Rice Cytokinin GATA Transcription Factor1 Regulates Chloroplast Development and Plant Architecture
Chloroplast biogenesis has been well documented in higher plants, yet the complex methods used to regulate chloroplast activity under fluctuating environmental conditions are not well understood. In rice (Oryza sativa), the CYTOKININRESPONSIVE GATA TRANSCRIPTION FACTOR1 (Cgal) shows increased expres...
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description | Chloroplast biogenesis has been well documented in higher plants, yet the complex methods used to regulate chloroplast activity under fluctuating environmental conditions are not well understood. In rice (Oryza sativa), the CYTOKININRESPONSIVE GATA TRANSCRIPTION FACTOR1 (Cgal) shows increased expression following light, nitrogen, and cytokinin treatments, while darkness and gibberellin reduce expression. Strong overexpression of Cga1 produces dark green, semidwarf plants with reduced tillering, whereas RNA interference knockdown results in reduced chlorophyll and increased tillering. Coexpression, microarray, and real-time expression analyses demonstrate a correlation between Cga1 expression and the expression of important nucleus-encoded, chloroplast-localized genes. Constitutive Cga1 overexpression increases both chloroplast biogenesis and starch production but also results in delayed senescence and reduced grain filling. Growing the transgenic lines under different nitrogen regimes indicates potential agricultural applications for Cga1, including manipulation of biomass, chlorophyll/chloroplast content, and harvest index. These results indicate a conserved mechanism by which Cga1 regulates chloroplast development in higher plants. |
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In rice (Oryza sativa), the CYTOKININRESPONSIVE GATA TRANSCRIPTION FACTOR1 (Cgal) shows increased expression following light, nitrogen, and cytokinin treatments, while darkness and gibberellin reduce expression. Strong overexpression of Cga1 produces dark green, semidwarf plants with reduced tillering, whereas RNA interference knockdown results in reduced chlorophyll and increased tillering. Coexpression, microarray, and real-time expression analyses demonstrate a correlation between Cga1 expression and the expression of important nucleus-encoded, chloroplast-localized genes. Constitutive Cga1 overexpression increases both chloroplast biogenesis and starch production but also results in delayed senescence and reduced grain filling. Growing the transgenic lines under different nitrogen regimes indicates potential agricultural applications for Cga1, including manipulation of biomass, chlorophyll/chloroplast content, and harvest index. These results indicate a conserved mechanism by which Cga1 regulates chloroplast development in higher plants.</description><identifier>ISSN: 0032-0889</identifier><identifier>ISSN: 1532-2548</identifier><identifier>EISSN: 1532-2548</identifier><identifier>DOI: 10.1104/pp.113.217265</identifier><identifier>PMID: 23548780</identifier><identifier>CODEN: PPHYA5</identifier><language>eng</language><publisher>Rockville, MD: American Society of Plant Biologists</publisher><subject>Biological and medical sciences ; Biomass ; Chlorophyll - analysis ; Chlorophyll - metabolism ; Chlorophylls ; Chloroplasts ; Chloroplasts - physiology ; crop production ; Cytokinins ; Cytokinins - metabolism ; Darkness ; Flowers - cytology ; Flowers - genetics ; Flowers - growth & development ; Flowers - physiology ; Fundamental and applied biological sciences. Psychology ; GATA Transcription Factors - genetics ; GATA Transcription Factors - metabolism ; Gene Expression ; Gene Expression Profiling ; Gene Expression Regulation, Plant ; Genes ; GENES, DEVELOPMENT, AND EVOLUTION ; Gibberellins - metabolism ; Light ; Nitrogen - metabolism ; Oligonucleotide Array Sequence Analysis ; Oryza - cytology ; Oryza - genetics ; Oryza - growth & development ; Oryza - physiology ; Panicles ; Photosynthesis ; plant architecture ; Plant cells ; plant development ; Plant Growth Regulators - metabolism ; Plant Leaves - genetics ; Plant Leaves - growth & development ; Plant Leaves - physiology ; Plant physiology and development ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Plants ; Plants, Genetically Modified ; Rice ; RNA Interference ; Seeds - cytology ; Seeds - genetics ; Seeds - growth & development ; Seeds - physiology ; Starch - analysis ; Starch - metabolism ; Starches ; transcription factors ; Transgenic plants</subject><ispartof>Plant physiology (Bethesda), 2013-05, Vol.162 (1), p.132-144</ispartof><rights>2013 American Society of Plant Biologists</rights><rights>2014 INIST-CNRS</rights><rights>2013 American Society of Plant Biologists. All Rights Reserved. 