Regulatory Network in Heat Stress Response in Parasitoid Wasp Focusing on

Overview

Journal iScience

Publisher Cell Press

Date 2024 Jan 11

PMID 38205256

Authors

Shijiao Xiong

Kaili Yu

Haiwei Lin

Xinhai Ye

Shan Xiao

Yi Yang

David W Stanley

Qisheng Song

Qi Fang

Gongyin Ye

Affiliations

Soon will be listed here.

Abstract

Insects are susceptible to elevated temperatures, resulting in impaired fertility, and shortened lifespan. This study investigated the genetic mechanisms underlying heat stress effects. We conducted RNA sequencing on exposed to 25°C and 35°C, revealing transcriptional signatures. Weighted Gene Co-expression Network Analysis uncovered heat stress-associated modules, forming a regulatory network of 113 genes. The network is naturally divided into two subgroups, one linked to acute heat stress, including heat shock proteins (HSPs), and the other to chronic heat stress, involving lipogenesis genes. We identified an () gene as a crucial network component, validated through RNA interference and quantitative PCR assays. knockdown reduced wasps' lifespan while directly inducing and mediating lipogenesis gene induction. CRISPR/Cas9-mediated knockout of the homolog reduced mutants' survival, highlighting its conserved role. This research sheds light on thermal tolerance mechanisms, offering potential applications in pest control amid global warming.

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