An internal thermal sensor controlling temperature preference in Drosophila

Fumika N. Hamada, Mark Rosenzweig, Kyeongjin Kang, Stefan R. Pulver, Alfredo Ghezzi, Timothy J. Jegla and Paul A. Garrity ()
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Fumika N. Hamada: National Center for Behavioral Genomics, Volen Center for Complex Systems, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA
Mark Rosenzweig: National Center for Behavioral Genomics, Volen Center for Complex Systems, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA
Kyeongjin Kang: National Center for Behavioral Genomics, Volen Center for Complex Systems, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA
Stefan R. Pulver: National Center for Behavioral Genomics, Volen Center for Complex Systems, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA
Alfredo Ghezzi: National Center for Behavioral Genomics, Volen Center for Complex Systems, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA
Timothy J. Jegla: The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA
Paul A. Garrity: National Center for Behavioral Genomics, Volen Center for Complex Systems, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA

Nature, 2008, vol. 454, issue 7201, 217-220

Abstract: Fruit flies feel the heat In large animals the sensors used to monitor environmental temperature are found at the periphery of the body, and the prevailing wisdom has been that their location in small animals would be the same. For instance it was assumed that insects would sense ambient temperature via their antennae. But a surprise finding in Drosophila has identified the large heat-responsive neurons that detect ambient temperature, and they are located internally, in the brain. The four anterior cell neurons respond to warmth by activating dTrpA1 ion channels, presumably alerting the fly to seek more hospitable climes. These channels are potential targets for the disruption of thermal preference behaviours in insect pests and disease vectors.

Date: 2008
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DOI: 10.1038/nature07001

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