Effect of different salinities on growth and intra- and extracellular toxicity of four strains of the haptophyte Prymnesium parvum

Weissbach Astrid; Legrand Catherine

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Effect of different salinities on growth and intra- and extracellular toxicity of four strains of the haptophyte Prymnesium parvum

机译：不同盐度对4种触藻植物小球藻生长和细胞内外毒性的影响

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The present study investigates the effect of brackish (7 PSU) and marine (26 PSU) salinity on physiological parameters and intra- and extracellular toxicity in 4 strains of Prymnesium parvum Carter. The different P. parvum strains were grown in batch cultures in 2 trials under different experimental conditions to test the development of intra- and extracellular toxicity during growth. The response of P. parvum toxicity to salinity was validated using 2 protocols. Intraspecific variations in growth rate, maximal cell density (yield) and cell morphology were controlled by salinity. Extracellular toxicity was higher at 7 PSU in all strains, but no correlation was found between intra- and extracellular toxicity. The variation of extracellular toxicity in response to salinity was much greater than that of intracellular toxicity, which indicates that P. parvum may be producing a variety of substances contributing to its various types of 'toxicity'.Digital Object Identifier http://dx.doi.org/10.3354/ame01589

机译：本研究调查了咸味（7 PSU）和海洋（26 PSU）的盐度对4株小ym细菌Carter的生理参数以及细胞内和细胞外毒性的影响。在2个试验中，在不同的实验条件下，分批培养了不同的小白僵菌菌株，以测试生长过程中细胞内和细胞外毒性的发展。小菜蛾毒性反应对盐度的反应已使用2个方案进行了验证。盐度控制生长速率，最大细胞密度（产量）和细胞形态的种内变化。所有菌株在7 PSU时的细胞外毒性均较高，但在细胞内和细胞外毒性之间未发现相关性。盐度反应引起的细胞外毒性的变化远大于细胞内毒性的变化，这表明小球藻可能正在产生多种导致其各种“毒性”的物质。 doi.org/10.3354/ame01589

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《Aquatic Microbial Ecology》 |2012年第2期|共11页
作者
Weissbach Astrid; Legrand Catherine;
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正文语种 eng
中图分类水生生物学;
关键词
Allelopathy; Extracellular toxicity; Harmful algal species; Intracellular toxicity; Prymnesium parvum; Salinity; Strain;

机译：化感作用;细胞外毒性;有害藻类;细胞内毒性;小球藻;盐度;菌株;

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1. Effect of different salinities on growth and intra- and extracellular toxicity of four strains of the haptophyte Prymnesium parvum [J] . Weissbach Astrid, Legrand Catherine Aquatic Microbial Ecology . 2012,第2期

机译：不同盐度对4种触藻植物小球藻生长和细胞内外毒性的影响
2. Role of mixotrophy and light for growth and survival of the toxic haptophyte Prymnesium parvum [J] . Andreas Brutemark, Edna Graneli Harmful Algae . 2011,第4期

机译：混合营养和光在有毒的触藻植物小球藻生长和存活中的作用
3. Allelopathic Effects of Toxic Haptophyte Prymnesium parvum Lead to Release of Dissolved Organic Carbon and Increase in Bacterial Biomass [J] . Uronen P, Kuuppo P, Legrand C, Microbial Ecology: An International Journal . 2007,第1期

机译：有毒的触藻植物小球藻的化感作用导致释放溶解的有机碳并增加细菌生物量
4. Toxic Prymnesium parvum: A Potential Threat to U.S. Reservoirs [C] . DAVID R. SAGER, AARON BARKOH, DAVID L. BUZAN, North American Reservoir Symposium . 2008

机译：毒性幼儿园：对美国水库的潜在威胁
5. Growth and toxicity of prymnesium parvum in long-term cultures at low temperature and salinity. [D] . He, Xianzi. 2011

机译：在低温和盐度下长期培养的小球藻的生长和毒性。
6. Growth response of the ichthyotoxic haptophyte, Prymnesium parvum Carter, to changes in sulfate and fluoride concentrations [O] . Rakib H. Rashel, Reynaldo Patiño 2012

机译：鱼鳞毒素触角植物，小ym（Pyrymiumium parvum）卡特对硫酸盐和氟化物浓度变化的生长响应
7. Toxic haptophyte Prymnesium parvum affects grazing, survival, egestion and egg production of the calanoid copepods Eurytemora affinis and Acartia bifilosa [O] . Sopanen, S., Koski, Marja, Kuupo, P., 2006

机译：有毒的haptophyte prymnesium parvum影响了calanoid copepods Eurytemora affinis和acartia bifilosa的放牧，存活，消化和产卵

Effect of different salinities on growth and intra- and extracellular toxicity of four strains of the haptophyte Prymnesium parvum

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