Ionotropic receptor-dependent moist and dry cells control hygrosensation in Drosophila

Insects use hygrosensation (humidity sensing) to avoid desiccation and, in vectors such as mosquitoes, to locate vertebrate hosts. Sensory neurons activated by either dry or moist air ('dry cells' and 'moist cells') have been described in many insects, but their behavioral roles...

Ամբողջական նկարագրություն

Մատենագիտական մանրամասներ
Հիմնական հեղինակներ: Knecht, Z, Silbering, A, Cruz, J, Yang, L, Croset, V, Benton, R, Garrity, P
Ձևաչափ: Journal article
Լեզու:English
Հրապարակվել է: eLife Sciences 2017
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author Knecht, Z
Silbering, A
Cruz, J
Yang, L
Croset, V
Benton, R
Garrity, P
author_facet Knecht, Z
Silbering, A
Cruz, J
Yang, L
Croset, V
Benton, R
Garrity, P
author_sort Knecht, Z
collection OXFORD
description Insects use hygrosensation (humidity sensing) to avoid desiccation and, in vectors such as mosquitoes, to locate vertebrate hosts. Sensory neurons activated by either dry or moist air ('dry cells' and 'moist cells') have been described in many insects, but their behavioral roles and the molecular basis of their hygrosensitivity remain unclear. We recently reported that Drosophila hygrosensation relies on three Ionotropic Receptors (IRs) required for dry cell function: IR25a, IR93a and IR40a (Knecht et al., 2016). Here, we discover Drosophila moist cells and show that they require IR25a and IR93a together with IR68a, a conserved, but orphan IR. Both IR68a- and IR40a-dependent pathways drive hygrosensory behavior: each is important for dry-seeking by hydrated flies and together they underlie moist-seeking by dehydrated flies. These studies reveal that humidity sensing in Drosophila, and likely other insects, involves the combined activity of two molecularly related but neuronally distinct hygrosensing systems.
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spelling oxford-uuid:bd073d87-83d4-4e3f-bf72-89d2058048632022-03-27T05:28:48ZIonotropic receptor-dependent moist and dry cells control hygrosensation in DrosophilaJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:bd073d87-83d4-4e3f-bf72-89d205804863EnglishSymplectic Elements at OxfordeLife Sciences2017Knecht, ZSilbering, ACruz, JYang, LCroset, VBenton, RGarrity, PInsects use hygrosensation (humidity sensing) to avoid desiccation and, in vectors such as mosquitoes, to locate vertebrate hosts. Sensory neurons activated by either dry or moist air ('dry cells' and 'moist cells') have been described in many insects, but their behavioral roles and the molecular basis of their hygrosensitivity remain unclear. We recently reported that Drosophila hygrosensation relies on three Ionotropic Receptors (IRs) required for dry cell function: IR25a, IR93a and IR40a (Knecht et al., 2016). Here, we discover Drosophila moist cells and show that they require IR25a and IR93a together with IR68a, a conserved, but orphan IR. Both IR68a- and IR40a-dependent pathways drive hygrosensory behavior: each is important for dry-seeking by hydrated flies and together they underlie moist-seeking by dehydrated flies. These studies reveal that humidity sensing in Drosophila, and likely other insects, involves the combined activity of two molecularly related but neuronally distinct hygrosensing systems.
spellingShingle Knecht, Z
Silbering, A
Cruz, J
Yang, L
Croset, V
Benton, R
Garrity, P
Ionotropic receptor-dependent moist and dry cells control hygrosensation in Drosophila
title Ionotropic receptor-dependent moist and dry cells control hygrosensation in Drosophila
title_full Ionotropic receptor-dependent moist and dry cells control hygrosensation in Drosophila
title_fullStr Ionotropic receptor-dependent moist and dry cells control hygrosensation in Drosophila
title_full_unstemmed Ionotropic receptor-dependent moist and dry cells control hygrosensation in Drosophila
title_short Ionotropic receptor-dependent moist and dry cells control hygrosensation in Drosophila
title_sort ionotropic receptor dependent moist and dry cells control hygrosensation in drosophila
work_keys_str_mv AT knechtz ionotropicreceptordependentmoistanddrycellscontrolhygrosensationindrosophila
AT silberinga ionotropicreceptordependentmoistanddrycellscontrolhygrosensationindrosophila
AT cruzj ionotropicreceptordependentmoistanddrycellscontrolhygrosensationindrosophila
AT yangl ionotropicreceptordependentmoistanddrycellscontrolhygrosensationindrosophila
AT crosetv ionotropicreceptordependentmoistanddrycellscontrolhygrosensationindrosophila
AT bentonr ionotropicreceptordependentmoistanddrycellscontrolhygrosensationindrosophila
AT garrityp ionotropicreceptordependentmoistanddrycellscontrolhygrosensationindrosophila