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논문 기본 정보

자료유형
학술저널
저자정보
Liu Jiafu (National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China) Wang Yan (National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China) Yang Lihong (National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China) Wang Xue (National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China) Zhang Junkang (National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China) Xu Jichen (National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China)
저널정보
한국식물생명공학회 Plant Biotechnology Reports Plant Biotechnology Reports Vol.18 No.1
발행연도
2024.2
수록면
119 - 128 (10page)
DOI
10.1007/s11816-023-00885-y

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Expansin plays a crucial role in plant growth and stress resistance as a cell wall relaxation protein. The expansin family consists of four subfamilies: EXPA, EXPB, EXLA, and EXLB. However, a few reports have been previously published investigating EXLA genes. The research here aimed to characterize the PtEXLA1 gene from a popular species (P. alba × P. glandulosa CV.84K) and evaluate its role through genetic transformation to understand its contribution to plant growth and stress resistance. The results showed that the PtEXLA1 gene was 780 bp in length, encoded 259 amino acids, and had typical characteristics of EXLA. The PtEXLA1 transgenic tobacco plants had a larger corolla in comparison to wild-type plants, and exhibited higher resistance to drought, high temperature, and salt stress based on the evaluation of chlorophyll content, relative conductivity, and malondialdehyde content. PtEXLA1 can be an efficient gene resource for stress resistance breeding of plants.

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