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c538t-fe42624d9926c5f54e8e78c0e49aafe9b1d716cd6dc1e93f2928b9f6ac04d7043</citedby><cites>FETCH-LOGICAL-c538t-fe42624d9926c5f54e8e78c0e49aafe9b1d716cd6dc1e93f2928b9f6ac04d7043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/41942854$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/41942854$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,777,781,800,882,27905,27906,57998,58231</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27321751$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23548780$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hudson, Darryl</creatorcontrib><creatorcontrib>Guevara, David R.</creatorcontrib><creatorcontrib>Hand, Andrew J.</creatorcontrib><creatorcontrib>Xu, Zhenhua</creatorcontrib><creatorcontrib>Hao, Lixin</creatorcontrib><creatorcontrib>Chen, Xi</creatorcontrib><creatorcontrib>Zhu, Tong</creatorcontrib><creatorcontrib>Bi, Yong-Mei</creatorcontrib><creatorcontrib>Rothstein, Steven J.</creatorcontrib><title>Rice Cytokinin GATA Transcription Factor1 Regulates Chloroplast Development and Plant Architecture</title><title>Plant physiology (Bethesda)</title><addtitle>Plant Physiol</addtitle><description>Chloroplast biogenesis has been well documented in higher plants, yet the complex methods used to regulate chloroplast activity under fluctuating environmental conditions are not well understood. In rice (Oryza sativa), the CYTOKININRESPONSIVE GATA TRANSCRIPTION FACTOR1 (Cgal) shows increased expression following light, nitrogen, and cytokinin treatments, while darkness and gibberellin reduce expression. Strong overexpression of Cga1 produces dark green, semidwarf plants with reduced tillering, whereas RNA interference knockdown results in reduced chlorophyll and increased tillering. Coexpression, microarray, and real-time expression analyses demonstrate a correlation between Cga1 expression and the expression of important nucleus-encoded, chloroplast-localized genes. Constitutive Cga1 overexpression increases both chloroplast biogenesis and starch production but also results in delayed senescence and reduced grain filling. Growing the transgenic lines under different nitrogen regimes indicates potential agricultural applications for Cga1, including manipulation of biomass, chlorophyll/chloroplast content, and harvest index. These results indicate a conserved mechanism by which Cga1 regulates chloroplast development in higher plants.</description><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>Chlorophyll - analysis</subject><subject>Chlorophyll - metabolism</subject><subject>Chlorophylls</subject><subject>Chloroplasts</subject><subject>Chloroplasts - physiology</subject><subject>crop production</subject><subject>Cytokinins</subject><subject>Cytokinins - metabolism</subject><subject>Darkness</subject><subject>Flowers - cytology</subject><subject>Flowers - genetics</subject><subject>Flowers - growth & development</subject><subject>Flowers - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>GATA Transcription Factors - genetics</subject><subject>GATA Transcription Factors - metabolism</subject><subject>Gene Expression</subject><subject>Gene Expression Profiling</subject><subject>Gene Expression Regulation, Plant</subject><subject>Genes</subject><subject>GENES, DEVELOPMENT, AND EVOLUTION</subject><subject>Gibberellins - metabolism</subject><subject>Light</subject><subject>Nitrogen - metabolism</subject><subject>Oligonucleotide Array Sequence Analysis</subject><subject>Oryza - cytology</subject><subject>Oryza - genetics</subject><subject>Oryza - growth & development</subject><subject>Oryza - physiology</subject><subject>Panicles</subject><subject>Photosynthesis</subject><subject>plant