Effect of mutations in Drosophila melanogaster tumor suppressor Merlin on proliferation and differentiation of wing cells

Effect of mutations in Drosophila melanogaster tumor suppressor Merlin on proliferation and... Experiments on transplantation of wing imaginal discs homozygous for a mutation in the tumor suppressor gene Merlin have demonstrated that this mutation does not induce malignant tumors. Marking of the wing disc compartment borders by specific antibodies showed the absence of essential compartment border defects in case of the Merlin mutation. Drosophila melanogaster cells mutant for Merlin have shorter cell cycle than normal cells. Proliferation of imaginal discs lasts longer in case of the mutation. It is known that beginning from some moment of development, wing veins serve as clonal restriction lines that cannot be crossed by growing mosaic clones. We showed that the Merlin mutation leads to depression of vein clonal restriction property. This means that this gene is involved not only in the control of cell proliferation, but also in the control of cell mobility and adhesion. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Effect of mutations in Drosophila melanogaster tumor suppressor Merlin on proliferation and differentiation of wing cells

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Publisher
Springer Journals
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795410020055
Publisher site
See Article on Publisher Site

Abstract

Experiments on transplantation of wing imaginal discs homozygous for a mutation in the tumor suppressor gene Merlin have demonstrated that this mutation does not induce malignant tumors. Marking of the wing disc compartment borders by specific antibodies showed the absence of essential compartment border defects in case of the Merlin mutation. Drosophila melanogaster cells mutant for Merlin have shorter cell cycle than normal cells. Proliferation of imaginal discs lasts longer in case of the mutation. It is known that beginning from some moment of development, wing veins serve as clonal restriction lines that cannot be crossed by growing mosaic clones. We showed that the Merlin mutation leads to depression of vein clonal restriction property. This means that this gene is involved not only in the control of cell proliferation, but also in the control of cell mobility and adhesion.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Mar 2, 2010

References

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