Starvation influences allatotropin gene expression and juvenile hormone titer in the female adult oriental armyworm, Mythimna separata.

abstract：:The hemolymph of each noctuid species successfully parasitized by Chelonus near curvimaculatus possessed a parasitism-specific protein (PSP) previously identified in host T. ni (Insect Biochem. 19:445;21:845). Expression of PSP occurred in a stage-specific manner in the stadium during which the host undergoes precocio...

journal_title：Archives of insect biochemistry and physiology

authors： Soldevila AI,Jones D

更新日期：1993-01-01 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：: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：:Tetracycline-inducible gene expression (Tet-on) system is a particularly powerful tool for transgenic research and has become one of the first choices for the control of transgene expression in a mammal and a fly. Previously, we have generated the modified reverse tetracycline-controlled transactivators and tetO promo...

journal_title：Archives of insect biochemistry and physiology

authors： Tatsuke T,Lee JM,Kusakabe T,Iiyama K,Sezutsu H,Uchino K

更新日期：2013-04-01 00:00:00

abstract：:V-ATPases are ubiquitous proton pumps found in eukaryotes, and are important in regulating the pH of cell compartments and in creating membrane potentials. The V-ATPase creates a proton gradient that is used as an energy source for the transport of other ions. The 16-kDa proteolipid is the proton-translocating subunit...

journal_title：Archives of insect biochemistry and physiology

authors： Holmes SP,Frazier SK,Pietrantonio PV

更新日期：2000-11-01 00:00:00

abstract：:Immunoreactivity against peptides of the allatostatin family having a typical YXFGL-NH2 C-terminus has been localized in different areas of the central nervous system, stomatogastric nervous system and gut of the cockroach Blattella germanica. In the protocerebrum, the most characteristic immunoreactive perikarya are ...

journal_title：Archives of insect biochemistry and physiology

authors： Maestro JL,Bellés X,Piulachs MD,Thorpe A,Duve H

更新日期：1998-01-01 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：:There is a basal level of enzyme activity for trypsin, aminopeptidase, amylase, and lipase in the gut of unfed larval (L6) Spodoptera frugiperda. Trypsin activity does not decrease with non-feeding, possibly because of the low protein levels in plants along with high amino acid requirements for growth and storage (for...

journal_title：Archives of insect biochemistry and physiology

authors： Lwalaba D,Hoffmann KH,Woodring J

更新日期：2010-01-01 00:00:00

abstract：:Aphid, a short germband insect, displays an embryogenesis different from that of long germband insect species. Furthermore, the development of its parthenogenetic and viviparous embryo is different from that of the embryo resulting from sexual reproduction. To better understand the genetic regulation of this type of e...

journal_title：Archives of insect biochemistry and physiology

authors： Mao J,Liu C,Zeng F

更新日期：2013-12-01 00:00:00

abstract：:Agricultural pest control using genetic-based methods provides a species-specific and environmentally harmless way for population suppression of fruit flies. One way to improve the efficiency of such methods is through self-limiting, female-eliminating approaches that can alter an insect populations' sex ratio toward ...

journal_title：Archives of insect biochemistry and physiology

authors： Tsoumani KT,Meccariello A,Mathiopoulos KD,Papathanos PA

更新日期：2020-03-01 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：: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：: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 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：:In this study, larvae of silkworm Bombyx mori were subjected to low temperature, hypoxia, and viral infection to evaluate stressor-mediated oxidative stress (OS) and the induction of antioxidant enzymes (AOEs). Exposure to cold, hypoxia, and nuclear polyhedral virus for 24 h resulted in a significant increase in hydro...

journal_title：Archives of insect biochemistry and physiology

authors： Micheal AS,Subramanyam MV

更新日期：2013-12-01 00:00:00

abstract：:A gene encoding heat shock transcription factor (HSF) was cloned and sequenced from cultured cells of the cabbage armyworm, Mamestra brassicae. The cDNA potentially encoded a 699-aa protein, with a calculated molecular weight of 77.8 kDa. Deduced amino acid identities to HSFs from Aedes aegypti and Drosophila melanoga...

journal_title：Archives of insect biochemistry and physiology

authors： Sonoda S,Tsumuki H

更新日期：2010-01-01 00:00:00

abstract：:Bt crop pyramids produce two or more Bt proteins active to broaden the spectrum of action and to delay the development of resistance in exposed insect populations. The cross-resistance between Bt toxins is a vital restriction factor for Bt crop pyramids, which may reduce the effect of pyramid strategy. In this review,...

journal_title：Archives of insect biochemistry and physiology

authors： Wei J,Zhang Y,An S

更新日期：2019-11-01 00:00:00

abstract：:Nineteen 5-phenyloxazoles (5POs) were examined for their ability to modulate adenylate cyclase by measuring cAMP produced in head membrane homogenates of fifth instar larvae of the silkworm Bombyx mori. Among the compounds tested, 5-(4-methoxyphenyl)oxazole (9) and the 2,6-dichlorophenyl congener showed the highest ac...

journal_title：Archives of insect biochemistry and physiology

authors： Khan MA,Nakane T,Ohta H,Ozoe Y

更新日期：2003-01-01 00:00:00

abstract：:The isolation and characterization of homogeneous arginine kinase from the cockroach is reported. The purification protocol produces 6.6 mg of pure enzyme from 6.8 g of whole cockroach. The purified enzyme cross-reacts with a heterologous antibody and monoclonal antibody against arginine kinase from the shrimp. Both a...

journal_title：Archives of insect biochemistry and physiology

authors： Brown AE,France RM,Grossman SH

更新日期：2004-06-01 00:00:00

abstract：:Odorant-binding proteins (OBPs) act in insect olfactory processes. OBPs are expressed in the olfactory organs and serve in binding and transport of hydrophobic odorants through the sensillum lymph to olfactory receptor neurons within the antennal sensilla. In this study, three OBP genes were cloned from the antennal t...

journal_title：Archives of insect biochemistry and physiology

authors： Li GW,Zhang Y,Li YP,Wu JX,Xu XL

更新日期：2016-02-01 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：: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：:The polyhydroxy structure of ecdysteroids provides a basis for the formation of various derivatives including the acetonides that have been frequently prepared mainly in preparative work. Acetonides can be formed between vicinal diols in cis position such as positions C-2/C-3 and C-20/C-22 in 20-hydroxyecdysone, for e...

journal_title：Archives of insect biochemistry and physiology

authors： Kayser H,Eilinger P

更新日期：1999-01-01 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：: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：:In S. exigua, ingestion of Cry1Ac reduces larval growth, shortens lifespan, and decreases copulation and oviposition of the adults. Cadherin-like protein SeCad1b in S. exigua has recently been published. Here, we tested whether SeCad1b mediates the negative effects of Cry1Ac. We identified three potential Cry toxin bi...

journal_title：Archives of insect biochemistry and physiology

authors： Chen RR,Ren XL,Han ZJ,Mu LL,Li GQ,Ma Y,Cui JJ

更新日期：2014-05-01 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：: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：: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：:Pyrethroid esterases of Trichoplusia ni, Spodoptera littoralis and Bemisia tabaci hydrolyze the trans-isomers of various pyrethroids more extensively than the cis-isomers. Profenofos fed to T. ni larvae at a level inhibiting the gut pyrethroid esterases by 65% with trans-permethrin and of 95% with cis-cypermethrin inc...

journal_title：Archives of insect biochemistry and physiology

authors： Ishaaya I

更新日期：1993-01-01 00:00:00