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Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis
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| Zeitschriftentitel: | Genes & Development |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Genes & Development, 20, 2006, 13, S. 1790-1799 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Cold Spring Harbor Laboratory
|
| Schlagwörter: |
| author_facet |
Cheng, Youfa Dai, Xinhua Zhao, Yunde Cheng, Youfa Dai, Xinhua Zhao, Yunde |
|---|---|
| author |
Cheng, Youfa Dai, Xinhua Zhao, Yunde |
| spellingShingle |
Cheng, Youfa Dai, Xinhua Zhao, Yunde Genes & Development Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis Developmental Biology Genetics |
| author_sort |
cheng, youfa |
| spelling |
Cheng, Youfa Dai, Xinhua Zhao, Yunde 0890-9369 1549-5477 Cold Spring Harbor Laboratory Developmental Biology Genetics http://dx.doi.org/10.1101/gad.1415106 <jats:p>Auxin biosynthesis in plants has remained obscure although auxin has been known for decades as a key regulator for plant growth and development. Here we define the <jats:italic>YUC</jats:italic> gene family and show unequivocally that four of the 11 predicted YUC flavin monooxygenases (YUC1, YUC2, YUC4, and YUC6) play essential roles in auxin biosynthesis and plant development. The <jats:italic>YUC</jats:italic> genes are mainly expressed in meristems, young primordia, vascular tissues, and reproductive organs. Overexpression of each <jats:italic>YUC</jats:italic> gene leads to auxin overproduction, whereas disruption of a single <jats:italic>YUC</jats:italic> gene causes no obvious developmental defects. However, <jats:italic>yuc1yuc4</jats:italic>, <jats:italic>yuc2yuc6</jats:italic>, all of the triple and quadruple mutants of the four <jats:italic>YUC</jats:italic> genes, display severe defects in floral patterning, vascular formation, and other developmental processes. Furthermore, inactivation of the <jats:italic>YUC</jats:italic> genes leads to dramatically reduced expression of the auxin reporter DR5-GUS in tissues where the <jats:italic>YUC</jats:italic> genes are expressed. Moreover, the developmental defects of <jats:italic>yuc1yuc4</jats:italic> and <jats:italic>yuc1yuc2yuc6</jats:italic> are rescued by tissue-specific expression of the bacterial auxin biosynthesis gene iaaM, but not by exogenous auxin, demonstrating that spatially and temporally regulated auxin biosynthesis by the <jats:italic>YUC</jats:italic> genes is essential for the formation of floral organs and vascular tissues.</jats:p> Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in <i>Arabidopsis</i> Genes & Development |
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Cold Spring Harbor Laboratory, 2006 |
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| title |
Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_unstemmed |
Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_full |
Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_fullStr |
Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_full_unstemmed |
Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_short |
Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_sort |
auxin biosynthesis by the yucca flavin monooxygenases controls the formation of floral organs and vascular tissues in <i>arabidopsis</i> |
| topic |
Developmental Biology Genetics |
| url |
http://dx.doi.org/10.1101/gad.1415106 |
| publishDate |
2006 |
| physical |
1790-1799 |
| description |
<jats:p>Auxin biosynthesis in plants has remained obscure although auxin has been known for decades as a key regulator for plant growth and development. Here we define the <jats:italic>YUC</jats:italic> gene family and show unequivocally that four of the 11 predicted YUC flavin monooxygenases (YUC1, YUC2, YUC4, and YUC6) play essential roles in auxin biosynthesis and plant development. The <jats:italic>YUC</jats:italic> genes are mainly expressed in meristems, young primordia, vascular tissues, and reproductive organs. Overexpression of each <jats:italic>YUC</jats:italic> gene leads to auxin overproduction, whereas disruption of a single <jats:italic>YUC</jats:italic> gene causes no obvious developmental defects. However, <jats:italic>yuc1yuc4</jats:italic>, <jats:italic>yuc2yuc6</jats:italic>, all of the triple and quadruple mutants of the four <jats:italic>YUC</jats:italic> genes, display severe defects in floral patterning, vascular formation, and other developmental processes. Furthermore, inactivation of the <jats:italic>YUC</jats:italic> genes leads to dramatically reduced expression of the auxin reporter DR5-GUS in tissues where the <jats:italic>YUC</jats:italic> genes are expressed. Moreover, the developmental defects of <jats:italic>yuc1yuc4</jats:italic> and <jats:italic>yuc1yuc2yuc6</jats:italic> are rescued by tissue-specific expression of the bacterial auxin biosynthesis gene iaaM, but not by exogenous auxin, demonstrating that spatially and temporally regulated auxin biosynthesis by the <jats:italic>YUC</jats:italic> genes is essential for the formation of floral organs and vascular tissues.</jats:p> |
