梭梭HaNAC20提高拟南芥抗逆性研究  

Study on Improving Stress Resistance of Arabidopsis thaliana by Transcribing Haloxylon ammodendron HaNAC20

作　　者：杨文艳 穆榕博 张桦[1] YANG Wenyan;MU Rongbo;ZHANG Hua(Xinjiang Agricultural University,Urumqi Xinjiang 830000)

机构地区：[1]新疆农业大学,新疆乌鲁木齐830000

出　　处：《现代农业科技》2023年第2期100-104,共5页Modern Agricultural Science and Technology

基　　金：国家自然科学基金(31760214)。

摘　　要：为明确HaNAC20转录因子的功能和阐明梭梭不同的NAC转录因子参与抗逆作用的异同,在前期研究的基础上,对模拟盐胁迫和干旱条件下梭梭HaNAC20转基因拟南芥萌发状况及其在干旱、盐、高温胁迫下的表型和生理指标进行分析。结果表明,在干旱胁迫下,梭梭HaNAC20可显著提高拟南芥萌发率;梭梭HaNAC20可显著提高拟南芥的抗旱性。本研究结果可为深入理解梭梭抗逆的分子机制提供参考,也可为农林作物分子育种提供新的基因资源。In order to clarify the function of HaNAC20 transcription factor and clarify the similarities and differences of different NAC transcription factors involved in stress resistance, the germination status of Arabidopsis thaliana transcribed Haloxylon ammodendron HaNAC20 under simulated salt stress and drought, and its phenotype and physiological indexes under drought, salt and high temperature stress were analyzed on the basis of previous studies. The results showed that Haloxylon ammodendron HaNAC20 could significantly increase the germination rate of Arabidopsis thaliana under drought stress. HaNAC20 could significantly improve the drought resistance of Arabidopsis thaliana. This study provides a reference for further understanding of the molecular mechanism of Haloxylon ammodendron resistance,and also provides a new gene resource for molecular breeding of agricultural and forestry crops.

关 键 词：梭梭 HaNAC20 拟南芥 生理指标 逆境胁迫 

分 类 号：Q785[生物学—分子生物学] Q786