Abstract:
:Natural selection and domestication have shaped modern horse populations, resulting in a vast range of phenotypically diverse breeds. Horse breeds are classified into three types (pony, light, and draft) generally based on their body type. Understanding the genetic basis of horse type variation and selective pressures related to the evolutionary trend can be particularly important for current selection strategies. Whole-genome sequences were generated for 14 pony and 32 light horses to investigate the genetic signatures of selection of the horse type in pony and light horses. In the overlapping extremes of the fixation index and nucleotide diversity results, we found novel genomic signatures of selective sweeps near key genes previously implicated in body measurements including C4ORF33, CRB1, CPN1, FAM13A, and FGF12 that may influence variation in pony and light horse types. This study contributes to a better understanding of the genetic background of differences between pony and light horse types.
journal_name
Genomejournal_title
Genomeauthors
Salek Ardestani S,Aminafshar M,Zandi Baghche Maryam MB,Banabazi MH,Sargolzaei M,Miar Ydoi
10.1139/gen-2020-0001subject
Has Abstractpub_date
2020-08-01 00:00:00pages
387-396issue
8eissn
0831-2796issn
1480-3321journal_volume
63pub_type
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