In vitro bioassay for hypertrehalosemic hormone-dependent trehalose biosynthesis by fat body from adult Blaberus discoidalis cockroaches.

abstract：:Pheromone titer in moths is a product of three processes occurring in or at the surface of the pheromone gland: biosynthesis, release, and intraglandular degradation, of pheromone. Changes in titers of sex pheromone, the fatty acyl pheromone analog (FAPA), and tetradecanoate, a pheromone biosynthetic intermediate, wer...

journal_title：Archives of insect biochemistry and physiology

authors： Foster SP

更新日期：2000-03-01 00:00:00

abstract：:Insect cellular immune responses include encapsulation, nodule formation, and phagocytosis. Hemichannels and gap junctions are involved in these cellular actions. Innexins (Inxs: analogous to the vertebrate connexins) form hemichannels and gap junctions, but the molecular mechanisms underlying their biology is still u...

journal_title：Archives of insect biochemistry and physiology

authors： Pang Z,Li M,Yu D,Yan Z,Liu X,Ji X,Yang Y,Hu J,Luo K

更新日期：2015-09-01 00:00:00

abstract：:Pteromalus puparum is a gregarious pupal endoparasitoid with a wide host range. It deposits eggs into pierid and papilionid butterfly pupae. Glutathione S-transferases (GSTs) are a family of multifunctional detoxification enzymes that act in xenobiotic metabolism in insects. Insect genome projects have facilitated ide...

journal_title：Archives of insect biochemistry and physiology

authors： Xu G,Teng ZW,Gu GX,Guo L,Wang F,Xiao S,Wang JL,Wang BB,Fang Q,Wang F,Song QS,Stanley D,Ye GY

更新日期：2020-02-01 00:00:00

abstract：:Lepidopteran larvae show a cellular response to invading foreign substances that are larger than hemocytes, for example, parasitoid eggs or larvae. This response is called hemocyte encapsulation and is often accompanied by phenoloxidase (PO)-catalyzed melanization. In the present study, we artificially transplanted en...

journal_title：Archives of insect biochemistry and physiology

authors： Kato Y,Yoshida T,Miura K,Tanaka T,Nakamatsu Y,Ochiai M

更新日期：2014-08-01 00:00:00

abstract：:The recombinant lambda clone 4-2 containing the genomic region of the Drosophila hormone receptor 38 (DHR 38) gene, homologous to mammalian neuronal growth factor I-B (NGFI-B), was isolated by radioactive labelled oligonucleotide hybridization. The nucleotide sequence of the genomic clone revealed three exons that enc...

journal_title：Archives of insect biochemistry and physiology

authors： Komonyi O,Mink M,Csiha J,Maróy P

更新日期：1998-01-01 00:00:00

abstract：:Lipid transfer particle (LTP) is present in hemolymph of the tobacco hornworm Manduca sexta. Biosynthesis of LTP, occurrence in hemolymph, and the role of LTP-apoproteins in the lipid transfer reaction were investigated using antibodies specific for LTP or for each of the apoproteins. In vitro protein synthesis follow...

journal_title：Archives of insect biochemistry and physiology

authors： Van Heusden MC,Yepiz-Plascencia GM,Walker AM,Law JH

更新日期：1996-01-01 00:00:00

abstract：:Protein digestion in insects is a result of the action of a complex of proteinases present in the midgut. In this report we describe the cloning and sequencing of a trypsin cDNA from larvae of the lepidopteran herbivore Plutella xylostella. We investigated the expression of this gene and enzymatic activity of its tran...

journal_title：Archives of insect biochemistry and physiology

authors： Shi M,Huang F,Chen YF,Meng XF,Chen XX

更新日期：2009-01-01 00:00:00

abstract：:Storage protein-1 (HcSP-1) is a major storage protein found in the hemolymph and fat body of Hyphantria cunea. HcSP-1 has a high methionine (6.0%) and low aromatic amino acid content (8.5%) (Cheon et al., 1998). In this study, the accumulation and expression of HcSP-1 in ovary was investigated using biochemical and im...

