Linked Life Data

19666129

Source:http://linkedlifedata.com/resource/pubmed/id/19666129

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2009-12-1
pubmed:abstractText
We analyze the phylogeny of the medically important and taxonomically unresolved viper genus Echis using four mitochondrial gene fragments. The results show that the populations of the genus fall into four main clades: the Echis carinatus, E. coloratus, E. ocellatus and E. pyramidum groups. The E. pyramidum and E. coloratus groups are sister taxa but the interrelationships of this clade and the E. ocellatus and E. carinatus groups are unresolved. The initial divergence of the genus appears to coincide with the collision between Afro-Arabia and Eurasia, and that between the E. coloratus and E. pyramidum clades appears to be associated with the opening of the Red Sea. Later land connections between Africa and Arabia may have contributed to shaping the distribution of the E. pyramidum complex. The present distribution of E. carinatus may be the result of range expansion from southern India. Taxonomically, our results provide molecular evidence for the validity of Echis omanensis, E. khosatzkii, E. borkini and E. jogeri, for the presence of unsuspected genetic diversity within the E. pyramidum complex in eastern Africa, and for the conspecificity of E. carinatus and E. multisquamatus. The status of E. leucogaster remains to be confirmed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
1095-9513
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
53
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
792-807
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
When continents collide: phylogeny, historical biogeography and systematics of the medically important viper genus Echis (Squamata: Serpentes: Viperidae).
pubmed:affiliation
Bangor University, School of Biological Sciences, Environment Centre Wales, Brambell Building, Bangor LL57 2UW, UK.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't