Transcriptomic Analysis and Comparative Analysis of Gene Families Related to Environmental Adaptation in Two Grylloblattodea Species: Galloisiana sinensis and Grylloprimevala jilina.

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Title: Transcriptomic Analysis and Comparative Analysis of Gene Families Related to Environmental Adaptation in Two Grylloblattodea Species: Galloisiana sinensis and Grylloprimevala jilina.
Authors: Zhou, Yanhan1,2,3 (AUTHOR), Zhang, Kaipeng4 (AUTHOR), Yu, Luyao1,2,3 (AUTHOR), Zhou, Yuxin1,2,3 (AUTHOR), Xiao, Yuetong1,2,3 (AUTHOR), Zhou, Lin5 (AUTHOR), Zhu, Xiaoyan1,2,3 (AUTHOR), Wang, Taoqi1,2,3 (AUTHOR), Chen, Qi1,2,3 (AUTHOR) chenq766@nenu.edu.cn, Ren, Bingzhong1,2,3 (AUTHOR) bzren@nenu.edu.cn
Source: Ecology & Evolution (20457758). Oct2025, Vol. 15 Issue 10, p1-14. 14p.
Subject Terms: *Biological adaptation, Insect adaptation, Insect evolution, Transcriptomes, Gene families, Phenotypic plasticity
Abstract: Notoptera, as a unique ancient insect lineage, elucidates the linkage between insect biodiversity and geological history. Members of this order are recognized as National First‐Class Protected Animals in China. Comparing environmental adaptation (traits evolved for survival/reproduction in a specific environment) genes in Galloisiana sinensis and Grylloprimevala jilina, closely related species with distinct habitats, elucidates Notoptera evolution. Our study identified chemosensory genes, temperature adaptation‐related genes, vision‐related genes, and winged morph differentiation‐related genes in G. sinensis and compared them with those in G. jilina. Both species exhibit gene loss, possibly owing to winglessness. G. sinensis has fewer odorant receptors, odorant‐binding proteins, and chemosensory proteins but more gustatory receptors, ionotropic receptors, and sensory neuron membrane proteins, reflecting habitat‐specific adaptations. Compared with G. jilina, G. sinensis also exhibits more vision‐related genes and an enhanced photosensitive system. G. sinensis has fewer heat shock proteins and transient receptor potential proteins but more DnaJ molecular chaperones (DnaJ proteins), suggesting improved molecular chaperone function for broader temperature tolerance. Despite wing loss, Wnt6, Wnt7b, and Wnt16 gene remnants remain, with G. sinensis having fewer of these, indicating advanced wing regression. This work reveals the genetic basis of adaptation and evolution, providing key insights into Notoptera's evolutionary trajectory. [ABSTRACT FROM AUTHOR]
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Abstract:Notoptera, as a unique ancient insect lineage, elucidates the linkage between insect biodiversity and geological history. Members of this order are recognized as National First‐Class Protected Animals in China. Comparing environmental adaptation (traits evolved for survival/reproduction in a specific environment) genes in Galloisiana sinensis and Grylloprimevala jilina, closely related species with distinct habitats, elucidates Notoptera evolution. Our study identified chemosensory genes, temperature adaptation‐related genes, vision‐related genes, and winged morph differentiation‐related genes in G. sinensis and compared them with those in G. jilina. Both species exhibit gene loss, possibly owing to winglessness. G. sinensis has fewer odorant receptors, odorant‐binding proteins, and chemosensory proteins but more gustatory receptors, ionotropic receptors, and sensory neuron membrane proteins, reflecting habitat‐specific adaptations. Compared with G. jilina, G. sinensis also exhibits more vision‐related genes and an enhanced photosensitive system. G. sinensis has fewer heat shock proteins and transient receptor potential proteins but more DnaJ molecular chaperones (DnaJ proteins), suggesting improved molecular chaperone function for broader temperature tolerance. Despite wing loss, Wnt6, Wnt7b, and Wnt16 gene remnants remain, with G. sinensis having fewer of these, indicating advanced wing regression. This work reveals the genetic basis of adaptation and evolution, providing key insights into Notoptera's evolutionary trajectory. [ABSTRACT FROM AUTHOR]
ISSN:20457758
DOI:10.1002/ece3.72260