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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.2
- 수록면
- 53 - 62 (10page)
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초록· 키워드
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Drought stress is a major constraint of crop development and productivity. Plants have evolutionally developed several mechanisms at the molecular, cellular, and physiological levels to overcome drought stress. The basic leucine zipper (bZIP) transcription factor (TF) family members are starting to be concerned about their roles in drought stress responses. In this study, we functionally characterized OsbZIP66, a rice group-E bZIP TF, to be associated with rice drought tolerance mechanisms.
Expression of OsbZIP66 was significantly induced upon treatments of rice plants with drought, high salinity, and ABA. These observations and the fact that the OsbZIP66 promoter contains ten ABA-responsive cis-elements suggest that OsbZIP66 is up-regulated by drought stress in an ABA-dependent manner. Overexpression of OsbZIP66 both in a whole plant body and specifically in roots enhanced drought tolerance of rice plants, indicating that the rice drought tolerance positively correlates with the expression levels of OsbZIP66. Thus, our results demonstrated that OsbZIP66 has a potential for use in biotechnological development of high-yielding rice plants under drought conditions.
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참고문헌 (51)
참고문헌 신청
Abe H / 2003 / Arabidopsis AtMYC2 (bHLH) and AtMYB2 (MYB) function as transcriptional activators in abscisic acid signaling / Plant Cell 15:63~78
Abe M / 2005 / FD, a bZIP protein mediating signals from the floral pathway integrator FT at the shoot apex / Science 309:1052~1056
Agarwal PK / 2010 / Transcription factors in plants and ABA dependent and independent abiotic stress signaling / Biol Plant 54:201~212
Bergmann L / 1960 / Growth and division of single cells of higher plants in vitro / J Gen Physiol 43:841~851
Chen H / 2012 / Basic leucine zipper TF OsbZIP16 positively regulated drought resistance in rice / Plant Sci 193:8~17
Abe M / 2005 / FD, a bZIP protein mediating signals from the floral pathway integrator FT at the shoot apex / Science 309:1052~1056
Agarwal PK / 2010 / Transcription factors in plants and ABA dependent and independent abiotic stress signaling / Biol Plant 54:201~212
Bergmann L / 1960 / Growth and division of single cells of higher plants in vitro / J Gen Physiol 43:841~851
Chen H / 2012 / Basic leucine zipper TF OsbZIP16 positively regulated drought resistance in rice / Plant Sci 193:8~17
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