Dog colour patterns explained by modular promoters of ancient canid origin.

Bannasch, Danika L.; Kaelin, Christopher B; Letko, Anna; Loechel, Robert; Hug, Petra; Jagannathan, Vidhya; Henkel, Jan; Roosje, Petra; Hytönen, Marjo K; Lohi, Hannes; Arumilli, Meharji; Minor, Katie M; Mickelson, James R; Drögemüller, Cord; Barsh, Gregory S; Leeb, Tosso (2021). Dog colour patterns explained by modular promoters of ancient canid origin. Nature ecology & evolution, 5(10), pp. 1415-1423. Nature Publishing Group 10.1038/s41559-021-01524-x

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Distinctive colour patterns in dogs are an integral component of canine diversity. Colour pattern differences are thought to have arisen from mutation and artificial selection during and after domestication from wolves but important gaps remain in understanding how these patterns evolved and are genetically controlled. In other mammals, variation at the ASIP gene controls both the temporal and spatial distribution of yellow and black pigments. Here, we identify independent regulatory modules for ventral and hair cycle ASIP expression, and we characterize their action and evolutionary origin. Structural variants define multiple alleles for each regulatory module and are combined in different ways to explain five distinctive dog colour patterns. Phylogenetic analysis reveals that the haplotype combination for one of these patterns is shared with Arctic white wolves and that its hair cycle-specific module probably originated from an extinct canid that diverged from grey wolves more than 2 million years ago. Natural selection for a lighter coat during the Pleistocene provided the genetic framework for widespread colour variation in dogs and wolves.

Item Type:

Journal Article (Original Article)

Division/Institute:

09 Interdisciplinary Units > Next Generation Sequencing (NGS) Platform
05 Veterinary Medicine > Research Foci > DermFocus
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Institute of Genetics
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > DKV - Dermatology
05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH)

Graduate School:

Graduate School for Cellular and Biomedical Sciences (GCB)

UniBE Contributor:

Bannasch, Danika, Letko, Anna, Henkel, Jan Wolfgang, Roosje Hasler, Pieternella, Drögemüller, Cord, Leeb, Tosso

Subjects:

500 Science > 590 Animals (Zoology)
600 Technology > 630 Agriculture
500 Science > 570 Life sciences; biology
600 Technology > 610 Medicine & health

ISSN:

2397-334X

Publisher:

Nature Publishing Group

Language:

English

Submitter:

Tosso Leeb

Date Deposited:

16 Aug 2021 17:14

Last Modified:

02 Mar 2023 23:35

Publisher DOI:

10.1038/s41559-021-01524-x

PubMed ID:

34385618

BORIS DOI:

10.48350/158201

URI:

https://boris.unibe.ch/id/eprint/158201

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