journal_title：Archives of insect biochemistry and physiology

authors： Cheon HM,Kim HJ,Chung DH,Kim MO,Park JS,Yun CY,Seo SJ

更新日期：2001-11-01 00:00:00

abstract：:Capsule formation by the moth Pseudopulsia includens requires that plasmatocytes change from being nonadhesive cells in circulation to strongly adhesive cells capable of attaching to the foreign target and one another. This change in adhesive state is induced by Plasmatocyte Spreading Peptide (PSP1); a 23 amino acid p...

journal_title：Archives of insect biochemistry and physiology

authors： Strand MR,Clark KC,Gardiner EM

更新日期：1999-01-01 00:00:00

abstract：:We exposed midgut cells from primary cultures of Heliothis virescens larvae to cell-free previously used medium, the Vaughn X and HyQ SFtrade mark media used for serum-free culture of insect cell lines which do not support H. virescens midgut cells, and to toxin from Bacillus thuringiensis. A statistically significant...

journal_title：Archives of insect biochemistry and physiology

authors： Loeb MJ,Hakim RS,Martin P,Narang N,Goto S,Takeda M

更新日期：2000-09-01 00:00:00

abstract：:THQ (1-aroyl-4-(arylamino)-1,2,3,4-tetrahydroquinoline) compounds were identified by FMC Corporation in cell-based assays that used ecdysone receptors from Drosophila melanogaster, Heliothis virescens, or Plodia interpunctata. THQ compounds showed weak insecticidal activity against H. virescens and, therefore, were no...

journal_title：Archives of insect biochemistry and physiology

authors： Palli SR,Tice CM,Margam VM,Clark AM

更新日期：2005-04-01 00:00:00

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：:Extracellular signal-regulated kinase (ERK), a mitogen-activated protein kinase (MAPK), plays roles in a variety of cellular responses. However, limited information is available on the relationship between ERKs and environmental stresses. In this report, an ERK gene, AccERK2, was cloned and characterized from Apis cer...

journal_title：Archives of insect biochemistry and physiology

authors： Li Y,Zhang L,Kang M,Guo X,Baohua Xu

更新日期：2012-03-01 00:00:00

abstract：:Juvenile hormone (JH) allows larval molting in response to ecdysteroids but prevents the switching of gene expression necessary for metamorphosis. I first review our efforts to isolate the nuclear receptor for JH in the larval epidermis of Manduca sexta using photoaffinity analogs and our recent findings that the mole...

journal_title：Archives of insect biochemistry and physiology

authors： Riddiford LM

更新日期：1996-01-01 00:00:00

abstract：:The first day of adult life is the sensitive stage for shifting migrants into the resident morphs of the oriental armyworm (OAW), Mythimna separata (Walker). The juvenile hormone (JH) titer, expression of the allatotropin (AT) gene, and their relationship were investigated in adult female migrants starved in the sensi...

journal_title：Archives of insect biochemistry and physiology

authors： Zhang L,Luo L,Jiang X

更新日期：2008-06-01 00:00:00

abstract：:A neuronal morphological phenotype can be induced in cultured Spodoptera frugiperda insect cells (Sf21) by supplementing serum-containing media with 20-hydroxyecdysone (20-HE) and/or insulin. In this study, the primary objectives were to determine any role of ion channels in mediating the morphological change in cells...

journal_title：Archives of insect biochemistry and physiology

authors： Jenson LJ,Bloomquist JR

更新日期：2015-11-01 00:00:00

abstract：:A serine protease was isolated from midguts of the bumblebee male Bombus terrestris by a combination of precipitation procedures with column chromatography. The purified enzyme exhibited two bands with molecular masses of 25 and 26 kDa as determined by sodium dodecyl sulfate polyacrylamide gel electrophoresis. These b...

journal_title：Archives of insect biochemistry and physiology

authors： Brabcová J,Kindl J,Valterová I,Pichová I,Zarevúcka M,Brabcová J,Jágr M,Mikšík I

更新日期：2013-03-01 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：:A P-element mobility excision assay was used to determine if non-drosophilid insects could support P gene vector function. Present studies included the testing of Muscids, Sphaerocerids, and Phorids, none of which were able to support P mobility. A new excision indicator plasmid was developed allowing the detection an...

