Evolution of a genetic polymorphism with climate change in a Mediterranean landscape

Thompson J.; Charpentier A.; Bouguet G.Charmasson F.Roset S.Buatois B.Vernet P.Gouyon P.-H.

首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Evolution of a genetic polymorphism with climate change in a Mediterranean landscape

【24h】

Evolution of a genetic polymorphism with climate change in a Mediterranean landscape

机译：

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相关主题

摘要

Many species show changes in distribution and phenotypic trait variation in response to climatic warming. Evidence of genetically based trait responses to climate change is, however, less common. Here, we detected evolutionary variation in the landscape-scale distribution of a genetically based chemical polymorphism in Mediterranean wild thyme (Thymus vulgaris) in association with modified extreme winter freezing events. By comparing current data on morph distribution with that observed in the early 1970s, we detected a significant increase in the proportion of morphs that are sensitive towinter freezing. This increase in frequency was observed in 17 of the 24 populations in which, since the 1970s, annual extreme winter freezing temperatures have risen above the thresholds that cause mortality of freezing-sensitive morphs. Our results provide an original example of rapid ongoing evolutionary change associated with relaxed selection (less extreme freezing events) on a local landscape scale. In species whose distribution and genetic variability are shaped by strong selection gradients, there may be little time lag associated with their ecological and evolutionary response to longterm environmental change.

著录项

来源
《Proceedings of the National Academy of Sciences of the United States of America》 |2013年第8期|2893-2897|共5页
作者
Thompson J.; Charpentier A.; Bouguet G.Charmasson F.Roset S.Buatois B.Vernet P.Gouyon P.-H.;
展开▼
作者单位

Unité Mixte de Recherche 5175, Centre d'Ecologie Fonctionnelle et Evolutive, Centre National de la Recherche Scientifique, 34293 Montpellier Cedex 5, France;

Unité Mixte de Recherche 5175, Centre d'Ecologie Fonctionnelle et Evolutive, Université de Montpellier 2, 34398 Montpellier, France;

Unit?? Mixte de Recherche 5175, Centre d'Ecologie Fonctionnelle et Evolutive, Universit?? de Montpellier 2, 34398 Montpellier, FranceLaboratoire de Génétique et Evolution des Populations Végétales, Unité Mixte de Recherche 8198, Centre National de la Recherche Scientifique-Universite des Sciences et Technologies de Lille 1, 59655 Villeneuve d'Ascq Cedex, FranceUnité Mixte de Recherche 7205, Origine, Structure et Evolution de la Biodiversite, Museum National d'Histoire Naturelle, Centre National de la Recherche Scientifique, 75005 Paris, France;

展开▼
收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词

Evolution of a genetic polymorphism with climate change in a Mediterranean landscape

摘要

著录项

相关主题

期刊订阅