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Enhanced multiple stress tolerance in?Arabidopsis by?overexpressionof?the?polar moss peptidyl prolyl isomerase FKBP12 gene

Cited 1 time in scopus
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Title
Enhanced multiple stress tolerance in?Arabidopsis by?overexpressionof?the?polar moss peptidyl prolyl isomerase FKBP12 gene
Other Titles
남극이끼 유래 FKBP12 유전자를 활용한 애기장대의 복합스트레스 내성 증대
Authors
Hemasundar Alavilli
Lee, Byeong-ha
Yun, Dae-Jin
Park, Mira
Lee, Hyoungseok
Subject
Plant Sciences
Issue Date
2018
Citation
Hemasundar Alavilli, et al. 2018. "Enhanced multiple stress tolerance in?Arabidopsis by?overexpressionof?the?polar moss peptidyl prolyl isomerase FKBP12 gene". PLANT CELL REPORTS, 37(3): 453-465.
Abstract
Polytrichastrum alpinum (alpine haircap moss) is one of polar organisms that can withstand the severe conditions of the Antarctic. In this study, we report the isolation of a peptidyl prolyl isomerase FKBP12 gene (PaFKBP12) from P. alpinum collected in the Antarctic and its functional implications in development and stress responses in plants. In P. alpinum, PaFKBP12 expression was induced by heat and ABA. Overexpression of PaFKBP12 in Arabidopsis increased the plant size, which appeared to result from increased rates of cell cycle. Under heat stress conditions, PaFKBP12-overexpressing lines (PaFKBP12-OE) showed better growth and survival than the wild type. PaFKBP12-OE also showed higher root elongation rates, better shoot growth and enhanced survival at high concentrations of ABA in comparison to the wild type. In addition, PaFKBP12-OE were more tolerant to drought and salt stress than the wild type. All these phenotypes were accompanied with higher induction of the stress responsive genes in PaFKBP12-OE than in the wild type. Taken together, our findings revealed important functions of PaFKBP12 in plant development and abiotic stress responses.
URI
http://repository.kopri.re.kr/handle/201206/6139
DOI
http://dx.doi.org/10.1007/s00299-017-2242-9
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