journal_title：Archives of insect biochemistry and physiology

authors： Handler AM,Gomez SP,O'Brochta DA

更新日期：1993-01-01 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：:cDNAs encoding two different epoxide hydrolases (nCfEH1 and nCfEH2) were cloned from a cDNA library prepared from the wandering larval stage of the cat flea, Ctenocephalides felis. Predicted translations of the open reading frames indicated the clones encoded proteins of 464 (CfEH1) and 465 (CfEH2) amino acids. These ...

journal_title：Archives of insect biochemistry and physiology

authors： Keiser KC,Brandt KS,Silver GM,Wisnewski N

更新日期：2002-08-01 00:00:00

abstract：:The glucosidase inhibitor 1,4-dideoxy-1,4-imino-D-arabinitol (DIA) was used to investigate the action of hypertrehalosemic hormone (HTH) on carbohydrate, neutral lipid, and phospholipid metabolism in the hemolymph and fat body of the cockroach, Periplaneta americana. DIA blocked the hypertrehalosemic and hyperglycemic...

journal_title：Archives of insect biochemistry and physiology

authors： Oguri E,Steele JE

更新日期：2006-12-01 00:00:00

abstract：:Two blue-pigment binding proteins, BP1 and BP2, are present in larval and pupal haemolymph of cabbage white butterfly, Pieris rapae, and fluctuate in expression during development. Both BP1 and BP2 are found in pupal haemolymph in varying proportions as well as in adult haemolymph, while only small amounts of BP2 are ...

journal_title：Archives of insect biochemistry and physiology

authors： Choi CW,Nam KP,Seo DH,Choi JW,Lee CS,Kim HR,Yun CY

更新日期：2006-04-01 00:00:00

abstract：:Plants of the Asteraceae and Hypericaceae possess secondary compounds that induce photooxidation in insect herbivores that consume them. One of the well-established modes of action of these substances is peroxidation of membrane lipids. Some herbivores counteract these defences by avoidance of light and tissues rich i...

journal_title：Archives of insect biochemistry and physiology

authors： Aucoin R,Guillet G,Murray C,Philogène BJR,Arnason JT

更新日期：1995-01-01 00:00:00

abstract：:Honey bees Apis mellifera L. are one of the most studied insect species due to their economic importance. The interest in studying honey bees chiefly stems from the recent rapid decrease in their world population, which has become a problem of food security. Nevertheless, there are no systemic studies on the propertie...

journal_title：Archives of insect biochemistry and physiology

authors： Syromyatnikov MY,Gureev AP,Vitkalova IY,Starkov AA,Popov VN

更新日期：2019-09-01 00:00:00

abstract：:In the hawkmoth Manduca sexta high density lipophorin from adult insects (HDLp-A) delivers lipids to developing oocytes. During this lipid delivery HDLp-A is taken up by the oocyte and converted to a very high density lipophorin (VHDLp), which is stored in protein storage granules (yolk bodies). A membrane-free lysate...

journal_title：Archives of insect biochemistry and physiology

authors： Van Antwerpen R,Law JH

更新日期：1992-01-01 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：:Genetic engineering of plants using transgenic technology is targeted to enhance agronomic performance or improved quality traits in a wide variety of plant species, and has become a fundamental tool for basic research in plant biotechnology. Constitutive promoters are presently the primary means used to express trans...

journal_title：Archives of insect biochemistry and physiology

authors： Tavva VS,Palli SR,Dinkins RD,Collins GB

更新日期：2007-07-01 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：:RNA interference (RNAi) has become an integral part of mainstream research due to its versatility and ease of use. However, the potential nontarget effects associated with double-stranded RNAs (dsRNA) are poorly understood. To explore this, we used dsRNAs targeting the inhibitor of apoptosis (iap) gene from nine insec...

journal_title：Archives of insect biochemistry and physiology

authors： Chereddy SCRR,Gurusamy D,Howell JL,Palli SR

更新日期：2020-08-01 00:00:00