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Characterisations of odorant-binding proteins in the tsetse fly Glossina morsitans morsitans

Liu, Renhu, Lehane, Stella, He, Xiaoli, Lehane, Mike, Hertz-Fowler, Christiane, Berriman, Matthew, Pickett, John A., Field, Linda M. and Zhou, Jing-Jiang (2009) 'Characterisations of odorant-binding proteins in the tsetse fly Glossina morsitans morsitans'. Cellular and Molecular Life Sciences, Vol 67, Issue 6, p. 919.

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Abstract

Odorant-binding proteins (OBPs) play an important role in insect olfaction by mediating interactions between odorants and odorant receptors. We report for the first time 20 OBP genes in the tsetse fly Glossina morsitans morsitans. qRT-PCR revealed that 8 of these genes were highly transcribed in the antennae. The transcription of these genes in the antennae was significantly lower in males than in females and there was a clear correlation between OBP gene transcription and feeding status. Starvation over 72 h post-blood meal (PBM) did not significantly affect the transcription. However, the transcription in the antennae of 10-week-old flies was much higher than in 3-day-old flies at 48 h PBM and decreased sharply after 72 h starvation, suggesting that the OBP gene expression is affected by the insect’s nutritional status.Sequence comparisons with OBPs of other Dipterans identified several homologs to sex pheromone-binding proteins and OBPs of Drosophila melanogaster.

Item Type: Article
Uncontrolled Keywords: Odorant binding protein; Tsetse fly; Annotation; Expression; Trypanosomiasis
Subjects: QX Parasitology > Insects. Other Parasites > QX 505 Diptera
QX Parasitology > Insects. Other Parasites > QX 650 Insect vectors
WC Communicable Diseases > Tropical and Parasitic Diseases > WC 705 Trypanosomiasis
Faculty: Department: Groups (2002 - 2012) > Vector Group
Digital Object Identifer (DOI): https://doi.org/10.1007/s00018-009-0221-1
Depositing User: Users 183 not found.
Date Deposited: 18 Aug 2010 13:13
Last Modified: 06 Feb 2018 13:01
URI: http://archive.lstmed.ac.uk/id/eprint/1124

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