Transcriptome-wide Identification of NAC (no Apical Meristem/Arabidopsis Transcription Activation Factor/cup-shaped Cotyledon) Transcription Factors Potentially Involved in Salt Stress Response in Garlic

Overview

Journal PeerJ

Specialties Biology
Environmental Health
General Medicine

Date 2022 Dec 26

PMID 36570011

Authors

Guang-Long Wang

Ya-Hong An

Cheng-Ling Zhou

Zhen-Zhu Hu

Xu-Qin Ren

Ai-Sheng Xiong

Affiliations

Soon will be listed here.

Abstract

Soil salinity has been an increasing problem worldwide endangering crop production and human food security. It is an ideal strategy to excavate stress resistant genes and develop salt tolerant crops. NAC (no apical meristem/Arabidopsis transcription activation factor/cup-shaped cotyledon) transcription factors have been demonstrated to be involved in salt stress response. However, relevant studies have not been observed in garlic, an important vegetable consumed in the world. In this study, a total of 46 genes encoding NAC proteins were identified in garlic plant by transcriptome data. Phylogenetic analysis showed that the examined AsNAC proteins were clustered into 14 subgroups. Motif discovery revealed that the conserved domain region was mainly composed of five conserved subdomains. Most of the genes selected could be induced by salt stress in different tissues, indicating a potential role in salt stress response. Further studies may focus on the molecular mechanisms of the genes in salt stress response. The results of the current work provided valuable resources for researchers aimed at developing salt tolerant crops.

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