Inheritance of the background shell color in the snails Littorina obtusata (Gastropoda, Littorinidae)

Inheritance of the background shell color in the snails Littorina obtusata (Gastropoda,... We investigated in a gastropod mollusk Littorina obtusata (L. obtusata) the inheritance of back-ground shell coloration of the shell, which arises on the basis of three pigments: purple, orange, and yellow. We found that the hypothesis on polyallelic inheritance, as in the genus Cepaea, cannot explain the inheritance of shell color in periwinkles. We demonstrated that a separate genetic system is responsible for incorporation of each pigment into the shell. The composition of these genetic systems includes at least two genes each in the case of the yellow and purple pigments. Our analysis shows that caution should be applied when extending the results obtained in the studies of the Cepaea genus to the other species of gastropods. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Inheritance of the background shell color in the snails Littorina obtusata (Gastropoda, Littorinidae)

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Publisher
Pleiades Publishing
Copyright
Copyright © 2014 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795414100044
Publisher site
See Article on Publisher Site

Abstract

We investigated in a gastropod mollusk Littorina obtusata (L. obtusata) the inheritance of back-ground shell coloration of the shell, which arises on the basis of three pigments: purple, orange, and yellow. We found that the hypothesis on polyallelic inheritance, as in the genus Cepaea, cannot explain the inheritance of shell color in periwinkles. We demonstrated that a separate genetic system is responsible for incorporation of each pigment into the shell. The composition of these genetic systems includes at least two genes each in the case of the yellow and purple pigments. Our analysis shows that caution should be applied when extending the results obtained in the studies of the Cepaea genus to the other species of gastropods.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 23, 2014

References

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