Os01g0718300

This gene locus includes two genes named after dwarf 61 and OsBRI1 of Oryza sativa Japonica Group, whose length is 3,866 bps[1]and 1,122 amino acids[2]respectively with a putative role that is systemin receptor SR160 precursor.

Annotated Information

Function

The mutants of d61 of Oryza sativa are not sensitive to BR(brassinosteroid) addition due to the prohibition of BR signal transduction in their bodies. This kind of mutant are characterized by the limit of the longitudinal elongation of some specific internodes, bending of the lamina joints, shorter leaf sheaths nut longer neck panicles than wide type, and undesirable skotomorphogenesis. In addition, the phenotypes of the mutants of d61 are closely related to the mutations of OsBRI1.

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Brassinosteroids (BRs) are plant growth–promoting natural products required for plant growth and development. Physiological studies have demonstrated that exogenous BR, alone or in combination with auxin, enhance bending of the lamina joint of rice.

Phenotypes of the d61 Mutants

OsBRI1 has extensive sequence similarity to that of the Arabidopsis BRI gene, which encodes a putative BR receptor kinase. Linkage analyses showed that the OsBRI1 gene is closely linked to the d61 locus. Single nucleotide substitutions found at different sites of the d61 alleles would give rise to amino acid changes in the corresponding polypeptides. Furthermore, introduction of the entire OsBRI1 coding region, including the 5' and 3' flanking sequences, into d61 plants complemented the mutation to display the wild-type phenotype. Transgenic plants carrying the antisense strand of the OsBRI1 transcript showed similar or even more severe phenotypes than those of the d61mutants. OsBRI1 functions in various growth and developmental processes in rice, including (1) internode elongation, by inducing the formation of the intercalary meristem and the longitudinal elongation of internode cells; (2) bending of the lamina joint; and (3) skotomorphogenesis.

Complementation and Antisense Phenotype of OsBRI1

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The phytohormones auxins and brassinosteroids are both essential regulators of physiological and developmental processes, and it has been suggested that they act inter‐dependently and synergistically. auxins stimulate brassinosteroid perception by regulating the level of brassinosteroid receptor. Auxin treatment increased expression of the rice brassinosteroid receptor gene OsBRI1. The promoter of OsBRI1 contains an auxin-response element (AuxRE) that is targeted by auxin-response factor (ARF) transcription factors. An AuxRE mutation abolished the induction of OsBRI1 expression by auxins, and OsBRI1 expression was down‐regulated in an arf mutant. The AuxRE motif in the OsBRI1 promoter, and thus the transient up‐regulation of OsBRI1 expression caused by treatment with indole-3-acetic acid, is essential for the indole-3-acetic acid-induced increase in sensitivity to brassinosteroids.

Auxin-response factor transcription factors participate in the regulation of OsBRI1 expression

Auxin-induced BU1 expression depends on the presence of the auxin-response element in the OsBRI1 promoter

