Identification of genes expressed in the accesory glands of male Mediterranean Fruit Flies (Ceratitis capitata).

Davies, SJ and Chapman, T (2006) Identification of genes expressed in the accesory glands of male Mediterranean Fruit Flies (Ceratitis capitata). Insect Biochemistry and Molecular Biology, 36 (11). pp. 846-856. ISSN 1879-0240

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Abstract

Genes expressed in the male reproductive system exhibit rapid evolutionary change and encode products that underlie striking, fitness-related phenotypes. Despite this, they have been characterised in detail in relatively few species. We report here an initial characterisation of the genes expressed in the male reproductive accessory glands of the Mediterranean Fruit Fly (Ceratitis capitata). We describe 13 independent expressed sequence tags (ESTs), of which 9 showed significant homology to known sequences and of which 4 represented novel sequences. The evidence suggests that our transcripts are not homologues of genes encoding known accessory gland proteins (Acps) in Drosophila melanogaster, but that they do encode proteins that fall into known functional categories for Acps (e.g. proteases, lipases, cysteine-rich secretory proteins [CRISPs]). Our results are consistent with the finding that among Acps there is considerable evolutionary lability at the sequence level, but evolutionary constraint at the functional level. The results highlight the extraordinary diversity of male reproductive genes.

Item Type: Article
Faculty \ School: Faculty of Science > School of Biological Sciences
University of East Anglia > Faculty of Science > Research Centres > Centre for Ecology, Evolution and Conservation
University of East Anglia > Faculty of Science > Research Groups > Organisms and the Environment
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Depositing User: EPrints Services
Date Deposited: 01 Oct 2010 14:38
Last Modified: 25 Jul 2018 05:59
URI: https://ueaeprints.uea.ac.uk/id/eprint/1334
DOI: 10.1016/j.ibmb.2006.08.009

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