Fate of toxic cyclic heptapeptides, microcystins, in toxic cyanobacteria upon grazing by the mixotrophic flagellate Poterioochromonas malhamensis (Ochromonadales, Chrysophyceae)

Phycologia

Volumn 35, Issue SUPPL., 1996, Pages 203-206

  Watanabe, Makoto M ^a   Zhang, Xiaoming ^a   Kaya, Kunimitsu ^a  

^a NATIONAL INSTITUTE FOR ENVIRONMENTAL STUDIES   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000069942     PISSN: 00318884     EISSN: None     Source Type: Journal    
DOI: 10.2216/i0031-8884-35-6s-203.1     Document Type: Article

References (16)

1. ANDERSEN R.A. & WETHERBEE R. 1992. Microtubules of the flagellar apparatus are active during prey capture in the chrysophycean alga Epipyxis pulchra. Protoplasma 166: 8-20.
2. BERG K., SKULBERG O.M. & SKULBERG R. 1987. Effects of decaying toxic blue-green algae on water quality - a laboratory study. Archiv für Hydrobiologie 108: 549-563.
3. BORAAS M.E., ESTEP K.W., JOHNSON P.W. & SIEBURTH J.MCN. 1988. Phagotrophic phototrophs: the ecological significance of mixotrophy. Journal of Protozoology 35: 249-252.
4. CARMICHAEL W.W. 1981. Freshwater blue-green algae (Cyanobacteria) toxins - a review. In: The Water Environment. Algal Toxins and Health (Ed. by W.W. Carmichael), pp. 1-13. Plenum Press, New York.
5. COLE G.T. & WYNNE M.J. 1974. Endocytosis of Microcystis aeruginosa by Ochromonas danica. Journal of Phycology 10: 397-410.
6. DALEY R.J., MORRIS G.P. & BROWN S.R. 1973. Phagotrophic ingestion of a blue-green alga by Ochromonas. Journal of Protozoology 20: 58-61.
7. FALCONER I.R., BURCH M.D., STEFFENSEN D.A., CHOICE M. & COVERDALE O.R. 1994. Toxicity of the blue-green alga (cyanobacterium) Microcystis aeruginosa in drinking water to growing pigs, as an animal model for human injury and risk assessment. Environmental Toxicology and Water Quality: An International Journal 9: 131-139.
8. FALCONER I.R., SMITH J.V., JACKSON A.R., JONES A. & KUNNEGAR M.T. 1988. Oral toxicity of a bloom of the cyanobacterium Microcystis aeruginosa administered to mice over periods up to 1 year. Journal of Toxicology and Environmental Health 24: 291-305.
9. KATO S. 1982. Laboratory culture and morphology of Colacium vesiculosum Ehrg. (Euglenophyceae). Japanese Journal of Phycology 30: 57-62.
10. KAYA K. & WATANABE M.M. 1990. Microcystin composition of an axenic clonal strain of Microcystis viridis and Microcystis viridis-containing waterblooms in Japanese freshwaters. Journal of Applied Phycology 2: 173-178.
11. PRINGSHEIM E.G. 1952. On the nutrition of Ochromonas. Quarterly Journal of Microscopic Science 93: 71-96.
12. SANDERS R.W. & WICKHAM S.A. 1993. Planktonic protozoa and metazoa: predation, food quality and population control. Marine Microbial Food Webs 7: 197-223.
13. WATANABE M.M., KAYA K. & TAKAMURA N. 1992. Fate of the toxic cyclic heptapeptides, the microcystins, from blooms of Microcystis (Cyanobacteria) in a hypertrophic lake. Journal of Phycology 28: 761-767.
14. WATANABE M.M. & NOZAKI H. 1994. NIES - Collection, List of Strains, Algae and Protozoa, 4th edn. National Institute for Environmental studies, Tsukuba. 127 pp.
15. YOSHIZAWA S., MATSUSHIMA R., WATANABE M.F., HARADA K.-I., ICHIHARA A., CARMICHAEL W.W. & FUJIKI H. 1990. Inhibition of protein phosphatases by microcystins and nodularin associated with hepatotoxicity. Journal of Cancer Research and Clinical Oncology 116: 609-614.
16. ZHANG X., WATANABE M.M. & INOUYE I. 1996. Light and electron microscopy of grazing by Poterioochromonas malhamensis (Chrysophyceae) on a range of phytoplankton taxa. Journal of Phycology 32: 37-46.