Transcriptomic Analysis of Cadmium Stressed Revealed Novel Transcripts and the Importance of Abscisic Acid Network

Overview

Journal Front Plant Sci

Date 2022 May 6

PMID 35519810

Authors

Pei-Long Wang

Xiao-Jin Lei

Yuan-Yuan Wang

Bai-Chao Liu

Dan-Ni Wang

Zhong-Yuan Liu

Cai-Qiu Gao

Affiliations

Soon will be listed here.

Abstract

Cadmium (Cd) pollution is widely detected in soil and has been recognized as a major environmental problem. is a woody halophyte, which can form natural forest on the desert and soil with 0.5 to 1% salt content, making it an ideal plant for the research on response to abiotic stresses. However, no systematic study has investigated the molecular mechanism of Cd tolerance in . In the study, RNA-seq technique was applied to analyze the transcriptomic changes in treated with 150 μmol L CdCl for 24, 48, and 72 h compared with control. In total, 72,764 unigenes exhibited similar sequences in the Non-redundant nucleic acid database (NR database), while 36.3% of all these unigenes may be new transcripts. In addition, 6,778, 8,282, and 8,601 DEGs were detected at 24, 48, and 72 h, respectively. Functional annotation analysis indicated that many genes may be involved in Cd stress response, including ion bonding, signal transduction, stress sensing, hormone responses and ROS metabolism. A gene from the abscisic acid (ABA) signaling pathway can enhance Cd resistance ability of by regulating the production of ROS under Cd stress and inhibit absorption of Cd. The new transcriptome resources and data that we present in this study for may facilitate investigation of molecular mechanisms governing Cd resistance.

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