architecture</subject><subject>Plant cells</subject><subject>plant development</subject><subject>Plant Growth Regulators - metabolism</subject><subject>Plant Leaves - genetics</subject><subject>Plant Leaves - growth & development</subject><subject>Plant Leaves - physiology</subject><subject>Plant physiology and development</subject><subject>Plant Proteins - genetics</subject><subject>Plant Proteins - metabolism</subject><subject>Plants</subject><subject>Plants, Genetically Modified</subject><subject>Rice</subject><subject>RNA Interference</subject><subject>Seeds - cytology</subject><subject>Seeds - genetics</subject><subject>Seeds - growth & development</subject><subject>Seeds - physiology</subject><subject>Starch - analysis</subject><subject>Starch - metabolism</subject><subject>Starches</subject><subject>transcription factors</subject><subject>Transgenic plants</subject><issn>0032-0889</issn><issn>1532-2548</issn><issn>1532-2548</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkcFrFDEUxoModq0ePSpzKXiZmpdkZpKLsKy2FQpKWc8hm3nTTZ2dxCRT6H9vym5XPXn6Png_Pt57HyFvgZ4DUPExhKL8nEHH2uYZWUDDWc0aIZ-TBaXFUynVCXmV0h2lFDiIl-SE8QJ0ki7I5sZZrFYP2f90k5uqy-V6Wa2jmZKNLmTnp-rC2OwjVDd4O48mY6pW29FHH0aTcvUZ73H0YYdTrszUV99HU9wy2q3LaPMc8TV5MZgx4ZuDnpIfF1_Wq6v6-tvl19XyurYNl7keULCWiV4p1tpmaARK7KSlKJQxA6oN9B20tm97C6j4wBSTGzW0xlLRd1TwU_JpnxvmzQ57WzaKZtQhup2JD9obp_-dTG6rb_295q0AULIEfDgERP9rxpT1ziWLY7kI_Zw0e3wgcN79HwUuZEMFCFbQeo_a6FOKOBw3AqofK9QhFOV6X2Hh3_99xpF-6qwAZwfAJGvGoZRlXfrDdbwkNVC4d3vuLpX-jnMBSjDZCP4b1hiu_g</recordid><startdate>20130501</startdate><enddate>20130501</enddate><creator>Hudson, Darryl</creator><creator>Guevara, David R.</creator><creator>Hand, Andrew J.</creator><creator>Xu, Zhenhua</creator><creator>Hao, Lixin</creator><creator>Chen, Xi</creator><creator>Zhu, Tong</creator><creator>Bi, Yong-Mei</creator><creator>Rothstein, Steven J.</creator><general>American Society of Plant Biologists</general><scope>IQODW</scope><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>7X8</scope><scope>7S9</scope><scope>L.6</scope><scope>5PM</scope></search><sort><creationdate>20130501</creationdate><title>Rice Cytokinin GATA Transcription Factor1 Regulates Chloroplast Development and Plant Architecture</title><author>Hudson, Darryl ; Guevara, David R. ; Hand, Andrew J. ; Xu, Zhenhua ; Hao, Lixin ; Chen, Xi ; Zhu, Tong ; Bi, Yong-Mei ; Rothstein, Steven J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c538t-fe42624d9926c5f54e8e78c0e49aafe9b1d716cd6dc1e93f2928b9f6ac04d7043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>Chlorophyll - analysis</topic><topic>Chlorophyll - metabolism</topic><topic>Chlorophylls</topic><topic>Chloroplasts</topic><topic>Chloroplasts - physiology</topic><topic>crop production</topic><topic>Cytokinins</topic><topic>Cytokinins - metabolism</topic><topic>Darkness</topic><topic>Flowers - cytology</topic><topic>Flowers - genetics</topic><topic>Flowers - growth & development</topic><topic>Flowers - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>GATA Transcription Factors - genetics</topic><topic>GATA Transcription Factors - metabolism</topic><topic>Gene Expression</topic><topic>Gene Expression Profiling</topic><topic>Gene Expression Regulation, Plant</topic><topic>Genes</topic><topic>GENES, DEVELOPMENT, AND EVOLUTION</topic><topic>Gibberellins - metabolism</topic><topic>Light</topic><topic>Nitrogen - metabolism</topic><topic>Oligonucleotide Array Sequence Analysis</topic><topic>Oryza - cytology</topic><topic>Oryza - genetics</topic><topic>Oryza - growth & development</topic><topic>Oryza - physiology</topic><topic>Panicles</topic><topic>Photosynthesis</topic><topic>plant architecture</topic><topic>Plant cells</topic><topic>plant development</topic><topic>Plant Growth Regulators - metabolism</topic><topic>Plant Leaves - genetics</topic><topic>Plant Leaves - growth & development</topic><topic>Plant Leaves - physiology</topic><topic>Plant physiology and development</topic><topic>Plant Proteins - genetics</topic><topic>Plant Proteins - metabolism</topic><topic>Plants</topic><topic>Plants, Genetically Modified</topic><topic>Rice</topic><topic>RNA Interference</topic><topic>Seeds - cytology</topic><topic>Seeds - genetics</topic><topic>Seeds - growth & development</topic><topic>Seeds - physiology</topic><topic>Starch - analysis</topic><topic>Starch - metabolism</topic><topic>Starches</topic><topic>transcription factors</topic><topic>Transgenic plants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hudson, Darryl</creatorcontrib><creatorcontrib>Guevara, David R.