Aerobic Production of Bacteriochlorophylls in the Filamentous Anoxygenic Photosynthetic Bacterium, Chloroflexus aurantiacus in the Light
Filamentous anoxygenic photosynthetic bacteria grow by photosynthesis and aerobic respiration. The present study investigated the effects of light and O2 on bacteriochlorophyll contents and the transcription levels of photosynthesis-related genes in Chloroflexus aurantiacus J-10-fl T. Under aerobic...
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| Veröffentlicht in: | Microbes and Environments 2020, Vol.35(2), pp.ME20015 |
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| description | Filamentous anoxygenic photosynthetic bacteria grow by photosynthesis and aerobic respiration. The present study investigated the effects of light and O2 on bacteriochlorophyll contents and the transcription levels of photosynthesis-related genes in Chloroflexus aurantiacus J-10-fl T. Under aerobic conditions, C. aurantiacus produced marked amounts of bacteriochlorophylls in the presence of light, although their production was strongly suppressed in the dark. The transcription levels of genes related to the synthesis of bacteriochlorophylls, photosystems, and chlorosomes: bchM, bchU, pufL, pufBA, and csmM, were markedly increased by illumination. These results suggest that C. aurantiacus continuously synthesizes ATP by photophosphorylation even in the presence of O2. |
| doi_str_mv | 10.1264/jsme2.ME20015 |
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The present study investigated the effects of light and O2 on bacteriochlorophyll contents and the transcription levels of photosynthesis-related genes in Chloroflexus aurantiacus J-10-fl T. Under aerobic conditions, C. aurantiacus produced marked amounts of bacteriochlorophylls in the presence of light, although their production was strongly suppressed in the dark. The transcription levels of genes related to the synthesis of bacteriochlorophylls, photosystems, and chlorosomes: bchM, bchU, pufL, pufBA, and csmM, were markedly increased by illumination. These results suggest that C. aurantiacus continuously synthesizes ATP by photophosphorylation even in the presence of O2.</description><identifier>ISSN: 1342-6311</identifier><identifier>EISSN: 1347-4405</identifier><identifier>DOI: 10.1264/jsme2.ME20015</identifier><identifier>PMID: 32418929</identifier><language>eng</language><publisher>Japan: Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles</publisher><subject>Adenosine Triphosphate - biosynthesis ; anoxygenic photosynthetic bacteria ; Bacterial Proteins - genetics ; bacteriochlorophyll ; Bacteriochlorophylls - biosynthesis ; Bacteriochlorophylls - genetics ; Chloroflexus ; Chloroflexus - metabolism ; Gene Expression Regulation, Bacterial ; Light ; Oxygen - metabolism ; Photosynthesis ; Photosynthetic Reaction Center Complex Proteins - genetics ; Short Communication</subject><ispartof>Microbes and Environments, 2020, Vol.35(2), pp.ME20015</ispartof><rights>2020 by Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles.</rights><rights>2020 by Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles. 2020</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c570t-d5740bff1475d4772666ae59f8c16f11a46cf1caafd38e01e7e30275451f5f033</citedby><cites>FETCH-LOGICAL-c570t-d5740bff1475d4772666ae59f8c16f11a46cf1caafd38e01e7e30275451f5f033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7308566/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7308566/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,1877,4010,27900,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32418929$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Izaki, Kazaha</creatorcontrib><creatorcontrib>Haruta, Shin</creatorcontrib><title>Aerobic Production of Bacteriochlorophylls in the Filamentous Anoxygenic Photosynthetic Bacterium, Chloroflexus aurantiacus in the Light</title><title>Microbes and Environments</title><addtitle>Microbes Environ.</addtitle><description>Filamentous anoxygenic photosynthetic bacteria grow by photosynthesis and aerobic respiration. The present study investigated the effects of light and O2 on bacteriochlorophyll contents and the transcription levels of photosynthesis-related genes in Chloroflexus aurantiacus J-10-fl T. Under aerobic conditions, C. aurantiacus produced marked amounts of bacteriochlorophylls in the presence of light, although their production was strongly suppressed in the dark. The transcription levels of genes related to the synthesis of bacteriochlorophylls, photosystems, and chlorosomes: bchM, bchU, pufL, pufBA, and csmM, were markedly increased by illumination. These results suggest that C. aurantiacus continuously synthesizes ATP by photophosphorylation even in the presence of O2.