期刊
GENOME
卷 56, 期 8, 页码 457-472出版社
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/gen-2013-0046
关键词
Chiroptera; genome size; C-value; flight; metabolism
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- NSERC
Despite being a group of particular interest in considering relationships between genome size and metabolic parameters, bats have not been well studied from this perspective. This study presents new estimates for 121 microbat species from 12 families and complements a previous study on members of the family Pteropodidae (megabats). The results confirm that diversity in genome size in bats is very limited even compared with other mammals, varying approximately 2-fold from 1.63 pg in Lophostoma carrikeri to 3.17 pg in Rhinopoma hardwickii and averaging only 2.35 pg +/- 0.02 SE (versus 3.5 pg overall for mammals). However, contrary to some other vertebrate groups, and perhaps owing to the narrow range observed, genome size correlations were not apparent with any chromosomal, physiological, flight-related, developmental, or ecological characteristics within the order Chiroptera. Genome size is positively correlated with measures of body size in bats, though the strength of the relationships differs between pteropodids (megabats) and nonpteropodids (microbats).
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