Arabidopsis floral meristem identity genes AP1, AGL24 and SVP directly repress class B and C floral homeotic genes
During the initial stages of flower development, floral meristems increase in size without the formation of floral organs. When a critical meristem size is reached, the floral meristem begins to develop the floral organs. The first stages of flower development are characterized by the expression of...
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| Veröffentlicht in: | The Plant journal : for cell and molecular biology 2009-11, Vol.60 (4), p.626-637 |
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| creator | Gregis, Veronica Sessa, Alice Dorca-Fornell, Carmen Kater, Martin M |
| description | During the initial stages of flower development, floral meristems increase in size without the formation of floral organs. When a critical meristem size is reached, the floral meristem begins to develop the floral organs. The first stages of flower development are characterized by the expression of genes such as APETALA 1 (AP1), CAULIFLOWER (CAL), AGAMOUS-LIKE 24 (AGL24) and SHORT VEGETATIVE PHASE (SVP). We have shown that AP1, AGL24 and SVP act redundantly to control the identity of the floral meristem and to repress expression of class B, C and E genes. Recently, it was shown that class E gene repression was direct and established by two independent pathways. We show here that repression of class B and C genes is also directly established by a co-repressor complex that comprises LEUNIG (LUG), SEUSS (SEU) and the MADS box dimers AP1-AGL24 and AP1-SVP. Furthermore, we show that the distantly related SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) MADS box gene can complement for the loss of AGL24 and SVP activity; however, under normal conditions, this transcription factor does not play a role during the early stages of flower development. |
| doi_str_mv | 10.1111/j.1365-313x.2009.03985.x |
| format | Article |
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When a critical meristem size is reached, the floral meristem begins to develop the floral organs. The first stages of flower development are characterized by the expression of genes such as APETALA 1 (AP1), CAULIFLOWER (CAL), AGAMOUS-LIKE 24 (AGL24) and SHORT VEGETATIVE PHASE (SVP). We have shown that AP1, AGL24 and SVP act redundantly to control the identity of the floral meristem and to repress expression of class B, C and E genes. Recently, it was shown that class E gene repression was direct and established by two independent pathways. We show here that repression of class B and C genes is also directly established by a co-repressor complex that comprises LEUNIG (LUG), SEUSS (SEU) and the MADS box dimers AP1-AGL24 and AP1-SVP. Furthermore, we show that the distantly related SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) MADS box gene can complement for the loss of AGL24 and SVP activity; however, under normal conditions, this transcription factor does not play a role during the early stages of flower development.</description><identifier>ISSN: 0960-7412</identifier><identifier>EISSN: 1365-313X</identifier><identifier>DOI: 10.1111/j.1365-313x.2009.03985.x</identifier><identifier>PMID: 19656343</identifier><language>eng</language><publisher>Oxford, UK: Oxford, UK : Blackwell Publishing Ltd</publisher><subject>Arabidopsis - genetics ; Arabidopsis - growth & development ; Arabidopsis - metabolism ; Arabidopsis Proteins - genetics ; Arabidopsis Proteins - metabolism ; Biological and medical sciences ; Botany ; Chromatin Immunoprecipitation ; Developmental biology ; DNA, Plant - genetics ; floral meristem ; flower development ; flowering ; Flowers & plants ; Flowers - genetics ; Flowers - growth & development ; Fundamental and applied biological sciences. Psychology ; Gene expression ; Gene Expression Regulation, Developmental ; Gene Expression Regulation, Plant ; gene regulation ; MADS box ; MADS Domain Proteins - genetics ; MADS Domain Proteins - metabolism ; Meristem - genetics ; Meristem - metabolism ; Plant physiology and development ; SCO1 ; Size ; Transcription Factors - genetics ; Transcription Factors - metabolism</subject><ispartof>The Plant journal : for cell and molecular biology, 2009-11, Vol.60 (4), p.626-637</ispartof><rights>2009 The Authors. 