The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.
OsWRKY45 alleles play different roles in abscisic acid signalling and salt stress tolerance but similar roles in drought and cold tolerance in rice
Open accessAbstract
Although allelic diversity of genes has been shown to contribute to many phenotypic variations associated with different physiological processes in plants, information on allelic diversity of abiotic stress-responsive genes is limited. Here it is shown that the alleles OsWRKY45-1 and OsWRKY45-2 play different roles in abscisic acid (ABA) signalling and salt stress adaptation in rice. The two alleles had different transcriptional responses to ABA and salt stresses. OsWRKY45-1-overexpressing lines showed reduced ABA sensitivity, whereas OsWRKY45-1-knockout lines showed increased ABA sensitivity. OsWRKY45-1 transgenic plants showed no obvious difference from negative controls in response to salt stress. In contrast, OsWRKY45-2-overexpressing lines showed increased ABA sensitivity and reduced salt stress tolerance, and OsWRKY45-2-suppressing lines showed reduced ABA sensitivity and increased salt stress tolerance. OsWRKY45-1 and OsWRKY45-2 transgenic plants showed differential expression of a set of ABA- and abiotic stress-responsive genes, but they showed similar responses to cold and drought stresses. These results suggest that OsWRKY45-1 negatively and OsWRKY45-2 positively regulates ABA signalling and, in addition, OsWRKY45-2 but not OsWRKY45-1 negatively regulates rice response to salt stress. The different roles of the two alleles in ABA signalling and salt stress may be due to their transcriptional mediation of different signalling pathways.
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Cites
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Cold, salinity and drought stresses: An overview
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Role of plant hormones in plant defence responses
Bari, R., & Jones, J. D. G. (2009) · Plant Molecular Biology · doi:10.1007/s11103-008-9435-0 · Cited by 2,565
ABSCISIC ACID BIOSYNTHESIS AND CATABOLISM
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Sub1A is an ethylene-response-factor-like gene that confers submergence tolerance to rice
Xu, K., Xu, X., Fukao, T., Canlas, P., Maghirang-Rodriguez, R., Heuer, S., Ismail, A. M., Bailey-Serres, J., Ronald, P. C., & Mackill, D. J. (2006) · Nature · doi:10.1038/nature04920 · Cited by 1,649
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Shahzad, R., Khan, A. L., Bilal, S., Waqas, M., Kang, S.-M., & Lee, I.-J. (2017) · Environmental and Experimental Botany · doi:10.1016/j.envexpbot.2017.01.010 · Cited by 367
Pang, Y., Chen, K., Wang, X., Wang, W., Xu, J., Ali, J., & Li, Z. (2017) · Frontiers in Plant Science · doi:10.3389/fpls.2017.01275 · Cited by 46
Metadata
- Authors
- Tao, Z., Kou, Y., Liu, H., Li, X., Xiao, J., & Wang, S.
- Venue
- Journal of Experimental Botany
- Publisher
- Oxford University Press (OUP)
- Published
- 2011-07-01
- Volume
- 62
- Issue
- 14
- Pages
- 4863-4874
- ISSN
- 0022-0957 (ISSN-L)
- 1460-2431
- OpenAlex
- W2155847605
- Cited by
- 265
- References
- 49
- FWCI
- 13.44
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Tao, Z., Kou, Y., Liu, H., Li, X., Xiao, J., & Wang, S. (2011). OsWRKY45 alleles play different roles in abscisic acid signalling and salt stress tolerance but similar roles in drought and cold tolerance in rice. Journal of Experimental Botany. https://doi.org/10.1093/jxb/err144
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