Expression

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Evolution

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Labs working on this gene

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Structured Information

Gene Name	Os01g0718300
Description	Similar to Systemin receptor SR160 precursor (EC 2.7.1.37) (Brassinosteroid LRR receptor kinase)
Version	NM_001050612.1 GI:115439594 GeneID:4324691
Length	3857 bp
Definition	Oryza sativa Japonica Group Os01g0718300, complete gene.
Source	Oryza sativa Japonica Group ORGANISM Oryza sativa Japonica Group Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliophyta; Liliopsida; Poales; Poaceae; BEP clade; Ehrhartoideae; Oryzeae; Oryza.
Chromosome	Chromosome 1
Location	Chromosome 1:31683441..31687297
Sequence Coding Region	31683812..31687177
Expression	GEO Profiles:Os01g0718300
Genome Context	<gbrowseImage1> name=NC_008394:31683441..31687297 source=RiceChromosome01 preset=GeneLocation </gbrowseImage1>
Gene Structure	<gbrowseImage2> name=NC_008394:31683441..31687297 source=RiceChromosome01 preset=GeneLocation </gbrowseImage2>
Coding Sequence	<cdnaseq>atggattccttgtgggcagcgatagcggcactgtttgtggcggcggcggtggtggtgaggggggcggcggcggccgacgacgcccagctgctcgaggagttcaggcaggcggtgccgaaccaggcggcgctcaaggggtggagcggcggcgacggcgcgtgcaggttcccgggggccgggtgccggaacgggaggctcacgtcgctgtcgctcgccggcgtgccgctcaatgccgagttccgcgccgtcgcggccaccctgctgcagctcggcagcgtcgaggtgctgagcctccgcggcgccaacgtcagcggcgcgctctcggcggctggcggcgcgaggtgcgggagcaagctgcaggcgctcgatttgtccgggaatgccgcgctccggggctccgtcgccgacgtggcggccctggccagcgcctgcggcggcctcaagacgctgaatctctccggcgatgcggttggtgcggcgaaggtcggtggcggtggtggcccgggctttgccgggctggactcgcttgatttgtccaacaacaagatcaccgacgatagcgacctccggtggatggtggatgccggagtcggggcagtacggtggttggaccttgccctgaacaggatctccggtgtcccggagttcaccaactgctccgggcttcagtaccttgacctctccggcaacctcatcgtcggtgaggtgcccggcggggcactttccgactgccgcggtctgaaagtgctcaacctctccttcaaccacctcgccggcgtgttccctccggacatcgccggcctcacgtcgctcaacgccctcaacctctccaacaacaacttctccggcgagctccccggcgaggctttcgcaaagctgcagcagcttacggcgctctccctctccttcaaccacttcaacggctccatcccggacaccgtagcctcgctgccggagctccagcagctcgacctcagctccaacaccttctccggcaccatcccgtcgtccctctgccaagatcccaactccaagctccatctgctgtaccttcagaacaactacctcaccggcggcatcccagacgccgtctccaactgcaccagcctcgtctccctcgacctcagcctcaactacatcaatgggtccatcccggcatccctcggcgaccttggcaacctgcaggacctcatcctgtggcagaacgagctggagggcgagataccggcgtccctgtcgcgcattcagggcctcgagcatctcatcctcgactacaacgggctcacgggtagcatcccgccggagctagccaagtgcaccaagctgaactggatttctttggcgagcaaccggctgtccgggccaatcccttcatggcttgggaagctcagctacttggctatcttgaagctcagcaacaattccttctcggggcctataccgccagagctcggtgactgccagagcttggtgtggctggacctgaatagcaatcagctgaatggatcaatacccaaagagctggccaaacagtctgggaagatgaatgttggcctcatagttggacggccttacgtttatcttcgcaacgacgagctgagcagcgagtgccgtggcaaggggagcttgctggagtttaccagcatccgacctgatgacctcagtcggatgccgagcaagaagctgtgcaacttcacaagaatgtatgtggggagcacggagtacaccttcaacaagaatggttcgatgatatttctcgatttgtcatataatcagctggactcggcgattcctggcgagctgggggacatgttctacctcatgatcatgaatcttgggcacaacctactgtcaggtaccatcccatcgcggctagcagaggccaagaagcttgcggtgcttgacctgtcgtataaccagttggaagggccaatacccaactctttctcggcactttccttgtcggagatcaatctgtcaaataatcagctgaatggaacaattccagagcttggttcccttgccacatttccgaagagccagtatgagaataacactggtttatgtggcttcccactgccaccatgtgaccatagttccccaagatcttccaatgaccaccaatcccaccggaggcaggcatcgatggcaagcagtatcgctatgggactgttattctcactgttctgtataattgtgatcatcatagccattgggagcaagcggcggaggctgaagaatgaggaggcgagtacctctcgtgatatatatattgatagcaggtcacattctgcaactatgaattctgattggaggcaaaatctctccggtacaaatcttcttagcatcaacctggctgcattcgagaagccattgcagaatctcaccctggctgatcttgttgaggccacaaatggcttccacatcgcatgccaaattgggtctggtgggtttggtgatgtctacaaggcacagctcaaggatgggaaggttgttgcaatcaagaagctaatacatgtgagcgggcagggtgaccgggagttcactgcagaaatggagaccattggcaagatcaaacaccgtaaccttgttccacttcttggctattgcaaggctggtgaggagcggttgttggtgtatgattacatgaagtttggcagcttggaggatgtgttgcatgaccgcaaaaagatcggtaaaaagctgaattgggaggcaagacggaaaatcgctgttggagcagcaaggggtttggcattcctccaccacaattgcattcctcacatcattcaccgagacatgaagtcgagcaatgtgcttatcgatgaacaactggaagcaagggtatctgatttcggtatggcgaggctgatgagcgtggtggatacacaccttagcgtgtccactcttgctggaacgccagggtatgtaccaccggagtactaccagagcttcagatgcaccaccaagggtgatgtttatagctatggtgttgtgttgctggagctgctcaccgggaaaccgccgacggactcggcagactttggcgaggacaataaccttgtggggtgggtcaagcagcacaccaaattgaagatcacggatgtcttcgaccctgagctactcaaggaggatccatccgtcgagcttgagctgctggagcatttgaaaatcgcctgtgcgtgcttggatgaccggccgtcgaggcggccgacgatgctgaaggtgatggcaatgttcaaggagatccaagctgggtcgacggtcgactcgaagacctcgtcggcggcagcgggctcgatcgatgagggaggctatggggtccttgacatgcccctcagggaagccaaggaggagaaggattag</cdnaseq>
Protein Sequence	<aaseq>MDSLWAAIAALFVAAAVVVRGAAAADDAQLLEEFRQAVPNQAAL KGWSGGDGACRFPGAGCRNGRLTSLSLAGVPLNAEFRAVAATLLQLGSVEVLSLRGAN VSGALSAAGGARCGSKLQALDLSGNAALRGSVADVAALASACGGLKTLNLSGDAVGAA KVGGGGGPGFAGLDSLDLSNNKITDDSDLRWMVDAGVGAVRWLDLALNRISGVPEFTN CSGLQYLDLSGNLIVGEVPGGALSDCRGLKVLNLSFNHLAGVFPPDIAGLTSLNALNL SNNNFSGELPGEAFAKLQQLTALSLSFNHFNGSIPDTVASLPELQQLDLSSNTFSGTI PSSLCQDPNSKLHLLYLQNNYLTGGIPDAVSNCTSLVSLDLSLNYINGSIPASLGDLG NLQDLILWQNELEGEIPASLSRIQGLEHLILDYNGLTGSIPPELAKCTKLNWISLASN RLSGPIPSWLGKLSYLAILKLSNNSFSGPIPPELGDCQSLVWLDLNSNQLNGSIPKEL AKQSGKMNVGLIVGRPYVYLRNDELSSECRGKGSLLEFTSIRPDDLSRMPSKKLCNFT RMYVGSTEYTFNKNGSMIFLDLSYNQLDSAIPGELGDMFYLMIMNLGHNLLSGTIPSR LAEAKKLAVLDLSYNQLEGPIPNSFSALSLSEINLSNNQLNGTIPELGSLATFPKSQY ENNTGLCGFPLPPCDHSSPRSSNDHQSHRRQASMASSIAMGLLFSLFCIIVIIIAIGS KRRRLKNEEASTSRDIYIDSRSHSATMNSDWRQNLSGTNLLSINLAAFEKPLQNLTLA DLVEATNGFHIACQIGSGGFGDVYKAQLKDGKVVAIKKLIHVSGQGDREFTAEMETIG KIKHRNLVPLLGYCKAGEERLLVYDYMKFGSLEDVLHDRKKIGKKLNWEARRKIAVGA ARGLAFLHHNCIPHIIHRDMKSSNVLIDEQLEARVSDFGMARLMSVVDTHLSVSTLAG TPGYVPPEYYQSFRCTTKGDVYSYGVVLLELLTGKPPTDSADFGEDNNLVGWVKQHTK LKITDVFDPELLKEDPSVELELLEHLKIACACLDDRPSRRPTMLKVMAMFKEIQAGST VDSKTSSAAAGSIDEGGYGVLDMPLREAKEEKD</aaseq>
Gene Sequence	<dnaseqindica>121..3486#atctcctcctcatcacttcccactctcccccttctgtctctctactttctctctctaccgccgctctcgcagcaggccaggttctctctaatggtcgtgaggcagtgagctcgctcgtacatggattccttgtgggcagcgatagcggcactgtttgtggcggcggcggtggtggtgaggggggcggcggcggccgacgacgcccagctgctcgaggagttcaggcaggcggtgccgaaccaggcggcgctcaaggggtggagcggcggcgacggcgcgtgcaggttcccgggggccgggtgccggaacgggaggctcacgtcgctgtcgctcgccggcgtgccgctcaatgccgagttccgcgccgtcgcggccaccctgctgcagctcggcagcgtcgaggtgctgagcctccgcggcgccaacgtcagcggcgcgctctcggcggctggcggcgcgaggtgcgggagcaagctgcaggcgctcgatttgtccgggaatgccgcgctccggggctccgtcgccgacgtggcggccctggccagcgcctgcggcggcctcaagacgctgaatctctccggcgatgcggttggtgcggcgaaggtcggtggcggtggtggcccgggctttgccgggctggactcgcttgatttgtccaacaacaagatcaccgacgatagcgacctccggtggatggtggatgccggagtcggggcagtacggtggttggaccttgccctgaacaggatctccggtgtcccggagttcaccaactgctccgggcttcagtaccttgacctctccggcaacctcatcgtcggtgaggtgcccggcggggcactttccgactgccgcggtctgaaagtgctcaacctctccttcaaccacctcgccggcgtgttccctccggacatcgccggcctcacgtcgctcaacgccctcaacctctccaacaacaacttctccggcgagctccccggcgaggctttcgcaaagctgcagcagcttacggcgctctccctctccttcaaccacttcaacggctccatcccggacaccgtagcctcgctgccggagctccagcagctcgacctcagctccaacaccttctccggcaccatcccgtcgtccctctgccaagatcccaactccaagctccatctgctgtaccttcagaacaactacctcaccggcggcatcccagacgccgtctccaactgcaccagcctcgtctccctcgacctcagcctcaactacatcaatgggtccatcccggcatccctcggcgaccttggcaacctgcaggacctcatcctgtggcagaacgagctggagggcgagataccggcgtccctgtcgcgcattcagggcctcgagcatctcatcctcgactacaacgggctcacgggtagcatcccgccggagctagccaagtgcaccaagctgaactggatttctttggcgagcaaccggctgtccgggccaatcccttcatggcttgggaagctcagctacttggctatcttgaagctcagcaacaattccttctcggggcctataccgccagagctcggtgactgccagagcttggtgtggctggacctgaatagcaatcagctgaatggatcaatacccaaagagctggccaaacagtctgggaagatgaatgttggcctcatagttggacggccttacgtttatcttcgcaacgacgagctgagcagcgagtgccgtggcaaggggagcttgctggagtttaccagcatccgacctgatgacctcagtcggatgccgagcaagaagctgtgcaacttcacaagaatgtatgtggggagcacggagtacaccttcaacaagaatggttcgatgatatttctcgatttgtcatataatcagctggactcggcgattcctggcgagctgggggacatgttctacctcatgatcatgaatcttgggcacaacctactgtcaggtaccatcccatcgcggctagcagaggccaagaagcttgcggtgcttgacctgtcgtataaccagttggaagggccaatacccaactctttctcggcactttccttgtcggagatcaatctgtcaaataatcagctgaatggaacaattccagagcttggttcccttgccacatttccgaagagccagtatgagaataacactggtttatgtggcttcccactgccaccatgtgaccatagttccccaagatcttccaatgaccaccaatcccaccggaggcaggcatcgatggcaagcagtatcgctatgggactgttattctcactgttctgtataattgtgatcatcatagccattgggagcaagcggcggaggctgaagaatgaggaggcgagtacctctcgtgatatatatattgatagcaggtcacattctgcaactatgaattctgattggaggcaaaatctctccggtacaaatcttcttagcatcaacctggctgcattcgagaagccattgcagaatctcaccctggctgatcttgttgaggccacaaatggcttccacatcgcatgccaaattgggtctggtgggtttggtgatgtctacaaggcacagctcaaggatgggaaggttgttgcaatcaagaagctaatacatgtgagcgggcagggtgaccgggagttcactgcagaaatggagaccattggcaagatcaaacaccgtaaccttgttccacttcttggctattgcaaggctggtgaggagcggttgttggtgtatgattacatgaagtttggcagcttggaggatgtgttgcatgaccgcaaaaagatcggtaaaaagctgaattgggaggcaagacggaaaatcgctgttggagcagcaaggggtttggcattcctccaccacaattgcattcctcacatcattcaccgagacatgaagtcgagcaatgtgcttatcgatgaacaactggaagcaagggtatctgatttcggtatggcgaggctgatgagcgtggtggatacacaccttagcgtgtccactcttgctggaacgccagggtatgtaccaccggagtactaccagagcttcagatgcaccaccaagggtgatgtttatagctatggtgttgtgttgctggagctgctcaccgggaaaccgccgacggactcggcagactttggcgaggacaataaccttgtggggtgggtcaagcagcacaccaaattgaagatcacggatgtcttcgaccctgagctactcaaggaggatccatccgtcgagcttgagctgctggagcatttgaaaatcgcctgtgcgtgcttggatgaccggccgtcgaggcggccgacgatgctgaaggtgatggcaatgttcaaggagatccaagctgggtcgacggtcgactcgaagacctcgtcggcggcagcgggctcgatcgatgagggaggctatggggtccttgacatgcccctcagggaagccaaggaggagaaggattagaaacaacaaccaccgacacacaggagaaacagccggcggtgagtggccaccaacgaggccagtcggcggcgaaatgcccgtagaaacaacagtcattcagaatcagatggatgccattttgaactctccacacaagcttagcaatcgcttctgatggtgctacaagataagaattttccagctgtaggttgatcagtcgaagttgttatgtacctataggagtagatcttttcttctttcttttttcgcagctttcttcgtctccctgtttgtttttcccgtcgcgtcgcagtaagagctgtgtatgtacatatataaatgttgaattttctttggcgcaaaatcaaaatccgcctaggttgctcctcgtc</dnaseqindica>
External Link(s)	NCBI Gene:Os01g0718300, RefSeq:Os01g0718300