sparse inflorescence1 encodes a monocot-specific YUCCA-like gene required for vegetative and reproductive development in maize
The plant growth hormone auxin plays a critical role in the initiation of lateral organs and meristems. Here, we identify and characterize a mutant, sparse inflorescence1 (spi1), which has defects in the initiation of axillary meristems and lateral organs during vegetative and inflorescence developm...
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| Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 2008-09, Vol.105 (39), p.15196-15201 |
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| creator | Gallavotti, Andrea Barazesh, Solmaz Malcomber, Simon Hall, Darren Jackson, David Schmidt, Robert J McSteen, Paula |
| description | The plant growth hormone auxin plays a critical role in the initiation of lateral organs and meristems. Here, we identify and characterize a mutant, sparse inflorescence1 (spi1), which has defects in the initiation of axillary meristems and lateral organs during vegetative and inflorescence development in maize. Positional cloning shows that spi1 encodes a flavin monooxygenase similar to the YUCCA (YUC) genes of Arabidopsis, which are involved in local auxin biosynthesis in various plant tissues. In Arabidopsis, loss of function of single members of the YUC family has no obvious effect, but in maize the mutation of a single yuc locus causes severe developmental defects. Phylogenetic analysis of the different members of the YUC family in moss, monocot, and eudicot species shows that there have been independent expansions of the family in monocots and eudicots. spi1 belongs to a monocot-specific clade, within which the role of individual YUC genes has diversified. These observations, together with expression and functional data, suggest that spi1 has evolved a dominant role in auxin biosynthesis that is essential for normal maize inflorescence development. Analysis of the interaction between spi1 and genes regulating auxin transport indicate that auxin transport and biosynthesis function synergistically to regulate the formation of axillary meristems and lateral organs in maize. |
| doi_str_mv | 10.1073/pnas.0805596105 |
| format | Article |
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Here, we identify and characterize a mutant, sparse inflorescence1 (spi1), which has defects in the initiation of axillary meristems and lateral organs during vegetative and inflorescence development in maize. Positional cloning shows that spi1 encodes a flavin monooxygenase similar to the YUCCA (YUC) genes of Arabidopsis, which are involved in local auxin biosynthesis in various plant tissues. In Arabidopsis, loss of function of single members of the YUC family has no obvious effect, but in maize the mutation of a single yuc locus causes severe developmental defects. Phylogenetic analysis of the different members of the YUC family in moss, monocot, and eudicot species shows that there have been independent expansions of the family in monocots and eudicots. spi1 belongs to a monocot-specific clade, within which the role of individual YUC genes has diversified. These observations, together with expression and functional data, suggest that spi1 has evolved a dominant role in auxin biosynthesis that is essential for normal maize inflorescence development. Analysis of the interaction between spi1 and genes regulating auxin transport indicate that auxin transport and biosynthesis function synergistically to regulate the formation of axillary meristems and lateral organs in maize.</description><identifier>ISSN: 0027-8424</identifier><identifier>EISSN: 1091-6490</identifier><identifier>DOI: 10.1073/pnas.0805596105</identifier><identifier>PMID: 18799737</identifier><language>eng</language><publisher>United States: National Academy of Sciences</publisher><subject>Amino Acid Sequence ; Arabidopsis ; Auxins ; axillary meristems ; Biological Sciences ; Biosynthesis ; Cloning ; Corn ; Data processing ; flavin ; flavin monooxygenase ; Gene expression ; genes ; Genes, Plant ; Growth hormone ; Hormones ; Indoleacetic Acids - metabolism ; Inflorescences ; Meristems ; messenger RNA ; Molecular Sequence Data ; monooxygenase ; Mutation ; nucleotide sequences ; oxygenases ; Oxygenases - classification ; Oxygenases - genetics ; Oxygenases - physiology ; Phenotypes ; Phylogeny ; plant development ; Plant growth ; Plants ; Protein synthesis ; Reproduction - genetics ; Sorghum ; sparse inflorescence1 gene ; spi1 gene ; Spikelets ; Tassels ; YUC gene ; Yucca ; Zea mays ; Zea mays - enzymology ; Zea mays - genetics ; Zea mays - growth & development</subject><ispartof>Proceedings of the National Academy of Sciences - PNAS, 2008-09, Vol.105 (39), p.15196-15201</ispartof><rights>Copyright 2008 The National Academy of Sciences of the United States of America</rights><rights>Copyright National Academy of Sciences Sep 30, 2008</rights><rights>2008 by The National Academy of Sciences of the USA</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c554t-3d52e831ee96c2feecb8429b044f05036bc07e1625e782b598ad27a2a0cdd6573</citedby><cites>FETCH-LOGICAL-c554t-3d52e831ee96c2feecb8429b044f05036bc07e1625e782b598ad27a2a0cdd6573</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.pnas.org/content/105/39.cover.gif</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/25464383$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25464383$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,723,776,780,799,881,27901,27902,53766,53768,57992,58225</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18799737$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gallavotti, Andrea</creatorcontrib><creatorcontrib>Barazesh, Solmaz</creatorcontrib><creatorcontrib>Malcomber, Simon</creatorcontrib><creatorcontrib>Hall, Darren</creatorcontrib><creatorcontrib>Jackson, David</creatorcontrib><creatorcontrib>Schmidt, Robert J</creatorcontrib><creatorcontrib>McSteen, Paula</creatorcontrib><title>sparse inflorescence1 encodes a monocot-specific YUCCA-like gene required for vegetative and reproductive development in maize</title><title>Proceedings of the National Academy of Sciences - PNAS</title><addtitle>Proc Natl Acad Sci U S A</addtitle><description>The plant growth hormone auxin plays a critical role in the initiation of lateral organs and meristems. Here, we identify and characterize a mutant, sparse inflorescence1 (spi1), which has defects in the initiation of axillary meristems and lateral organs during vegetative and inflorescence development in maize. Positional cloning shows that spi1 encodes a flavin monooxygenase similar to the YUCCA (YUC) genes of Arabidopsis, which are involved in local auxin biosynthesis in various plant tissues. In Arabidopsis, loss of function of single members of the YUC family has no obvious effect, but in maize the mutation of a single yuc locus causes severe developmental defects. Phylogenetic analysis of the different members of the YUC family in moss, monocot, and eudicot species shows that there have been independent expansions of the family in monocots and eudicots. spi1 belongs to a monocot-specific clade, within which the role of individual YUC genes has diversified. These observations, together with expression and functional data, suggest that spi1 has evolved a dominant role in auxin biosynthesis that is essential for normal maize inflorescence development. Analysis of the interaction between spi1 and genes regulating auxin transport indicate that auxin transport and biosynthesis function synergistically to regulate the formation of axillary meristems and lateral organs in maize.</description><subject>Amino Acid Sequence</subject><subject>Arabidopsis</subject><subject>Auxins</subject><subject>axillary meristems</subject><subject>Biological Sciences</subject><subject>Biosynthesis</subject><subject>Cloning</subject><subject>Corn</subject><subject>Data processing</subject><subject>flavin</subject><subject>flavin monooxygenase</subject><subject>Gene expression</subject><subject>genes</subject><subject>Genes, Plant</subject><subject>Growth hormone</subject><subject>Hormones</subject><subject>Indoleacetic Acids - metabolism</subject><subject>Inflorescences</subject><subject>Meristems</subject><subject>messenger RNA</subject><subject>Molecular Sequence Data</subject><subject>monooxygenase</subject><subject>Mutation</subject><subject>nucleotide sequences</subject><subject>oxygenases</subject><subject>Oxygenases - classification</subject><subject>Oxygenases - genetics</subject><subject>Oxygenases - physiology</subject><subject>Phenotypes</subject><subject>Phylogeny</subject><subject>plant