Organ fusion and defective shoot development in oni3 mutants of rice
Maintenance of organ separation is one of the essential phenomena for normal plant development. We have identified and analyzed ONION3 (ONI3), which is required for avoiding organ fusions in rice. Loss-of-function mutations of ONI3, which were identified as mutants with ectopic expression of KNOX ge...
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| Veröffentlicht in: | Plant and cell physiology 2014-01, Vol.55 (1), p.42-51 |
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| creator | Akiba, Takafumi Hibara, Ken-Ichiro Kimura, Fumiko Tsuda, Katsutoshi Shibata, Kiko Ishibashi, Mayu Moriya, Chihiro Nakagawa, Kiyotaka Kurata, Nori Itoh, Jun-Ichi Ito, Yukihiro |
| description | Maintenance of organ separation is one of the essential phenomena for normal plant development. We have identified and analyzed ONION3 (ONI3), which is required for avoiding organ fusions in rice. Loss-of-function mutations of ONI3, which were identified as mutants with ectopic expression of KNOX genes in leaves and morphologically resembling KNOX overexpressors, showed abnormal organ fusions in developing shoots. The mutant seedlings showed fusions between neighboring organs and also within an organ; they stopped growing soon after germination and subsequently died. ONI3 was shown to encode an enzyme that is most similar to Arabidopsis HOTHEAD and is involved in biosynthesis of long-chain fatty acids. Expression analyses showed that ONI3 was specifically expressed in the outermost cell layer in the shoot apex throughout life cycle, and the oni3 mutants had an aberrant outermost cell layer. Our results together with previous studies suggest that long-chain fatty acids are required for avoiding organ fusions and promoting normal shoot development in rice. |
| doi_str_mv | 10.1093/pcp/pct154 |
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We have identified and analyzed ONION3 (ONI3), which is required for avoiding organ fusions in rice. Loss-of-function mutations of ONI3, which were identified as mutants with ectopic expression of KNOX genes in leaves and morphologically resembling KNOX overexpressors, showed abnormal organ fusions in developing shoots. The mutant seedlings showed fusions between neighboring organs and also within an organ; they stopped growing soon after germination and subsequently died. ONI3 was shown to encode an enzyme that is most similar to Arabidopsis HOTHEAD and is involved in biosynthesis of long-chain fatty acids. Expression analyses showed that ONI3 was specifically expressed in the outermost cell layer in the shoot apex throughout life cycle, and the oni3 mutants had an aberrant outermost cell layer. Our results together with previous studies suggest that long-chain fatty acids are required for avoiding organ fusions and promoting normal shoot development in rice.</description><identifier>ISSN: 0032-0781</identifier><identifier>EISSN: 1471-9053</identifier><identifier>DOI: 10.1093/pcp/pct154</identifier><identifier>PMID: 24192297</identifier><language>eng</language><publisher>Japan: Oxford University Press</publisher><subject>Arabidopsis ; biosynthesis ; Cloning, Molecular ; Fatty Acids - metabolism ; Gene Expression Regulation, Plant ; genes ; Genes, Plant ; germination ; Indoleacetic Acids - metabolism ; leaves ; long chain fatty acids ; mutants ; Mutation - genetics ; Organogenesis - genetics ; Oryza - genetics ; Oryza - growth & development ; plant development ; Plant Epidermis - cytology ; Plant Epidermis - metabolism ; Plant Leaves - anatomy & histology ; Plant Leaves - ultrastructure ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Plant Roots - anatomy & histology ; Plant Shoots - genetics ; Plant Shoots - growth & development ; Regular Papers ; rice ; seedlings ; Sequence Analysis, Protein ; shoots ; Waxes - metabolism</subject><ispartof>Plant and cell physiology, 2014-01, Vol.55 (1), p.42-51</ispartof><rights>The Author 2013. