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| Mutant name | Gα-null mutant (DK22) |
| Mutant/Transgenic |
mutant |
| Ecotype |
Rice (Oryza sativa) |
| Mutagenesis type |
T-DNA |
| (Semi-)Dominant/Recessive |
recessive |
| Description |
Loss-of-function mutations in the corresponding genes encoding the Gα subunit attenuate growth inhibition and cellular senescence caused by sodium chloride (NaCl). Gα null mutations conferred reduced leaf senescence, chlorophyll degradation, and cytoplasm electrolyte leakage under NaCl stress. |
| References |
1: Urano D, Colaneri A, Jones AM.Gα modulates salt-induced cellular senescence and cell division in rice and maize.J Exp Bot. 2014 Dec;65(22):6553-61. doi: 10.1093/jxb/eru372. Epub 2014 Sep 16.2: Fujisawa Y, Kato T, Ohki S, Ishikawa A, Kitano H, Sasaki T, Asahi T, Iwasaki Y.Suppression of the heterotrimeric G protein causes abnormal morphology, including dwarfism, in rice.Proc Natl Acad Sci U S A. 1999 Jun 22;96(13):7575-80.
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| | GenBank ID |
AB026177.1 | | Alias |
OsGα | | Organism |
Rice (Oryza sativa) | | Description |
The plant G-protein network, comprising Gα, Gβ, and Gγ core subunits, regulates development, senses sugar, and mediates biotic and abiotic stress responses. |
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