High-resolution analysis of selection sweeps identified between fine-wool Merino and coarse-wool Churra sheep breeds.

ABSTRACT:

Background

With the aim of identifying selection signals in three Merino sheep lines that are highly specialized for fine wool production (Australian Industry Merino, Australian Merino and Australian Poll Merino) and considering that these lines have been subjected to selection not only for wool traits but also for growth and carcass traits and parasite resistance, we contrasted the OvineSNP50 BeadChip (50 K-chip) pooled genotypes of these Merino lines with the genotypes of a coarse-wool breed, phylogenetically related breed, Spanish Churra dairy sheep. Genome re-sequencing datasets of the two breeds were analyzed to further explore the genetic variation of the regions initially identified as putative selection signals.

Results

Based on the 50 K-chip genotypes, we used the o

SUBMITTER: Gutierrez-Gil B 

PROVIDER: S-EPMC5674817 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature