Information report for OsRacGEF1;OsRopGEF7B
Gene Details
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Functional Descriptions
- Activated OsRacGEF1 is required for chitin-driven immune responses and resistance to rice blast fungus infection.
- Here, we show that rice OsRacGEF1 forms homodimers, and heterodimers with OsRacGEF2, at the plasma membrane (PM) and the endoplasmic reticulum (ER).
- OsRacGEF2 does not bind directly to the receptor-like kinase (RLK) OsCERK1, but forms a complex with OsCERK1 through OsRacGEF1 at the ER.
- In chitin signaling in rice, two direct substrates of OsCERK1, Rac/ROP GTPase guanine nucleotide exchange factor OsRacGEF1 and receptor-like cytoplasmic kinase OsRLCK185, have been identified as components of the OsCERK1 complex and are rapidly phosphorylated by OsCERK1 in response to chitin.
- Knock-out and -down of OsRopGEF7B by T-DNA insertion and RNA interference, respectively, predominantly caused an increase in the number of floral organs in the inner whorls (stamen and ovary), as well as abnormal paleae/lemmas and ectopic growth of lodicules, resulting in decline of rice seed setting.
- OsRopGEF7B plays roles in floral organ development in rice, affecting rice seed setting rate.
- OsRopGEF7Bpro:GUS analysis indicates that OsRopGEF7B is expressed in various tissues, especially in the floral meristem and floral organ primordia.
Functional Keywords
- resistance , blast , immune-response , plasma-membrane , Kinase , chitin-signaling , growth , development , seed , floral , meristem , floral-meristem , floral-organ
Literature and News
- An OsCEBiP/OsCERK1-OsRacGEF1-OsRac1 module is an essential early component of chitin-induced rice immunity . DOI: 10.1016/j.chom.2013.03.007 ; PMID: 23601108
- New insights into the dimerization of small GTPase Rac/ROP guanine nucleotide exchange factors in rice . DOI: 10.1080/15592324.2015.1044702 ; PMID: 26251883
- Crosstalk of Signaling Mechanisms Involved in Host Defense and Symbiosis Against Microorganisms in Rice . DOI: 10.2174/1389202917666160331201602 ; PMID: 27499679
- Guanine Nucleotide Exchange Factor 7B (RopGEF7B) is involved in floral organ development in Oryza sativa . DOI: 10.1186/s12284-018-0235-0 ; PMID: 30062598
