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Genome-wide identification and immune response analysis of mitogen-activated protein kinase cascades in tea geometrid, Ectropis grisescens Warren (Geometridae, Lepidoptera)
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Genome-wide identification and immune response analysis of mitogen-activated protein kinase cascades in tea geometrid, Ectropis grisescens Warren (Geometridae, Lepidoptera)
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Journal Article
Genome-wide identification and immune response analysis of mitogen-activated protein kinase cascades in tea geometrid, Ectropis grisescens Warren (Geometridae, Lepidoptera)
2023
Overview
Background
Tea geometrid
Ectropis grisescens
(Geometridae: Lepidoptera), is one of the most destructive defoliators in tea plantations in China. The MAPK cascade is known to be an evolutionarily conserved signaling module, acting as pivotal cores of host–pathogen interactions. Although the chromosome-level reference genome of
E. grisescens
was published, the whole MAPK cascade gene family has not been fully identified yet, especially the expression patterns of MAPK cascade gene family members upon an ecological biopesticide,
Metarhizium anisopliae
, remains to be understood.
Results
In this study, we have identified 19 MAPK cascade gene family members in
E. grisescens
, including 5 MAPKs, 4 MAP2Ks, 8 MAP3Ks, and 2 MAP4Ks. The molecular evolution characteristics of the whole Eg-MAPK cascade gene family, including gene structures, protein structural organization, chromosomal localization, orthologs construction and gene duplication, were systematically investigated. Our results showed that the members of Eg-MAPK cascade gene family were unevenly distributed in 13 chromosomes, and the clustered members in each group shared similar structures of the genes and proteins. Gene expression data revealed that
MAPK
cascade genes were expressed in all four developmental stages of
E. grisescens
and were fairly and evenly distributed in four different larva tissues. Importantly, most of the
MAPK
cascade genes were induced or constitutively expressed upon
M. anisopliae
infection.
Conclusions
In summary, the present study was one of few studies on MAPK cascade gene in
E. grisescens
. The characterization and expression profiles of Eg-MAPK cascades genes might help develop new ecofriendly biological insecticides to protect tea trees.
Publisher
BioMed Central,BioMed Central Ltd,BMC
Subject
/ Analysis
/ Animal Genetics and Genomics
/ Animals
/ Biomedical and Life Sciences
/ Cellular signal transduction
/ Genes
/ Genomes
/ Genomics
/ Larva
/ MAP Kinase Signaling System - genetics
/ Microbial Genetics and Genomics
/ Mitogen-activated protein kinases
/ Mitogen-Activated Protein Kinases - genetics
/ Pests
/ Proteins
/ Tea
