A key gene for the climatic adaptation of Apis cerana populations in China according to selective sweep analysis
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Published:2023-03-06
Issue:1
Volume:24
Page:
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ISSN:1471-2164
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Container-title:BMC Genomics
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language:en
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Short-container-title:BMC Genomics
Author:
Zhang Yi,Xu Hao,Wang Zhi,Jie Haoliang,Gao Fuchao,Cai Minqi,Wang Kang,Chen Dafu,Guo Rui,Lin Zheguang,Niu Qingsheng,Ji Ting
Abstract
Abstract
Background
Apis cerana is widely distributed in China and, prior to the introduction of western honeybees, was the only bee species kept in China. During the long-term natural evolutionary process, many unique phenotypic variations have occurred among A. cerana populations in different geographical regions under varied climates. Understanding the molecular genetic basis and the effects of climate change on the adaptive evolution of A. cerana can promote A. cerana conservation in face of climate change and allow for the effective utilization of its genetic resources.
Result
To investigate the genetic basis of phenotypic variations and the impact of climate change on adaptive evolution, A. cerana workers from 100 colonies located at similar geographical latitudes or longitudes were analyzed. Our results revealed an important relationship between climate types and the genetic variation of A. cerana in China, and a greater influence of latitude compared with longitude was observed. Upon selection and morphometry analyses combination for populations under different climate types, we identified a key gene RAPTOR, which was deeply involved in developmental processes and influenced the body size.
Conclusion
The selection of RAPTOR at the genomic level during adaptive evolution could allow A. cerana to actively regulate its metabolism, thereby fine-tuning body sizes in response to harsh conditions caused by climate change, such as food shortages and extreme temperatures, which may partially elucidate the size differences of A. cerana populations. This study provides crucial support for the molecular genetic basis of the expansion and evolution of naturally distributed honeybee populations.
Funder
the Natural Science Foundation of Jilin Province the Science and Technology Development Project of Jilin Province the Earmarked Fund for Modern Agro-industry Technology Research System National Natural Science Foundation of China the Lvyangjinfeng Program of Yangzhou
Publisher
Springer Science and Business Media LLC
Subject
Genetics,Biotechnology
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