Evidence for nitrogenase-catalyzed hydrogen uptake in nitrogen-fixing filamentous blue-green algae
Two new strains of (heterocystous) Anabaena, one of them devoid of hydrogenase activity, were compared with respect to hydrogen‐uptake activities. Evidence was obtained for a hydrogen‐recycling pathway in the dark independent of hydrogenase, because a similar recycling activity is measured in both s...
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| Veröffentlicht in: | FEMS microbiology letters 1986-10, Vol.37 (1), p.45-49 |
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| container_title | FEMS microbiology letters |
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| creator | Chen, P.C Almon, H Boger, P |
| description | Two new strains of (heterocystous) Anabaena, one of them devoid of hydrogenase activity, were compared with respect to hydrogen‐uptake activities. Evidence was obtained for a hydrogen‐recycling pathway in the dark independent of hydrogenase, because a similar recycling activity is measured in both strains. This hydrogen uptake is dependent on substrates for nitrogenase (molecular nitrogen or acetylene) and can be abolished by oxygen treatment of filaments or by uncouplers. The findings are interpreted as nitrogenase itself being directly involved in the hydrogen‐uptake mechanism. |
| doi_str_mv | 10.1111/j.1574-6968.1986.tb01764.x |
| format | Article |
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Evidence was obtained for a hydrogen‐recycling pathway in the dark independent of hydrogenase, because a similar recycling activity is measured in both strains. This hydrogen uptake is dependent on substrates for nitrogenase (molecular nitrogen or acetylene) and can be abolished by oxygen treatment of filaments or by uncouplers. The findings are interpreted as nitrogenase itself being directly involved in the hydrogen‐uptake mechanism.</description><identifier>ISSN: 0378-1097</identifier><identifier>EISSN: 1574-6968</identifier><identifier>DOI: 10.1111/j.1574-6968.1986.tb01764.x</identifier><identifier>CODEN: FMLED7</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Anabaena ; Anabaena sp ; Bacteriology ; Biological and medical sciences ; catalytic activity ; Fundamental and applied biological sciences. Psychology ; hydrogen ; hydrogen uptake ; hydrogenase ; Metabolism. 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Evidence was obtained for a hydrogen‐recycling pathway in the dark independent of hydrogenase, because a similar recycling activity is measured in both strains. This hydrogen uptake is dependent on substrates for nitrogenase (molecular nitrogen or acetylene) and can be abolished by oxygen treatment of filaments or by uncouplers. The findings are interpreted as nitrogenase itself being directly involved in the hydrogen‐uptake mechanism.</description><subject>Anabaena</subject><subject>Anabaena sp</subject><subject>Bacteriology</subject><subject>Biological and medical sciences</subject><subject>catalytic activity</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>hydrogen</subject><subject>hydrogen uptake</subject><subject>hydrogenase</subject><subject>Metabolism. 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Psychology</topic><topic>hydrogen</topic><topic>hydrogen uptake</topic><topic>hydrogenase</topic><topic>Metabolism. Enzymes</topic><topic>Microbiology</topic><topic>nitrogen fixation</topic><topic>nitrogenase</topic><topic>uptake</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, P.C</creatorcontrib><creatorcontrib>Almon, H</creatorcontrib><creatorcontrib>Boger, P</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>FEMS microbiology letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, P.C</au><au>Almon, H</au><au>Boger, P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evidence for nitrogenase-catalyzed hydrogen uptake in nitrogen-fixing filamentous blue-green algae</atitle><jtitle>FEMS microbiology letters</jtitle><date>1986-10</date><risdate>1986</risdate><volume>37</volume><issue>1</issue><spage>45</spage><epage>49</epage><pages>45-49</pages><issn>0378-1097</issn><eissn>1574-6968</eissn><coden>FMLED7</coden><abstract>Two new strains of (heterocystous) Anabaena, one of them devoid of hydrogenase activity, were compared with respect to hydrogen‐uptake activities. 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| identifier | ISSN: 0378-1097 |
| ispartof | FEMS microbiology letters, 1986-10, Vol.37 (1), p.45-49 |
| issn | 0378-1097 1574-6968 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_14644842 |
| source | Access via Wiley Online Library; Alma/SFX Local Collection; Oxford University Press Journals Digital Archive Legacy |
| subjects | Anabaena Anabaena sp Bacteriology Biological and medical sciences catalytic activity Fundamental and applied biological sciences. Psychology hydrogen hydrogen uptake hydrogenase Metabolism. Enzymes Microbiology nitrogen fixation nitrogenase uptake |
| title | Evidence for nitrogenase-catalyzed hydrogen uptake in nitrogen-fixing filamentous blue-green algae |
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