development</subject><subject>Plant growth</subject><subject>Plants</subject><subject>Protein synthesis</subject><subject>Reproduction - genetics</subject><subject>Sorghum</subject><subject>sparse inflorescence1 gene</subject><subject>spi1 gene</subject><subject>Spikelets</subject><subject>Tassels</subject><subject>YUC gene</subject><subject>Yucca</subject><subject>Zea mays</subject><subject>Zea mays - enzymology</subject><subject>Zea mays - genetics</subject><subject>Zea mays - growth & development</subject><issn>0027-8424</issn><issn>1091-6490</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFks1v1DAQxSMEoqVw5gRYHJA4pB3bsR1fKlUrvqRKHGAPnCyvM1m8JHFqJyvgwN-Ol111gUsvtuT3m2e_8RTFUwrnFBS_GAebzqEGIbSkIO4VpxQ0LWWl4X5xCsBUWVesOikepbQBAC1qeFic0Fpprbg6LX6l0caExA9tFyImh4NDSvIaGkzEkj4MwYWpTCM633pHviwXi6uy89-QrHFAEvFm9hEb0oZItrjGyU5-i8QOTdbGGJrZ_TlocItdGHscpnwd6a3_iY-LB63tEj457GfF8u2bz4v35fXHdx8WV9elE6KaSt4IhjWniFo61iK6VY6lV1BVLQjgcuVAIZVMoKrZSujaNkxZZsE1jRSKnxWXe99xXvXY5JRTtJ0Zo-9t_GGC9eZfZfBfzTpsDRNSCVplg1cHgxhuZkyT6X1uVtfZAcOcjNSSyUrdDTJgXEEtMvjyP3AT5jjkLmSG8jqn0Rm62EMuhpQitrdPpmB2E2B2E2COE5Arnv-d9MgfvjwD5ADsKo92wnBtqKBaZuT1HYhp566b8PuU2Wd7dpOmEG9hJipZ8Zpn_cVeb20wdh19MstPu4BARaVUzvgbRJTafg</recordid><startdate>20080930</startdate><enddate>20080930</enddate><creator>Gallavotti, Andrea</creator><creator>Barazesh, Solmaz</creator><creator>Malcomber, Simon</creator><creator>Hall, Darren</creator><creator>Jackson, David</creator><creator>Schmidt, Robert J</creator><creator>McSteen, Paula</creator><general>National Academy of Sciences</general><general>National Acad Sciences</general><scope>FBQ</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>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20080930</creationdate><title>sparse inflorescence1 encodes a monocot-specific YUCCA-like gene required for vegetative and reproductive development in maize</title><author>Gallavotti, Andrea ; 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Here, we identify and characterize a mutant, sparse inflorescence1 (spi1), which has defects in the initiation of axillary meristems and lateral organs during vegetative and inflorescence development in maize. Positional cloning shows that spi1 encodes a flavin monooxygenase similar to the YUCCA (YUC) genes of Arabidopsis, which are involved in local auxin biosynthesis in various plant tissues. In Arabidopsis, loss of function of single members of the YUC family has no obvious effect, but in maize the mutation of a single yuc locus causes severe developmental defects. Phylogenetic analysis of the different members of the YUC family in moss, monocot, and eudicot species shows that there have been independent expansions of the family in monocots and eudicots. spi1 belongs to a monocot-specific clade, within which the role of individual YUC genes has diversified. These observations, together with expression and functional data, suggest that spi1 has evolved a dominant role in auxin biosynthesis that is essential for normal maize inflorescence development. Analysis of the interaction between spi1 and genes regulating auxin transport indicate that auxin transport and biosynthesis function synergistically to regulate the formation of axillary meristems and lateral organs in maize.</abstract><cop>United States</cop><pub>National Academy of Sciences</pub><pmid>18799737</pmid><doi>10.1073/pnas.0805596105</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Amino Acid Sequence Arabidopsis Auxins axillary meristems Biological Sciences Biosynthesis Cloning Corn Data processing flavin flavin monooxygenase Gene expression genes Genes, Plant Growth hormone Hormones Indoleacetic Acids - metabolism Inflorescences Meristems messenger RNA Molecular Sequence Data monooxygenase Mutation nucleotide sequences oxygenases Oxygenases - classification Oxygenases - genetics Oxygenases - physiology Phenotypes Phylogeny plant development Plant growth Plants Protein synthesis Reproduction - genetics Sorghum sparse inflorescence1 gene spi1 gene Spikelets Tassels YUC gene Yucca Zea mays Zea mays - enzymology Zea mays - genetics Zea mays - growth & development |
| title | sparse inflorescence1 encodes a monocot-specific YUCCA-like gene required for vegetative and reproductive development in maize |
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