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| author | Cheng, Youfa, Dai, Xinhua, Zhao, Yunde |
| author_facet | Cheng, Youfa, Dai, Xinhua, Zhao, Yunde, Cheng, Youfa, Dai, Xinhua, Zhao, Yunde |
| author_sort | cheng, youfa |
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| description | <jats:p>Auxin biosynthesis in plants has remained obscure although auxin has been known for decades as a key regulator for plant growth and development. Here we define the <jats:italic>YUC</jats:italic> gene family and show unequivocally that four of the 11 predicted YUC flavin monooxygenases (YUC1, YUC2, YUC4, and YUC6) play essential roles in auxin biosynthesis and plant development. The <jats:italic>YUC</jats:italic> genes are mainly expressed in meristems, young primordia, vascular tissues, and reproductive organs. Overexpression of each <jats:italic>YUC</jats:italic> gene leads to auxin overproduction, whereas disruption of a single <jats:italic>YUC</jats:italic> gene causes no obvious developmental defects. However, <jats:italic>yuc1yuc4</jats:italic>, <jats:italic>yuc2yuc6</jats:italic>, all of the triple and quadruple mutants of the four <jats:italic>YUC</jats:italic> genes, display severe defects in floral patterning, vascular formation, and other developmental processes. Furthermore, inactivation of the <jats:italic>YUC</jats:italic> genes leads to dramatically reduced expression of the auxin reporter DR5-GUS in tissues where the <jats:italic>YUC</jats:italic> genes are expressed. Moreover, the developmental defects of <jats:italic>yuc1yuc4</jats:italic> and <jats:italic>yuc1yuc2yuc6</jats:italic> are rescued by tissue-specific expression of the bacterial auxin biosynthesis gene iaaM, but not by exogenous auxin, demonstrating that spatially and temporally regulated auxin biosynthesis by the <jats:italic>YUC</jats:italic> genes is essential for the formation of floral organs and vascular tissues.</jats:p> |
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| imprint | Cold Spring Harbor Laboratory, 2006 |
| imprint_str_mv | Cold Spring Harbor Laboratory, 2006 |
| institution | DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3 |
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| physical | 1790-1799 |
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| series | Genes & Development |
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| spelling | Cheng, Youfa Dai, Xinhua Zhao, Yunde 0890-9369 1549-5477 Cold Spring Harbor Laboratory Developmental Biology Genetics http://dx.doi.org/10.1101/gad.1415106 <jats:p>Auxin biosynthesis in plants has remained obscure although auxin has been known for decades as a key regulator for plant growth and development. Here we define the <jats:italic>YUC</jats:italic> gene family and show unequivocally that four of the 11 predicted YUC flavin monooxygenases (YUC1, YUC2, YUC4, and YUC6) play essential roles in auxin biosynthesis and plant development. The <jats:italic>YUC</jats:italic> genes are mainly expressed in meristems, young primordia, vascular tissues, and reproductive organs. Overexpression of each <jats:italic>YUC</jats:italic> gene leads to auxin overproduction, whereas disruption of a single <jats:italic>YUC</jats:italic> gene causes no obvious developmental defects. However, <jats:italic>yuc1yuc4</jats:italic>, <jats:italic>yuc2yuc6</jats:italic>, all of the triple and quadruple mutants of the four <jats:italic>YUC</jats:italic> genes, display severe defects in floral patterning, vascular formation, and other developmental processes. Furthermore, inactivation of the <jats:italic>YUC</jats:italic> genes leads to dramatically reduced expression of the auxin reporter DR5-GUS in tissues where the <jats:italic>YUC</jats:italic> genes are expressed. Moreover, the developmental defects of <jats:italic>yuc1yuc4</jats:italic> and <jats:italic>yuc1yuc2yuc6</jats:italic> are rescued by tissue-specific expression of the bacterial auxin biosynthesis gene iaaM, but not by exogenous auxin, demonstrating that spatially and temporally regulated auxin biosynthesis by the <jats:italic>YUC</jats:italic> genes is essential for the formation of floral organs and vascular tissues.</jats:p> Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in <i>Arabidopsis</i> Genes & Development |
| spellingShingle | Cheng, Youfa, Dai, Xinhua, Zhao, Yunde, Genes & Development, Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis, Developmental Biology, Genetics |
| title | Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_full | Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_fullStr | Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_full_unstemmed | Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_short | Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| title_sort | auxin biosynthesis by the yucca flavin monooxygenases controls the formation of floral organs and vascular tissues in <i>arabidopsis</i> |
| title_unstemmed | Auxin biosynthesis by the YUCCA flavin monooxygenases controls the formation of floral organs and vascular tissues in Arabidopsis |
| topic | Developmental Biology, Genetics |
| url | http://dx.doi.org/10.1101/gad.1415106 |