Gene Resources
- UniProt: A2ZZK5
- EMBL: AP004127, AP014957
- EnsemblPlants: Os01t0849100-01
- Gramene: Os01t0849100-01
- KEGG: osa:4324859
- Orthologous matrix: WRRRSYS
- InterPro: IPR005512, IPR038937
- PANTHER: PTHR33101, PTHR33101:SF14
- PROSITE: PS51334
- Gene3D: 1.20.58.2010
- OrthoDB: A2ZZK5
- SWISS-MODEL: A2ZZK5
- eggNOG: ENOG502QPIY
Sequences
cDNA Sequence
- >LOC_Os01g62990.1
ATGGGGAGCGGGGAGGAGGAGAGGGAGGCGCGGAGCGAGGCGGCGTTCACGGACTCCGCCGACGGGAGCAGCTCCAGCTCCGACGCGGCCTCGGCCGACGAGTGGCCCGTGACGCTGGCGGCGCCGCCCAGGAAGACGGCGGCGTGCGGCCGCGTCCCCGGCGCGGAGGTGGTGGACAGCAGCAAGCCGCACGCGCAGAAGCGCAGAGCTCCCAGCTCAGAGATGGAGATGATGAAGGAGAGGTTCGCGAAGCTGCTGCTCGGGGAGGACATGTCCGGGAGCGGCAAGGGCGTGTGCACGGCGCTCGCCATTGCCAACGCCATTACCAACCTCTGCGCCACCATCTTCGGGCAGCTGTGGAGGCTGGAGCCACTCCCGCCGGAGAAGAAGGCCATGTGGCGGCGCGAGATGGGCTGGCTGCTCTGCGTCAGCGACCACATCGTCGAACTGGTCCCCACCTGGCAATCGTTCCCCGACGGAACCAGGCTCGAGGTCATGACAAGCAGACCACGATCTGATTTATACATCAATCTGCCAGCACTTCGGAAGCTAGACCATATGCTCATTGAAATCCTGGACAGCTTCAGAGACCCTGAGTTCTGGTACGTTGAACAAGGGATATGCGCACCGGATTGTGATGGCTCAGCTTCCTTCAGAGCAGCTTTCCACCGCCGTGATGAGAAATGGTGGTTGCCGGTGCCTCGTGTTCCTCCCGGAGGCCTGCGTGACAAAGCGAGGAAGCAACTGCAGCACAAACGTGACTGTGCTAATCAAATCTTGAAGGCTGCCTTGGCCATCAACAGCAATGCTCTAGCTGAAATGGAGGTCCCTGAATCGTATCTAGAATCCCTACCAAAGAATGGAAGGGCAACTTTGGGTGACATCATATACCGCTACATAACGTCTGATCATTTCTCTCCTGAGTGCCTTCTCGACTGCCTGGACCTGTCAACGGAGTACCAAGCACTGGAAATCGCCAACCGTGTCGAGGCATCAGTGTATGTGTGGCGCCGGAGGATTGCTGCAAAACCAGCAAGTGTCTTAGGCCGTGCCACCAGTGGCAGATCATCCTGGGGCATGGTGAAAGACATGATAATAGACACGGAGAAGAGGGAGCTGCTTGCCGAACGAGCAGAGGGCCTACTGATATGTTTGAAGCAAAGGTTTCCTGGACTGACGCAGACAAGCTTGGACATGAGCAAAATTCAGTATAACAGGGATGTGGGTAAATCAATACTGGAGAGTTATTCAAGGGTGCTGGAGAGTCTGGCGTCCAACATTGTCGCTCGCATCGACGACCTACTGAACATCGATGAACTGAACAGGCATGCAGAGCATTTTCCACAGGGTGATGCAGATTGCAGGATTGCTTGCAACAAGGCTGCTGTTCCACCGTACCAAGTGCCTGCCTCAGGCACACCGTTTGTGACCGCATATGCGACGCCCAGCTTCTCGCCGGCGCAGCTTGCAAGCCCATCAAAGAAAGAGAGGAGCCCACTGGGTGCAGGGAGACGGTCTTACAGCAACAGGGGGTTTGGCGCAAAGAAAGCCTTGGCAATTGATCTAGTTAATCCTGAAGTAATGGGGGTGATAATCAGCGGTGGTAAGATGATCGATGTCTCGACGACCACAGAGCTGTAA
CDS Sequence
- >LOC_Os01g62990.1
