miRNA–mRNA integrated analysis reveals candidate genes associated with salt stress response in Halophytic Sonneratia apetala
Beibei Chen, Lishan Zhen, Zhuanying Yang, Tingting Liu, Shaoxia Yang, Wei Mu, Xiao Xiao, Jinhui Chen
TL;DR
This study identifies genes and pathways in Sonneratia apetala roots that help the plant tolerate salt stress, using combined mRNA and miRNA analysis.
Contribution
The study provides the first global transcriptome analysis of S. apetala roots under salt stress and identifies miRNA-target interactions.
Findings
6,686 genes showed significant differential accumulation in response to salt stress.
Key pathways include phenylpropanoid biosynthesis, plant-pathogen interaction, and protein processing.
Regulatory interactions between miRNA and target genes were identified during salt stress.
Abstract
Sonneratia apetala is a pioneering species of mangrove plants, which has evolved various mechanisms to tolerate salt-stress due to their long-term exposure to a salinized environment as compared to the of terrestrial freshwater plants. However, limited attempt has been made to uncover the underlying molecular mechanism of their saline adaptation. Here, we integrated mRNA and microRNA (miRNA) sequencing to identify the genes and pathways that may be involved in salt stress-response in the roots of S. apetala. A comprehensive full‑length transcriptome containing 295,501 high‑quality unigenes was obtained by PacBio sequencing technology. Of these, 6,686 genes exhibited significantly differential accumulation after salt stress treatment (p < 0.001, Q < 0.01). They were mainly implicated in plant signal transduction and diverse metabolic pathways, such as those involving phenylpropanoid…
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Taxonomy
TopicsPlant Stress Responses and Tolerance · Marine and coastal plant biology · Plant Diversity and Evolution