Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensis

In general, insects grow (increase in body size) through molting. To the opposite, the body size of the males of the horned gall aphid, Schlechtendalia chinensis, gets smaller after molting and as they age. To understand the molecular bases of this rare phenomenon, transcriptomes were generated from...

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Main Authors: Hongyuan Wei, Xin Xu, Guorui Feng, Shuxia Shao, Xiaoming Chen, Zixiang Yang
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-02-01
Series:Frontiers in Physiology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fphys.2023.1097317/full
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author Hongyuan Wei
Xin Xu
Guorui Feng
Shuxia Shao
Xiaoming Chen
Zixiang Yang
author_facet Hongyuan Wei
Xin Xu
Guorui Feng
Shuxia Shao
Xiaoming Chen
Zixiang Yang
author_sort Hongyuan Wei
collection DOAJ
description In general, insects grow (increase in body size) through molting. To the opposite, the body size of the males of the horned gall aphid, Schlechtendalia chinensis, gets smaller after molting and as they age. To understand the molecular bases of this rare phenomenon, transcriptomes were generated from 1–5 days old male and the data were analyzed via a weighted gene co-expression network analysis (WGCNA). A total of 15 partitioned modules with different topological overlaps were obtained, and four modules were identified as highly significant for male body length (p < 0.05). Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis suggested that a portion of genes in the four modules are likely involved in autophagy and apoptosis. In addition, a total of 40 hub genes were obtained in the four modules, and among them eight genes were highly expressed in males compared to individuals of other generations of S. chinensis. These eight genes were associated with autophagy and apoptosis. Our results reveal the unique negative growth phenomenon in male S. chinensis after molting, and also suggest that the male S. chinensis with no ability to feed probably decompose their own substances via autophagy and apoptosis to provide energy for life activities such as germ cell development.
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spelling doaj.art-1996a9a8b7c84d86b894c92e490354b92023-02-06T05:26:04ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2023-02-011410.3389/fphys.2023.10973171097317Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensisHongyuan WeiXin XuGuorui FengShuxia ShaoXiaoming ChenZixiang YangIn general, insects grow (increase in body size) through molting. To the opposite, the body size of the males of the horned gall aphid, Schlechtendalia chinensis, gets smaller after molting and as they age. To understand the molecular bases of this rare phenomenon, transcriptomes were generated from 1–5 days old male and the data were analyzed via a weighted gene co-expression network analysis (WGCNA). A total of 15 partitioned modules with different topological overlaps were obtained, and four modules were identified as highly significant for male body length (p < 0.05). Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis suggested that a portion of genes in the four modules are likely involved in autophagy and apoptosis. In addition, a total of 40 hub genes were obtained in the four modules, and among them eight genes were highly expressed in males compared to individuals of other generations of S. chinensis. These eight genes were associated with autophagy and apoptosis. Our results reveal the unique negative growth phenomenon in male S. chinensis after molting, and also suggest that the male S. chinensis with no ability to feed probably decompose their own substances via autophagy and apoptosis to provide energy for life activities such as germ cell development.https://www.frontiersin.org/articles/10.3389/fphys.2023.1097317/fullSchlechtendalia chinensishorned gall aphidmoltnegative growthweighted gene co-expression network analysis (WGCNA)hub gene
spellingShingle Hongyuan Wei
Xin Xu
Guorui Feng
Shuxia Shao
Xiaoming Chen
Zixiang Yang
Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensis
Frontiers in Physiology
Schlechtendalia chinensis
horned gall aphid
molt
negative growth
weighted gene co-expression network analysis (WGCNA)
hub gene
title Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensis
title_full Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensis
title_fullStr Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensis
title_full_unstemmed Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensis
title_short Candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid, Schlechtendalia chinensis
title_sort candidate genes potentially involved in molting and body size reduction in the male of the horned gall aphid schlechtendalia chinensis
topic Schlechtendalia chinensis
horned gall aphid
molt
negative growth
weighted gene co-expression network analysis (WGCNA)
hub gene
url https://www.frontiersin.org/articles/10.3389/fphys.2023.1097317/full
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