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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.9
- 수록면
- 148 - 155 (8page)
- DOI
- 10.5010/JPB.2021.48.3.148
이용수
초록· 키워드
오류제보하기
Gibberellins (GAs) are essential phytohormones for plant growth that influence developmental processes and crop yields. Recent functional genomic analyses of model plants have yielded good characterizations of the canonical GA signaling pathways and related genes. Although Panax ginseng has long been considered to have economic and medicinal importance, functional genomic studies of the GA signaling pathways in this crucial perennial herb plant have been rarely conducted. Here, we identified and performed functional analysis of the GA signaling-related genes, including PgGID1s, PgSLY1s, and PgRGAs. We confirmed that the physiological role of GA signaling components in P.
ginseng was evolutionarily conserved. In addition, the important functional domains and amino acid residues for protein interactions among active GA, GID1, SCFSLY1, and RGA were also functionally conserved. Prediction and comparison of crystallographic structural similarities between PgGID1s and AtGID1a supported their function as GA receptors. Moreover, the subcellular localization and GAdependent promotion of DELLA degradation in P. ginseng was similar to the canonical GA signaling pathways in other plants. Finally, we found that overexpression of PgRGA2 and PgSLY1-1 was sufficient to complement the GA-related phenotypes of atgid1a/c double- and rga quintuple-mutants, respectively. This critical information for these GA signaling genes has the potential to facilitate future genetic engineering and breeding of P. ginseng for increased crop yield and production of useful substances.
목차
등록된 정보가 없습니다.
참고문헌 (34)
참고문헌 신청
Achard P / 2009 / Releasing the brakes of plant growth : how GAs shutdown DELLA proteins / Journal of experimental botany 60(4):1085~1092
Ariizumi T / 2011 / The role of two F-box proteins, SLEEPY1 and SNEEZY, in Arabidopsis gibberellin signaling / Plant physiology 155(2):765~775
Bari R / 2009 / Role of plant hormones in plant defence responses / Plant molecular biology 69(4):473~488
Cheng H / 2004 / Gibberellin regulates Arabidopsis floral development via suppression of DELLA protein function / Development 131(5):1055~1064
Dill A / 2001 / The DELLA motif is essential for gibberellin-induced degradation of RGA / Proceedings of the National Academy of Sciences 98(24):14162~14167
Ariizumi T / 2011 / The role of two F-box proteins, SLEEPY1 and SNEEZY, in Arabidopsis gibberellin signaling / Plant physiology 155(2):765~775
Bari R / 2009 / Role of plant hormones in plant defence responses / Plant molecular biology 69(4):473~488
Cheng H / 2004 / Gibberellin regulates Arabidopsis floral development via suppression of DELLA protein function / Development 131(5):1055~1064
Dill A / 2001 / The DELLA motif is essential for gibberellin-induced degradation of RGA / Proceedings of the National Academy of Sciences 98(24):14162~14167
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