نتایج جستجو برای: admixture

تعداد نتایج: 5019  

Journal: :Molecular ecology 2013
Paul A Hohenlohe Mitch D Day Stephen J Amish Michael R Miller Nick Kamps-Hughes Matthew C Boyer Clint C Muhlfeld Fred W Allendorf Eric A Johnson Gordon Luikart

Rapid and inexpensive methods for genomewide single nucleotide polymorphism (SNP) discovery and genotyping are urgently needed for population management and conservation. In hybridized populations, genomic techniques that can identify and genotype thousands of species-diagnostic markers would allow precise estimates of population- and individual-level admixture as well as identification of 'sup...

2015
Brad L. Smith Ching-Ping Lu Blanca García-Cortés Jordi Viñas Shean-Ya Yeh Jaime R. Alvarado Bremer Daniele Canestrelli

Previous genetic studies of Atlantic swordfish (Xiphias gladius L.) revealed significant differentiation among Mediterranean, North Atlantic and South Atlantic populations using both mitochondrial and nuclear DNA data. However, limitations in geographic sampling coverage, and the use of single loci, precluded an accurate placement of boundaries and of estimates of admixture. In this study, we p...

2015
Emile R. Chimusa Ayton Meintjies Milaine Tchanga Nicola Mulder Cathal Seoighe Himla Soodyall Rajkumar Ramesar

We report a study of genome-wide, dense SNP (∼ 900K) and copy number polymorphism data of indigenous southern Africans. We demonstrate the genetic contribution to southern and eastern African populations, which involved admixture between indigenous San, Niger-Congo-speaking and populations of Eurasian ancestry. This finding illustrates the need to account for stratification in genome-wide assoc...

2018
Jowell Garcia Alka Garg Yunmei Song Ambados Fotios Chad Andersen Sanjay Garg

There is increasing interest to administer ibuprofen as a continuous infusion instead of a traditional bolus for treating Patent Ductus Arteriosus (PDA). However, its compatibility data with commonly used drugs in the neonatal period, including parenteral nutrition (PN) and lipids is unavailable. The aim is to determine the compatibility of intravenous ibuprofen lysine with various ANZNN parent...

Journal: :American journal of physical anthropology 2005
Carolina Bonilla Gerardo Gutiérrez Esteban J Parra Christopher Kline Mark D Shriver

We studied 156 individuals of Native American descent from the city of Tlapa in the state of Guerrero in western Mexico. Most individuals' ethnicity was either Nahua, Mixtec, or Tlapanec, but self-identified Mestizos and individuals of mixed ethnicities were also included in the sample. We typed 24 autosomal, one Y-chromosome, and four mitochondrial ancestry-informative markers (AIMs) to estima...

Journal: :Indonesian Journal Of Multidiciplinary Research 2021

The purpose of this study was to report a review on admixture. This is important for giving ideas and knowledge about admixture, from the definition practical application, practitioners in civil engineering field. In short, water-reducing set-controlling admixtures have proven themselves be useful tools precast industry. They can significantly reduce water-cement ratio (w/c), decreasing use cem...

2014
Eliane Valiquette Charles Perrier Isabel Thibault Louis Bernatchez

Stocking represents the most important management tool worldwide to increase and sustain commercial and recreational fisheries in a context of overexploitation. Genetic impacts of this practice have been investigated in many studies, which examined population and individual admixture, but few have investigated determinants of these processes. Here, we addressed these questions from the genotypi...

Journal: :American journal of physical anthropology 1996
E J Manderscheid A R Rogers

The replacement hypothesis of modern human origins holds that the original population of modern humans expanded throughout the world, replacing existing archaic populations as it went. If this expanding population interbred with the peoples it replaced, then some archaic mitochondria might have been introduced into the early modern gene pool. Such mitochondria would be recognizable today becaus...

2015
Massimo Mezzavilla Maria Geppert Chris Tyler-Smith Lutz Roewer Yali Xue

The colonization of Americas is thought to have occurred 15-20 thousand years ago (Kya), with little or no subsequent migration into South America until the European expansions beginning 0.5 Kya. Recently, however, haplogroup C3* Y chromosomes were discovered in two nearby Native American populations from Ecuador. Since this haplogroup is otherwise nearly absent from the Americas but is common ...

Journal: :American journal of epidemiology 2011
Edward A Ruiz-Narváez Lynn Rosenberg Lauren A Wise David Reich Julie R Palmer

Confounding due to population stratification is a potential source of concern in population-based genetic association studies, particularly in recently admixed populations such as African Americans. Several methods have been developed to control for population stratification in the context of genome-wide association studies. Because these approaches require thousands of genotypes from genetic m...

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