华北农学报 ›› 2026, Vol. 41 ›› Issue (1): 64-70. doi: 10.7668/hbnxb.20195933

所属专题: 盐碱胁迫 生物技术 蔬菜专题

• 作物遗传育种·种质资源·生物技术 • 上一篇    下一篇

大蒜水通道蛋白基因AsPIP1;1AsTIP2;1的克隆、鉴定及其对盐胁迫的响应

吴嘉萁1, 许玉洁1, 陈洋洋1, 任旭琴1,2, 周瑾1, 熊爱生3, 王广龙1,2   

  1. 1 淮阴工学院 生命科学与食品工程学院,江苏 淮安 223003
    2 江苏省农业绿色低碳生产技术工程研究中心,江苏 淮安 223003
    3 南京农业大学 园艺学院,作物遗传与种质创新利用全国重点实验室,农业农村部华东地区园艺作物生物学与种质创制重点实验室,江苏 南京 210095
  • 收稿日期:2025-04-20 出版日期:2026-02-28
  • 通讯作者:
    王广龙(1989—),男,江苏连云港人,副教授,博士,硕士生导师,主要从事蔬菜生理与分子生物学研究。
  • 作者简介:

    吴嘉萁(2001—),女,湖北孝感人,硕士,主要从事蔬菜生理与分子生物学研究。

  • 基金资助:
    青海省科技厅重点实验室项目(2020-ZJ-Y02); 青海省蔬菜遗传与生理重点实验室开放课题(2020-SCSYS-01); 淮阴工学院博士科研启动基金项目(Z301B16531)

Cloning and Characterization of Two Aquaporin Genes,AsPIP1;1 and AsTIP2;1,and Their Response to Salt Stress in Garlic

WU Jiaqi1, XU Yujie1, CHEN Yangyang1, REN Xuqin1,2, ZHOU Jin1, XIONG Aisheng3, WANG Guanglong1,2   

  1. 1 Faculty of Life Science and Food Engineering,Huaiyin Institute of Technology,Huaian 223003,China
    2 Jiangsu Provincial Agricultural Green and Low Carbon Production Technology Engineering Research Center, Huaian 223003,China
    3 College of Horticulture,Nanjing Agricultural University,Key Laboratory of Biology and Germplasm Enhancement of Horticulture Crops in East China,Ministry of Agriculture and Rural Affairs, State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization,Nanjing 210095,China
  • Received:2025-04-20 Published:2026-02-28

摘要:

水通道蛋白(AQPs)主要负责水分子的跨膜运输,参与植物生长发育和响应环境胁迫等过程。旨在从大蒜中克隆编码质膜内在蛋白(PIP)和液泡膜内在蛋白(TIP)的基因AsPIP1;1AsTIP2;1,分析其序列特征,并探究它们在盐胁迫条件下的表达模式,以评估其在大蒜耐盐性中的潜在功能。利用RT-PCR技术从大蒜中克隆了AsPIP1;1AsTIP2;1基因,利用生物信息学方法对克隆基因的开放阅读框、编码氨基酸序列及保守结构域等进行分析,并通过荧光定量PCR检测AsPIP1;1AsTIP2;1基因在不同组织和盐胁迫条件下的表达特性。结果发现,AsPIP1;1AsTIP2;1基因的开放阅读框分别为867,747 bp,编码288,248个氨基酸,具有NPA保守基序。AsPIP1;1AsTIP2;1在大蒜叶片和根部高表达,盐胁迫环境能强烈诱导这2个基因转录水平的改变。且AsPIP1;1和AsTIP2;1可能与其他AQPs蛋白、细胞壁相关蛋白、转运蛋白相互作用,以适应盐胁迫环境。这些结果表明,AsPIP1;1AsTIP2;1基因可能参与大蒜植株响应盐胁迫的过程。

关键词: 大蒜, 盐胁迫, 水通道蛋白, 表达分析, AsPIP1;1, AsTIP2;1

Abstract:

Aquaporins(AQPs)are primarily responsible for the transmembrane transport of water molecules and are involved in processes such as plant growth,development, and responses to environmental stress. Garlic is an important vegetable crop widely cultivated worldwide, but there are currently few reports on salt-tolerance genes in garlic.It aimed to clone the genes AsPIP1;1 and AsTIP2;1, encoding plasma membrane intrinsic protein (PIP) and tonoplast intrinsic protein (TIP) respectively, from garlic, analyze their sequence characteristics, investigate their expression patterns under salt stress conditions, and evaluate their potential roles in garlic salt tolerance. We cloned the AsPIP1;1 and AsTIP2;1 genes from garlic using RT-PCR. Bioinformatics methods were employed to analyze the open reading frames, encode amino acid sequences, and conserve domains of the cloned genes. Furthermore, the expression profiles of AsPIP1;1 and AsTIP2;1 in different tissues and under salt stress conditions were detected using Quantitative Real-time PCR. The results showed that the open reading frames of the AsPIP1;1 and AsTIP2;1 genes were 867, 747 bp in length, encoding 288,248 amino acids, respectively, with the conserved NPA motifs. AsPIP1;1 and AsTIP2;1 were highly expressed in garlic leaves and roots, and salt stress strongly induced changes in the transcriptional levels of both genes. Furthermore,AsPIP1;1 and AsTIP2;1 may interact with other AQP proteins, cell wall-associated proteins, and transporter proteins to adapt to the salt stress environment. These results indicate that the AsPIP1;1 and AsTIP2;1 genes may be involved in the garlic plant's response to salt stress.

Key words: Garlic, Salt stress, Aquaporins, Expression analysis, AsPIP1;1, AsTIP2;1

中图分类号: 

引用本文

吴嘉萁, 许玉洁, 陈洋洋, 任旭琴, 周瑾, 熊爱生, 王广龙. 大蒜水通道蛋白基因AsPIP1;1AsTIP2;1的克隆、鉴定及其对盐胁迫的响应[J]. 华北农学报, 2026, 41(1): 64-70. doi: 10.7668/hbnxb.20195933.

WU Jiaqi, XU Yujie, CHEN Yangyang, REN Xuqin, ZHOU Jin, XIONG Aisheng, WANG Guanglong. Cloning and Characterization of Two Aquaporin Genes,AsPIP1;1 and AsTIP2;1,and Their Response to Salt Stress in Garlic[J]. Acta Agriculturae Boreali-Sinica, 2026, 41(1): 64-70. doi: 10.7668/hbnxb.20195933.