Os02g0202000
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Contents
Annotated Information
The ethylene response factor (ERF) gene WIN1/SHN1 was shown to transcriptionally activate the expression of wax synthesis genes and wax production, resulting in drought tolerance in Arabidopsis. To further investigate the regulation of ERF proteins in rice, we started with homology search for rice genes in the National Center of Biological Informatics using the Arabidopsis WIN1/SHN1 as a probe and found 4 rice orthologues with high amino acid identities in N-terminal region. These rice WIN1-like genes, named rice wax synthesis regulator (OsWR), all encode ERF proteins that contain a basic N-terminal region that might function as an nuclear localization signal and an acidic C-terminal region that might act as an activation domain for transcription. OsWR1 (Os02g0202000) is one of them.
Function
Transcript analysis showed that OsWR1 is induced by drought, abscisic acid and salt, and is predominantly expressed in leaves. Functional analyses indicated that over expressing OsWR1 improved while RNA interference OsWR1 rice decreased drought tolerance, consistent with water loss and cuticular permeability, suggesting that OsWR1-triggered drought response might be associated with cuticular characteristics. In addition, OsWR1 activated the expression of the genes-related to oxidative stress response and membrane stability. Gas chromatograph–mass spectrometry analysis further showed that OsWR1 modulated the wax synthesis through alteration of long chain fatty acids and alkanes, evidencing the regulation of OsWR1 in wax synthesis. This WIN1-like OsWR1 controls wax formation by direct or collaborative activation of wax synthesis genes, and this regulation, distinct from its homology regulator of WIN1/SHN1 in cutin synthesis, subsequently results in reduced water loss and enhanced drought tolerance.
Expression
OsWR1 (Os02g0202000), encodes a protein of 205 amino acids with a predicted protein molecular weight of 22.45 kDa.
Evolution
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Labs working on this gene
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References
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Structured Information
| Gene Name |
Os02g0202000 |
|---|---|
| Description |
Pathogenesis-related transcriptional factor and ERF domain containing protein |
| Version |
NM_001052761.2 GI:297598782 GeneID:4328653 |
| Length |
1051 bp |
| Definition |
Oryza sativa Japonica Group Os02g0202000, 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 | |
| Location |
Chromosome 2:5688756..5689806 |
| Sequence Coding Region |
5688851..5688933,5689055..5689589 |
| Expression | |
| Genome Context |
<gbrowseImage1> name=NC_008395:5688756..5689806 source=RiceChromosome02 preset=GeneLocation </gbrowseImage1> |
| Gene Structure |
<gbrowseImage2> name=NC_008395:5688756..5689806 source=RiceChromosome02 preset=GeneLocation </gbrowseImage2> |
| Coding Sequence |
<cdnaseq>atggtacagccaaagaagaagtttcgtggagtcaggcagcggcactggggctcctgggtctctgagatcagacaccccctccttaaaaggagggtgtggctgggcacctttgagacggccgaggaggctgcgcgagcctacgatgaggctgctgtgctgatgagtggccgcaacgccaagaccaacttccccgtgcagaggaactccaccggtgatctcgccacggccgcagaccaggacgcccgtagcaatggcggtagcaggaactcctccgcgggcaacctgtcacagattctcagtgctaagctccgcaagtgctgcaaggcgccatctccgtccttaacctgcctccgcctcgaccccgagaagtcccacattggcgtgtggcaaaagcgcgcaggggcccgtgctgactccaactgggtgatgacggtggagctcaacaaagaggtagaaccaactgaacctgcagctcagcccacatcaacagcaacagcttcgcaagtgacaatggatgatgaggaaaagattgcgctgcaaatgatcgaggagttgctgagcaggagcagtccagcttcaccctcacatggagagggagagggtagctttgtcatctga</cdnaseq> |
| Protein Sequence |
<aaseq>MVQPKKKFRGVRQRHWGSWVSEIRHPLLKRRVWLGTFETAEEAA RAYDEAAVLMSGRNAKTNFPVQRNSTGDLATAADQDARSNGGSRNSSAGNLSQILSAK LRKCCKAPSPSLTCLRLDPEKSHIGVWQKRAGARADSNWVMTVELNKEVEPTEPAAQP TSTATASQVTMDDEEKIALQMIEELLSRSSPASPSHGEGEGSFVI</aaseq> |
| Gene Sequence |
<dnaseqindica>96..178#300..834#gttcagttcagaggcgcctagcaatagcagctcattgcctcatctctgcctcccctgtccttctgggggcagagaatctctccactgctggaaaaatggtacagccaaagaagaagtttcgtggagtcaggcagcggcactggggctcctgggtctctgagatcagacaccccctcctgtaagctcttctatcaacatccctctaattttctgctaataatgttatgttttgatgtgtctaatactctaatctaataagtaataagtctcaatgcatatggtgtttgcaactaatgcagtaaaaggagggtgtggctgggcacctttgagacggccgaggaggctgcgcgagcctacgatgaggctgctgtgctgatgagtggccgcaacgccaagaccaacttccccgtgcagaggaactccaccggtgatctcgccacggccgcagaccaggacgcccgtagcaatggcggtagcaggaactcctccgcgggcaacctgtcacagattctcagtgctaagctccgcaagtgctgcaaggcgccatctccgtccttaacctgcctccgcctcgaccccgagaagtcccacattggcgtgtggcaaaagcgcgcaggggcccgtgctgactccaactgggtgatgacggtggagctcaacaaagaggtagaaccaactgaacctgcagctcagcccacatcaacagcaacagcttcgcaagtgacaatggatgatgaggaaaagattgcgctgcaaatgatcgaggagttgctgagcaggagcagtccagcttcaccctcacatggagagggagagggtagctttgtcatctgaaaggcttggatgaaacgacggcataacgaagtcaccactctagaccatggttccagaatttcctgctggtacacaggcagttcagattacttcagtacaatagaaaatatctattacttcagacaagtaacaagacatataagtttgcaactatgtgtagctatatgtgtttatgaaaagctatatatacgcagtctccatcaacatactttgttac</dnaseqindica> |
| External Link(s) |
