HD-ZIP IV transcription factor OCL4 is necessary for trichome patterning and anther development in maize
Among the genes controlling the differentiation and maintenance of epidermal cell fate are members of the HD-ZIP IV class family of plant-specific transcription factors, most of which are specifically expressed in the epidermis of tissues. Here, we report the functional analysis of the maize HD-ZIP...
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| creator | Vernoud, Vanessa Laigle, Guillaume Rozier, Frédérique Meeley, Robert B Perez, Pascual Rogowsky, Peter M |
| description | Among the genes controlling the differentiation and maintenance of epidermal cell fate are members of the HD-ZIP IV class family of plant-specific transcription factors, most of which are specifically expressed in the epidermis of tissues. Here, we report the functional analysis of the maize HD-ZIP IV gene OCL4 (outer cell layer 4) via the phenotypic analysis of two insertional mutants, and of OCL4-RNAi transgenic plants. In all three materials, the macrohairs, one of the three types of trichomes present on adult maize leaf blades, developed ectopically at the margin of juvenile and adult leaves. Consistent with this phenotype, OCL4 is expressed in the epidermis of the leaf blade, with a maximum at the margin of young leaf primordia. Expression of OCL4 in the model plant Arabidopsis under the control of the GLABRA2 (GL2) promoter, a member of the Arabidopsis HD-ZIP IV family involved in trichome differentiation, did not complement the gl2-1 mutant, but instead aggravated its phenotype. The construct also caused a glabrous appearance of rosette leaves in transformed control plants of the Ler ecotype, suggesting that OCL4 inhibits trichome development both in maize and Arabidopsis. Furthermore, insertional mutants showed a partial male sterility that is likely to result from the presence of an extra subepidermal cell layer with endothecium characteristics in the anther wall. Interestingly, the epidermis-specific OCL4 expression in immature anthers was restricted to the region of the anther locule where the extra cell layer differentiated. Taken together these results suggest that OCL4 inhibits trichome development and influences division and/or differentiation of the anther cell wall. |
| doi_str_mv | 10.1111/j.1365-313X.2009.03916.x |
| format | Article |
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Here, we report the functional analysis of the maize HD-ZIP IV gene OCL4 (outer cell layer 4) via the phenotypic analysis of two insertional mutants, and of OCL4-RNAi transgenic plants. In all three materials, the macrohairs, one of the three types of trichomes present on adult maize leaf blades, developed ectopically at the margin of juvenile and adult leaves. Consistent with this phenotype, OCL4 is expressed in the epidermis of the leaf blade, with a maximum at the margin of young leaf primordia. Expression of OCL4 in the model plant Arabidopsis under the control of the GLABRA2 (GL2) promoter, a member of the Arabidopsis HD-ZIP IV family involved in trichome differentiation, did not complement the gl2-1 mutant, but instead aggravated its phenotype. The construct also caused a glabrous appearance of rosette leaves in transformed control plants of the Ler ecotype, suggesting that OCL4 inhibits trichome development both in maize and Arabidopsis. Furthermore, insertional mutants showed a partial male sterility that is likely to result from the presence of an extra subepidermal cell layer with endothecium characteristics in the anther wall. Interestingly, the epidermis-specific OCL4 expression in immature anthers was restricted to the region of the anther locule where the extra cell layer differentiated. Taken together these results suggest that OCL4 inhibits trichome development and influences division and/or differentiation of the anther cell wall.