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Locus Information: ECA7 locus

Inheritance: autosomal recessive

→ Only animals with two copies of the Mushroom factor (mu/mu) show the Mushroom dilution.

General Information:

  • Mushroom is a coat color phenotype in the Shetland Pony.
  • Reduced production of pheomelanin (red pigmentation) dilutes chestnut color to a light sepia tone.
  • Near white mane and tail.
  • The basic color bay can be slightly affected by Mushroom.

Possible Genotypes:

Genotype: Effects:
N/N No Mushroom mutation.
N/mu The horse has one copy of the M-variant → the horse does not show the diluted coat color.
mu/mu The horse has two copies of the M-variant → the horse shows the Mushroom dilution, if the base color is chestnut.

 

Test information: This test detects a Frameshift Mutation (p.Asp201fs) in the MFSD12 gene.

Tanaka J et al. (2019). Genome Wide Association Study Identifies Locus for the Mushroom Coat Color Dilution in Shetland Ponies. XXVII Plant and Animal Genome Conference, San Diego. Abstract number W359.

Further information is available at Online Mendelian Inheritance in Animals.

Mushroom describes the dilution of chestnut color into a light sepia tone. (Foto by Miniponys von der Asslitz)

Test #: H228

Samples: Blood, Hair

Price: 35 € (net)

Time required: 10-14 days

If there is only one copy of the Mushroom gen (N/mu), the horse does not show the dilution. (Foto by Miniponys von der Asslitz)

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