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Page 1
Thermotaxis navigation behavior.
Goodman MB, Klein M, Lasse S, Luo L, Mori I, Samuel A, Sengupta P, Wang D. Goodman MB, et al. Among authors: sengupta p. WormBook. 2014 Feb 20:1-10. doi: 10.1895/wormbook.1.168.1. WormBook. 2014. PMID: 24563245 Free PMC article. Review.
This chapter describes four different protocols used to assay thermotaxis navigation behavior of single, or populations of, C. elegans hermaphrodites on spatial thermal gradients within the physiological temperature range (15-25C). ...
This chapter describes four different protocols used to assay thermotaxis navigation behavior of single, or populations of, C. elegans …
Dissecting the genetic landscape of GPCR signaling through phenotypic profiling in C. elegans.
Pu L, Wang J, Lu Q, Nilsson L, Philbrook A, Pandey A, Zhao L, Schendel RV, Koh A, Peres TV, Hashi WH, Myint SL, Williams C, Gilthorpe JD, Wai SN, Brown A, Tijsterman M, Sengupta P, Henriksson J, Chen C. Pu L, et al. Among authors: sengupta p. Nat Commun. 2023 Dec 18;14(1):8410. doi: 10.1038/s41467-023-44177-z. Nat Commun. 2023. PMID: 38110404 Free PMC article.
Here, we employ a CRISPR/Cas9-based approach, disrupting 1654 GPCR-encoding genes in 284 strains and mutating 152 neuropeptide-encoding genes in 38 strains in C. elegans. These two mutant libraries enable effective deorphanization of chemoreceptors, and characterization of …
Here, we employ a CRISPR/Cas9-based approach, disrupting 1654 GPCR-encoding genes in 284 strains and mutating 152 neuropeptide-encoding gene …
Chemosensory signal transduction in Caenorhabditis elegans.
Ferkey DM, Sengupta P, L'Etoile ND. Ferkey DM, et al. Among authors: sengupta p. Genetics. 2021 Mar 31;217(3):iyab004. doi: 10.1093/genetics/iyab004. Genetics. 2021. PMID: 33693646 Free PMC article. Review.
In the laboratory, robust behavioral assays, coupled with powerful genetic, molecular and optical tools, have made Caenorhabditis elegans an ideal experimental system in which to dissect the contributions of individual genes and neurons to ethologically relevant chemosenso …
In the laboratory, robust behavioral assays, coupled with powerful genetic, molecular and optical tools, have made Caenorhabditis elegans …
Molecular encoding of stimulus features in a single sensory neuron type enables neuronal and behavioral plasticity.
Harris N, Bates SG, Zhuang Z, Bernstein M, Stonemetz JM, Hill TJ, Yu YV, Calarco JA, Sengupta P. Harris N, et al. Among authors: sengupta p. Curr Biol. 2023 Apr 24;33(8):1487-1501.e7. doi: 10.1016/j.cub.2023.02.073. Epub 2023 Mar 27. Curr Biol. 2023. PMID: 36977417 Free PMC article.
Here, we describe the molecular profile of a thermosensory neuron pair in C. elegans experiencing different temperature stimuli. We find that distinct salient features of the temperature stimulus, including its duration, magnitude of change, and absolute value, are encoded …
Here, we describe the molecular profile of a thermosensory neuron pair in C. elegans experiencing different temperature stimuli. We f …
A neurotransmitter produced by gut bacteria modulates host sensory behaviour.
O'Donnell MP, Fox BW, Chao PH, Schroeder FC, Sengupta P. O'Donnell MP, et al. Among authors: sengupta p. Nature. 2020 Jul;583(7816):415-420. doi: 10.1038/s41586-020-2395-5. Epub 2020 Jun 17. Nature. 2020. PMID: 32555456 Free PMC article.
