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Article

TRPA channels distinguish gravity sensing from hearing in Johnston's organ.

Proceedings of the National Academy of Sciences of the United States of America - 11 Aug 2009

Sun Yishan, Liu Lei, Ben-Shahar Yehuda, Jacobs Julie S, Eberl Daniel F, Welsh Michael J

Abstract excerpt

Although many animal species sense gravity for spatial orientation, the molecular bases remain uncertain. Therefore, we studied Drosophila melanogaster, which possess an inherent upward movement against gravity-negative geotaxis. Negative geotaxis requires Johnston's organ, a mechanosensory structure located in the antenna that also detects near-field sound. Because channels of the transient receptor potential...

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Identifiers

PMID: 19666538
DOI: 10.1073/pnas.0906377106
PMCID: PMC2717111

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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