</description><identifier>ISSN: 0960-7412</identifier><identifier>EISSN: 1365-313X</identifier><identifier>DOI: 10.1111/j.1365-313X.2009.03916.x</identifier><identifier>PMID: 19453441</identifier><language>eng</language><publisher>Oxford, UK: Oxford, UK : Blackwell Publishing Ltd</publisher><subject><![CDATA[anther ; Arabidopsis ; Arabidopsis - genetics ; Arabidopsis - growth & development ; Arabidopsis - metabolism ; Arabidopsis thaliana ; Biological and medical sciences ; Botany ; Cloning, Molecular ; Corn ; Flowers - genetics ; Flowers - growth & development ; Fundamental and applied biological sciences. Psychology ; Gene Expression Regulation, Developmental ; Gene Expression Regulation, Plant ; Genetics ; Genotype & phenotype ; Homeodomain Proteins - genetics ; Homeodomain Proteins - metabolism ; Leucine Zippers ; Life Sciences ; macrohair ; Mutagenesis, Insertional ; Mutation ; Phenotype ; Plant Leaves - genetics ; Plant Leaves - growth & development ; Plant physiology and development ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Plants, Genetically Modified - genetics ; Plants, Genetically Modified - growth & development ; Plants, Genetically Modified - metabolism ; RNA, Plant - genetics ; Transcription Factors - genetics ; Transcription Factors - metabolism ; trichome ; trichomes ; Vegetal Biology ; Zea mays ; Zea mays - genetics ; Zea mays - growth & development ; Zea mays - metabolism]]></subject><ispartof>The Plant journal : for cell and molecular biology, 2009-09, Vol.59 (6), p.883-894</ispartof><rights>2009 The Authors. Journal compilation © 2009 Blackwell Publishing Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Journal compilation © 2009 Blackwell Publishing Ltd and the Society for Experimental Biology</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c6846-ba35a20fe4b523ab97f006dcf12b4fe1144fc2ff463d8aafe7cb43db5b20bb4e3</citedby><cites>FETCH-LOGICAL-c6846-ba35a20fe4b523ab97f006dcf12b4fe1144fc2ff463d8aafe7cb43db5b20bb4e3</cites><orcidid>0000-0001-5120-1214 ; 0000-0001-6584-3314 ; 0000-0003-4822-3783</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1365-313X.2009.03916.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1365-313X.2009.03916.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,780,784,885,1417,1433,27924,27925,45574,45575,46409,46833</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21929206$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19453441$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00521471$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Vernoud, Vanessa</creatorcontrib><creatorcontrib>Laigle, Guillaume</creatorcontrib><creatorcontrib>Rozier, Frédérique</creatorcontrib><creatorcontrib>Meeley, Robert B</creatorcontrib><creatorcontrib>Perez, Pascual</creatorcontrib><creatorcontrib>Rogowsky, Peter M</creatorcontrib><title>HD-ZIP IV transcription factor OCL4 is necessary for trichome patterning and anther development in maize</title><title>The Plant journal : for cell and molecular biology</title><addtitle>Plant J</addtitle><description>Among the genes controlling the differentiation and maintenance of epidermal cell fate are members of the HD-ZIP IV class family of plant-specific transcription factors, most of which are specifically expressed in the epidermis of tissues. Here, we report the functional analysis of the maize HD-ZIP IV gene OCL4 (outer cell layer 4) via the phenotypic analysis of two insertional mutants, and of OCL4-RNAi transgenic plants. In all three materials, the macrohairs, one of the three types of trichomes present on adult maize leaf blades, developed ectopically at the margin of juvenile and adult leaves. Consistent with this phenotype, OCL4 is expressed in the epidermis of the leaf blade, with a maximum at the margin of young leaf primordia. Expression of OCL4 in the model plant Arabidopsis under the control of the GLABRA2 (GL2) promoter, a member of the Arabidopsis HD-ZIP IV family involved in trichome differentiation, did not complement the gl2-1 mutant, but instead aggravated its phenotype. The construct also caused a glabrous appearance of rosette leaves in transformed control plants of the Ler ecotype, suggesting that OCL4 inhibits trichome development both in maize and Arabidopsis. Furthermore, insertional mutants showed a partial male sterility that is likely to result from the presence of an extra subepidermal cell layer with endothecium characteristics in the anther wall. Interestingly, the epidermis-specific OCL4 expression in immature anthers was restricted to the region of the anther locule where the extra cell layer differentiated. Taken together these results suggest that OCL4 inhibits trichome development and influences division and/or differentiation of the anther cell wall.