Generation of superoxide anions byChattonella antiqua: Possible causes for fish death caused by ‘Red Tide’

Generation of superoxide anions byChattonella antiqua: Possible causes for fish death caused by ‘Red Tide’
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古查托氏菌产生超氧阴离子:“赤潮”造成鱼类死亡的可能原因

DOI:
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发表时间:
1992
期刊:
Experientia
影响因子:
--
通讯作者:
M. Shimada
M. Shimada
中科院分区:
--
文献类型:
--
作者:
K. Tanaka;S. Yoshimatsu;M. Shimada

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通过电子自旋共振光谱和微电极技术证明了古查通菌(“红潮”)产生的活性自由基可能是导致鱼类死亡的一个原因。电化学检测表明,超氧阴离子作为初级产物产生,并在糖萼扩散过程中进一步反应产生氢自由基、羟基自由基和碳中心自由基,这些自由基被ESR检测为次级产物。有人提出,这些活性自由基是鱼在接触“红潮”时破坏粘膜的原因。
The generation of reactive free radicals byChattonella antiqua (‘Red Tide’), which may be a causative factor in fish death, has been demonstrated by electron spin resonance spectroscopy and a microelectrode technique. Electrochemical detection indicates that superoxide anions are produced as a primary product, and undergo further reactions during diffusion in glycocalyx to produce hydrogen, hydroxy-, and carbon-centered radicals which are detected by ESR as secondary products. It is proposed that these reactive radicals are responsible for the destruction of the mucous membranes of fish on exposure to ‘Red Tide’.
DOI: 10.1016/s0021-9258(19)75994-8
发表时间: 1986-12
期刊: The Journal of biological chemistry
影响因子: --
作者:
B. Britigan;G. Rosen;B. Thompson;Y. Chai;M. Cohen
通讯作者: B. Britigan;G. Rosen;B. Thompson;Y. Chai;M. Cohen