Neosurugatoxin blocks an alpha-bungarotoxin-sensitive neuronal nicotinic acetylcholine receptor.

abstract：:Prostaglandins (PGs) are oxygenated metabolites of arachidonic acid and two other C20 polyunsaturated fatty acids. Among other actions in invertebrates, PGs act in ovarian development, renal functions, immunity, hemocyte migration, and gene/protein expression. Reversible phosphorylation is a major mechanism of regulat...

journal_title：Archives of insect biochemistry and physiology

authors： Stanley D,Goodman CL,Ringbauer JA,Song Q

更新日期：2020-09-01 00:00:00

abstract：:In vivo treatments of female sex pheromone glands of the processionary moth, Thaumetopoea pityocampa, with mass-labeled fatty acids showed that (Z)-13-hexadecen-11-ynyl acetate, the main sex pheromone component, is biosynthesized from palmitic acid by the combined action of delta-11 and delta-13 desaturases. The invol...

journal_title：Archives of insect biochemistry and physiology

authors： Arsequell G,Fabriàs G,Camps F

更新日期：1990-01-01 00:00:00

abstract：:A major long-term goal of polydnavirus (PDV) genome research is to identify novel virally encoded molecules that may serve as biopesticides to target insect pests that threaten agriculture and human health. As PDV viral replication in cell culture in vitro has not yet been achieved, several thousands of wasps must be ...

journal_title：Archives of insect biochemistry and physiology

authors： Rodríguez-Pérez MA,Beckage NE

更新日期：2008-04-01 00:00:00

abstract：:Extracts of the green-colored perivisceral fat body of newly ecdysed Manduca sexta pupae stimulate mitosis in midgut stem cells of Heliothis virescens cultured in vitro. Using a combination of cation- and anion-exchange chromatography, we have isolated a protein from these fat body extracts that accounts for the obser...

journal_title：Archives of insect biochemistry and physiology

authors： Blackburn MB,Loeb MJ,Clark E,Jaffe H

更新日期：2004-01-01 00:00:00

abstract：:Octopamine (OCT)/tyramine (TYR) analogues, mainly including p- and beta-substituted phenylethylamines, were prepared as probes for the ligand-binding site(s) of adenylate cyclase-coupled OCT or TYR receptors, and were examined for their effects on cAMP production in the head membranes of Bombyx mori larvae. Small stru...

journal_title：Archives of insect biochemistry and physiology

authors： Aoyama M,Nakane T,Ono T,Khan MA,Ohta H,Ozoe Y

更新日期：2001-05-01 00:00:00

abstract：:Intracellular activities of K+, H+, Mg2+, Ca2+, and Cl-, measured with ion selective microelectrodes in the oocyte and the nurse cells in ovarian follicles of Hyalophora cecropia, indicated that a Ca2+ current is a key component of the electrical potential that is maintained across the intercellular bridges connecting...

journal_title：Archives of insect biochemistry and physiology

authors： Woodruff RI,Telfer WH

更新日期：1994-01-01 00:00:00

abstract：:The cDNA encoding neuroparsin A, a polytropic neurohormone of the locust, Locusta migratoria, was inserted into the genome of Autographa californica nuclear polyhedrosis virus such that transcription was under control of the p10 promoter. A polypeptide having the same charge and the same apparent molecular weight as t...

journal_title：Archives of insect biochemistry and physiology

authors： Girardie J,Chaabihi H,Fournier B,Lagueux M,Girardie A

更新日期：1997-01-01 00:00:00

abstract：:The yolk platelets from Rhodnius prolixus, a blood-sucking bug, are composed mostly of vitellin and here are shown to contain at least two hydrolytic enzymes, a phosphatase and a cathepsin D-like proteinase. Both the proteinase and the phosphatase have an acid pH optimum. No hydrolytic activity was observed under alka...

journal_title：Archives of insect biochemistry and physiology

authors： Nussenzveig RH,Oliveira PL,Masuda H

更新日期：1992-01-01 00:00:00

abstract：:Chitin synthase catalyzes chitin synthesis in the exoskeleton, tracheal system and gut during insect development. A chitin synthase 1 (CfCHS1) cDNA was identified and cloned from the spruce budworm, Choristoneura fumiferana. The CfCHS1 cDNA is 5,300 bp in length and codes a 1,564-amino acid protein with a molecular ma...

journal_title：Archives of insect biochemistry and physiology

authors： Ampasala DR,Zheng S,Zhang D,Ladd T,Doucet D,Krell PJ,Retnakaran A,Feng Q

更新日期：2011-02-01 00:00:00

abstract：:Bursicon is a neuropeptide that regulates cuticle sclerotization (hardening and tanning) via a G protein-coupled receptor. It consists of two subunits, an alpha and a beta. In the present study, we investigated the transcriptional expression and in situ localization of bursicon alpha and beta in the central nerve syst...

