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BMC Genomics. 2010 Jun 1;11:346. doi: 10.1186/1471-2164-11-346.

Germline-dependent gene expression in distant non-gonadal somatic tissues of Drosophila.

Author information

1
Department of Biology, University of Pennsylvania, Philadelphia, PA, USA. mparisi@sas.upenn.edu

Abstract

BACKGROUND:

Drosophila females commit tremendous resources to egg production and males produce some of the longest sperm in the animal kingdom. We know little about the coordinated regulation of gene expression patterns in distant somatic tissues that support the developmental cost of gamete production.

RESULTS:

We determined the non-gonadal gene expression patterns of Drosophila females and males with or without a germline. Our results show that germline-dependent expression in the non-gonadal soma is extensive. Interestingly, gene expression patterns and hormone titers are consistent with a hormone axis between the gonads and non-gonadal soma.

CONCLUSIONS:

The germline has a long-range influence on gene expression in the Drosophila sexes. We suggest that this is the result of a germline/soma hormonal axis.

PMID:
20515475
PMCID:
PMC2887422
DOI:
10.1186/1471-2164-11-346
[Indexed for MEDLINE]
Free PMC Article

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