Search Results - "Samuel, Aravinthan Dt"
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The Ionotropic Receptors IR21a and IR25a mediate cool sensing in Drosophila
Published in eLife (29-04-2016)“…Animals rely on highly sensitive thermoreceptors to seek out optimal temperatures, but the molecular mechanisms of thermosensing are not well understood. The…”
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2
Distinct combinations of variant ionotropic glutamate receptors mediate thermosensation and hygrosensation in Drosophila
Published in eLife (22-09-2016)“…Ionotropic Receptors (IRs) are a large subfamily of variant ionotropic glutamate receptors present across Protostomia. While these receptors are most…”
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3
The wiring diagram of a glomerular olfactory system
Published in eLife (13-05-2016)“…The sense of smell enables animals to react to long-distance cues according to learned and innate valences. Here, we have mapped with electron microscopy the…”
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4
Reverse-correlation analysis of navigation dynamics in Drosophila larva using optogenetics
Published in eLife (05-05-2015)“…Neural circuits for behavior transform sensory inputs into motor outputs in patterns with strategic value. Determining how neurons along a sensorimotor circuit…”
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5
Circuits for integrating learned and innate valences in the insect brain
Published in eLife (10-11-2021)“…Animal behavior is shaped both by evolution and by individual experience. Parallel brain pathways encode innate and learned valences of cues, but the way in…”
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6
Corollary discharge promotes a sustained motor state in a neural circuit for navigation
Published in eLife (21-04-2021)“…Animals exhibit behavioral and neural responses that persist on longer timescales than transient or fluctuating stimulus inputs. Here, we report that uses…”
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7
Exploratory search during directed navigation in C. elegans and Drosophila larva
Published in eLife (30-10-2017)“…Many organisms-from bacteria to nematodes to insect larvae-navigate their environments by biasing random movements. In these organisms, navigation in isotropic…”
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8
An extrasynaptic GABAergic signal modulates a pattern of forward movement in Caenorhabditis elegans
Published in eLife (03-05-2016)“…As a common neurotransmitter in the nervous system, γ-aminobutyric acid (GABA) modulates locomotory patterns in both vertebrates and invertebrates. However,…”
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9
Neuroendocrine modulation sustains the C. elegans forward motor state
Published in eLife (18-11-2016)“…Neuromodulators shape neural circuit dynamics. Combining electron microscopy, genetics, transcriptome profiling, calcium imaging, and optogenetics, we…”
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Correction: Neuroendocrine modulation sustains the C. elegans forward motor state
Published in eLife (08-03-2017)“…Neuroendocrine modulation sustains the C. elegans forward motor state. eLife 5:e19887. doi: 10.7554/eLife.19887. Published 18, November 2016 We made a…”
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11
The role of the AFD neuron in C. elegans thermotaxis analyzed using femtosecond laser ablation
Published in BMC neuroscience (06-04-2006)“…Caenorhabditis elegans actively crawls down thermal gradients until it reaches the temperature of its prior cultivation, exhibiting what is called cryophilic…”
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12
C. elegans locomotion: small circuits, complex functions
Published in Current opinion in neurobiology (01-08-2015)“…Highlights • The Caenorhabditis elegans motor circuit has a nearly complete connectome. • Neurogenetic studies are unveiling a rich and complex set of…”
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13
Pan-neuronal imaging in roaming Caenorhabditis elegans
Published in Proceedings of the National Academy of Sciences - PNAS (23-02-2016)“…We present an imaging system for pan-neuronal recording in crawling Caenorhabditis elegans. A spinning disk confocal microscope, modified for automated…”
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14
Envelope structure of Synechococcus sp. WH8113, a nonflagellated swimming cyanobacterium
Published in BMC microbiology (24-04-2001)“…Many bacteria swim by rotating helical flagellar filaments. Waterbury et al. discovered an exception, strains of the cyanobacterium Synechococcus that swim…”
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15
Sensory determinants of behavioral dynamics in Drosophila thermotaxis
Published in Proceedings of the National Academy of Sciences - PNAS (13-01-2015)“…Complex animal behaviors are built from dynamical relationships between sensory inputs, neuronal activity, and motor outputs in patterns with strategic value…”
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16
Illuminating neural circuits and behaviour in Caenorhabditis elegans with optogenetics
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (19-09-2015)“…The development of optogenetics, a family of methods for using light to control neural activity via light-sensitive proteins, has provided a powerful new set…”
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17
Extrasynaptic signaling enables an asymmetric juvenile motor circuit to produce symmetric undulation
Published in Current biology (07-11-2022)“…In many animals, there is a direct correspondence between the motor patterns that drive locomotion and the motor neuron innervation. For example, the adult…”
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18
Caenorhabditis elegans : a model system for systems neuroscience
Published in Current opinion in neurobiology (01-12-2009)“…The nematode Caenorhabditis elegans is an excellent model organism for a systems-level understanding of neural circuits and behavior. Advances in the…”
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19
Proprioceptive Coupling within Motor Neurons Drives C. elegans Forward Locomotion
Published in Neuron (Cambridge, Mass.) (21-11-2012)“…Locomotion requires coordinated motor activity throughout an animal’s body. In both vertebrates and invertebrates, chains of coupled central pattern generators…”
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20
Biomechanical analysis of gait adaptation in the nematode Caenorhabditis elegans
Published in Proceedings of the National Academy of Sciences - PNAS (23-11-2010)“…To navigate different environments, an animal must be able to adapt its locomotory gait to its physical surroundings. The nematode Caenorhabditis elegans,…”
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