Biología molecular: acceso abierto

Genomics of Human and Animal Populations

Abstract

Sudhansu Sekhar Patra

Genetic variation inspirations genetic factor expression, and this type of variation in gene expression may be professionally mapped to exact genomic regions and variants. Now we have used gene expression profiling of Epstein-Barr virus–transformed lymphoblastoid cell lines of all 270-separate genotyped in the HapMap Grouping to explain the thorough features of genetic variation fundamental gene expression variation. We discovery that gene expression is transmissible and that difference between populations is in agreement by earlier small-scale studies. A full connotation analysis of over 2.2 million common SNPs per population (5% frequency in HapMap) by gene expression recognized at least 1,348 genes with association signals in cis and at least 180 in trans. Replication on minimum one independent population was achieved for 37% of cis signals and 15% of trans signals, correspondingly. Our results powerfully support a profusion of cis-regulatory difference in the human genome. Detection of trans effects is limited but proposes that regulatory variation might be the key main effect contributing to phenotypic variation in humans. We also discover several methodologies that advance the present state of analysis of gene expression variation.