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Title: Characterisation of white and yellow eye colour mutant strains of house cricket, Acheta domesticus
Authors: Francikowski, Jacek
Krzyżowski, Michał
Kochańska, Barbara
Potrzebska, Marta
Baran, Bartosz
Chajec, Łukasz
Urbisz, Anna
Małota, Karol
Łozowski, Bartosz
Kloc, Małgorzata
Kubiak, Jacek
Keywords: eye-colour mutant strains; Acheta domesticus
Issue Date: 2019
Citation: PLoS ONE, Vol. 14, iss. 5 (2019), Art. No. e0216281
Abstract: Two eye-colour mutant strains, white (W) and yellow (Y) of house cricket Acheta domesticus were established in our laboratory. We phenotyped and genotyped the mutants, performed genetic crossings and studied the eye structure and pigment composition using light and electron microscopy and biochemical analysis. We show thatWand Y phenotypes are controlled by a single autosomal recessive allele, as both traits are metabolically independent. The analysis of the mutants‘eye structure showed a reduced number of dark pigment granules while simultaneously, and an increased amount of light vacuoles in white eye mutants was observed. Significant differences in eye pigment composition between strains were also found. The Y mutant had a lower number of ommochromes, while theWmutant had a lower number of ommochromes and pteridines. This indicates that mutated genes are involved in two different, independent metabolic pathways regulating tryptophan metabolism enzymes, pigment transporter granules or pigment granule formation.
DOI: 10.1371/journal.pone.0216281
ISSN: 1932-6203
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