About: Mitochondrial DNA Variation Reveals Recent Evolutionary History of Main Boa constrictor Clades

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About: Mitochondrial DNA Variation Reveals Recent Evolutionary History of Main Boa constrictor Clades Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We sequenced a 1114-bp fragment of cytochrome b gene in six subspecies (115 samples) of Boa constrictor and detected 67 haplotypes. Our analyses revealed the presence of two distinct clades, one from Central America (CA) and the other covering the rest of South America (SA). Sequence divergence between CA and SA clades is about 5-7%, which roughly corresponds to a separation at the time of uplift of the Colombian Andes following formation of the Panama Isthmus before 3.5 Myr Sequence divergence within the SA and CA clades is only 2-3%, suggesting a fairly recent spread of these clades into their current geographic ranges. Thus, we may not be dealing with taxa with a markedly old evolutionary history. Because juveniles of B. constrictor feed mostly on small rodents, we hypothesized that spread of this species was allowed by a new food source represented by muroid rodents that appeared after closure of the Panama portal. We sequenced a 1114-bp fragment of cytochrome b gene in six subspecies (115 samples) of Boa constrictor and detected 67 haplotypes. Our analyses revealed the presence of two distinct clades, one from Central America (CA) and the other covering the rest of South America (SA). Sequence divergence between CA and SA clades is about 5-7%, which roughly corresponds to a separation at the time of uplift of the Colombian Andes following formation of the Panama Isthmus before 3.5 Myr Sequence divergence within the SA and CA clades is only 2-3%, suggesting a fairly recent spread of these clades into their current geographic ranges. Thus, we may not be dealing with taxa with a markedly old evolutionary history. Because juveniles of B. constrictor feed mostly on small rodents, we hypothesized that spread of this species was allowed by a new food source represented by muroid rodents that appeared after closure of the Panama portal. (en)
Title	Mitochondrial DNA Variation Reveals Recent Evolutionary History of Main Boa constrictor Clades Mitochondrial DNA Variation Reveals Recent Evolutionary History of Main Boa constrictor Clades (en)
skos:prefLabel	Mitochondrial DNA Variation Reveals Recent Evolutionary History of Main Boa constrictor Clades Mitochondrial DNA Variation Reveals Recent Evolutionary History of Main Boa constrictor Clades (en)
skos:notation	RIV/00216208:11310/09:10000007!RIV10-GA0-11310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GD206/05/H012), P(IAA601410803), P(IAA6111410), S
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hynková, Ivana Frynta, Daniel Starostová, Zuzana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	326534
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/09:10000007
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Bayesian phylogenetic inference; biogeography; american; phylogeography; serpentes; sequences; snakes; occidentalis; populations; Argentina (en)
http://linked.open.../riv/klicoveSlovo	phylogeography sequences biogeography Argentina populations Bayesian phylogenetic inference occidentalis serpentes american snakes
http://linked.open...odStatuVydavatele	JP - Japonsko
http://linked.open...ontrolniKodProRIV	[E8CA56B91374]
http://linked.open...i/riv/nazevZdroje	Zoological science
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Sexual size dimorphism: critical testing of current explanations Integration of ethological, physiological and behavioural ecological approaches to animal behaviour Recognition of predators and other dangerous organisms by terrestrial vertebrates
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	26
http://linked.open...iv/tvurceVysledku	Frynta, Daniel Starostová, Zuzana Hynková, Ivana
http://linked.open...ain/vavai/riv/wos	000270279400005
issn	0289-0003
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	11310

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