Results 21 to 30 of about 14,702 (205)

bmo-miR-2739 and the novel microRNA miR-167 coordinately regulate the expression of the vitellogenin receptor in Bombyx mori oogenesis

open access: yesDevelopment, 2020
Vitellogenin receptors (VgRs) play crucial roles in oogenesis by mediating endocytosis of vitellogenin and other nutrients in ovipara. We conducted small RNA sequencing and screening with a luciferase reporter system, and found that bmo-miR-2739 and a ...
E. Chen   +9 more
semanticscholar   +1 more source

Factors Affecting Colony Losses in Honey Bees (Apis mellifera)

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2022
Honey bees are a very important species in terms of economy, agriculture, and environment. In recent years, there has been a significant reduction in honey bee colonies in some parts of the world.
Halit Yücel   +4 more
doaj   +1 more source

Hemocyte-mediated phagocytosis differs between honey bee (Apis mellifera) worker castes.

open access: yesPLoS ONE, 2017
Honey bees as other insects rely on the innate immune system for protection against diseases. The innate immune system includes the circulating hemocytes (immune cells) that clear pathogens from hemolymph (blood) by phagocytosis, nodulation or ...
Eva Marit Hystad   +3 more
doaj   +1 more source

Early gonadal maturation and vitellogenin mRNA expression in Siberian sturgeon Acipenser baerii cultured in a semi-closed water recirculating system in Korea

open access: yesJournal of Animal Reproduction and Biotechnology, 2020
Changes of gonadal morphology and mRNA expression patterns of vitellogenin were investigated in Siberian sturgeon Acipenser baerii (Chondrostei) during its early gonadal maturation period.
Chulhong Park   +4 more
doaj   +1 more source

Molecular Characterization of Neoseiulus barkeri Vitellogenin Genes and Vitellogenin Receptor during Reproductive Diapause [PDF]

open access: yesInsects, 2020
The relationship between reproductive diapause and the genes related to vitellogenin (Vg) and its receptor (VgR) in insectoid ovarian development is still unclear. Accordingly, in the present study, we used hematoxylin and eosin staining to study the ovarian structure in the predatory mite Neoseiulus barkeri, a species that shows promise as a ...
Jiang   +9 more
openaire   +3 more sources

Effect of Insulin Receptor on Juvenile Hormone Signal and Fecundity in Spodoptera litura (F.)

open access: yesInsects, 2022
Insulin signaling can regulate various physiological functions, such as energy metabolism and reproduction and so on, in many insects, including mosquito and locust. However, the molecular mechanism of this physiological process remains elusive.
Xue Pan   +8 more
doaj   +1 more source

Vitellogenin Receptor as a Target for Tick Control: A Mini-Review

open access: yesFrontiers in Physiology, 2019
While much effort has been put into understanding vitellogenesis in insects and other organisms, much less is known of this process in ticks. There are several steps that facilitate yolk formation in developing oocytes of which the vitellogenin receptor (
R. D. Mitchell   +2 more
semanticscholar   +1 more source

Induction of vitellogenin synthesis by estrogen in avian liver: relationship between level of vitellogenin mRNA and vitellogenin synthesis. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1976
We have investigated the estrogen-mediated induction of vitellogenin synthesis in rooster liver. We compared the concentrations of vitellogenin messenger RNA (mRNA) in the liver with the concentrations of vitellogenin in the sera of roosters that had recieved various treatments with estrogen.
K P, Mullinix   +6 more
openaire   +2 more sources

Vitellogenin Facilitates Associations between the Whitefly and a Bacteriocyte Symbiont

open access: yesmBio, 2023
Integration between animal reproduction and symbiont inheritance is fundamental in symbiosis biology, but the underlying molecular mechanisms are largely unknown.
Xiang Sun   +6 more
doaj   +1 more source

Fat body–specific vitellogenin expression regulates host-seeking behaviour in the mosquito Aedes albopictus

open access: yesPLoS Biology, 2019
The high vector competence of mosquitoes is intrinsically linked to their reproductive strategy because females need a vertebrate blood meal to develop large batches of eggs. However, the molecular mechanisms and pathways regulating mosquito host-seeking
Jessica Dittmer   +2 more
semanticscholar   +1 more source

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