ABCD2 p.Ser252Phe
| Predicted by SNAP2: | A: N (61%), C: D (59%), D: N (57%), E: N (53%), F: D (71%), G: N (82%), H: N (53%), I: D (59%), K: N (57%), L: D (59%), M: N (53%), N: N (93%), P: D (63%), Q: N (53%), R: D (53%), T: N (72%), V: N (53%), W: D (66%), Y: D (71%), |
| Predicted by PROVEAN: | A: N, C: D, D: N, E: N, F: D, G: N, H: N, I: D, K: N, L: D, M: D, N: N, P: D, Q: N, R: N, T: N, V: D, W: D, Y: D, |
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[hide] Suppression of edr2-mediated powdery mildew resist... J Genet Genomics. 2011 Apr 20;38(4):137-48. Epub 2011 Mar 23. Nie H, Wu Y, Yao C, Tang D
Suppression of edr2-mediated powdery mildew resistance, cell death and ethylene-induced senescence by mutations in ALD1 in Arabidopsis.
J Genet Genomics. 2011 Apr 20;38(4):137-48. Epub 2011 Mar 23., [PMID:21530897]
Abstract [show]
EDR2 is a negative regulator of the defense response and cell death in Arabidopsis. Loss-of-function of EDR2 leads to enhanced resistance to powdery mildew. To identify new components in the EDR2 signal transduction pathway, mutations that suppress edr2 resistant phenotypes were screened. Three mutants, edts5-1, edts5-2 and edts5-3 (edrtwo suppressor 5), were identified. The EDTS5 gene was identified by map-based cloning and previously was shown to encode an aminotransferase (ALD1). Therefore we renamed these three alleles ald1-10, ald1-11 and ald1-12, respectively. Mutations in ALD1 suppressed all edr2-mediated phenotypes, including powdery mildew resistance, programmed cell death and ethylene-induced senescence. Accumulation of hydrogen peroxide in edr2 was also suppressed by ald1 mutation. The expression of defense-related genes was up-regulated in the edr2 mutant, and the up-regulation of those genes in edr2 was suppressed in the edr2/ald1 double mutant. The ald1 single mutant displayed delayed ethylene-induced senescence. In addition, ald1 mutation suppressed edr1-mediated powdery mildew resistance, but could not suppress the edr1/edr2 double-mutant phenotype. These data demonstrate that ALD1 plays important roles in edr2-mediated defense responses, and senescence and revealed a crosstalk between ethylene and salicylic acid signaling mediated by ALD1 and EDR2.
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No. Sentence Comment
167 In edr2/edts5-2, a C-to-T mutation was identified, which caused an amino acid substitution (S252F) in the ALD1 protein (Fig. 2B).
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ABCD2 p.Ser252Phe 21530897:167:92
status: NEW