Taste cells expressing Ionotropic Receptor 94e reciprocally impact feeding and egg laying in Drosophila

Guillemin, Jacqueline; Li, Jinfang; Li, Viktoriya; McDowell, Sasha A.T.; Audette, Kayla; Davis, Grace; Jelen, Meghan; Slamani, Samy; Kelliher, Liam; Gordon, Michael D.; Stanley, Molly

doi:10.1016/j.celrep.2024.114625

Cell Reports

2024

DOI: 10.1016/j.celrep.2024.114625

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Taste cells expressing Ionotropic Receptor 94e reciprocally impact feeding and egg laying in Drosophila

Jacqueline Guillemin,

Jinfang Li,

Viktoriya Li

et al.

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2024

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Cited by 2 publications

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Connectomic analysis of taste circuits inDrosophila

Walker,

Peña-Garcia,

Devineni

2024

Preprint

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SUMMARYOur sense of taste is critical for regulating food consumption. The fruit flyDrosophilarepresents a highly tractable model to investigate mechanisms of taste processing, but taste circuits beyond sensory neurons are largely unidentified. Here, we use a whole-brain connectome to investigate the organization ofDrosophilataste circuits. We trace pathways from four populations of sensory neurons that detect different taste modalities and project to the subesophageal zone (SEZ). We find that second-order taste neurons are primarily located within the SEZ and largely segregated by taste modality, whereas third-order neurons have more projections outside the SEZ and more overlap between modalities. Taste projections out of the SEZ innervate regions implicated in feeding, olfactory processing, and learning. We characterize interconnections between taste pathways, identify modality-dependent differences in taste neuron properties, and use computational simulations to relate connectivity to predicted activity. These studies provide insight into the architecture ofDrosophilataste circuits.

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Connectomic analysis of taste circuits inDrosophila

Walker,

Peña-Garcia,

Devineni

2024

Preprint

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Capsaicin Responses in Drosophila: Exploring a Non-Trpv1 Model

Flores-Iga,

Amirthalingam,

Lopez-Ortiz

et al. 2024

Preprint

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Taste cells expressing Ionotropic Receptor 94e reciprocally impact feeding and egg laying in Drosophila

Cited by 2 publications

References 81 publications

Connectomic analysis of taste circuits inDrosophila

Connectomic analysis of taste circuits inDrosophila

Capsaicin Responses in Drosophila: Exploring a Non-Trpv1 Model

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