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When a critical meristem size is reached, the floral meristem begins to develop the floral organs. The first stages of flower development are characterized by the expression of genes such as APETALA 1 (AP1), CAULIFLOWER (CAL), AGAMOUS-LIKE 24 (AGL24) and SHORT VEGETATIVE PHASE (SVP). We have shown that AP1, AGL24 and SVP act redundantly to control the identity of the floral meristem and to repress expression of class B, C and E genes. Recently, it was shown that class E gene repression was direct and established by two independent pathways. We show here that repression of class B and C genes is also directly established by a co-repressor complex that comprises LEUNIG (LUG), SEUSS (SEU) and the MADS box dimers AP1-AGL24 and AP1-SVP. Furthermore, we show that the distantly related SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) MADS box gene can complement for the loss of AGL24 and SVP activity; however, under normal conditions, this transcription factor does not play a role during the early stages of flower development.</description><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - growth & development</subject><subject>Arabidopsis - metabolism</subject><subject>Arabidopsis Proteins - genetics</subject><subject>Arabidopsis Proteins - metabolism</subject><subject>Biological and medical sciences</subject><subject>Botany</subject><subject>Chromatin Immunoprecipitation</subject><subject>Developmental biology</subject><subject>DNA, Plant - genetics</subject><subject>floral meristem</subject><subject>flower development</subject><subject>flowering</subject><subject>Flowers & plants</subject><subject>Flowers - genetics</subject><subject>Flowers - growth & development</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene expression</subject><subject>Gene Expression Regulation, Developmental</subject><subject>Gene Expression Regulation, Plant</subject><subject>gene regulation</subject><subject>MADS box</subject><subject>MADS Domain Proteins - genetics</subject><subject>MADS Domain Proteins - metabolism</subject><subject>Meristem - genetics</subject><subject>Meristem - metabolism</subject><subject>Plant physiology and development</subject><subject>SCO1</subject><subject>Size</subject><subject>Transcription Factors - genetics</subject><subject>Transcription Factors - metabolism</subject><issn>0960-7412</issn><issn>1365-313X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkl2LEzEUhoMobq3-BQ2CeOOMJ18zkwsvatFVKVjYXfEuZJLMmjIfNZli--_N7HQVvDKEnECe9-Vw3iCECeQkrbe7nLBCZIywY04BZA5MViI_PkCL-4fvD9ECZAFZyQm9QE9i3AGQkhX8MbogshAF42yBwiro2tthH33ETTsE3eLOBR9H12FvXT_68YRvXe8iXm3JG7y63FCOdW_x1bcttj44M7YnHNw-uBixaXU6398B63vDH0PnhtGb2ecpetToNrpn57pENx8_XK8_ZZuvl5_Xq01mBBEi4yBNI21hgQOvKkIMr6Tj1takhtLyQkgjqKPgNAVaVqKuwNqCkzQPIWrDluj17LsPw8-Di6PqfDSubXXvhkNUJeOEU0FlIl_-Q-6GQ-hTc4oSxiVnaS9RNUMmDDEG16h98J0OJ0VATamonZqGr6bhqykVdZeKOibp87P_oe6c_Ss8x5CAV2dAR6PbJuje-PiHo5RwSaVI3LuZ--Vbd_rvBtT19st0S_oXs77Rg9K3KWZ1c0WBsPQzgEIJ7DfGHK82</recordid><startdate>200911</startdate><enddate>200911</enddate><creator>Gregis, Veronica</creator><creator>Sessa, Alice</creator><creator>Dorca-Fornell, Carmen</creator><creator>Kater, Martin M</creator><general>Oxford, UK : Blackwell Publishing Ltd</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>FBQ</scope><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>7QO</scope><scope>7QP</scope><scope>7QR</scope><scope>7TM</scope><scope>8FD</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>200911</creationdate><title>Arabidopsis floral meristem identity genes AP1, AGL24 and SVP directly repress class B and C floral homeotic genes</title><author>Gregis, Veronica ; Sessa, Alice ; Dorca-Fornell, Carmen ; Kater, Martin M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5155-409cf9d6d04048811c489e4ddb1b07d4659c52e20ea202785b80dd64100955bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Arabidopsis - genetics</topic><topic>Arabidopsis - growth & development</topic><topic>Arabidopsis - metabolism</topic><topic>Arabidopsis Proteins - genetics</topic><topic>Arabidopsis Proteins - metabolism</topic><topic>Biological and medical sciences</topic><topic>Botany</topic><topic>Chromatin