scholarly journals Multilocus genetic analyses and spatial modeling reveal complex population structure and history in a widespread resident North American passerine (Perisoreus canadensis)

2017 ◽  
Vol 7 (23) ◽  
pp. 9869-9889 ◽  
Author(s):  
Kimberly M. Dohms ◽  
Brendan A. Graham ◽  
Theresa M. Burg
Keyword(s):  
Population Structure ◽  
North American ◽  
Spatial Modeling ◽  
Genetic Analyses ◽  
Perisoreus Canadensis ◽  
Complex Population

scholarly journals Population structure of short-finned pilot whales in the oceanic archipelago of Madeira based on photo-identification and genetic analyses: implications for conservation

2013 ◽  
pp. n/a-n/a ◽  
Author(s):  
Filipe Alves ◽  
Sophie Quérouil ◽  
Ana Dinis ◽  
Cátia Nicolau ◽  
Cláudia Ribeiro ◽  
...  
Keyword(s):  
Population Structure ◽  
Genetic Analyses ◽  
Photo Identification ◽  
Pilot Whales

Population genetic analyses provide insights on the introduction pathway and spread patterns of the North American forest pathogenHeterobasidion irregularein Italy

2013 ◽  
Vol 22 (19) ◽  
pp. 4855-4869 ◽  
Author(s):  
M. Garbelotto ◽  
F. Guglielmo ◽  
S. Mascheretti ◽  
P. J. P. Croucher ◽  
P. Gonthier
Keyword(s):  
North American ◽  
Population Genetic ◽  
Genetic Analyses ◽  
The North ◽  
Introduction Pathway ◽  
Population Genetic Analyses

scholarly journals Genotyping by sequencing reveals contrasting patterns of population structure, ecologically mediated divergence, and long-distance dispersal in North American palms

2018 ◽  
Vol 8 (11) ◽  
pp. 5873-5890 ◽  
Author(s):  
Anastasia Klimova ◽  
Alfredo Ortega-Rubio ◽  
David L. J. Vendrami ◽  
Joseph I. Hoffman
Keyword(s):  
Population Structure ◽  
North American ◽  
Genotyping By Sequencing ◽  
Long Distance Dispersal ◽  
Long Distance

Population structure of Heterobasidion annosum from North America and Europe

1993 ◽  
Vol 71 (8) ◽  
pp. 1064-1071 ◽  
Author(s):  
William J. Otrosina ◽  
Thomas E. Chase ◽  
Fields W. Cobb Jr. ◽  
Kari Korhonen
Keyword(s):  
Population Structure ◽  
North America ◽  
North American ◽  
Forest Tree ◽  
Heterobasidion Annosum ◽  
Evolutionary Relationships ◽  
The North ◽  
Isozyme Loci ◽  
Intersterility Groups ◽  
European Populations

Isolates of Heterobasidion annosum (Fr.) Bref. representing North American S and P and European S, P, and F intersterility groups were subjected to isozyme analysis. European S, P, and F groups had more variability than the North American S and P groups in expected hterozygosity, number of alleles per locus, and percent polymorphic loci. In contrast with the North American S and P groups, the European intersterility groups could not be distinguished from each other on the basis of individual isozyme loci, although significant differences in allele frequencies exist between European S and P groups. This suggests that evolution proceeded at different rates in the intersterility groups, or intersterility barriers appeared later in the European populations relative to the North American populations of H. annosum. Changes in climate and host species associations during the Tertiary may have been a major factor in evolution of H. annosum intersterility groups. Key words: allozymes, forest tree hosts, playnological events, evolutionary relationships, Hymenomycetes, root disease.

From regionally predictable to locally complex population structure in a freshwater top predator: river systems are not always the unit of connectivity in Northern PikeEsox lucius

2014 ◽  
Vol 24 (2) ◽  
pp. 305-316 ◽  
Author(s):  
Dorte Bekkevold ◽  
Lene Jacobsen ◽  
Jakob Hemmer-Hansen ◽  
Søren Berg ◽  
Christian Skov
Keyword(s):  
Population Structure ◽  
Top Predator ◽  
River Systems ◽  
Complex Population

scholarly journals Complex population structure in African village dogs and its implications for inferring dog domestication history

2009 ◽  
Vol 106 (33) ◽  
pp. 13903-13908 ◽  
Author(s):  
A. R. Boyko ◽  
R. H. Boyko ◽  
C. M. Boyko ◽  
H. G. Parker ◽  
M. Castelhano ◽  
...  
Keyword(s):  
Population Structure ◽  
Complex Population ◽  
Dog Domestication

scholarly journals Scaling probabilistic models of genetic variation to millions of humans

2014 ◽  
Author(s):  
Prem Gopalan ◽  
Wei Hao ◽  
David M. Blei ◽  
John D. Storey
Keyword(s):  
Population Genetics ◽  
Population Structure ◽  
Genetic Variation ◽  
Probabilistic Models ◽  
Simulated Data ◽  
Genomic Data ◽  
Human Populations ◽  
Data Sets ◽  
Complex Population ◽  
Simulated Data Sets

One of the major goals of population genetics is to quantitatively understand variation of genetic polymorphisms among individuals. To this end, researchers have developed sophisticated statistical methods to capture the complex population structure that underlies observed genotypes in humans, and such methods have been effective for analyzing modestly sized genomic data sets. However, the number of genotyped humans has grown significantly in recent years, and it is accelerating. In aggregate about 1M individuals have been genotyped to date. Analyzing these data will bring us closer to a nearly complete picture of human genetic variation; but existing methods for population genetics analysis do not scale to data of this size. To solve this problem we developed TeraStructure. TeraStructure is a new algorithm to fit Bayesian models of genetic variation in human populations on tera-sample-sized data sets (1012observed genotypes, e.g., 1M individuals at 1M SNPs). It is a principled approach to Bayesian inference that iterates between subsampling locations of the genome and updating an estimate of the latent population structure of the individuals. On data sets of up to 2K individuals, TeraStructure matches the existing state of the art in terms of both speed and accuracy. On simulated data sets of up to 10K individuals, TeraStructure is twice as fast as existing methods and has higher accuracy in recovering the latent population structure. On genomic data simulated at the tera-sample-size scales, TeraStructure continues to be accurate and is the only method that can complete its analysis.

scholarly journals Mycelial biomass and concentration of loline alkaloids driven by complex population structure in Epichloë uncinata and meadow fescue (Schedonorus pratensis)

Mycologia ◽  
2020 ◽  
Vol 112 (3) ◽  
pp. 474-490 ◽  
Author(s):  
G. Cagnano ◽  
I. Lenk ◽  
N. Roulund ◽  
C. S. Jensen ◽  
M. P. Cox ◽  
...  
Keyword(s):  
Population Structure ◽  
Mycelial Biomass ◽  
Meadow Fescue ◽  
Complex Population ◽  
Loline Alkaloids
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