Document Detail


Evolutionary biology of centipedes (Myriapoda: Chilopoda).
MedLine Citation:
PMID:  16872257     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
New insights into the anatomy, systematics, and biogeography of centipedes have put these predatory terrestrial arthropods at the forefront of evolutionary studies. Centipedes have also played a pivotal role in understanding high-level arthropod relationships. Their deep evolutionary history, with a fossil record spanning 420 million years, explains their current worldwide distribution. Recent analyses of combined morphological and molecular data provide a stable phylogeny that underpins evolutionary interpretations of their biology. The centipede trunk, with its first pair of legs modified into a venom-delivering organ followed by 15 to 191 leg pairs, is a focus of arthropod segmentation studies. Gene expression studies and phylogenetics shed light on key questions in evolutionary developmental biology concerning the often group-specific fixed number of trunk segments, how some centipedes add segments after hatching whereas others hatch with the complete segment count, the addition of segments through evolution, and the invariably odd number of leg-bearing trunk segments.
Authors:
Gregory D Edgecombe; Gonzalo Giribet
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Review    
Journal Detail:
Title:  Annual review of entomology     Volume:  52     ISSN:  0066-4170     ISO Abbreviation:  Annu. Rev. Entomol.     Publication Date:  2007  
Date Detail:
Created Date:  2006-12-13     Completed Date:  2007-03-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372367     Medline TA:  Annu Rev Entomol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  151-70     Citation Subset:  IM    
Affiliation:
Australian Museum, Sydney, New South Wales 2010, Australia. greged@austmust.gov.au
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MeSH Terms
Descriptor/Qualifier:
Animals
Arthropods* / classification
Evolution*
Fossils
Geography
Predatory Behavior

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


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