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PMID: 6782674 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.

Giant polytene chromosomes from the ovaries of a Drosophila mutant.

Science (New York, N.Y.) ·Vol. 212 ·No. 4493 ·1981-04-24 ·Pages 441-3

King RC, Riley SF, Cassidy JD, White PE, Paik YK

Abstract

The chromosomes of the ovarian nurse cells of Drosophila melanogaster fall apart during their cycles of endoreduplication. However, chromosomal synapsis occurs in the pseudonurse cells produced in certain mutant females. The resulting polytene chromosomes undergo developmental changes that are strikingly different from those recorded for the giant chromosomes of the larval salivary gland cells.

MeSH Terms

Animals Chromatin/ultrastructure Chromosome Inversion Chromosomes/ultrastructure DNA Replication Drosophila melanogaster/genetics Female Heterochromatin/ultrastructure Mutation Ovarian Neoplasms/genetics,veterinary Ovary/ultrastructure

Chemicals

Chromatin Heterochromatin

Authors & Affiliations

5 authors, click to expand affiliations / ORCID

King R C

Riley S F

Cassidy J D

White P E

Paik Y K

Article Info

Journal

Science (New York, N.Y.)

Abbr.

Science

ISSN

0036-8075

DOI

10.1126/science.6782674

Published

1981-04-24

Pages

441-3

Language

English

Region

United States

NLM ID

0404511

Subset

External Links

PubMed source DOI: 10.1126/science.6782674 View journal details

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Giant polytene chromosomes from the ovaries of a Drosophila mutant.

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