文献类型： 外文期刊
第一作者： Zhou, Lili
作者： Zhou, Lili;Hao, Yuqiong;Lu, Guoqing;Wang, Peilin;Guo, Huiming;Cheng, Hongmei
作者机构：
关键词： Ammopiptanthus mongolicus; AmDUF1517 promoter; Abiotic stress; Promoter analysis; cis-acting element
期刊名称：JOURNAL OF BIOSCIENCE AND BIOENGINEERING （ 影响因子：2.894； 五年影响因子：2.746 ）
ISSN： 1389-1723
年卷期： 2020 年 130 卷 3 期
页码：
收录情况： SCI
摘要： Domains of unknown function protein family 1517 (DUF1517) in Ammopiptanthus mongolicus, could be induced by abiotic stresses, whose upstream regulatory sequence might be an ideal source of abiotic-induced promoter. In this study, a 1026-bp promoter of AmDUF1517 from A. mongolicus was cloned. Five deletion fragments (Full, Q1-Q4) of different length of the AmDUF1517 promoter were fused with the beta-glucuronidase (GUS) reporter and transformed into Arabidopsis thaliana. The deletion analysis showed that sequences Full, Q1 and Q3 responded well to mannitol, NaCl and 4 degrees C stresses, while Q2 and Q4 segments did not. The Q3 fragment (280 bp; -280 to -1 bp) showed the highest promoter activity under normal and mannitol, NaCl and 4 degrees C conditions. The result suggested that Q3 in the AmDUF1517 gene promoter could be a new source of induced promoters for abiotic resistance breeding in plant genetic engineering. (C) 2020, The Society for Biotechnology, Japan. All rights reserved.
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