Trimethylated homoserine functions as the major compatible solute in the globally significant oceanic cyanobacterium Trichodesmium
Trimethylated homoserine functions as the major compatible solute in the globally significant oceanic cyanobacterium Trichodesmium
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三甲基化高丝氨酸是全球重要的海洋蓝藻 Trichodesmium 中的主要相容性溶质
DOI:
10.1073/pnas.1611666113
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
Hagemann
中科院分区:
文献类型:
--
作者:
Michalik;Bermann-Frank;Hagemann
The oceanic N2-fixing cyanobacteriumTrichodesmiumspp. form extensive surface blooms and contribute significantly to marine carbon and nitrogen cycles in the oligotrophic subtropical and tropical oceans.Trichodesmiumgrows in salinities from 27 to 43 parts per thousand (ppt), yet its salt acclimation strategy remains enigmatic because the genome ofTrichodesmium erythraeumstrain IMS101 lacks all genes for the biosynthesis of any known compatible solute. Using NMR and liquid chromatography coupled to mass spectroscopy, we identified the main compatible solute inT. erythraeumstrain IMS101 as the quaternary ammonium compoundN,N,N-trimethyl homoserine (or homoserine betaine) and elucidated its biosynthetic pathway. The identification of this compatible solute explains howTrichodesmiumspp. can thrive in the marine system at varying salinities and provides further insight into the diversity of microbial salt acclimation.
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DOI:
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发表时间:
1996
期刊:
影响因子:
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发表时间:
2022
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1984
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作者:
R. Jones
通讯作者:
R. Jones
影响因子:
5.1
作者:
Pade, Nadin;Compaore, Justine;Hagemann, Martin
通讯作者:
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DOI:
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发表时间:
1974
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作者:
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