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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2008.02514.x
|2 doi
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|a pubmed24n0601.xml
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|a (DE-627)NLM18025149X
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|a (NLM)18557819
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Li, Lin-Chuan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a SPOROCYTELESS modulates YUCCA expression to regulate the development of lateral organs in Arabidopsis
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 07.11.2008
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|a Date Revised 08.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a * Auxin is essential for many aspects of plant growth and development, including the determination of lateral organ shapes. * Here, the characterization of a dominant Arabidopsis thaliana mutant spl-D (SPOROCYTELESS dominant), and the roles of SPL in auxin homeostasis and plant development, are reported. * The spl-D mutant displayed a severe up-curling leaf phenotype caused by increased expression of SPOROCYTELESS/NOZZLE (SPL/NZZ), a putative transcription factor gene that was previously linked to sporocyte formation. The spl-D plants also displayed pleiotropic developmental defects including fewer lateral roots, simpler venation patterns, and reduced shoot apical dominance. The leaf and floral phenotypes of spl-D and SPL over-expression lines were reminiscent of yucca (yuc) triple and quadruple mutants, suggesting that SPL may regulate auxin homeostasis. Consistent with this hypothesis, it was found that over-expression of SPL led to down-regulation of the auxin reporter DR5-GUS, and that many auxin-responsive genes were down-regulated in spl-D leaves. Interestingly, the expression of YUC2 and YUC6, two key genes in auxin biosynthesis, was significantly repressed in spl-D plants. * Taken together with the genetic and phenotypic analysis of spl-D/yuc6-D double mutant, these data suggest that SPL may regulate auxin homeostasis by repressing the transcription of YUC2 and YUC6 and participate in lateral organ morphogenesis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis Proteins
|2 NLM
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|a Indoleacetic Acids
|2 NLM
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|a Nuclear Proteins
|2 NLM
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|a Repressor Proteins
|2 NLM
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|a SPL protein, Arabidopsis
|2 NLM
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|a Oxygenases
|2 NLM
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| 650 |
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|a EC 1.13.-
|2 NLM
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| 650 |
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|a YUC protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 1.13.14.-
|2 NLM
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| 700 |
1 |
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|a Qin, Gen-Ji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tsuge, Tomohiko
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hou, Xian-Hui
|e verfasserin
|4 aut
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|a Ding, Mao-Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Aoyama, Takashi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Oka, Atsuhiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Zhangliang
|e verfasserin
|4 aut
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| 700 |
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|a Gu, Hongya
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Yunde
|e verfasserin
|4 aut
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| 700 |
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|a Qu, Li-Jia
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 179(2008), 3 vom: 01., Seite 751-764
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:179
|g year:2008
|g number:3
|g day:01
|g pages:751-764
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| 856 |
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|u http://dx.doi.org/10.1111/j.1469-8137.2008.02514.x
|3 Volltext
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