</description><subject>Adenosine Triphosphate - biosynthesis</subject><subject>anoxygenic photosynthetic bacteria</subject><subject>Bacterial Proteins - genetics</subject><subject>bacteriochlorophyll</subject><subject>Bacteriochlorophylls - biosynthesis</subject><subject>Bacteriochlorophylls - genetics</subject><subject>Chloroflexus</subject><subject>Chloroflexus - metabolism</subject><subject>Gene Expression Regulation, Bacterial</subject><subject>Light</subject><subject>Oxygen - metabolism</subject><subject>Photosynthesis</subject><subject>Photosynthetic Reaction Center Complex Proteins - genetics</subject><subject>Short Communication</subject><issn>1342-6311</issn><issn>1347-4405</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVkctOGzEUhi3UqlDoki2aB-hQ351skEIEBSlVWcDacjx2xtGMHdkeRN6gj12TDKN244vOdz7L5wfgEsFrhDn9sU29wde_7jCEiJ2AM0SoqCmF7NPhjGtOEDoFX1PaQkgIE_gLOCWYotkcz8_An4WJYe109RRDM-jsgq-CrW6Vzia6oNsuxLBr912XKuer3Jrq3nWqNz6HIVULH972G-PfBW3IIe19QXK5joah_14tDxLbmbfSoYaofHZKD5Nw5TZtvgCfreqS-Tbu5-Dl_u55-VCvfv98XC5WtWYC5rphgsK1tYgK1lAhMOdcGTa3M424RUhRri3SStmGzAxERhgCsWCUIctsGcA5uDl6d8O6N40uH4mqk7voehX3Mign_69418pNeJWCwBnjvAjqo0DHkFI0dupFUL5HIg-RyDGSwl_9--BEf2RQgOUR2KasNmYCVCxz7MyoI0wellE7VXWrojSe_AURp6U5</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Izaki, Kazaha</creator><creator>Haruta, Shin</creator><general>Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>5PM</scope></search><sort><creationdate>2020</creationdate><title>Aerobic Production of Bacteriochlorophylls in the Filamentous Anoxygenic Photosynthetic Bacterium, Chloroflexus aurantiacus in the Light</title><author>Izaki, Kazaha ; Haruta, Shin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c570t-d5740bff1475d4772666ae59f8c16f11a46cf1caafd38e01e7e30275451f5f033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adenosine Triphosphate - biosynthesis</topic><topic>anoxygenic photosynthetic bacteria</topic><topic>Bacterial Proteins - genetics</topic><topic>bacteriochlorophyll</topic><topic>Bacteriochlorophylls - biosynthesis</topic><topic>Bacteriochlorophylls - genetics</topic><topic>Chloroflexus</topic><topic>Chloroflexus - metabolism</topic><topic>Gene Expression Regulation, Bacterial</topic><topic>Light</topic><topic>Oxygen - metabolism</topic><topic>Photosynthesis</topic><topic>Photosynthetic Reaction Center Complex Proteins - genetics</topic><topic>Short Communication</topic><toplevel>online_resources</toplevel><creatorcontrib>Izaki, Kazaha</creatorcontrib><creatorcontrib>Haruta, Shin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Microbes and Environments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Izaki, Kazaha</au><au>Haruta, Shin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Aerobic Production of Bacteriochlorophylls in the Filamentous Anoxygenic Photosynthetic Bacterium, Chloroflexus aurantiacus in the Light</atitle><jtitle>Microbes and Environments</jtitle><addtitle>Microbes Environ.</addtitle><date>2020</date><risdate>2020</risdate><volume>35</volume><issue>2</issue><spage>ME20015</spage><pages>ME20015-</pages><issn>1342-6311</issn><eissn>1347-4405</eissn><abstract>Filamentous anoxygenic photosynthetic bacteria grow by photosynthesis and aerobic respiration. The present study investigated the effects of light and O2 on bacteriochlorophyll contents and the transcription levels of photosynthesis-related genes in Chloroflexus aurantiacus J-10-fl T. Under aerobic conditions, C. aurantiacus produced marked amounts of bacteriochlorophylls in the presence of light, although their production was strongly suppressed in the dark. The transcription levels of genes related to the synthesis of bacteriochlorophylls, photosystems, and chlorosomes: bchM, bchU, pufL, pufBA, and csmM, were markedly increased by illumination. 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| subjects | Adenosine Triphosphate - biosynthesis anoxygenic photosynthetic bacteria Bacterial Proteins - genetics bacteriochlorophyll Bacteriochlorophylls - biosynthesis Bacteriochlorophylls - genetics Chloroflexus Chloroflexus - metabolism Gene Expression Regulation, Bacterial Light Oxygen - metabolism Photosynthesis Photosynthetic Reaction Center Complex Proteins - genetics Short Communication |
| title | Aerobic Production of Bacteriochlorophylls in the Filamentous Anoxygenic Photosynthetic Bacterium, Chloroflexus aurantiacus in the Light |
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