journal_title：Archives of insect biochemistry and physiology

authors： Wang S,An S,Song Q

更新日期：2008-06-01 00:00:00

abstract：:Male German cockroaches possess secretory glands that secrete fluid into a pair of transverse depressions on the seventh and eighth abdominal tergites. We investigated the effects of altered juvenoid titer during the first part of the last instar on tergal gland secretory tissue development and the production of terga...

journal_title：Archives of insect biochemistry and physiology

authors： Saltzmann KA,Saltzmann KD,Neal JJ,Scharf ME,Bennett GW

更新日期：2006-09-01 00:00:00

abstract：:An in vitro bioassay suitable for routine use to investigate hypertrehalosemic hormone (HTH)-dependent trehalose biosynthesis was developed for the cockroach fat body. Blaberus discoidalis fat bodies were isolated and divided so that eight matched pieces from a single tissue could be compared for multiple control and ...

journal_title：Archives of insect biochemistry and physiology

authors： Keeley LL,Sowa SM,Hesson AS

更新日期：1995-01-01 00:00:00

abstract：:Phototoxic chemicals produced by plants have been studied in a number of contexts, most notably as protective agents against mammalian and insect herbivores. Although there are commonalities in the responses of these two groups of herbivores to plant phototoxins, there are differences as well. Whereas a greater range ...

journal_title：Archives of insect biochemistry and physiology

authors： Berenbaum M

更新日期：1995-01-01 00:00:00

abstract：:Salivary enzyme, glucose oxidase (GOX) from the caterpillar Helicoverpa zea, catalyzes the conversion of glucose to gluconic acid and hydrogen peroxide. Because hydrogen peroxide has well-known antimicrobial properties, we examined whether caterpillar labial saliva could reduce the infectivity of bacterial pathogens. ...

journal_title：Archives of insect biochemistry and physiology

authors： Musser RO,Kwon HS,Williams SA,White CJ,Romano MA,Holt SM,Bradbury S,Brown JK,Felton GW

更新日期：2005-02-01 00:00:00

abstract：:Many studies have documented the involvement of eicosanoids in insect cellular immune responses to bacteria. The use of the fungal pathogen Beauveria bassiana as a nodulation elicitor, with inhibition of phospholipase A(2) by dexamethasone, extends the principle to fungi. This study also provides the first evidence of...

journal_title：Archives of insect biochemistry and physiology

authors： Lord JC,Anderson S,Stanley DW

更新日期：2002-09-01 00:00:00

abstract：:Cell-proliferation in Drosophila Kc167 cells was inhibited by 50% when cell cultures contained 1.7 x 10(-7) M azadirachtin for 48 h (a tertranortriterpenoid from the neem tree Azadirachta indica). Drosophila Kc167 cells exhibited direct nuclear damage within 6-h exposure to azadirachtin (5 x 10(-7) M and above) or wit...

journal_title：Archives of insect biochemistry and physiology

authors： Robertson SL,Ni W,Dhadialla TS,Nisbet AJ,McCusker C,Ley SV,Mordue W,Mordue 'Luntz' AJ

更新日期：2007-04-01 00:00:00

abstract：:Hydrocarbon and wax ester components of cuticular lipids of the braconid parasitoid Habrobracon hebetor Say reared at 25 degrees C on larvae of a pyralid moth have been identified by GC-MS and analyzed with respect to adult age, mating status, and diet. The hydrocarbons range in carbon number from C(21) to C(45) and c...

journal_title：Archives of insect biochemistry and physiology

authors： Howard RW,Baker JE

更新日期：2003-05-01 00:00:00

abstract：:The hemocyte line BTI-EA-1174-A from the lepidopteran insect Estigmene acraea responds to bacterial lipopolysaccharide (LPS) by an enhanced phagocytic reaction and a dose-dependent increase of lysozyme release [Wittwer et al., Dev Comp Immunol 21:323 (1997)]. This paper provides evidence for a strong proteolytic activ...

journal_title：Archives of insect biochemistry and physiology

authors： Wittwer D,Wiesner A

更新日期：1998-01-01 00:00:00

abstract：:The Arctic springtail, Megaphorura arctica, survives sub-zero temperatures in a dehydrated state via trehalose-dependent cryoprotective dehydration. Regulation of trehalose biosynthesis is complex; based in part on studies in yeast and fungi, its connection with oxidative stress caused by exposure of cells to oxidants...

journal_title：Archives of insect biochemistry and physiology

authors： Grubor-Lajšić G,Petri ET,Kojić D,Purać J,Popović ZD,Worland RM,Clark MS,Mojović M,Blagojević DP

更新日期：2013-02-01 00:00:00

abstract：:Two molecular forms of juvenile hormone binding proteins were identified in the larval hemolymph of Bombyx mori by photoaffinity labeling. One form having an Mr of 33 kDa was present constantly in the hemolymph of the third to the fifth instar larvae while the other form having an Mr of 35 kDa was detected in the hemo...

