occurred in the volume, source and timing of inflows and subsequent water chemistry. In 1991, conductivity, water clarity, filterable reactive phosphorus (FRP) and pH increased markedly following major flooding from northern tributaries, while oxidized nitrogen decreased. This was in marked contrast to the drier years of 1992 and 1993 where turbidity and oxidized nitrogen were higher during the initial post-flood period and conductivity and FRP were lower. Extremes of mostly abiogenic turbidity (range 1.6 to 159 NTU) were a feature of the light climate. Ratios of euphotic depth/mixing depth below 0.3 occurred in early 1992 and 1993.
Steep gradients in the physical and chemical environment were paralleled by variations in the phytoplankton. Algal biomass (as chlorophyll a) at Site 1, midstream opposite the water intake for the city of Rockhampton, ranged from 1.5 to 56.6 ug L-1. The vertical water column distribution of chlorophyll was variable with assemblages normally dominated by phytoflagellates and various species of cyanoprokaryotes. There was also higher relative abundance of chlorophyll a (reflecting increasing dominance of cyanoprokaryotes) in the latter half of the year and at the lower end of light availability. The specific vertical water column positioning with respect to light and temperature is shown for assemblages dominated by the genera Anabaena, Aphanizomenon and Cylindrospermopsis.
The most striking aspect of the phytoplankton was the long term dominance of cyanoprokaryotes and the species richness (particularly that of cyanoprokaryotes) when compared with the dearth of information to date on other tropical rivers. Seasonal successions were varied. Regularly occurring assemblages were cyanoprokaryotes (Oscillatoriales), euglenophytes or non-flagellated chlorophytes during flows followed by flagellated chlorophytes and then cyanoprokaryotes (Nostocales) during the dry season. Genera present indicated highly eutrophic conditions. Hierarchical agglomerative clustering of phytoplankton data and comparison with a principal components analysis of corresponding environmental data were used to demonstrate the linkage between steep environmental gradients and variation in the phytoplankton assemblage. The specific environmental conditions associated with the success of various species were also analysed and presented. Using the above information, a two-part model was proposed which predicts the most likely genera of phytoplankton with respect to multidimensional environmental gradients. This model covers a wide gamut of conditions varying from highly variable lotic to lentic environments.
As Cylindrospermopsis raciborskii was considered a most important species in relation to the quality of the water supply for Rockhampton, the physical, chemical and biotic conditions prior to and during a bloom of this species are described. A number of possible grazers of C. raciborskii were identified with a view to future biomanipulation. One of these, the large ciliate, Paramecium cf. caudatum was found to be an effective grazer of toxic straight C. raciborskii in the laboratory.
This study is unique in that it analyses the impact of episodic events (eg. major flooding) on the subsequent phytoplankton in the lower Fitzroy River. The model relating phytoplankton to multidimensional environmental gradients provides great information for use in management, particularly in relation to the prediction of toxic algal blooms.
Yeh, Li-ling, and 葉俐伶. "Effect of Ozonation on the cell integrity and metabolite degration of Anabaena and Cylindrospermopsis." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/09667437605401959945.
Full text國立成功大學
環境工程學系碩博士班
97
The effect of ozonation on the cell integrity and metabolite release of Anabaena circinalis and Cylindrospermopsis raciborskii is investigated. The two cyanobacteria were grown in the filtrated water from Tai-Lake, Kinmen, with addition of either ASM or JM algae growth medium. A fluorescence technique, combining fluorescein diacetate (FDA) with either flow cytometer (FCM) and/or epifluorescence microscope (EFM), was used for the determination of cell integrity. A solid-phase microextraction (SPME) concentration followed by a gas chromatograph (GC) and mass spectrometric detector (MSD) was employed to measure the metabolite of A. circinalis, geosmin. A series of ozonation experiments of cyanobacteria-laden water was conducted at different cell concentrations and different ozone dosages. During the experiments, ozone concentration, cell integrity, and metabolite concentration were monitored at different time. Experimental results indicated that C. raciborskii is very easy to be ruptured by ozone, while A. circinalis is slightly more resistant to ozone oxidation. At 1 mg/L of ozone dosage and 1,500,000 cells/mL of cell concentration, about 30% cells remained integral for A. circinalis after 30 min of reaction, while ~100% cells were ruptured for C. raciborskii. For the metabolites of A. circinalis, geosmin was easily to be destructed by ozone. At ozone dosage of 1 mg/L and cell concentration of 1,500,000 cells/mL, 50% reduction was observed for geosmin after 30 mins of ozonation. The microphotos from SEM clearly show that the cell surfaces for both strains were damaged after ozonation, with some substances leaked from the cells. This strengthened the observation from EFM and FCM that the cells were ruptured after ozonation. Both strains became fractured at the cell joints.
Beltrami, Orietta. "Assessing Taxonomic Issues with the Genera Anabaena, Aphanizomenon and Nostoc Using Morphology, 16S rRNA and efp genes." Thesis, 2008. http://hdl.handle.net/10012/4175.
Full textZAPOMĚLOVÁ, Eliška. "Anabaena - Phenotypic and genotypic diversity of planktonic strains in fishponds and reservoirs of the Czech Republic." Doctoral thesis, 2008. http://www.nusl.cz/ntk/nusl-85585.
Full textBook chapters on the topic "Anabaena, Aphanizomenon and Cylindrospermopsis"
Aidan Al-Hussieny, Ahmed. "Algae Toxins and Their Treatment." In Microalgae [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102909.
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