Gibberellin Acts Positively Then Negatively to Control Onset of Flower Formation in Arabidopsis
The switch to reproductive development is biphasic in many plants, a feature important for optimal pollination and yield. We show that dual opposite roles of the phytohormone gibberellin underpin this phenomenon in Arabidopsis. Although gibberellin promotes termination of vegetative development, it...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2014-05, Vol.344 (6184), p.638-641 |
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| creator | Yamaguchi, Nobutoshi Winter, Cara M. Wu, Miin-Feng Kanno, Yuri Yamaguchi, Ayako Seo, Mitsunori Wagner, Doris |
| description | The switch to reproductive development is biphasic in many plants, a feature important for optimal pollination and yield. We show that dual opposite roles of the phytohormone gibberellin underpin this phenomenon in Arabidopsis. Although gibberellin promotes termination of vegetative development, it inhibits flower formation. To overcome this effect, the transcription factor LEAFY induces expression of a gibberellin catabolism gene; consequently, increased LEAFY activity causes reduced gibberellin levels. This allows accumulation of gibberellin-sensitive DELLA proteins. The DELLA proteins are recruited by SQUAMOSA PROMOTER BINDING PROTEIN–LIKE transcription factors to regulatory regions of the floral commitment gene APETALA1 and promote APETALA1 up-regulation and floral fate synergistically with LEAFY. The two opposing functions of gibberellin may facilitate evolutionary and environmental modulation of plant inflorescence architecture. |
| doi_str_mv | 10.1126/science.1250498 |
| format | Article |
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We show that dual opposite roles of the phytohormone gibberellin underpin this phenomenon in Arabidopsis. Although gibberellin promotes termination of vegetative development, it inhibits flower formation. To overcome this effect, the transcription factor LEAFY induces expression of a gibberellin catabolism gene; consequently, increased LEAFY activity causes reduced gibberellin levels. This allows accumulation of gibberellin-sensitive DELLA proteins. The DELLA proteins are recruited by SQUAMOSA PROMOTER BINDING PROTEIN–LIKE transcription factors to regulatory regions of the floral commitment gene APETALA1 and promote APETALA1 up-regulation and floral fate synergistically with LEAFY. The two opposing functions of gibberellin may facilitate evolutionary and environmental modulation of plant inflorescence architecture.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1250498</identifier><identifier>PMID: 24812402</identifier><identifier>CODEN: SCIEAS</identifier><language>eng</language><publisher>United States: American Association for the Advancement of Science</publisher><subject>Arabidopsis - genetics ; Arabidopsis - growth & development ; Arabidopsis - metabolism ; Arabidopsis Proteins - metabolism ; Biosynthesis ; Elongin ; Flowers ; Flowers & plants ; Flowers - genetics ; Flowers - growth & development ; Flowers - metabolism ; Gene expression ; Gibberellins ; Gibberellins - metabolism ; Gibberellins - pharmacology ; Gibberellins - physiology ; Inflorescences ; Leaves ; MADS Domain Proteins - metabolism ; Plant cells ; Plant reproduction ; Proteins ; T lymphocytes ; T tests ; Transcription Factors - genetics ; Transcription Factors - metabolism ; Up-Regulation ; Vegetation</subject><ispartof>Science (American Association for the Advancement of Science), 2014-05, Vol.344 (6184), p.638-641</ispartof><rights>Copyright © 2014 American Association for the Advancement of Science</rights><rights>Copyright © 2014, American Association for the Advancement of Science</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c347t-c610f764c2a5935838416c70eedbb7c55c1e09eaa276d920c3062821b9c7ad4b3</citedby><cites>FETCH-LOGICAL-c347t-c610f764c2a5935838416c70eedbb7c55c1e09eaa276d920c3062821b9c7ad4b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/24743882$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/24743882$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,2871,2872,27901,27902,57992,58225</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24812402$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yamaguchi, Nobutoshi</creatorcontrib><creatorcontrib>Winter, Cara M.</creatorcontrib><creatorcontrib>Wu, Miin-Feng</creatorcontrib><creatorcontrib>Kanno, Yuri</creatorcontrib><creatorcontrib>Yamaguchi, Ayako</creatorcontrib><creatorcontrib>Seo, Mitsunori</creatorcontrib><creatorcontrib>Wagner, Doris</creatorcontrib><title>Gibberellin Acts Positively Then Negatively to Control Onset of Flower Formation in Arabidopsis</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>The switch to reproductive development is biphasic in many plants, a feature important for optimal pollination and yield. 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The two opposing functions of gibberellin may facilitate evolutionary and environmental modulation of plant inflorescence architecture.