Gene Details:
- MSU gene ID: LOC_Os01g64970
- RAPdb gene ID: Os01g0869900
- Gene Symbol: SAPK4 OSPDK
- Genome: MSU7 , IRGSP-1.0
- Species: Oryza sativa
Functional Descriptions:
- Induced expression of SAPK4 resulted in improved germination, growth and development under salt stress both in seedlings and mature plants.
- CONCLUSION: Our results show that SAPK4 regulates ion homeostasis and growth and development under salinity and suggest function of SAPK4 as a regulatory factor in plant salt stress acclimation.
- SAPK4-regulated genes with functions in ion homeostasis and oxidative stress response were identified: the vacuolar H+-ATPase, the Na+/H+ antiporter NHX1, the Cl- channel OsCLC1 and a catalase.
- Here, we address a specific role of spermidine during high salt stress by studying its interaction with OSPDK, a sucrose nonfermenting 1-related protein kinase2 (SnRK2)-type serine/threonine protein kinase SAPK4 homolog in indica rice.
- In this study, we characterized the function of the sucrose nonfermenting 1-related protein kinase2 (SnRK2) SAPK4 in the salt stress response of rice.
- To examine the role of SAPK4 in salt tolerance we generated transgenic rice plants with over-expression of rice SAPK4 under control of the CaMV-35S promoter.
- In response to salt stress, the SAPK4-overexpressing rice accumulated less Na+ and Cl- and showed improved photosynthesis.
- In this report, we demonstrate that spermidine mediates in vitro phosphorylation of OSBZ8, a bZIP class of ABRE-binding transcription factor, by OSPDK.
Function-related keywords:
- seedling , salinity , oxidative , salt , photosynthesis , growth , salt-stress , transcription-factor , salt-tolerance , homeostasis
Literature:
- Spermidine-mediated in vitro phosphorylation of transcriptional regulator OSBZ8 by SNF1-type serine/threonine protein kinase SAPK4 homolog in indica rice . DOI: 10.1007/s11738-012-0929-7
- The SNF1-type serine-threonine protein kinase SAPK4 regulates stress-responsive gene expression in rice . DOI: 10.1186/1471-2229-8-49 ; PMID: 18442365
- Differential activation of the rice sucrose nonfermenting1-related protein kinase2 family by hyperosmotic stress and abscisic acid . DOI: 10.1105/tpc.019943 ; PMID: 15084714
Related News:
Gene Resources:
Sequences:
cDNA Sequence
- >LOC_Os01g64970.1 cDNA CGAGAGGCGCCGCGCCACCATCACCACCCACCCCGCTCCTCGCGCCGCCGACGCGCCACCCGCCGGCGACGGCGAGGACCGCGCCGCCGGTGTCATCGTGCCGTGCCGATCCCTCCCCCGGCGGATCCACGGGCTGAGCCGATCCCGTCCGTGGAGAGGAGAGGAGGAGGGGAGGGGGAAGGGGAGAGGGGGGGAGATGGAGAAGTACGAGGCGGTGAGGGACATCGGGTCGGGGAACTTCGGGGTGGCGCGGCTGATGCGCAACCGCGAGACCCGCGAGCTCGTCGCCGTCAAGTGCATCGAGCGCGGCCACCGGATAGATGAGAATGTGTACAGGGAGATCATCAACCACCGCTCGCTGCGCCACCCCAACATCATTCGCTTCAAGGAGGTGATACTGACGCCAACGCATCTTATGATTGTCATGGAGTTCGCAGCAGGCGGGGAGCTGTTCGATCGAATCTGTGATCGTGGACGGTTCAGTGAGGATGAGGCCAGGTATTTCTTTCAGCAGCTGATCTGTGGAGTGAGCTACTGCCATCACATGCAAATATGCCATAGAGATTTGAAGTTGGAGAATGTTCTCTTGGATGGCAGCCCAGCTCCACGGCTTAAGATATGTGATTTTGGCTACTCCAAGTCATCAGTATTGCATTCAAGACCCAAATCAGCAGTGGGGACGCCAGCATATATCGCACCAGAGGTGCTATCCCGCCGTGAGTATGATGGAAAGCTTGCAGATGTATGGTCCTGTGGTGTGACTCTTTACGTCATGCTTGTGGGAGCCTACCCATTTGAAGACCAGGACGACCCCAAGAACATTCGCAAAACCATTCAGAGAATAATGTCAGTGCAATATAAGATACCAGATTACGTCCACATATCTGCAGAATGCAAACAGCTTATTGCCCGCATTTTTGTCAACAATCCATTGAGGAGAATCACGATGAAGGAAATAAAGAGCCACCCGTGGTTCTTGAAGAACCTCCCCAGGGAGCTCACGGAGACTGCGCAAGCCATGTACTACAGGAGGGACAACTCCGTGCCTTCCTTCTCAGACCAGACCTCAGAAGAGATCATGAAGATTGTTCAAGAAGCAAGAACCATGCCGAAATCATCCAGGACAGGCTACTGGAGCGACGCGGGTTCAGACGAGGAGGAGAAGGAAGAGGAAGAGAGGCCAGAAGAGAACGAGGAAGAGGAGGAAGATGAGTACGATAAGAGGGTCAAAGAGGTCCATGCGAGCGGGGAGCTCCGTATGAGCTCACTGCGCATATGAAAAAGTTTGTGTGCAGCTATTGTGTAGATAATCCGGCTTACTATGGAACTGCGGTGTATGCAATTTTCGCTGTAAATTTGCTTCTGTTTGGCGTTTCTTCGTGTAACATAACTTACTTGGGGGCGCTTGGACTTCAATTGTCTGATTATGTTTTGTAAGTACCTACATATTAAGCGTATGCTATGTACTTGGTGAGAAACTTCTAGCACCACATGTCAGCAATTGTACAGTATATTATTGGAATACCGCAGCTTTGCCATTGCCTCCAAAACTGGCCCTATACATCTGTCCAACAAACTGCAATTCCACAAGCAACAGCCAAACATAGCAATTTGCAATTTTGCATTCCTTTAGCCATGCCAGCTCTATCCAGGATGACCTCATACAAGCCTGGGGGCCAGCTCTATCAGGATGACCTCATACAAGCCTGGGGGTAGAGCATTCATATAAGCCTGGGGGCCAGCTCTATCAGGATGACCTCATACAAGCCTGGGGGTAGAGCATTCATATGAACCTTGGATGAGAGTATCCAGGCAACCATTCCTTTAGCCCTCATACAAGCCTGGGGGTAGAGACCCTCATACAAGCCTGGGGGTAGAGCATTCATATGAACCTTGGATGAGAGTATCCAGGCAACCATTCCTTTAGCCATGCCA
CDS Sequence
- >LOC_Os01g64970.1 CDS ATGGAGAAGTACGAGGCGGTGAGGGACATCGGGTCGGGGAACTTCGGGGTGGCGCGGCTGATGCGCAACCGCGAGACCCGCGAGCTCGTCGCCGTCAAGTGCATCGAGCGCGGCCACCGGATAGATGAGAATGTGTACAGGGAGATCATCAACCACCGCTCGCTGCGCCACCCCAACATCATTCGCTTCAAGGAGGTGATACTGACGCCAACGCATCTTATGATTGTCATGGAGTTCGCAGCAGGCGGGGAGCTGTTCGATCGAATCTGTGATCGTGGACGGTTCAGTGAGGATGAGGCCAGGTATTTCTTTCAGCAGCTGATCTGTGGAGTGAGCTACTGCCATCACATGCAAATATGCCATAGAGATTTGAAGTTGGAGAATGTTCTCTTGGATGGCAGCCCAGCTCCACGGCTTAAGATATGTGATTTTGGCTACTCCAAGTCATCAGTATTGCATTCAAGACCCAAATCAGCAGTGGGGACGCCAGCATATATCGCACCAGAGGTGCTATCCCGCCGTGAGTATGATGGAAAGCTTGCAGATGTATGGTCCTGTGGTGTGACTCTTTACGTCATGCTTGTGGGAGCCTACCCATTTGAAGACCAGGACGACCCCAAGAACATTCGCAAAACCATTCAGAGAATAATGTCAGTGCAATATAAGATACCAGATTACGTCCACATATCTGCAGAATGCAAACAGCTTATTGCCCGCATTTTTGTCAACAATCCATTGAGGAGAATCACGATGAAGGAAATAAAGAGCCACCCGTGGTTCTTGAAGAACCTCCCCAGGGAGCTCACGGAGACTGCGCAAGCCATGTACTACAGGAGGGACAACTCCGTGCCTTCCTTCTCAGACCAGACCTCAGAAGAGATCATGAAGATTGTTCAAGAAGCAAGAACCATGCCGAAATCATCCAGGACAGGCTACTGGAGCGACGCGGGTTCAGACGAGGAGGAGAAGGAAGAGGAAGAGAGGCCAGAAGAGAACGAGGAAGAGGAGGAAGATGAGTACGATAAGAGGGTCAAAGAGGTCCATGCGAGCGGGGAGCTCCGTATGAGCTCACTGCGCATATGA
Protein Sequence
- >LOC_Os01g64970.1 protein MEKYEAVRDIGSGNFGVARLMRNRETRELVAVKCIERGHRIDENVYREIINHRSLRHPNIIRFKEVILTPTHLMIVMEFAAGGELFDRICDRGRFSEDEARYFFQQLICGVSYCHHMQICHRDLKLENVLLDGSPAPRLKICDFGYSKSSVLHSRPKSAVGTPAYIAPEVLSRREYDGKLADVWSCGVTLYVMLVGAYPFEDQDDPKNIRKTIQRIMSVQYKIPDYVHISAECKQLIARIFVNNPLRRITMKEIKSHPWFLKNLPRELTETAQAMYYRRDNSVPSFSDQTSEEIMKIVQEARTMPKSSRTGYWSDAGSDEEEKEEEERPEENEEEEEDEYDKRVKEVHASGELRMSSLRI*