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	Dwarf and low-tillering, a new member of the gras family, plays positive roles in brassinosteroid signaling in rice
	Tong, Hongning1,2,3; Jin, Yun1,2,3; Liu, Wenbo1,2,3; Li, Feng1,2,3; Fang, Jun1,2; Yin, Yanhai4; Qian, Qian5; Zhu, Lihuang1,2; Chu, Chengcai1,2
刊名	Plant journal
	2009-06-01
卷号	58期号:5页码:803-816
关键词	Rice Dlt Brassinosteroid signaling Gras Tillering Dwarf
ISSN号	0960-7412
DOI	10.1111/j.1365-313x.2009.03825.x
通讯作者	Chu, chengcai(ccchu@genetics.ac.cn)
英文摘要	Rapid progress has been made regarding the understanding of brassinosteroid (br) signaling in arabidopsis. however, little is known about br signaling in monotyledons. here, we characterized a rice dwarf and low-tillering (dlt) mutant and cloned the corresponding gene via map-based cloning. dlt encodes a new member of the plant-specific gras family. the dwarf phenotype of dlt is similar to br-deficient or signaling mutants in rice. in addition, both lamina bending and coleoptile elongation assays show that dlt is insensitive or much less responsive to brassinolide (bl), the most active br, suggesting that dlt is involved in br signaling. consistent with this conclusion, the accumulation of transcripts of br biosynthesis genes in the dlt mutant indicated that dlt is involved in feedback inhibition of br biosynthesis genes. in addition, transcription of several other br-regulated genes is altered in the dlt mutant. finally, consistent with the fact that dlt is also negatively feedback-regulated by br treatment, a gel mobility shift assay showed that osbzr1 can bind to the dlt promoter through the br-response element. taken together, these studies have enabled us to identify a new signaling component that is involved in several specific br responses in rice.
WOS关键词	TRANSCRIPTION FACTOR ; GENE-EXPRESSION ; DELLA PROTEIN ; ARABIDOPSIS ; MUTANT ; BRASSINOLIDE ; TRANSDUCTION ; ELONGATION ; RECEPTOR ; SLR1
WOS研究方向	Plant Sciences
WOS类目	Plant Sciences
语种	英语
出版者	WILEY-BLACKWELL PUBLISHING, INC
WOS记录号	WOS:000268221100008
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2403802
专题	中国科学院大学
通讯作者	Chu, Chengcai
作者单位	1.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Plant Genom, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Inst Genet & Dev Biol, Natl Ctr Plant Gene Res Beijing, Beijing 100101, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing 100101, Peoples R China 4.Iowa State Univ, Dept Genet Dev & Cell Biol, Ames, IA 50011 USA 5.Chinese Acad Agr Sci, China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 310006, Zhejiang, Peoples R China
推荐引用方式 GB/T 7714	Tong, Hongning,Jin, Yun,Liu, Wenbo,et al. Dwarf and low-tillering, a new member of the gras family, plays positive roles in brassinosteroid signaling in rice[J]. Plant journal,2009,58(5):803-816.
APA	Tong, Hongning.,Jin, Yun.,Liu, Wenbo.,Li, Feng.,Fang, Jun.,...&Chu, Chengcai.(2009).Dwarf and low-tillering, a new member of the gras family, plays positive roles in brassinosteroid signaling in rice.Plant journal,58(5),803-816.
MLA	Tong, Hongning,et al."Dwarf and low-tillering, a new member of the gras family, plays positive roles in brassinosteroid signaling in rice".Plant journal 58.5(2009):803-816.

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