</description><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - growth & development</subject><subject>Arabidopsis - metabolism</subject><subject>Arabidopsis Proteins - metabolism</subject><subject>Biosynthesis</subject><subject>Elongin</subject><subject>Flowers</subject><subject>Flowers & plants</subject><subject>Flowers - genetics</subject><subject>Flowers - growth & development</subject><subject>Flowers - metabolism</subject><subject>Gene expression</subject><subject>Gibberellins</subject><subject>Gibberellins - metabolism</subject><subject>Gibberellins - pharmacology</subject><subject>Gibberellins - physiology</subject><subject>Inflorescences</subject><subject>Leaves</subject><subject>MADS Domain Proteins - metabolism</subject><subject>Plant cells</subject><subject>Plant reproduction</subject><subject>Proteins</subject><subject>T lymphocytes</subject><subject>T tests</subject><subject>Transcription Factors - genetics</subject><subject>Transcription Factors - metabolism</subject><subject>Up-Regulation</subject><subject>Vegetation</subject><issn>0036-8075</issn><issn>1095-9203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkM1LAzEQxYMotlbPnpSAFy_b5ms32WMptgrFeqjnJZudasp2U5Ot0v_elK4inoZhfvN47yF0TcmQUpaNgrHQGBhSlhKRqxPUpyRPk5wRfor6hPAsUUSmPXQRwpqQeMv5OeoxoSgThPVRMbNlCR7q2jZ4bNqAX1ywrf2Eeo-X79DgZ3jT3d46PHFN612NF02AFrsVntbuCzyeOr-JmGvwQcfr0lZuG2y4RGcrXQe46uYAvU4flpPHZL6YPU3G88RwIdvEZJSsZCYM09FhqrgSNDOSAFRlKU2aGgokB62ZzKqYznCSMcVomRupK1HyAbo_6m69-9hBaIuNDSbG0g24XShoyrggMTKL6N0_dO12vonuDhSTLFXRwACNjpTxLgQPq2Lr7Ub7fUFJcei-6Lovuu7jx22nuys3UP3yP2VH4OYIrEPr_J-7FFwpxr8B-uOJ0g</recordid><startdate>20140509</startdate><enddate>20140509</enddate><creator>Yamaguchi, Nobutoshi</creator><creator>Winter, Cara M.</creator><creator>Wu, Miin-Feng</creator><creator>Kanno, Yuri</creator><creator>Yamaguchi, Ayako</creator><creator>Seo, Mitsunori</creator><creator>Wagner, Doris</creator><general>American Association for the Advancement of Science</general><general>The American Association for the Advancement of Science</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>7QF</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SN</scope><scope>7SP</scope><scope>7SR</scope><scope>7SS</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7TK</scope><scope>7TM</scope><scope>7U5</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>20140509</creationdate><title>Gibberellin Acts Positively Then Negatively to Control Onset of Flower Formation in Arabidopsis</title><author>Yamaguchi, Nobutoshi ; Winter, Cara M. ; Wu, Miin-Feng ; Kanno, Yuri ; Yamaguchi, Ayako ; Seo, Mitsunori ; Wagner, Doris</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c347t-c610f764c2a5935838416c70eedbb7c55c1e09eaa276d920c3062821b9c7ad4b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Arabidopsis - genetics</topic><topic>Arabidopsis - growth & development</topic><topic>Arabidopsis - metabolism</topic><topic>Arabidopsis Proteins - metabolism</topic><topic>Biosynthesis</topic><topic>Elongin</topic><topic>Flowers</topic><topic>Flowers & plants</topic><topic>Flowers - genetics</topic><topic>Flowers - growth & development</topic><topic>Flowers - metabolism</topic><topic>Gene expression</topic><topic>Gibberellins</topic><topic>Gibberellins - metabolism</topic><topic>Gibberellins - pharmacology</topic><topic>Gibberellins - physiology</topic><topic>Inflorescences</topic><topic>Leaves</topic><topic>MADS Domain Proteins - metabolism</topic><topic>Plant cells</topic><topic>Plant reproduction</topic><topic>Proteins</topic><topic>T lymphocytes</topic><topic>T tests</topic><topic>Transcription Factors - genetics</topic><topic>Transcription Factors - metabolism</topic><topic>Up-Regulation</topic><topic>Vegetation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yamaguchi, Nobutoshi</creatorcontrib><creatorcontrib>Winter, Cara M.</creatorcontrib><creatorcontrib>Wu, Miin-Feng</creatorcontrib><creatorcontrib>Kanno, Yuri</creatorcontrib><creatorcontrib>Yamaguchi, Ayako</creatorcontrib><creatorcontrib>Seo, Mitsunori</creatorcontrib><creatorcontrib>Wagner, Doris</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Ecology Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - 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We show that dual opposite roles of the phytohormone gibberellin underpin this phenomenon in Arabidopsis. Although gibberellin promotes termination of vegetative development, it inhibits flower formation. To overcome this effect, the transcription factor LEAFY induces expression of a gibberellin catabolism gene; consequently, increased LEAFY activity causes reduced gibberellin levels. This allows accumulation of gibberellin-sensitive DELLA proteins. The DELLA proteins are recruited by SQUAMOSA PROMOTER BINDING PROTEIN–LIKE transcription factors to regulatory regions of the floral commitment gene APETALA1 and promote APETALA1 up-regulation and floral fate synergistically with LEAFY. The two opposing functions of gibberellin may facilitate evolutionary and environmental modulation of plant inflorescence architecture.</abstract><cop>United States</cop><pub>American Association for the Advancement of Science</pub><pmid>24812402</pmid><doi>10.1126/science.1250498</doi><tpages>4</tpages></addata></record> |
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| ispartof | Science (American Association for the Advancement of Science), 2014-05, Vol.344 (6184), p.638-641 |
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| subjects | Arabidopsis - genetics Arabidopsis - growth & development Arabidopsis - metabolism Arabidopsis Proteins - metabolism Biosynthesis Elongin Flowers Flowers & plants Flowers - genetics Flowers - growth & development Flowers - metabolism Gene expression Gibberellins Gibberellins - metabolism Gibberellins - pharmacology Gibberellins - physiology Inflorescences Leaves MADS Domain Proteins - metabolism Plant cells Plant reproduction Proteins T lymphocytes T tests Transcription Factors - genetics Transcription Factors - metabolism Up-Regulation Vegetation |
| title | Gibberellin Acts Positively Then Negatively to Control Onset of Flower Formation in Arabidopsis |
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