Chromatin-Remodelling ATPases and Are Essential for Reproduction in the Destructive Pest

Overview

Journal Int J Mol Sci

Publisher MDPI

Specialties Biochemistry
Chemistry
Molecular Biology

Date 2022 Mar 25

PMID 35328688

Authors

Shun-Xia Ji

Qiang-Wen Wu

Si-Yan Bi

Xiao-Di Wang

Gui-Fen Zhang

Fang-Hao Wan

Zhi-Chuang Lu

Wan-Xue Liu

Affiliations

Soon will be listed here.

Abstract

The tomato leaf miner () is one of the top 20 plant pests worldwide. We cloned and identified the chromatin-remodelling ATPase genes and by RACE and bioinformatic analysis, respectively; used RT-qPCR to examine their expression patterns during different life cycle stages; and elucidated their roles in insect reproduction using double-stranded RNA injections. The full-length cDNA of was 3428 bp and it encoded a 1025-aa polypeptide. The partial-length cDNA of was 3457 bp and it encoded a 1030-aa polypeptide. and were upregulated at the egg stage. Injection of or dsRNA at the late pupa stage significantly inhibited adult ovary development and reduced fecundity, hatchability, and longevity in the adult females. To the best of our knowledge, the present study was the first to perform molecular characterisations of two chromatin-remodelling ATPase genes and clarify their roles in fecundity. Chromatin-remodelling ATPases are potential RNAi targets for the control of and other insect pests. The present study was also the first to demonstrate the feasibility of reproductive inhibitory RNAi as a putative approach for the suppression of and other Lepidopteran insect populations.

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