Immunoprecipitation</topic><topic>Developmental biology</topic><topic>DNA, Plant - genetics</topic><topic>floral meristem</topic><topic>flower development</topic><topic>flowering</topic><topic>Flowers & plants</topic><topic>Flowers - genetics</topic><topic>Flowers - growth & development</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene expression</topic><topic>Gene Expression Regulation, Developmental</topic><topic>Gene Expression Regulation, Plant</topic><topic>gene regulation</topic><topic>MADS box</topic><topic>MADS Domain Proteins - genetics</topic><topic>MADS Domain Proteins - metabolism</topic><topic>Meristem - genetics</topic><topic>Meristem - metabolism</topic><topic>Plant physiology and development</topic><topic>SCO1</topic><topic>Size</topic><topic>Transcription Factors - genetics</topic><topic>Transcription Factors - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gregis, Veronica</creatorcontrib><creatorcontrib>Sessa, Alice</creatorcontrib><creatorcontrib>Dorca-Fornell, Carmen</creatorcontrib><creatorcontrib>Kater, Martin M</creatorcontrib><collection>AGRIS</collection><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>Biotechnology Research Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>The Plant journal : for cell and molecular biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gregis, Veronica</au><au>Sessa, Alice</au><au>Dorca-Fornell, Carmen</au><au>Kater, Martin M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Arabidopsis floral meristem identity genes AP1, AGL24 and SVP directly repress class B and C floral homeotic genes</atitle><jtitle>The Plant journal : for cell and molecular biology</jtitle><addtitle>Plant J</addtitle><date>2009-11</date><risdate>2009</risdate><volume>60</volume><issue>4</issue><spage>626</spage><epage>637</epage><pages>626-637</pages><issn>0960-7412</issn><eissn>1365-313X</eissn><abstract>During the initial stages of flower development, floral meristems increase in size without the formation of floral organs. When a critical meristem size is reached, the floral meristem begins to develop the floral organs. The first stages of flower development are characterized by the expression of genes such as APETALA 1 (AP1), CAULIFLOWER (CAL), AGAMOUS-LIKE 24 (AGL24) and SHORT VEGETATIVE PHASE (SVP). We have shown that AP1, AGL24 and SVP act redundantly to control the identity of the floral meristem and to repress expression of class B, C and E genes. Recently, it was shown that class E gene repression was direct and established by two independent pathways. We show here that repression of class B and C genes is also directly established by a co-repressor complex that comprises LEUNIG (LUG), SEUSS (SEU) and the MADS box dimers AP1-AGL24 and AP1-SVP. Furthermore, we show that the distantly related SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) MADS box gene can complement for the loss of AGL24 and SVP activity; however, under normal conditions, this transcription factor does not play a role during the early stages of flower development.</abstract><cop>Oxford, UK</cop><pub>Oxford, UK : Blackwell Publishing Ltd</pub><pmid>19656343</pmid><doi>10.1111/j.1365-313x.2009.03985.x</doi><tpages>12</tpages></addata></record> |
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| subjects | Arabidopsis - genetics Arabidopsis - growth & development Arabidopsis - metabolism Arabidopsis Proteins - genetics Arabidopsis Proteins - metabolism Biological and medical sciences Botany Chromatin Immunoprecipitation Developmental biology DNA, Plant - genetics floral meristem flower development flowering Flowers & plants Flowers - genetics Flowers - growth & development Fundamental and applied biological sciences. Psychology Gene expression Gene Expression Regulation, Developmental Gene Expression Regulation, Plant gene regulation MADS box MADS Domain Proteins - genetics MADS Domain Proteins - metabolism Meristem - genetics Meristem - metabolism Plant physiology and development SCO1 Size Transcription Factors - genetics Transcription Factors - metabolism |
| title | Arabidopsis floral meristem identity genes AP1, AGL24 and SVP directly repress class B and C floral homeotic genes |
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