[1]周旭旭,刘金洋,陈新,等.绿豆Alfin1-like基因家族的鉴定与干旱胁迫下的表达分析[J].江苏农业学报,2022,38(05):1179-1187.[doi:doi:10.3969/j.issn.1000-4440.2022.05.004]
　ZHOU Xu-xu,LIU Jin-yang,CHEN Xin,et al.Identification of Alfin1-like gene family in Vigna radiata (L.) Wilczek and its expression analysis under drought stress[J].,2022,38(05):1179-1187.[doi:doi:10.3969/j.issn.1000-4440.2022.05.004]
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绿豆Alfin1-like基因家族的鉴定与干旱胁迫下的表达分析()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年05期
页码:
1179-1187
栏目:
遗传育种·生理生化
出版日期:
2022-10-31

文章信息/Info

Title:
Identification of Alfin1-like gene family in Vigna radiata (L.) Wilczek and its expression analysis under drought stress
作者:
周旭旭1; 2; 刘金洋2; 陈新2; 薛晨晨2; 陈景斌2; 林云2; 闫强2; 吴然然2; 朱月林1; 袁星星2
（1.南京农业大学园艺学院，江苏南京210095；2.江苏农业科学院经济作物研究所/江苏省高效园艺作物遗传改良重点实验室，江苏南京210014）
Author(s):
ZHOU Xu-xu1; 2; LIU Jin-yang2; CHEN Xin2; XUE Chen-chen2; CHEN Jing-bin2; LIN Yun2; YAN Qiang2; WU Ran-ran2; ZHU Yue-lin1; YUAN Xing-xing2
(1.College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China;2.Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory of Efficient Horticultural Crop Genetic Improvement, Nanjing 210014, China)
关键词:
绿豆; Alfin1-like基因家族; 干旱胁迫
Keywords:
Vigna radiata (L.) Wilczek; Alfin1-like gene family; drought stress
分类号:
S522
DOI:
doi:10.3969/j.issn.1000-4440.2022.05.004
文献标志码:
A
摘要:
Alfin1-like（AL）转录因子家族在对非生物胁迫的反应中具有重要调控作用。为了探究绿豆[Vigna radiata （L.）Wilczek] AL基因家族成员在干旱胁迫下的表达情况，本研究在前期以苏绿1号为试验材料完成全基因组测序和盐胁迫下转录组测序的基础上，采用同源比对的方法鉴定绿豆AL转录因子（VrAL）家族基因，分析其生物学特性；用1/2浓度Hoagland营养液培养绿豆幼苗，对照组（CK）无聚乙二醇（PEG 6000）、处理组含有20% PEG 6000，采用qRT-PCR方法探索VrAL基因家族成员在干旱胁迫下基因表达的差异。结果表明：（1）共鉴定到10个VrAL基因，根据其在染色体上的位置依次命名为VrAL1～VrAL10，其编码区长度范围为717～765 bp。（2）10个VrAL基因均含有4个内含子和5个外显子，其中8个VrAL基因的启动子区域存在抗逆和植物激素响应元件。（3）qRT-PCR分析结果表明，处理组根中VrAL1、VrAL5、VrAL7和VrAL9上调表达，叶中VrAL8、VrAL9和VrAL10上调表达，它们在绿豆对干旱胁迫响应中发挥了重要的作用。
Abstract:
Alfin1 like (AL) transcription factor family plays an important regulatory role in response to abiotic stress. To explore the expression pattern of AL gene family members of Vigna radiata (L.) Wilczek under drought stress, the VrAL transcription factor family genes of mung bean were identified by homologous alignment and their biological characteristics were analyzed, based on our previous work of whole genome sequencing and transcriptome sequencing of the mung bean material Sulv No.1 under salt stress. Mung bean seedlings were cultured with 1/2 concentration of Hoagland nutrient solution, the control (CK) did not contain polyethylene glycol 6000 (PEG6000) and the treatment group contained 20% PEG6000. The expression differences of VrAL gene family members under drought stress were detected by qRT-PCR. The results showed that, a total of ten VrAL genes were identified and named as VrAL1- VrAL10 according to their positions on the chromosomes, and the lengths of their coding regions ranged from 717 bp to 765 bp. The above ten VrAL genes all contained four introns and five exons, of which eight VrAL genes contained stress resistant and phytohormone response elements in their promoter regions. Results of qRT-PCR analysis showed that under the PEG 6000 conditions the expression levels of VrAL1, VrAL5, VrAL7 and VrAL9 in roots were up-regulated, and VrAL8, VrAL9 and VrAL10 in leaves were up-regulated. The up-regulated VrAL genes may play important roles in responses to drought stresses of mung bean.

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备注/Memo

备注/Memo:
收稿日期：2022-02-24基金项目：国家重点研发计划项目（2020YFD1000800、2020YFD1000805）；国家自然科学基金项目(31871696)；国家现代农业产业技术体系-食用豆项目（CARS-08）；江苏省自然科学基金项目(BK20200282)；江苏高校优势学科建设工程项目（PAPD）作者简介：周旭旭（1996-），男，河南郑州人，硕士研究生，从事豆类作物分子育种研究。通讯作者：朱月林，（E-mail）ylzhu@njau.edu.cn；袁星星，（E-mail）yxx@jaas.ac.cn
更新日期/Last Update: 2022-11-07