نتایج جستجو برای: polymorphism genetics

تعداد نتایج: 175301  

Journal: :Forest pathology 2016
M-S Kim P A Hohenlohe K-H Kim S-T Seo N B Klopfenstein

Raffaelea quercus-mongolicae is a fungus associated with oak wilt and deemed to cause extensive oak mortality in South Korea. Since the discovery of this fungus on a dead Mongolian oak (Quercus mongolica) in 2004, the mortality continued to spread southwards in South Korea. Despite continued expansion of the disease and associated significant impacts on forest ecosystems, information is lacking...

Journal: :Science 2005
David A Hinds Laura L Stuve Geoffrey B Nilsen Eran Halperin Eleazar Eskin Dennis G Ballinger Kelly A Frazer David R Cox

Individual differences in DNA sequence are the genetic basis of human variability. We have characterized whole-genome patterns of common human DNA variation by genotyping 1,586,383 single-nucleotide polymorphisms (SNPs) in 71 Americans of European, African, and Asian ancestry. Our results indicate that these SNPs capture most common genetic variation as a result of linkage disequilibrium, the c...

Journal: :American journal of human genetics 2008
Jian Wang Sanjay Shete

For assessment of genetic association between single-nucleotide polymorphisms (SNPs) and disease status, the logistic-regression model or generalized linear model is typically employed. However, testing for deviation from Hardy-Weinberg proportion in a patient group could be another approach for genetic-association studies. The Hardy-Weinberg proportion is one of the most important principles i...

Journal: :The New phytologist 2016
Monica Rodriguez Domenico Rau Elena Bitocchi Elisa Bellucci Eleonora Biagetti Andrea Carboni Paul Gepts Laura Nanni Roberto Papa Giovanna Attene

Here we studied the organization of genetic variation of the common bean (Phaseolus vulgaris) in its centres of domestication. We used 131 single nucleotide polymorphisms to investigate 417 wild common bean accessions and a representative sample of 160 domesticated genotypes, including Mesoamerican and Andean genotypes, for a total of 577 accessions. By analysing the genetic spatial patterns of...

2012
Michael Cariaso Greg Lennon

SNPedia (http://www.SNPedia.com) is a wiki resource of the functional consequences of human genetic variation as published in peer-reviewed studies. Online since 2006 and freely available for personal use, SNPedia has focused on the medical, phenotypic and genealogical associations of single nucleotide polymorphisms. Entries are formatted to allow associations to be assigned to single genotypes...

2001
R. BEECHING

Cassava (A4uiiihot esculenru Crantz) cDNA clones were used to detect restriction fragment length polymorphisms in a collection of Manihr germplasm maintained as in vitro plants at ORSTOM, Montpellier. The collection consisted of mostly African cultivars of M . esculerifu, together with a few A4. gluziovii Mueller von Argau and M. cuerulescens Pohl, and some interspecific hybrids between M. escu...

2012
Shuangcheng Li Shiquan Wang Qiming Deng Aiping Zheng Jun Zhu Huainian Liu Lingxia Wang Fengyan Gao Ting Zou Bin Huang Xuemei Cao Lizhi Xu Chuang Yu Peng Ai Ping Li

Rice restorer lines play an important role in three-line hybrid rice production. Previous research based on molecular tagging has suggested that the restorer lines used widely today have narrow genetic backgrounds. However, patterns of genetic variation at a genome-wide scale in these restorer lines remain largely unknown. The present study performed re-sequencing and genome-wide variation anal...

2011
Wanting Chen Caroline Hayward Alan F. Wright Andrew A. Hicks Veronique Vitart Sara Knott Sarah H. Wild Peter P. Pramstaller James F. Wilson Igor Rudan David J. Porteous

Genome analysis provides a powerful approach to test for evidence of genetic variation within and between geographical regions and local populations. Copy number variants which comprise insertions, deletions and duplications of genomic sequence provide one such convenient and informative source. Here, we investigate copy number variants from genome wide scans of single nucleotide polymorphisms ...

Journal: :American journal of human genetics 2002
Henrik Kaessmann Sebastian Zöllner Anna C Gustafsson Victor Wiebe Maris Laan Joakim Lundeberg Mathias Uhlén Svante Pääbo

The extent of linkage disequilibrium (LD) was studied in two small food-gathering populations-Evenki and Saami-and two larger food-producing populations-Finns and Swedes-in northern Eurasia. In total, 50 single-nucleotide polymorphisms (SNPs) from five genes were genotyped using real-time pyrophosphate DNA sequencing, whereas 14 microsatellites were genotyped in two X-chromosomal regions. In ad...

2013
Byung Ho Kang So Youn Kim Mun Suk Park Kyung Lim Yoon Kye Shik Shim

PURPOSE There were a lot of reports regarding associations of polymorphisms in the estrogen receptor α (ESR1). with many disorders. But, those with constitutional delay of growth and puberty (CDGP) are not known. Our aim is to find out any association between CDGP and ESR1. METHODS In a total of 27 subjects, we compared 7 CDGP patients with 20 healthy controls with their heights and sexual ma...

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