Taichi Q. Itoh
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View article: Effect of temperature cycles on the sleep-like state in Hydra vulgaris
Effect of temperature cycles on the sleep-like state in Hydra vulgaris Open
View article: Expression and localization of the neuropeptide Y-Y4 receptor in the chick spleen: mRNA upregulation by high ambient temperature
Expression and localization of the neuropeptide Y-Y4 receptor in the chick spleen: mRNA upregulation by high ambient temperature Open
High ambient temperatures (HT) can increase diencephalic neuropeptide Y (NPY) expression, and central injection of NPY attenuates heat stress responses while inducing an antioxidative state in the chick spleen. However, there is a lack of …
View article: Symbiont specificity differs among green hydra strains
Symbiont specificity differs among green hydra strains Open
The symbiotic hydra Hydra viridissima has a stable symbiotic relationship with the green alga Chlorella . This hydra appears to cospeciate with the symbiotic alga, and some strains are known to have strain-specific host/symbiont combinatio…
View article: <i>period</i> Translation as a Core Mechanism Controlling Temperature Compensation in an Animal Circadian Clock
<i>period</i> Translation as a Core Mechanism Controlling Temperature Compensation in an Animal Circadian Clock Open
The most enigmatic of the canonical properties of circadian clocks is temperature compensation where circadian period length is stable across a wide temperature range despite the temperature dependence of most biochemical reactions. While …
View article: Glial immune-related pathways mediate effects of closed head traumatic brain injury on behavior and lethality in Drosophila
Glial immune-related pathways mediate effects of closed head traumatic brain injury on behavior and lethality in Drosophila Open
In traumatic brain injury (TBI), the initial injury phase is followed by a secondary phase that contributes to neurodegeneration, yet the mechanisms leading to neuropathology in vivo remain to be elucidated. To address this question, we de…
View article: Immature symbiotic system between horizontally transmitted green algae and brown hydra
Immature symbiotic system between horizontally transmitted green algae and brown hydra Open
Some strains of brown hydra ( Hydra vulgaris ) are able to harbor the green algae Chlorococcum in their endodermal epithelial cells as symbionts. However, the relationship between brown hydra and chlorococcum is considered to be incipient …
View article: A sleep-like state in <i>Hydra</i> unravels conserved sleep mechanisms during the evolutionary development of the central nervous system
A sleep-like state in <i>Hydra</i> unravels conserved sleep mechanisms during the evolutionary development of the central nervous system Open
The brain-less freshwater polyp Hydra controls sleep-wake cycles by mechanisms conserved or reprogrammed among animal species.
View article: Hydra vulgaris exhibits day-night variation in behavior and gene expression levels
Hydra vulgaris exhibits day-night variation in behavior and gene expression levels Open
Hydras show diel behavioral rhythms under light-dark cycles despite the absence of canonical core clock genes. Given the functions of the genes showing diel oscillations in hydras and the similarities of those genes with the diel cycle gen…
View article: Additional file 1: of Hydra vulgaris exhibits day-night variation in behavior and gene expression levels
Additional file 1: of Hydra vulgaris exhibits day-night variation in behavior and gene expression levels Open
List of HyDCGs lists 380 diel cycle genes in Hydra vulgaris. “Gene ID” refers to the gene number registered in the Hydra 2.0 Genome Portal ( https://research.nhgri.nih.gov/hydra/ ). The homologue descriptions and gene ontology terms are ba…
View article: Glial immune-related pathways as mediators of closed head TBI effects on behavior in <i>Drosophila</i>
Glial immune-related pathways as mediators of closed head TBI effects on behavior in <i>Drosophila</i> Open
In traumatic brain injury (TBI) the initial injury phase is followed by a secondary phase that contributes to neurodegeneration. Yet the mechanisms leading to neuropathology in vivo remain to be elucidated. To address this question, we dev…
View article: Deciphering the Genes for Taste Receptors for Fructose in Drosophila
Deciphering the Genes for Taste Receptors for Fructose in Drosophila Open
Taste sensitivity to sugars plays an essential role in the initiation of feeding behavior. In Drosophila melanogaster, recent studies have identified several gustatory receptor (Gr) genes required for sensing sweet compounds.…
View article: cryptochrome genes form an oscillatory loop independent of the per/tim loop in the circadian clockwork of the cricket Gryllus bimaculatus
cryptochrome genes form an oscillatory loop independent of the per/tim loop in the circadian clockwork of the cricket Gryllus bimaculatus Open
View article: Mated Drosophila melanogaster females consume more amino acids during the dark phase
Mated Drosophila melanogaster females consume more amino acids during the dark phase Open
To maintain homeostasis, animals must ingest appropriate quantities, determined by their internal nutritional state, of suitable nutrients. In the fruit fly Drosophila melanogaster, an amino acid deficit induces a specific appetite for ami…
View article: Self-Assembly Cloning: A Rapid Construction Method for Recombinant Molecules From Multiple Fragments
Self-Assembly Cloning: A Rapid Construction Method for Recombinant Molecules From Multiple Fragments Open
Protocol Summary Enzyme-free cloning (EFC) can rapidly produce an in-frame fusion gene with multiple fragments. To practically apply EFC, we investigated the extent and sequence of complementary staggered overhangs necessary to direct self…
View article: Genetics of Circadian Rhythms
Genetics of Circadian Rhythms Open