Cyanobacteria and Eukaryotic Algae Use Different Chemical Variants of Vitamin B12
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- 作者：Katherine Emma Helliwell1 ; 6 ; katherine.helliwell@mba.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Andrew David Lawrence2 ; Andre Holzer1 ; 3 ; Ulrich Johan Kudahl1 ; Severin Sasso1 ; 7 ; Bernhard Krä ; utler4 ; David John Scanlan5 ; Martin James Warren2 ; Alison Gail Smith1 ; as25@cam.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：vitamin B12 ; cyanobacteria ; pseudocobalamin ; algae ; competition ; nutrient cycling ; phytoplankton
- 刊名：Current Biology
- 出版年：2016
- 出版时间：25 April 2016
- 年：2016
- 卷：26
- 期：8
- 页码：999-1008
- 全文大小：1856 K
文摘
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Dominant marine cyanobacteria synthesize only pseudocobalamin
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Pseudocobalamin is orders of magnitude less bioavailable to eukaryotic algae
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Certain algae can remodel pseudocobalamin to a bioavailable form
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This implies a complex B12 cycle between microbes in the photic zone