journal_title：Archives of insect biochemistry and physiology

authors： Park CH,Kim HR

更新日期：1996-01-01 00:00:00

abstract：:To study dietary pH effects on Lymantria dispar asiatica larvae and provide a theoretical basis for its control in different forests, phosphate buffers (PBs) of pH 6, 7, and 8 were used to prepare experimental diets. The diet prepared with pH 6 PB was named as DPB6, with pH 8 PB as DPB8, and with pH 7 PB as DPB7 (cont...

journal_title：Archives of insect biochemistry and physiology

authors： Zeng JY,Shi JH,Guo JX,Shi ZB,Zhang GC,Zhang J

更新日期：2020-04-01 00:00:00

abstract：:Labial glands of Helicoverpa zea produced a glucose oxidase (GOX), which was present in the saliva and midgut lumen. We purified GOX 23-fold by isoelectric focusing of labial gland homogenates and investigated physical and kinetic properties of the enzyme. D-glucose and 6-deoxy-D-glucose were the optimal substrates of...

journal_title：Archives of insect biochemistry and physiology

authors： Eichenseer H,Mathews MC,Bi JL,Murphy JB,Felton GW

更新日期：1999-09-01 00:00:00

abstract：:The relatively little-investigated entomopathogen Conidiobolus coronatus secretes several proteinases into culture broth. Using a combination of ion-exchange and size-exclusion chromatography, we purified to homogeneity a serine proteinase of Mr 30,000-32,000, as ascertained by SDS-PAGE. The purified enzyme showed sub...

journal_title：Archives of insect biochemistry and physiology

authors： Bania J,Samborski J,Bogus M,Polanowski A

更新日期：2006-08-01 00:00:00

abstract：:Adult functions of juvenile hormone (JH) have been described for Drosophila melanogaster and other dipteran insects, but preadult function for this hormone remains largely unknown in this order of insects. We have identified a mutation of Drosophila, Methoprene-tolerant (Met), which appears to alter JH reception durin...

journal_title：Archives of insect biochemistry and physiology

authors： Turner C,Wilson TG

更新日期：1995-01-01 00:00:00

abstract：:A Na(+)/H(+) exchanger (NHE) on the apical membrane of mosquito Malpighian tubule (MT) cells is believed to participate in the blood-feeding mosquito's vital secretion of Na(+) and fluid. This study presents the molecular cloning, primary structure, and tissue distribution of two cDNAs encoding Aedes aegypti mosquito ...

journal_title：Archives of insect biochemistry and physiology

authors： Hart SJ,Knezetic JA,Petzel DH

更新日期：2002-11-01 00:00:00

abstract：:Molting is the result of the expression of a cascade of genes that is sequentially both up and down-regulated by the molting hormone, 20-hydroxyecdysone (20E), which is secreted as a pulse during each instar. Benzoyl hydrazine analogs of 20E act like the native molting hormone at the molecular level by binding with th...

journal_title：Archives of insect biochemistry and physiology

authors： Retnakaran A,Krell P,Feng Q,Arif B

更新日期：2003-12-01 00:00:00

abstract：:The full-length cDNA of pheromone biosynthesis activating neuropeptide receptor (PBANR) was cloned from the beet armyworm, Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae); it included an open reading frame of 1,053 bp encoding 350 amino acids. The PBANR of S. exigua (SePBANR) was structurally characteristic of G p...

journal_title：Archives of insect biochemistry and physiology

authors： Cheng Y,Luo L,Jiang X,Zhang L,Niu C

更新日期：2010-09-01 00:00:00

abstract：:Bostrichiformia is the less known major series of Coleoptera regarding digestive physiology. The midgut of Dermestes maculatus has a cylindrical ventriculus with anterior caeca. There is no cell differentiation along the ventriculus, except for the predominance of cells undergoing apocrine secretion in the anterior re...

journal_title：Archives of insect biochemistry and physiology

authors： Caldeira W,Dias AB,Terra WR,Ribeiro AF

更新日期：2007-01-01 00:00:00

abstract：:The actions of acetylcholine and cholinergic ligands have been studied using dorsal midline neurones from the rnetathoracic ganglion of the cockroach Periplaneta americana.Both nicotine and oxotremorine depolarized dorsal midline neuronal cell bodies.Dose-response curves for nicotine and oxotremorine saturated at diff...

journal_title：Archives of insect biochemistry and physiology

authors： Bai D,Erdbrugger H,Breer H,Sattelle DB

更新日期：1992-01-01 00:00:00

abstract：:Among insects, lifespans vary over a broad range, from the short-lived mayflies to the 17-year periodical cicadas. Generally, lifespans are determined by a phase in life, the reproductive lifespan, which varies among species. Numerous pathways, such as the insulin/insulin-like growth factor signaling pathway, the targ...

journal_title：Archives of insect biochemistry and physiology

authors： Xiong S,Yu K,Ye X,Fang Q,Deng Y,Xiao S,Yang L,Wang B,Wang F,Yan Z,Wang F,Song Q,Stanley DW,Ye G

更新日期：2020-02-01 00:00:00