Growth, nitrogen fixation, and nodularin production by two baltic sea cyanobacteria.

Applied and Environmental Microbiology
J LehtimakiK Kononen

Abstract

In late summer, nitrogen-fixing cyanobacteria Nodularia spumigena and Aphanizomenon flos-aquae form blooms in the open Baltic Sea. N. spumigena has caused several animal poisonings, but Baltic A. flos-aquae is not known to be toxic. In this laboratory study, performed with batch cultures, the influences of environmental conditions on the biomass and nitrogen fixation rate of N. spumigena and A. flos-aquae were compared and the toxin (nodularin) concentration produced by N. spumigena was measured. Several differences in the biomasses and nitrogen fixation rates of N. spumigena and A. flos-aquae were observed. A. flos-aquae preferred lower irradiances, salinities, and temperatures than N. spumigena. The biomass of both species increased with high phosphate concentrations and with accompanying bacteria and decreased with unnaturally high inorganic nitrogen concentrations. Nodularin concentrations in cells and growth media, as well as nitrogen fixation rates, were generally highest under the conditions that promoted growth. Intracellular nodularin concentrations increased with high temperature, high irradiance, and high phosphate concentration and decreased with low and high salinities and high inorganic nitrogen concentrations. No...Continue Reading

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Citations

Dec 21, 2000·Journal of Applied Microbiology·C LyraK Sivonen
Oct 31, 2002·Applied and Environmental Microbiology·Maria J LaamanenKaarina Sivonen
Feb 6, 2007·Applied and Environmental Microbiology·Kerttu KoskenniemiKaarina Sivonen
Sep 10, 2010·Journal of Biosciences·Harinder SinghShree Kumar Apte
Mar 21, 2012·Environmental Microbiology·Brett A NeilanElke Dittmann
Jun 27, 2014·Toxins·Thangavelu Boopathi, Jang-Seu Ki
Apr 2, 2015·Life·Jana HinnersInga Hense
Feb 5, 2014·FEMS Microbiology Ecology·Michelle M Gehringer, Nicola Wannicke
Aug 24, 2013·Marine Drugs·Lotta BerntzonBirgitta Bergman
May 28, 2016·Journal of Environmental Science and Health. Part C, Environmental Carcinogenesis & Ecotoxicology Reviews·H M LiyanageL Guneratne
Nov 24, 2016·Environmental Microbiology·S E ColomaT Hiltunen
Nov 22, 2016·Environmental Microbiology·Narin CelepliKarolina Ininbergs
Nov 18, 2008·Critical Reviews in Toxicology·L A PearsonNeilan B A
Oct 8, 2011·PloS One·Claudia Dziallas, Hans-Peter Grossart
Jun 17, 2011·Nature Reviews. Microbiology·Jill A SohmDouglas G Capone
Oct 9, 2018·Journal of Applied Phycology·Camila M CrnkovicJimmy Orjala
May 20, 2011·Journal of the Royal Society, Interface·Valentina RossettiHomayoun C Bagheri
Feb 7, 2015·Environmental Microbiology·Rosemary E ScavottoPia H Moisander
Mar 15, 2001·FEMS Microbiology Ecology·M Kaebernick, B A. Neilan
Nov 23, 2006·FEMS Microbiology Ecology·Jenny DegerholmErik Söderbäck
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