Document Detail


Genetic selection for reproductive photoresponsiveness in deer mice.
MedLine Citation:
PMID:  3724859     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Seasonal breeding is common in mammals, particularly in habitats outside the tropics. Climate and availability of food are the ultimate factors that usually dictate the optimal time of year for a mammal to breed; however, day length (photoperiod) often serves as the proximal cue to signal the onset or cessation of seasonal reproduction. Some individuals in some populations of deer mice are reproductively responsive to photoperiod, while other individuals in the same population are not. As shown here, selection can dramatically alter the frequency of photoresponsiveness in a laboratory population in only two generations. To our knowledge this is the first demonstration of selection for reproductive photoresponsiveness in any mammal. By implication, some wild populations of deer mice must use multiple, genetic-based reproductive strategies, and the degree to which each such strategy is exhibited must be subject to rapid change in response to both seasonally and momentarily changing climatic and dietary conditions.
Authors:
C Desjardins; F H Bronson; J L Blank
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Nature     Volume:  322     ISSN:  0028-0836     ISO Abbreviation:  Nature     Publication Date:    1986 Jul 10-16
Date Detail:
Created Date:  1986-08-19     Completed Date:  1986-08-19     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  0410462     Medline TA:  Nature     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  172-3     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Female
Gene Frequency
Light
Male
Mice
Peromyscus / genetics*
Reproduction*
Seasons*
Selection, Genetic*
Grant Support
ID/Acronym/Agency:
AG00958/AG/NIA NIH HHS; HD-13470/HD/NICHD NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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