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Article

Genetic analysis of iris pigmentation in Swiss pig breeds identifies a missense KITLG variant as a potential causal factor for pale and heterochromatic irises.

Genetics, selection, evolution : GSE - 25 Mar 2026

Gorssen Wim, Kadri Naveen Kumar, Khayatzadeh Negar, Leonard Alexander S, He Qiongyu, Mehrotra Arnav, Neuenschwander Stefan, Pausch Hubert

Abstract excerpt

BACKGROUND: Iris pigmentation is a heritable trait with a complex genetic architecture. While the genetic basis of iris pigmentation has been extensively studied in humans, little is known about iris pigmentation in pigs. Iris pigmentation in pigs varies from different shades of brown or pale irises to heterochromia manifesting either as different colors between both irises (heterochromia iridum) or multiple...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

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Identifiers

PMID: 41882519
DOI: 10.1186/s12711-026-01040-1
PMCID: PMC13023151

Genes

KITLG
ALX4
DCT
TYR

Variants

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.

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