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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 121 - 129 (9page)
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Selenium stress has a serious impact on the growth of plants. However, the available understanding on the mechanism of Se stress response is still insufficient. In this study, we found that the WRKY47 gene plays an important role in maintaining Se homeostasis and tolerance in Arabidopsis thaliana. Expression of WRKY47 is induced by Se stress. The wrky47 mutants are sensitive to Se stress, and this sensitivity is associated with a decrease in the transcription levels of Se-detoxify genes HMT1 and HMT3. Surprisingly, the WRKY47-overexpression lines also showed increased sensitivity to Se stress and had increased Se content; this correlates to an increase in the transcription level of Se-uptake gene PHT1;4 but not Se-detoxify genes HMT1 and HMT3. Our results suggest that gain- and loss-of-function mutations in WRKY47 enhance the sensitivity of A. thaliana plants to Se stress through different mechanisms.
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참고문헌 (39)
참고문헌 신청
Akbulut M / 2010 / The effects of Se phytotoxicity on the antioxidant systems of leaf tissues in barley (Hordeum vulgare L.)seedlings / Plant Physiol Biochem Ppb 48:160~166
Chatelain E / 2013 / Evidence for participation of the methionine sulfoxide reductase repair system in plant seed longevity / Proc Natl Acad Sci U S A 110:3633~3638
Chen TF / 2008 / Selenium-induced changes in activities of antioxidant enzymes and content of photosynthetic pigments in Spirulina platensis / J Integr Plant Biol 50:40~48
Clough SJ / 1998 / Floral dip : a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J 16:735~743
Dai W / 2018 / The transcription factor FcWRKY40 of Fortunella crassifolia functions positively in salt tolerance through modulation of ion homeostasis and proline biosynthesis by directly regulating SOS2 and P5CS1homologs / New Phytol 219:972~989
Chatelain E / 2013 / Evidence for participation of the methionine sulfoxide reductase repair system in plant seed longevity / Proc Natl Acad Sci U S A 110:3633~3638
Chen TF / 2008 / Selenium-induced changes in activities of antioxidant enzymes and content of photosynthetic pigments in Spirulina platensis / J Integr Plant Biol 50:40~48
Clough SJ / 1998 / Floral dip : a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J 16:735~743
Dai W / 2018 / The transcription factor FcWRKY40 of Fortunella crassifolia functions positively in salt tolerance through modulation of ion homeostasis and proline biosynthesis by directly regulating SOS2 and P5CS1homologs / New Phytol 219:972~989
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