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c504t-8e937c79c5036c6fea1656e9a9f615a93ce45a300e67950b2eeaf84100157c893</citedby><cites>FETCH-LOGICAL-c504t-8e937c79c5036c6fea1656e9a9f615a93ce45a300e67950b2eeaf84100157c893</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,777,781,882,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24192297$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Akiba, Takafumi</creatorcontrib><creatorcontrib>Hibara, Ken-Ichiro</creatorcontrib><creatorcontrib>Kimura, Fumiko</creatorcontrib><creatorcontrib>Tsuda, Katsutoshi</creatorcontrib><creatorcontrib>Shibata, Kiko</creatorcontrib><creatorcontrib>Ishibashi, Mayu</creatorcontrib><creatorcontrib>Moriya, Chihiro</creatorcontrib><creatorcontrib>Nakagawa, Kiyotaka</creatorcontrib><creatorcontrib>Kurata, Nori</creatorcontrib><creatorcontrib>Itoh, Jun-Ichi</creatorcontrib><creatorcontrib>Ito, Yukihiro</creatorcontrib><title>Organ fusion and defective shoot development in oni3 mutants of rice</title><title>Plant and cell physiology</title><addtitle>Plant Cell Physiol</addtitle><description>Maintenance of organ separation is one of the essential phenomena for normal plant development. We have identified and analyzed ONION3 (ONI3), which is required for avoiding organ fusions in rice. Loss-of-function mutations of ONI3, which were identified as mutants with ectopic expression of KNOX genes in leaves and morphologically resembling KNOX overexpressors, showed abnormal organ fusions in developing shoots. The mutant seedlings showed fusions between neighboring organs and also within an organ; they stopped growing soon after germination and subsequently died. ONI3 was shown to encode an enzyme that is most similar to Arabidopsis HOTHEAD and is involved in biosynthesis of long-chain fatty acids. Expression analyses showed that ONI3 was specifically expressed in the outermost cell layer in the shoot apex throughout life cycle, and the oni3 mutants had an aberrant outermost cell layer. Our results together with previous studies suggest that long-chain fatty acids are required for avoiding organ fusions and promoting normal shoot development in rice.</description><subject>Arabidopsis</subject><subject>biosynthesis</subject><subject>Cloning, Molecular</subject><subject>Fatty Acids - metabolism</subject><subject>Gene Expression Regulation, Plant</subject><subject>genes</subject><subject>Genes, Plant</subject><subject>germination</subject><subject>Indoleacetic Acids - metabolism</subject><subject>leaves</subject><subject>long chain fatty acids</subject><subject>mutants</subject><subject>Mutation - genetics</subject><subject>Organogenesis - genetics</subject><subject>Oryza - genetics</subject><subject>Oryza - growth & development</subject><subject>plant development</subject><subject>Plant Epidermis - cytology</subject><subject>Plant Epidermis - metabolism</subject><subject>Plant Leaves - anatomy & histology</subject><subject>Plant Leaves - ultrastructure</subject><subject>Plant Proteins - genetics</subject><subject>Plant Proteins - metabolism</subject><subject>Plant Roots - anatomy & histology</subject><subject>Plant Shoots - genetics</subject><subject>Plant Shoots - growth & development</subject><subject>Regular Papers</subject><subject>rice</subject><subject>seedlings</subject><subject>Sequence Analysis, Protein</subject><subject>shoots</subject><subject>Waxes - metabolism</subject><issn>0032-0781</issn><issn>1471-9053</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1LxDAQhoMo7rp68QdIjiJUJ03aNBdB1k9Y2IueQ8xO3Uib1KZd8N8bWRU9eRhmhnl4mZmXkGMG5wwUv-hsl2JghdghUyYkyxQUfJdMAXiegazYhBzE-AqQag77ZJILpvJcySm5XvYvxtN6jC54avyKrrBGO7gN0rgOYUj9BpvQtegH6jwN3nHajoPxQ6Shpr2zeEj2atNEPPrKM_J0e_M4v88Wy7uH-dUiswWIIatQcWmlSh0vbVmjYWVRojKqLllhFLcoCsMBsJSqgOcc0dSVYACskLZSfEYut7rd-NziyqaVetPornet6d91ME7_nXi31i9ho3mlhIRPgdMvgT68jRgH3bposWmMxzBGnacXCSjTd_5FmVAgQVRSJPRsi9o-xNhj_bMRA_3pkE4O6a1DCT75fcMP-m0J_wDtCo0N</recordid><startdate>20140101</startdate><enddate>20140101</enddate><creator>Akiba, Takafumi</creator><creator>Hibara, Ken-Ichiro</creator><creator>Kimura, Fumiko</creator><creator>Tsuda, Katsutoshi</creator><creator>Shibata, Kiko</creator><creator>Ishibashi, Mayu</creator><creator>Moriya, Chihiro</creator><creator>Nakagawa, Kiyotaka</creator><creator>Kurata, Nori</creator><creator>Itoh, Jun-Ichi</creator><creator>Ito, Yukihiro</creator><general>Oxford University Press</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>7X8</scope><scope>7S9</scope><scope>L.6</scope><scope>5PM</scope></search><sort><creationdate>20140101</creationdate><title>Organ fusion and defective shoot development in oni3 mutants of rice</title><author>Akiba, Takafumi ; Hibara, Ken-Ichiro ; Kimura, Fumiko ; Tsuda, Katsutoshi ; Shibata, Kiko ; Ishibashi, Mayu ; Moriya, Chihiro ; Nakagawa, Kiyotaka ; Kurata, Nori ; Itoh, Jun-Ichi ; Ito, Yukihiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c504t-8e937c79c5036c6fea1656e9a9f615a93ce45a300e67950b2eeaf84100157c893</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Arabidopsis</topic><topic>biosynthesis</topic><topic>Cloning, Molecular</topic><topic>Fatty Acids - metabolism</topic><topic>Gene Expression Regulation, Plant</topic><topic>genes</topic><topic>Genes, Plant</topic><topic>germination</topic><topic>Indoleacetic Acids - metabolism</topic><topic>leaves</topic><topic>long chain fatty acids</topic><topic>mutants</topic><topic>Mutation - genetics</topic><topic>Organogenesis - genetics</topic><topic>Oryza - genetics</topic><topic>Oryza - growth & development</topic><topic>plant development</topic><topic>Plant Epidermis - cytology</topic><topic>Plant Epidermis - metabolism</topic><topic>Plant Leaves - anatomy & histology</topic><topic>Plant Leaves - ultrastructure</topic><topic>Plant Proteins - genetics</topic><topic>Plant Proteins - metabolism</topic><topic>Plant Roots - anatomy & histology</topic><topic>Plant Shoots - genetics</topic><topic>Plant Shoots - growth & development</topic><topic>Regular Papers</topic><topic>rice</topic><topic>seedlings</topic><topic>Sequence Analysis, Protein</topic><topic>shoots</topic><topic>Waxes - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Akiba, Takafumi</creatorcontrib><creatorcontrib>Hibara, Ken-Ichiro</creatorcontrib><creatorcontrib>Kimura, Fumiko</creatorcontrib><creatorcontrib>Tsuda, Katsutoshi</creatorcontrib><creatorcontrib>Shibata, Kiko</creatorcontrib><creatorcontrib>Ishibashi, Mayu</creatorcontrib><creatorcontrib>Moriya, Chihiro</creatorcontrib><creatorcontrib>Nakagawa, Kiyotaka</creatorcontrib><creatorcontrib>Kurata, Nori</creatorcontrib><creatorcontrib>Itoh, Jun-Ichi</creatorcontrib><creatorcontrib>Ito, Yukihiro</creatorcontrib><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 and cell physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Akiba, Takafumi</au><au>Hibara, Ken-Ichiro</au><au>Kimura, Fumiko</au><au>Tsuda, Katsutoshi</au><au>Shibata, Kiko</au><au>Ishibashi, Mayu</au><au>Moriya, Chihiro</au><au>Nakagawa, Kiyotaka</au><au>Kurata, Nori</au><au>Itoh, Jun-Ichi</au><au>Ito, Yukihiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Organ fusion and defective shoot development in oni3 mutants of rice</atitle><jtitle>Plant and cell physiology</jtitle><addtitle>Plant Cell Physiol</addtitle><date>2014-01-01</date><risdate>2014</risdate><volume>55</volume><issue>1</issue><spage>42</spage><epage>51</epage><pages>42-51</pages><issn>0032-0781</issn><eissn>1471-9053</eissn><abstract>Maintenance of organ separation is one of the essential phenomena for normal plant development. We have identified and analyzed ONION3 (ONI3), which is required for avoiding organ fusions in rice. Loss-of-function mutations of ONI3, which were identified as mutants with ectopic expression of KNOX genes in leaves and morphologically resembling KNOX overexpressors, showed abnormal organ fusions in developing shoots. The mutant seedlings showed fusions between neighboring organs and also within an organ; they stopped growing soon after germination and subsequently died. ONI3 was shown to encode an enzyme that is most similar to Arabidopsis HOTHEAD and is involved in biosynthesis of long-chain fatty acids. Expression analyses showed that ONI3 was specifically expressed in the outermost cell layer in the shoot apex throughout life cycle, and the oni3 mutants had an aberrant outermost cell layer. 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| source | MEDLINE; Oxford University Press Journals All Titles (1996-Current); EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Arabidopsis biosynthesis Cloning, Molecular Fatty Acids - metabolism Gene Expression Regulation, Plant genes Genes, Plant germination Indoleacetic Acids - metabolism leaves long chain fatty acids mutants Mutation - genetics Organogenesis - genetics Oryza - genetics Oryza - growth & development plant development Plant Epidermis - cytology Plant Epidermis - metabolism Plant Leaves - anatomy & histology Plant Leaves - ultrastructure Plant Proteins - genetics Plant Proteins - metabolism Plant Roots - anatomy & histology Plant Shoots - genetics Plant Shoots - growth & development Regular Papers rice seedlings Sequence Analysis, Protein shoots Waxes - metabolism |
| title | Organ fusion and defective shoot development in oni3 mutants of rice |
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