نتایج جستجو برای: phylogeography

تعداد نتایج: 3088  

Journal: :The Journal of heredity 2010
Megan R McCusker Paul Bentzen

Phylogenetic analyses of all 4 wolffish species (Atlantic, Spotted, Northern, and Bering wolffishes) and the Wolfeel were assessed with both mitochondrial (D-loop and ND1) and nuclear (amplified fragment length polymorphism) DNA to resolve relationships within the family Anarhichadidae. Species-specific mitochondrial DNA (mtDNA) mutation rates were estimated based on 2 possible dates of diverge...

2011
Angela McGaughran Mark I. Stevens Ian D. Hogg Antonio Carapelli

We review current phylogeographic knowledge from across the Antarctic terrestrial landscape with a focus on springtail taxa. We describe consistent patterns of high genetic diversity and structure among populations which have persisted in glacial refugia across Antarctica over both short (10 Mya) timescales. Despite a general concordance of results among species, we explain why location is impo...

Journal: :The Journal of infectious diseases 2013
Xiaowen Cheng Yi Tan Mingliang He Tommy Tsan-Yuk Lam Xing Lu Cécile Viboud Jianfan He Shunxiang Zhang Jianhua Lu Chunli Wu Shishong Fang Xin Wang Xu Xie Hanwu Ma Martha I Nelson Hsiang-fu Kung Edward C Holmes Jinquan Cheng

BACKGROUND Understanding the epidemiological dynamics of influenza virus is central to surveillance and vaccine strain selection. It has been suggested that tropical and subtropical regions represent the global source of influenza epidemics. However, our understanding of the epidemiological dynamics of influenza virus in these regions is limited by a relative lack of long-term data. METHODS W...

Journal: :Molecular ecology 2014
Michael J Hickerson

As the field of phylogeography has continued to move in the model-based direction, researchers continue struggling to construct useful models for inference. These models must be both simple enough to be tractable yet contain enough of the complexity of the natural world to make meaningful inference. Beyond constructing such models for inference, researchers explore model space and test competin...

Journal: :The Journal of heredity 2008
Sarah M Vargas Flávia C F Araújo Danielle S Monteiro Sérgio C Estima Antônio P Almeida Luciano S Soares Fabrício R Santos

The leatherback sea turtle (Dermochelys coriacea) population that nests in Brazil is restricted to a few individuals, but high densities of pelagic individuals are observed along the southern and southeastern Brazilian coast. We investigated the diversity of the mitochondrial DNA (mtDNA) control region in order to understand the relationship between nesting and pelagic leatherbacks from Brazil ...

Journal: :Molecular ecology 2009
Rasmus Nielsen Mark A Beaumont

In conventional phylogeographic studies, historical demographic processes are elucidated from the geographical distribution of individuals represented on an inferred gene tree. However, the interpretation of gene trees in this context can be difficult as the same demographic/geographical process can randomly lead to multiple different genealogies. Likewise, the same gene trees can arise under d...

Journal: :Proceedings. Biological sciences 2009
Jeremy B Searle Petr Kotlík Ramugondo V Rambau Silvia Marková Jeremy S Herman Allan D McDevitt

Recent genetic studies have challenged the traditional view that the ancestors of British Celtic people spread from central Europe during the Iron Age and have suggested a much earlier origin for them as part of the human recolonization of Britain at the end of the last glaciation. Here we propose that small mammals provide an analogue to help resolve this controversy. Previous studies have sho...

2000
Warren Brian Simison John W. Taylor

Journal: :Biodiversitas 2022

Abstract. Mustikasari D, Nuryanto A, Suryaningsih S. 2022. Phylogeography of Aplocheilus panchax in Indonesia, with special focus on the Bangka Island population. Biodiversitas 23: 2035-2046. Previous studies divided Blue panchax, into three different clades, namely West (W), Central (C), and East (E) clades. populations from Indonesia belong to However, that study did not include blue samples ...

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