Information report for OsABA2
Gene Details
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Functional Descriptions
- Moreover, expression of OsABA2 in an Arabidopsis aba2 mutant rescued the aba2 mutant phenotypes, characterized by reduced growth, increased water loss, and germination in the presence of paclobutrazol, a gibberellin biosynthesis inhibitor or high concentration of glucose.
- Expression analysis of OsABA2 mRNA showed that the transcript level did not change in response to treatment with ABA or dehydration.
- These results indicate that OsABA2 is a rice XanDH that functions in ABA biosynthesis.
- Map-based cloning identified a G-to-A point mutation resulting in a D-to-N substitution at the amino acid position 110 of OsABA2 (LOC_Os03g59610) in lmm9150.
- Consistent with the function of OsABA2 in ABA biosynthesis, ABA level in the lmm9150 mutant was significantly reduced.
- We also found that OsABA2 has feedback regulation on OsMPK1 kinase activity.
- Finally, genetic analysis showed that OsABA2 can enhance the sensitivity of rice to ABA and the tolerance of rice to drought and salt stress.
- Further research reveals that OsMPK1 and OsABA2 coordinately regulate the biosynthesis of ABA, and phosphorylation of OsABA2 at Ser197 by OsMPK1 plays a crucial role in regulating the biosynthesis of ABA.
- Phosphorylation of OsABA2 at Ser197 by OsMPK1 regulates abscisic acid biosynthesis in rice.
- Here, by using yeast two-hybrid assay and firefly luciferase complementary imaging assay, we show that OsMPK1 physically interact with a short-chain dehydrogenase protein OsABA2.
Functional Keywords
Literature and News
- Functional characterization of xanthoxin dehydrogenase in rice . DOI: 10.1016/j.jplph.2014.05.003 ; PMID: 25014258
- Mutation in Rice Abscisic Acid2 Results in Cell Death, Enhanced Disease-Resistance, Altered Seed Dormancy and Development . DOI: 10.3389/fpls.2018.00405 ; PMID: 29643863
- Phosphorylation of OsABA2 at Ser197 by OsMPK1 regulates abscisic acid biosynthesis in rice . DOI: 10.1016/j.bbrc.2021.11.067 ; PMID: 34826703
Gene Resources
- UniProt: Q7XZH5
- EMBL: AK070201, AP014959, DP000009
- AlphaFoldDB: Q7XZH5
- EnsemblPlants: Os03t0810800-01
- Gramene: Os03t0810800-01
- KEGG: osa:4334535
- Orthologous matrix: YMTGTDF
- InterPro: IPR002347, IPR036291, IPR045309
- PANTHER: PTHR42820, PTHR42820:SF1
- SUPFAM: SSF51735
- Gene3D: 3.40.50.720
- OrthoDB: Q7XZH5
- SWISS-MODEL: Q7XZH5
- Conserved Domain Database: cd05326
- eggNOG: KOG0725
Homologs
- Arabidopsis thaliana: AT3G29250, AT3G42960, AT2G29290, AT2G29330, AT3G12800, AT3G04000, AT2G29350
- Brassica napus: GSBRNA2T00012823001
- Malus domestica: MDP0000247912, MDP0000304669
