Results 61 to 70 of about 14,702 (205)
Biosynthesis of mosquito vitellogenin.
Journal of Biological Chemistry, 1990 Vitellogenin (Vg), the hemolymph precursor to the major yolk protein in mosquitoes, is synthesized in the fat body of blood-fed females. Mosquito Vg consists of two subunits with Mr = 200,000 and 66,000. Here, we demonstrate that both the Vg subunits are first synthesized as a single precursor.
T S, Dhadialla, A S, Raikhel
openaire +2 more sources
New Plant Protection, EarlyView.Flight in female beet webworms (Loxostege sticticalis) promotes an increase in feeding, thereby enhancing abdominal energy reserves. Following flight, the flight muscles undergo accelerated histolysis, and the energy substances undergoing histolysis are redirected to the ovaries. These two processes collectively promote ovarian development.
Yu Gao +5 more
wiley +1 more source
Knowledge and Management of Aquatic Ecosystems, 2001 En complément des analyses chimiques, la mesure de biomarqueurs permet de disposer d'informations sur la nature et le niveau de la contamination chimique mais aussi sur la santé des organismes vivants et des populations des écosystèmes aquatiques.
FLAMMARION P., DEVAUX A., GARRIC J.
doaj +1 more source
Pest Management Science, EarlyView.Female boll weevils feeding on flower buds promote reproduction regardless of their immature diet, whereas boll feeding increases lipid reserves and lifespan, revealing a nutrition‐driven trade‐off that sustains survival and reproduction in tropical boll weevil populations.
Roberta Ramos Coelho +5 more
wiley +1 more source
Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2018 The vitellogenin gene expression can be altered by some estrogenic plant compounds like Genistein and β-sitosterol. Therefore, the measurement of vitellogenin gene expression can be used as an indicator to determine their effect on reproductive ...
D. Mohammadrezaei
doaj
Journal of Insect Science, 2018 Vitellogenin (Vg) and vitellogenin receptor (VgR) play important roles in the vitellogenesis of insects. In this study, we cloned and characterized the two corresponding genes (TpVg and TpVgR) in an economically important insect, Thitarodes pui ...
Han Wu +7 more
semanticscholar +1 more source
Pest Management Science, Volume 81, Issue 4, Page 2165-2180, April 2025.We used recently detected P450 DNA‐based markers of pyrethroid resistance in both Anopheles funestus and Anopheles gambiae to demonstrate that although pyrethroid‐resistant mosquitoes have higher ability to survive and live longer after exposure to Royal Guard, this net significantly affects their lifespan, blood feeding ability and interestingly ...
Emilie S Ngongang‐Yipmo +8 more
wiley +1 more source
Ecdysteroids, juvenile hormone and vitellogenesis in the cockroach Leucophaea maderae
Journal of Insect Science, 2002 Topical application of 400µg of the juvenile hormone analog, methoprene, to females of the penultimate instar of Leucophaea maderae failed to induce vitellogenin synthesis.
Franz Engelmann
doaj
Environmental Toxicology, EarlyView.ABSTRACT Pesticides and pharmaceuticals are among the most common chemical groups in waterbodies and soils, and their universal distribution raises concerns about potential adverse effects on nontarget organisms and humans. Reproductive output disruption is of particular concern, as it transposes effects from the individual to the next generations at ...
Fábio Campos +3 more
wiley +1 more source
New Perspectives on the Evolutionary History of Vitellogenin Gene Family in Vertebrates
Genome Biology and Evolution, 2018 Vitellogenin (Vtg) is a glycolipophosphoprotein produced by oviparous and ovoviviparous species and is the precursor protein of the yolk, an essential nutrient reserve for embryonic development and early larval stages.
M. A. Biscotti +3 more
semanticscholar +1 more source