Results 41 to 50 of about 17,750 (222)

Evidence for a transcellular route for vitellogenin transport in the telotrophic ovary of Podisus nigrispinus (Hemiptera: Pentatomidae)

open access: yesScientific Reports, 2019
Vitellogenin is the main yolk precursor protein in insect oocytes. It is synthesized in the fat body and released into the hemolymph. To reach the oocyte surface, vitellogenin must cross a single layer of follicular epithelium cells.
M. Q. Assis   +4 more
semanticscholar   +1 more source

Sublethal Effects of Triflumezopyrim on Biological Traits and Detoxification Enzyme Activities in the Small Brown Planthopper Laodelphax striatellus (Hemiptera: Delphacidae)

open access: yesFrontiers in Physiology, 2020
The small brown planthopper [Laodelphax striatellus (Fallén) (Hemiptera, Delphacidae)] is one of the most destructive insect pests of rice and has developed strong resistance to several kinds of chemical insecticides.
Shuirong Zhang   +17 more
doaj   +1 more source

Neuroparsin 1 (MrNP1) and Neuroparsin 2 (MrNP2) Are Involved in the Regulation of Vitellogenesis in the Shrimp Macrobrachium rosenbergii

open access: yesFrontiers in Marine Science, 2022
Neuroparsins (NP) are small-size cysteine-rich neuropeptides first discovered in insects. They are known to be involved in insect reproduction. In this study, we have cloned two neuroparsin cDNAs (i.e., MrNP1 and MrNP2) from the freshwater shrimp ...
Chun Mei Ao   +4 more
doaj   +1 more source

Investigation of Gene Sequence Divergence, Expression Dynamics, and Endocrine Regulation of the Vitellogenin Gene Family in the Whiteleg Shrimp Litopenaeus vannamei

open access: yesFrontiers in Endocrinology, 2020
In this report, we studied the vitellogenin gene family in the whiteleg shrimp Litopenaeus vannamei by transcriptomics, bioinformatics, and molecular biology methods. At least three moderately homologous vitellogenin (Vg) genes (i.e.
Wei Wang   +6 more
doaj   +1 more source

Impact of Mixed Infections of Gut Parasites Lotmaria passim and Nosema ceranae on the Lifespan and Immune-related Biomarkers in Apis mellifera

open access: yesInsects, 2020
Lotmaria passim currently appears to be the predominant trypanosome in honey bees worldwide. Although, the specific effects of L. passim by single or mixed with other gut parasites such as Nosema ceranae on honey bees’ health is still unclear.
Nolberto Arismendi   +5 more
doaj   +1 more source

CRISPR/Cas9 establishment-mediated targeted mutagenesis in Macrobrachium nipponense

open access: yesFrontiers in Physiology, 2023
Introduction: CRISPR/Cas9 is a gene-editing technology which could specifically cleave dsDNA and induce target gene mutation. CRISPR/Cas9 has been widely used in gene functional studies in many fields, such as medicine, biology, and agriculture due to ...
Hui Qiao   +10 more
doaj   +1 more source

Immunoblotting Reactivity of Vitellogenin Antibodies against Native Vitellogenins and a Vitellogenin Protein Fragment Produced in E. coli

open access: yesJournal of Applied Biological Chemistry, 2009
Vitellogenin (Vtg) is found in the serum of both female and male fish that have been exposed to environmental endocrine disrupters or estrogen hormones, and is used as a biomarker for such contamination. In our current study antibodies raised against the purified flatfish Vtg were tested for their reactivity on immunoblots to flatfish and carp Vtg, and
Hyung-Seok Ryu   +2 more
openaire   +2 more sources

Alternative Splicing of the Lobster (Homarus americanus) Crustacean Hyperglycemic Hormone A and B Genes Produce 2 Protein Variants Involved in Vitellogenin Inhibition

open access: yesFrontiers in Marine Science, 2022
Current BLASTP search analysis results suggested that the lobster (Homarus americanus) HaCHH-A and HaCHH-B may be derived from two different four-exon genes. Repeated tissue expression studies have revealed much different expression patterns of these two
Cheng Gui Wang   +5 more
doaj   +1 more source

Oogenesis and germinal bed morphology of the brown anole (A. sagrei)

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background The brown anole is a model species of the genus Anolis, a squamate (encompassing lizards and snakes) group widely studied in evolutionary, behavioral, and developmental biology. Full genome annotation, the establishment of gene editing techniques, and comprehensive description of reproductive tract morphology and embryogenesis in ...
Bonnie K. Kircher   +12 more
wiley   +1 more source

Fathead minnow exposed to environmentally relevant concentrations of metformin for one life cycle show no adverse effects

open access: yesFACETS, 2021
Metformin is a glucose-lowering drug taken for diabetes. It is excreted by humans in urine and detected in municipal wastewater effluents and rivers.
Joanne L. Parrott   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy