The plant pathogen Pectobacterium atrosepticum contains a functional formate hydrogenlyase-2 complex
The plant pathogen Pectobacterium atrosepticum contains a functional formate hydrogenlyase-2 complex
复制标题
植物病原体黑腐果杆菌含有功能性甲酸氢解酶 2 复合物
DOI:
10.1101/688135
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Finney A
中科院分区:
文献类型:
--
作者:
Finney A
Pectobacterium atrosepticumSCRI1043 is a phytopathogenic Gram‐negative enterobacterium. Genomic analysis has identified that genes required for both respiration and fermentation are expressed under anaerobic conditions. One set of anaerobically expressed genes is predicted to encode an important but poorly understood membrane‐bound enzyme termed formate hydrogenlyase‐2 (FHL‐2), which has fascinating evolutionary links to the mitochondrial NADH dehydrogenase (Complex I). In this work, molecular genetic and biochemical approaches were taken to establish that FHL‐2 is fully functional inP. atrosepticumand is the major source of molecular hydrogen gas generated by this bacterium. The FHL‐2 complex was shown to comprise a rare example of an active [NiFe]‐hydrogenase‐4 (Hyd‐4) isoenzyme, itself linked to an unusual selenium‐free formate dehydrogenase in the final complex. In addition, further genetic dissection of the genes encoding the predicted membrane arm of FHL‐2 established surprisingly that the majority of genes encoding this domain are not required for physiological hydrogen production activity. Overall, this study presentsP. atrosepticumas a new model bacterial system for understanding anaerobic formate and hydrogen metabolism in general, and FHL‐2 function and structure in particular.
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DOI:
10.1073/pnas.1407056111
发表时间:
2014-08-05
影响因子:
11.1
作者:
Lim, Jae Kyu;Mayer, Florian;Mueller, Volker
通讯作者:
Mueller, Volker
DOI:
10.1073/pnas.84.10.3156
发表时间:
1987-05-01
影响因子:
11.1
作者:
ZINONI, F;BIRKMANN, A;BOCK, A
通讯作者:
BOCK, A
影响因子:
2.8
作者:
Andrews, SC;Berks, BC;Guest, JR
通讯作者:
Guest, JR
影响因子:
56.9
作者:
Lue, Wei;Du, Juan;Einsle, Oliver
通讯作者:
Einsle, Oliver
影响因子:
3.2
作者:
Lindenstrauss, Ute;Pinske, Constanze
通讯作者:
Pinske, Constanze