- Nicotiana tabacum: XP_016491803.1
- Raphanus raphanistrum: RrC1188_p3
- Solanum lycopersicum: Solyc04g007400.3
- Solanum tuberosum: Soltu.DM.04G009040
Sequences
cDNA Sequence
- >LOC_Os03g59610.1
TTGGTCATTTTGATCGCGATCCACTCAAGCACCCGGGCTCCACTATAATAATGCAGGCTAGTGTAGCAGCCCAGCACACACACACTAGTGCAAGCAGCTCGAGCTTGAGCTCCACCTCGCCATCGCCGGCGACTTCTCCTGTCCTGACCGGCCGGAGCTCCGATCTTGGCGGTGACCAAGAGACCTGACGAGACGATGTCCGCCGCCGCCGCCGCCGCCGCATCCTCCCCCGCTCCCCGGTTGGAAAGCAAGGTTGCGCTGGTTACCGGTGGTGCTTCAGGTATTGGTGAAGCAATTGTTCGCCTCTTTAGAGAGCATGGTGCAAAGGTATGTATTGCAGATATCCAAGATGAAGCAGGTCAGAAGCTCCGGGACTCCCTTGGAGGTGACCAAGATGTCTTATTTGTCCACTGCGATGTTTCGGTGGAAGAGGATGTAGCCCGAGCGGTCGATGCAACAGCTGAAAAGTTTGGTACTCTTGACATCATGGTCAACAATGCTGGCTTTACAGGCCAGAAAATCACAGATATCCGAAACATCGACTTTTCTGAAGTCAGGAAGGTAATCGACATCAATTTAGTTGGTGTATTCCACGGGATGAAACACGCAGCGCGCATCATGATCCCCAATAAGAAGGGGTCCATCATCTCATTGGGAAGTGTTTCTAGTGTCATTGGAGGGTTGGGACCTCATTCATACACAGCAACCAAGCATGCTGTGGTGGGTCTAACCAAGAATGTAGCTGGGGAATTGGGGAAGCATGGGATACGCGTGAACTGCGTATCTCCCTATGCAGTGCCCACGGCTCTCTCCATGCCGTATCTGCCCCAGGGCGAGCGCAAGGATGATGCCCTGAAAGACTTTTTCGCCTTTGTTGGTGGTGAAGCAAACCTGAAAGGTGTGGATCTGCTACCTAAGGATGTTGCTCAAGCAGTGCTCTACTTGGCAAGCGATGAAGCGAGGTACATCAGCGCGCTCAACCTCATGGTGGATGGTGGCTTTACCTCTGTGAATCACAATTTGAGAGCATTTGAAGATTAACAGAAGTTGTTAGGCACAATTGGTACTCTAGTTTCAGATGCTATGTACCATTCTGATTTTAGAACTTTGATCAATTACCTAAAGTAAGAATGTCAATAAGGAATGCAATCTTGTATCTGTGGTATTGTATAGTACTATGATTGTATTGCCGGTGCTTAAGGACAATCATTGATTATTATCAGCACTATTATGTTACAGTTCTGAAAACTGGTATGAGTTCATATAGCATCAATTATTCAGGTGTGTTAAGTAA
CDS Sequence
- >LOC_Os03g59610.1
ATGTCCGCCGCCGCCGCCGCCGCCGCATCCTCCCCCGCTCCCCGGTTGGAAAGCAAGGTTGCGCTGGTTACCGGTGGTGCTTCAGGTATTGGTGAAGCAATTGTTCGCCTCTTTAGAGAGCATGGTGCAAAGGTATGTATTGCAGATATCCAAGATGAAGCAGGTCAGAAGCTCCGGGACTCCCTTGGAGGTGACCAAGATGTCTTATTTGTCCACTGCGATGTTTCGGTGGAAGAGGATGTAGCCCGAGCGGTCGATGCAACAGCTGAAAAGTTTGGTACTCTTGACATCATGGTCAACAATGCTGGCTTTACAGGCCAGAAAATCACAGATATCCGAAACATCGACTTTTCTGAAGTCAGGAAGGTAATCGACATCAATTTAGTTGGTGTATTCCACGGGATGAAACACGCAGCGCGCATCATGATCCCCAATAAGAAGGGGTCCATCATCTCATTGGGAAGTGTTTCTAGTGTCATTGGAGGGTTGGGACCTCATTCATACACAGCAACCAAGCATGCTGTGGTGGGTCTAACCAAGAATGTAGCTGGGGAATTGGGGAAGCATGGGATACGCGTGAACTGCGTATCTCCCTATGCAGTGCCCACGGCTCTCTCCATGCCGTATCTGCCCCAGGGCGAGCGCAAGGATGATGCCCTGAAAGACTTTTTCGCCTTTGTTGGTGGTGAAGCAAACCTGAAAGGTGTGGATCTGCTACCTAAGGATGTTGCTCAAGCAGTGCTCTACTTGGCAAGCGATGAAGCGAGGTACATCAGCGCGCTCAACCTCATGGTGGATGGTGGCTTTACCTCTGTGAATCACAATTTGAGAGCATTTGAAGATTAA
Protein Sequence
- >LOC_Os03g59610.1
MSAAAAAAASSPAPRLESKVALVTGGASGIGEAIVRLFREHGAKVCIADIQDEAGQKLRDSLGGDQDVLFVHCDVSVEEDVARAVDATAEKFGTLDIMVNNAGFTGQKITDIRNIDFSEVRKVIDINLVGVFHGMKHAARIMIPNKKGSIISLGSVSSVIGGLGPHSYTATKHAVVGLTKNVAGELGKHGIRVNCVSPYAVPTALSMPYLPQGERKDDALKDFFAFVGGEANLKGVDLLPKDVAQAVLYLASDEARYISALNLMVDGGFTSVNHNLRAFED*