</description><subject>anther</subject><subject>Arabidopsis</subject><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - growth & development</subject><subject>Arabidopsis - metabolism</subject><subject>Arabidopsis thaliana</subject><subject>Biological and medical sciences</subject><subject>Botany</subject><subject>Cloning, Molecular</subject><subject>Corn</subject><subject>Flowers - genetics</subject><subject>Flowers - growth & development</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene Expression Regulation, Developmental</subject><subject>Gene Expression Regulation, Plant</subject><subject>Genetics</subject><subject>Genotype & phenotype</subject><subject>Homeodomain Proteins - genetics</subject><subject>Homeodomain Proteins - metabolism</subject><subject>Leucine Zippers</subject><subject>Life Sciences</subject><subject>macrohair</subject><subject>Mutagenesis, Insertional</subject><subject>Mutation</subject><subject>Phenotype</subject><subject>Plant Leaves - genetics</subject><subject>Plant Leaves - growth & development</subject><subject>Plant physiology and development</subject><subject>Plant Proteins - genetics</subject><subject>Plant Proteins - metabolism</subject><subject>Plants, Genetically Modified - genetics</subject><subject>Plants, Genetically Modified - growth & development</subject><subject>Plants, Genetically Modified - metabolism</subject><subject>RNA, Plant - genetics</subject><subject>Transcription Factors - genetics</subject><subject>Transcription Factors - metabolism</subject><subject>trichome</subject><subject>trichomes</subject><subject>Vegetal Biology</subject><subject>Zea mays</subject><subject>Zea mays - genetics</subject><subject>Zea mays - growth & development</subject><subject>Zea mays - 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>eNqNkV9rFDEUxYNY7Fr9ChoEBR9mzL-Z2Tz4UFbtriy0YCviS0gySTfLTDIms7X105txlxV8MhASbn7n3hMOABCjEuf1bltiWlcFxfRbSRDiJaIc1-X9IzA7PjwGM8RrVDQMk1PwNKUtQrihNXsCTjFnFWUMz8Bm-aH4vrqCq69wjNInHd0wuuChlXoMEV4u1gy6BL3RJiUZH6DN1TE6vQm9gYMcRxO987dQ-jbvcWMibM2d6cLQGz9C52Ev3S_zDJxY2SXz_HCegZtPH68Xy2J9ebFanK8LXc9ZXShJK0mQNUxVhErFG4tQ3WqLiWLWYMyY1cRaVtN2LqU1jVaMtqpSBCnFDD0Db_d9N7ITQ3R99iyCdGJ5vhZTDaGKYNbgO5zZN3t2iOHHzqRR9C5p03XSm7BLgiDOKOYkg6_-AbdhF33-hyCYMt4QSjM030M6hpSiscfxGIkpNrEVUzpiSkdMsYk_sYn7LH1x6L9TvWn_Cg85ZeD1AZBJy87mqLRLR45kk5ygOnPv99xP15mH_zYgrq8-T7esf7nXWxmEvI15xs0XgjBFuG6ainL6GxcTvA0</recordid><startdate>200909</startdate><enddate>200909</enddate><creator>Vernoud, Vanessa</creator><creator>Laigle, Guillaume</creator><creator>Rozier, Frédérique</creator><creator>Meeley, Robert B</creator><creator>Perez, Pascual</creator><creator>Rogowsky, Peter M</creator><general>Oxford, UK : Blackwell Publishing Ltd</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Wiley</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>1XC</scope><orcidid>https://orcid.org/0000-0001-5120-1214</orcidid><orcidid>https://orcid.org/0000-0001-6584-3314</orcidid><orcidid>https://orcid.org/0000-0003-4822-3783</orcidid></search><sort><creationdate>200909</creationdate><title>HD-ZIP IV transcription factor OCL4 is necessary for trichome patterning and anther development in maize</title><author>Vernoud, Vanessa ; Laigle, Guillaume ; Rozier, Frédérique ; Meeley, Robert B ; Perez, Pascual ; Rogowsky, Peter M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c6846-ba35a20fe4b523ab97f006dcf12b4fe1144fc2ff463d8aafe7cb43db5b20bb4e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>anther</topic><topic>Arabidopsis</topic><topic>Arabidopsis - genetics</topic><topic>Arabidopsis - growth & development</topic><topic>Arabidopsis - metabolism</topic><topic>Arabidopsis thaliana</topic><topic>Biological and medical sciences</topic><topic>Botany</topic><topic>Cloning, Molecular</topic><topic>Corn</topic><topic>Flowers - genetics</topic><topic>Flowers - growth & development</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene Expression Regulation, Developmental</topic><topic>Gene Expression Regulation, Plant</topic><topic>Genetics</topic><topic>Genotype & phenotype</topic><topic>Homeodomain Proteins - genetics</topic><topic>Homeodomain Proteins - metabolism</topic><topic>Leucine Zippers</topic><topic>Life Sciences</topic><topic>macrohair</topic><topic>Mutagenesis, Insertional</topic><topic>Mutation</topic><topic>Phenotype</topic><topic>Plant Leaves - genetics</topic><topic>Plant Leaves - growth & development</topic><topic>Plant physiology and development</topic><topic>Plant Proteins - genetics</topic><topic>Plant Proteins - metabolism</topic><topic>Plants, Genetically Modified - genetics</topic><topic>Plants, Genetically Modified - growth & development</topic><topic>Plants, Genetically Modified - metabolism</topic><topic>RNA, Plant - genetics</topic><topic>Transcription Factors - genetics</topic><topic>Transcription Factors - metabolism</topic><topic>trichome</topic><topic>trichomes</topic><topic>Vegetal Biology</topic><topic>Zea mays</topic><topic>Zea mays - genetics</topic><topic>Zea mays - growth & development</topic><topic>Zea