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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Veröffentlicht in:Plant physiology (Bethesda) 2013-05, Vol.162 (1), p.132-144
Hauptverfasser: Hudson, Darryl, Guevara, David R., Hand, Andrew J., Xu, Zhenhua, Hao, Lixin, Chen, Xi, Zhu, Tong, Bi, Yong-Mei, Rothstein, Steven J.
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container_issue 1
container_start_page 132
container_title Plant physiology (Bethesda)
container_volume 162
creator Hudson, Darryl
Guevara, David R.
Hand, Andrew J.
Xu, Zhenhua
Hao, Lixin
Chen, Xi
Zhu, Tong
Bi, Yong-Mei
Rothstein, Steven J.
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.
doi_str_mv 10.1104/pp.113.217265
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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 &amp; development ; Oryza - physiology ; Panicles ; Photosynthesis ; plant architecture ; Plant cells ; plant development ; Plant Growth Regulators - metabolism ; Plant Leaves - genetics ; Plant Leaves - growth &amp; 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 &amp; 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. 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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. 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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 &amp; 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 &amp; 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 &amp; 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 &amp; 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 &amp; 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 &amp; 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 &amp; 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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