Results 21 to 30 of about 21,062 (233)

Four-way regulation of mosquito yolk protein precursor genes by juvenile hormone-, ecdysone-, nutrient-, and insulin-like peptide signaling pathways. [PDF]

open access: yes, 2014
Anautogenous mosquito females require a meal of vertebrate blood in order to initiate the production of yolk protein precursors by the fat body. Yolk protein precursor gene expression is tightly repressed in a state-of-arrest before blood meal-related ...
Attardo, Geoffrey M   +3 more
core   +2 more sources

Leucokinins: Multifunctional Neuropeptides and Hormones in Insects and Other Invertebrates [PDF]

open access: yesInternational Journal of Molecular Sciences, 2021
Leucokinins (LKs) constitute a neuropeptide family first discovered in a cockroach and later identified in numerous insects and several other invertebrates. The LK receptors are only distantly related to other known receptors. Among insects, there are many examples of species where genes encoding LKs and their receptors are absent.
Dick R. Nässel, Shun-Fan Wu
openaire   +3 more sources

The microbiome of the invertebrate model host Galleria mellonella is dominated by Enterococcus

open access: yesAnimal Microbiome, 2019
Background The popularity of Galleria mellonella as invertebrate model is increasing rapidly, because it forms an attractive alternative to study bacterial, fungal and viral infections, toxin biology, and to screen antimicrobial drugs.
Camille Nina Allonsius   +4 more
doaj   +1 more source

The neuropeptide transcriptome of a model echinoderm, the sea urchin Strongylocentrotus purpuratus [PDF]

open access: yes, 2012
The work reported here was supported by a grant from the University of London Central Research ...
Elphick, MR, Rowe, ML
core   +1 more source

Comparative and Evolutionary Physiology of Vasopressin/ Oxytocin-Type Neuropeptide Signaling in Invertebrates

open access: yesFrontiers in Endocrinology, 2020
The identification of structurally related hypothalamic hormones that regulate blood pressure and diuresis (vasopressin, VP; CYFQNCPRG-NH2) or lactation and uterine contraction (oxytocin, OT; CYIQNCPLG-NH2) was a major advance in neuroendocrinology ...
Esther A. Odekunle, Maurice R. Elphick
doaj   +1 more source

Adipokinetic hormone enhances laminarin and bacterial lipopolysaccharide-induced activation of the prophenoloxidase cascade in the African migratory locust, Locusta migratoria [PDF]

open access: yes, 2002
Lom-AKH-I enhances the activation in vivo of prophenoloxidase in the haemolymph of the African migratory locust, Locusta migratoria, in response to challenge with laminarin.
Brehelin   +23 more
core   +1 more source

The Role of Monoaminergic Neurotransmission for Metabolic Control in the Fruit Fly Drosophila Melanogaster

open access: yesFrontiers in Systems Neuroscience, 2017
Hormones control various metabolic traits comprising fat deposition or starvation resistance. Here we show that two invertebrate neurohormones, octopamine (OA) and tyramine (TA) as well as their associated receptors, had a major impact on these metabolic
Yong Li   +11 more
doaj   +1 more source

Interactions between the endocrine and immune systems in locusts [PDF]

open access: yes, 2003
The prophenoloxidase cascade in the haemolymph of mature adult Locusta migratoria migratorioides (R & F) is activated in response to injection of laminarin, a -1,3 glucan.
Chandrakant, S.   +3 more
core   +1 more source

Conservation of progesterone hormone function in invertebrate reproduction [PDF]

open access: yesProceedings of the National Academy of Sciences, 2010
Steroids play fundamental roles regulating mammalian reproduction and development. Although sex steroids and their receptors are well characterized in vertebrates and several arthropod invertebrates, little is known about the hormones and receptors regulating reproduction in other invertebrate species.
E Paige, Stout   +4 more
openaire   +2 more sources

Trade-offs between personal immunity and reproduction in the burying beetle, N. vespilloides [PDF]

open access: yes, 2014
We know that parental investment and immune investment are costly processes, but it is unclear which trait will be prioritised when both may be required.
Cotter, Sheena C.   +3 more
core   +2 more sources

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