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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.4
- 수록면
- 203 - 212 (10page)
- DOI
- 10.1007/s11816-023-00826-9
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초록· 키워드
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The role of anthocyanins in alleviating salt stress-induced plant growth inhibition has been reported in several plant spe- cies. Despite several studies on anthocyanin synthesis in torenia, the role of anthocyanins in salt stress tolerance remains unexplored. Therefore, in this study, we aimed to investigate whether anthocyanin-rich transgenic torenia ‘Kauai Rose’ lines (RS3, RS7, BM5, and BM7), which were overexpressed with anthocyanin regulatory transcription factors (TFs) (RsMYB1 or B-Peru + mPAP1), have a greater tolerance to salt stress than wild type (WT) by determining various factors associated with salt stress. Under salt stress conditions, all transgenic plants grew better than their WT counterparts, indicating greater tolerance to salt stress. This increased tolerance was associated with the presence of higher levels of enzymatic antioxidants, such as superoxidase dismutase, peroxidase, and catalase, as well as higher levels of soluble proteins and lower levels of malondialdehyde in transgenic plants. Furthermore, transgenic plants controlled stomatal opening to reduce water loss dur- ing the stress period; however, this phenomenon was not observed in WT plants during the early stress period. The results revealed that anthocyanins can alleviate salt stress-induced plant growth inhibition in torenia. Therefore, generation of anthocyanin-enriched plants through overexpression of anthocyanin regulatory TFs is an alternative approach for the devel- opment of salt stress-tolerant plants.
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