However, the mechanistic basis of this microbiota-brain signalling and its physiological relevance are largely unknown. Here we show that in Caenorhabditis elegans, the neuromodulator tyramine produced by commensal Providencia bacteria, which colonize the gut, bypasses the …
However, the mechanistic basis of this microbiota-brain signalling and its physiological relevance are largely unknown. Here we show that in …
The extraordinary AFD thermosensor of C. elegans.
Goodman MB, Sengupta P. Goodman MB, et al. Among authors: sengupta p. Pflugers Arch. 2018 May;470(5):839-849. doi: 10.1007/s00424-017-2089-5. Epub 2017 Dec 8. Pflugers Arch. 2018. PMID: 29218454 Free PMC article. Review.
The nematode C. elegans exhibits complex thermal experience-dependent navigation behaviors in response to environmental temperature changes of as little as 0.01C over a > 10C temperature range. ...
The nematode C. elegans exhibits complex thermal experience-dependent navigation behaviors in response to environmental temperature c …
The rise and fall of basal bodies in the nematode Caenorhabditis elegans.
Nechipurenko IV, Sengupta P. Nechipurenko IV, et al. Among authors: sengupta p. Cilia. 2017 Jul 26;6:9. doi: 10.1186/s13630-017-0053-9. eCollection 2017. Cilia. 2017. PMID: 28770089 Free PMC article. Review.
The free-living nematode, Caenorhabditis elegans, is a widely used genetic model organism for investigations into centriole and cilia biology. ...C. elegans centrioles comprise a central tube with a symmetric array of nine singlet microtubules. ...
The free-living nematode, Caenorhabditis elegans, is a widely used genetic model organism for investigations into centriole and cilia …
Cilia structure and intraflagellar transport differentially regulate sensory response dynamics within and between C. elegans chemosensory neurons.
Philbrook A, O'Donnell MP, Grunenkovaite L, Sengupta P. Philbrook A, et al. Among authors: sengupta p. PLoS Biol. 2024 Nov 26;22(11):e3002892. doi: 10.1371/journal.pbio.3002892. eCollection 2024 Nov. PLoS Biol. 2024. PMID: 39591402 Free PMC article.
By acutely inhibiting IFT without altering cilia structure and vice versa, here we describe the differential roles of ciliary trafficking and sensory ending morphology in shaping chemosensory responses in Caenorhabditis elegans. We show that a minimum cilium length but not …
By acutely inhibiting IFT without altering cilia structure and vice versa, here we describe the differential roles of ciliary trafficking an …
How Caenorhabditis elegans Senses Mechanical Stress, Temperature, and Other Physical Stimuli.
Goodman MB, Sengupta P. Goodman MB, et al. Among authors: sengupta p. Genetics. 2019 May;212(1):25-51. doi: 10.1534/genetics.118.300241. Genetics. 2019. PMID: 31053616 Free PMC article. Review.
Caenorhabditis elegans lives in a complex habitat in which they routinely experience large fluctuations in temperature, and encounter physical obstacles that vary in size and composition. ...This chapter summarizes current knowledge about the sensitivity and response dynam …
Caenorhabditis elegans lives in a complex habitat in which they routinely experience large fluctuations in temperature, and encounter …
An unusual potassium conductance protects Caenorhabditis elegans pharyngeal muscle rhythms against environmental noise.
Kenngott M, Sengupta P, Lockery S, Marder E. Kenngott M, et al. Among authors: sengupta p. Proc Natl Acad Sci U S A. 2025 Apr 8;122(14):e2422709122. doi: 10.1073/pnas.2422709122. Epub 2025 Apr 3. Proc Natl Acad Sci U S A. 2025. PMID: 40178897 Free PMC article.
The nematode Caenorhabditis elegans feeds by rhythmic contraction and relaxation of a neuromuscular organ called the pharynx, which draws in and filters water and bacterial food. ...
The nematode Caenorhabditis elegans feeds by rhythmic contraction and relaxation of a neuromuscular organ called the pharynx, which d …
111 results