mays - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vernoud, Vanessa</creatorcontrib><creatorcontrib>Laigle, Guillaume</creatorcontrib><creatorcontrib>Rozier, Frédérique</creatorcontrib><creatorcontrib>Meeley, Robert B</creatorcontrib><creatorcontrib>Perez, Pascual</creatorcontrib><creatorcontrib>Rogowsky, Peter 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>Hyper Article en Ligne (HAL)</collection><jtitle>The Plant journal : for cell and molecular biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vernoud, Vanessa</au><au>Laigle, Guillaume</au><au>Rozier, Frédérique</au><au>Meeley, Robert B</au><au>Perez, Pascual</au><au>Rogowsky, Peter M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>HD-ZIP IV transcription factor OCL4 is necessary for trichome patterning and anther development in maize</atitle><jtitle>The Plant journal : for cell and molecular biology</jtitle><addtitle>Plant J</addtitle><date>2009-09</date><risdate>2009</risdate><volume>59</volume><issue>6</issue><spage>883</spage><epage>894</epage><pages>883-894</pages><issn>0960-7412</issn><eissn>1365-313X</eissn><abstract>Among the genes controlling the differentiation and maintenance of epidermal cell fate are members of the HD-ZIP IV class family of plant-specific transcription factors, most of which are specifically expressed in the epidermis of tissues. Here, we report the functional analysis of the maize HD-ZIP IV gene OCL4 (outer cell layer 4) via the phenotypic analysis of two insertional mutants, and of OCL4-RNAi transgenic plants. In all three materials, the macrohairs, one of the three types of trichomes present on adult maize leaf blades, developed ectopically at the margin of juvenile and adult leaves. Consistent with this phenotype, OCL4 is expressed in the epidermis of the leaf blade, with a maximum at the margin of young leaf primordia. Expression of OCL4 in the model plant Arabidopsis under the control of the GLABRA2 (GL2) promoter, a member of the Arabidopsis HD-ZIP IV family involved in trichome differentiation, did not complement the gl2-1 mutant, but instead aggravated its phenotype. The construct also caused a glabrous appearance of rosette leaves in transformed control plants of the Ler ecotype, suggesting that OCL4 inhibits trichome development both in maize and Arabidopsis. Furthermore, insertional mutants showed a partial male sterility that is likely to result from the presence of an extra subepidermal cell layer with endothecium characteristics in the anther wall. Interestingly, the epidermis-specific OCL4 expression in immature anthers was restricted to the region of the anther locule where the extra cell layer differentiated. Taken together these results suggest that OCL4 inhibits trichome development and influences division and/or differentiation of the anther cell wall.</abstract><cop>Oxford, UK</cop><pub>Oxford, UK : Blackwell Publishing Ltd</pub><pmid>19453441</pmid><doi>10.1111/j.1365-313X.2009.03916.x</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-5120-1214</orcidid><orcidid>https://orcid.org/0000-0001-6584-3314</orcidid><orcidid>https://orcid.org/0000-0003-4822-3783</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | The Plant journal : for cell and molecular biology, 2009-09, Vol.59 (6), p.883-894 |
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| subjects | anther Arabidopsis Arabidopsis - genetics Arabidopsis - growth & development Arabidopsis - metabolism Arabidopsis thaliana Biological and medical sciences Botany Cloning, Molecular Corn Flowers - genetics Flowers - growth & development Fundamental and applied biological sciences. Psychology Gene Expression Regulation, Developmental Gene Expression Regulation, Plant Genetics Genotype & phenotype Homeodomain Proteins - genetics Homeodomain Proteins - metabolism Leucine Zippers Life Sciences macrohair Mutagenesis, Insertional Mutation Phenotype Plant Leaves - genetics Plant Leaves - growth & development Plant physiology and development Plant Proteins - genetics Plant Proteins - metabolism Plants, Genetically Modified - genetics Plants, Genetically Modified - growth & development Plants, Genetically Modified - metabolism RNA, Plant - genetics Transcription Factors - genetics Transcription Factors - metabolism trichome trichomes Vegetal Biology Zea mays Zea mays - genetics Zea mays - growth & development Zea mays - metabolism |
| title | HD-ZIP IV transcription factor OCL4 is necessary for trichome patterning and anther development in maize |
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