ATGGGGAGCGGGGAGGAGGAGAGGGAGGCGCGGAGCGAGGCGGCGTTCACGGACTCCGCCGACGGGAGCAGCTCCAGCTCCGACGCGGCCTCGGCCGACGAGTGGCCCGTGACGCTGGCGGCGCCGCCCAGGAAGACGGCGGCGTGCGGCCGCGTCCCCGGCGCGGAGGTGGTGGACAGCAGCAAGCCGCACGCGCAGAAGCGCAGAGCTCCCAGCTCAGAGATGGAGATGATGAAGGAGAGGTTCGCGAAGCTGCTGCTCGGGGAGGACATGTCCGGGAGCGGCAAGGGCGTGTGCACGGCGCTCGCCATTGCCAACGCCATTACCAACCTCTGCGCCACCATCTTCGGGCAGCTGTGGAGGCTGGAGCCACTCCCGCCGGAGAAGAAGGCCATGTGGCGGCGCGAGATGGGCTGGCTGCTCTGCGTCAGCGACCACATCGTCGAACTGGTCCCCACCTGGCAATCGTTCCCCGACGGAACCAGGCTCGAGGTCATGACAAGCAGACCACGATCTGATTTATACATCAATCTGCCAGCACTTCGGAAGCTAGACCATATGCTCATTGAAATCCTGGACAGCTTCAGAGACCCTGAGTTCTGGTACGTTGAACAAGGGATATGCGCACCGGATTGTGATGGCTCAGCTTCCTTCAGAGCAGCTTTCCACCGCCGTGATGAGAAATGGTGGTTGCCGGTGCCTCGTGTTCCTCCCGGAGGCCTGCGTGACAAAGCGAGGAAGCAACTGCAGCACAAACGTGACTGTGCTAATCAAATCTTGAAGGCTGCCTTGGCCATCAACAGCAATGCTCTAGCTGAAATGGAGGTCCCTGAATCGTATCTAGAATCCCTACCAAAGAATGGAAGGGCAACTTTGGGTGACATCATATACCGCTACATAACGTCTGATCATTTCTCTCCTGAGTGCCTTCTCGACTGCCTGGACCTGTCAACGGAGTACCAAGCACTGGAAATCGCCAACCGTGTCGAGGCATCAGTGTATGTGTGGCGCCGGAGGATTGCTGCAAAACCAGCAAGTGTCTTAGGCCGTGCCACCAGTGGCAGATCATCCTGGGGCATGGTGAAAGACATGATAATAGACACGGAGAAGAGGGAGCTGCTTGCCGAACGAGCAGAGGGCCTACTGATATGTTTGAAGCAAAGGTTTCCTGGACTGACGCAGACAAGCTTGGACATGAGCAAAATTCAGTATAACAGGGATGTGGGTAAATCAATACTGGAGAGTTATTCAAGGGTGCTGGAGAGTCTGGCGTCCAACATTGTCGCTCGCATCGACGACCTACTGAACATCGATGAACTGAACAGGCATGCAGAGCATTTTCCACAGGGTGATGCAGATTGCAGGATTGCTTGCAACAAGGCTGCTGTTCCACCGTACCAAGTGCCTGCCTCAGGCACACCGTTTGTGACCGCATATGCGACGCCCAGCTTCTCGCCGGCGCAGCTTGCAAGCCCATCAAAGAAAGAGAGGAGCCCACTGGGTGCAGGGAGACGGTCTTACAGCAACAGGGGGTTTGGCGCAAAGAAAGCCTTGGCAATTGATCTAGTTAATCCTGAAGTAATGGGGGTGATAATCAGCGGTGGTAAGATGATCGATGTCTCGACGACCACAGAGCTGTAA
Protein Sequence
- >LOC_Os01g62990.1
MGSGEEEREARSEAAFTDSADGSSSSSDAASADEWPVTLAAPPRKTAACGRVPGAEVVDSSKPHAQKRRAPSSEMEMMKERFAKLLLGEDMSGSGKGVCTALAIANAITNLCATIFGQLWRLEPLPPEKKAMWRREMGWLLCVSDHIVELVPTWQSFPDGTRLEVMTSRPRSDLYINLPALRKLDHMLIEILDSFRDPEFWYVEQGICAPDCDGSASFRAAFHRRDEKWWLPVPRVPPGGLRDKARKQLQHKRDCANQILKAALAINSNALAEMEVPESYLESLPKNGRATLGDIIYRYITSDHFSPECLLDCLDLSTEYQALEIANRVEASVYVWRRRIAAKPASVLGRATSGRSSWGMVKDMIIDTEKRELLAERAEGLLICLKQRFPGLTQTSLDMSKIQYNRDVGKSILESYSRVLESLASNIVARIDDLLNIDELNRHAEHFPQGDADCRIACNKAAVPPYQVPASGTPFVTAYATPSFSPAQLASPSKKERSPLGAGRRSYSNRGFGAKKALAIDLVNPEVMGVIISGGKMIDVSTTTEL*