Glutathione amide and its perthiol in anaerobic sulfur bacteria

被引:29
作者
Bartsch, RG [1 ]
Newton, GL [1 ]
Sherrill, C [1 ]
Fahey, RC [1 ]
机构
[1] UNIV CALIF SAN DIEGO, DEPT CHEM & BIOCHEM, LA JOLLA, CA 92093 USA
关键词
D O I
10.1128/jb.178.15.4742-4746.1996
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Chromatium species produced the novel biological thiol glutathione amide, gamma-L-glutamyl-L-cysteinylglycine amide (GASH), when grown photoheterotrophically. GASH was largely converted to the corresponding perthiol during photoautotrophic growth on sulfide, suggesting that GASH may have a function in anaerobic sulfide metabolism. This unprecedented form of glutathione metabolism was probably present in anaerobic ancestors of modern cyanobacteria acid purple bacteria.
引用
收藏
页码:4742 / 4746
页数:5
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