</creatorcontrib><creatorcontrib>Hand, Andrew J.</creatorcontrib><creatorcontrib>Xu, Zhenhua</creatorcontrib><creatorcontrib>Hao, Lixin</creatorcontrib><creatorcontrib>Chen, Xi</creatorcontrib><creatorcontrib>Zhu, Tong</creatorcontrib><creatorcontrib>Bi, Yong-Mei</creatorcontrib><creatorcontrib>Rothstein, Steven J.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Plant physiology (Bethesda)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hudson, Darryl</au><au>Guevara, David R.</au><au>Hand, Andrew J.</au><au>Xu, Zhenhua</au><au>Hao, Lixin</au><au>Chen, Xi</au><au>Zhu, Tong</au><au>Bi, Yong-Mei</au><au>Rothstein, Steven J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rice Cytokinin GATA Transcription Factor1 Regulates Chloroplast Development and Plant Architecture</atitle><jtitle>Plant physiology (Bethesda)</jtitle><addtitle>Plant Physiol</addtitle><date>2013-05-01</date><risdate>2013</risdate><volume>162</volume><issue>1</issue><spage>132</spage><epage>144</epage><pages>132-144</pages><issn>0032-0889</issn><issn>1532-2548</issn><eissn>1532-2548</eissn><coden>PPHYA5</coden><abstract>Chloroplast biogenesis has been well documented in higher plants, yet the complex methods used to regulate chloroplast activity under fluctuating environmental conditions are not well understood. In rice (Oryza sativa), the CYTOKININRESPONSIVE GATA TRANSCRIPTION FACTOR1 (Cgal) shows increased expression following light, nitrogen, and cytokinin treatments, while darkness and gibberellin reduce expression. Strong overexpression of Cga1 produces dark green, semidwarf plants with reduced tillering, whereas RNA interference knockdown results in reduced chlorophyll and increased tillering. Coexpression, microarray, and real-time expression analyses demonstrate a correlation between Cga1 expression and the expression of important nucleus-encoded, chloroplast-localized genes. Constitutive Cga1 overexpression increases both chloroplast biogenesis and starch production but also results in delayed senescence and reduced grain filling. Growing the transgenic lines under different nitrogen regimes indicates potential agricultural applications for Cga1, including manipulation of biomass, chlorophyll/chloroplast content, and harvest index. These results indicate a conserved mechanism by which Cga1 regulates chloroplast development in higher plants.</abstract><cop>Rockville, MD</cop><pub>American Society of Plant Biologists</pub><pmid>23548780</pmid><doi>10.1104/pp.113.217265</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Biological and medical sciences Biomass Chlorophyll - analysis Chlorophyll - metabolism Chlorophylls Chloroplasts Chloroplasts - physiology crop production Cytokinins Cytokinins - metabolism Darkness Flowers - cytology Flowers - genetics Flowers - growth & development Flowers - physiology Fundamental and applied biological sciences. Psychology GATA Transcription Factors - genetics GATA Transcription Factors - metabolism Gene Expression Gene Expression Profiling Gene Expression Regulation, Plant Genes GENES, DEVELOPMENT, AND EVOLUTION Gibberellins - metabolism Light Nitrogen - metabolism Oligonucleotide Array Sequence Analysis Oryza - cytology Oryza - genetics Oryza - growth & development Oryza - physiology Panicles Photosynthesis plant architecture Plant cells plant development Plant Growth Regulators - metabolism Plant Leaves - genetics Plant Leaves - growth & development Plant Leaves - physiology Plant physiology and development Plant Proteins - genetics Plant Proteins - metabolism Plants Plants, Genetically Modified Rice RNA Interference Seeds - cytology Seeds - genetics Seeds - growth & development Seeds - physiology Starch - analysis Starch - metabolism Starches transcription factors Transgenic plants |
title | Rice Cytokinin GATA Transcription Factor1 Regulates Chloroplast Development and Plant Architecture |
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