abstract：:In the honeybee Apis mellifera, a sting pheromone produced by sting glands plays an important role in coordinating defensive behavior. This pheromone is a blend constituted by several components. Little is known about the neural substrates underlying sting pheromone processing in the bee brain. Here, we investigated t...

journal_title：Journal of insect physiology

authors： Wang S,Sato K,Giurfa M,Zhang S

更新日期：2008-05-01 00:00:00

abstract：:In insects, lipids are stored in the fat body, mainly as triacylglycerol (TAG). In Rhodnius prolixus, a hematophagous hemipteran, lipids are accumulated after blood meal to be used later on. In adult females, at the second day after feeding, the amount of TAG was 57+/-17 microg/fat body, it increased almost five times...

journal_title：Journal of insect physiology

authors： Pontes EG,Leite P,Majerowicz D,Atella GC,Gondim KC

更新日期：2008-05-01 00:00:00

abstract：:The midge, Belgica antarctica Jacobs, is subjected to numerous environmental stressors during its 2-year life cycle on the Antarctic Peninsula, and in response it has evolved a suite of behavioral, physiological, and life-cycle modifications to counter these stressors, but thus far only a limited number of biochemical...

journal_title：Journal of insect physiology

authors： Robert Michaud M,Benoit JB,Lopez-Martinez G,Elnitsky MA,Lee RE Jr,Denlinger DL

更新日期：2008-04-01 00:00:00

abstract：:Body size and shape affect thermoregulatory properties of organisms, and in turn are believed to have shaped macroevolutionary patterns of morphological diversity across many taxa. However, it is less clear whether thermoregulation plays a role in shaping intraspecific morphological diversity such as sexual dimorphism...

journal_title：Journal of insect physiology

authors： Shepherd BL,Prange HD,Moczek AP

更新日期：2008-03-01 00:00:00

abstract：:Tri-trophic impacts on adult predatory carabid beetles, Ctenognathus novaezelandiae, of insect-resistant transgenic tobacco plants expressing a serine protease inhibitor, bovine spleen trypsin inhibitor (BSTI), or a biotin-binding protein, avidin, were investigated. Both proteins could potentially affect this beetle, ...

journal_title：Journal of insect physiology

authors： Burgess EP,Philip BA,Christeller JT,Page NE,Marshall RK,Wohlers MW

更新日期：2008-02-01 00:00:00

abstract：:Attraction of many gravid female herbivore insects to suitable host plants is mediated largely by olfactory cues. Behaviorally, synergism among odor mixtures constituents underlies this attraction in some systems. Yet, the representation of synergistic odor-mixture effects is unknown in the antennal lobe, the first pr...

journal_title：Journal of insect physiology

authors： Piñero JC,Giovanni Galizia C,Dorn S

更新日期：2008-02-01 00:00:00

abstract：:Hemocytes and the (prophenol-) phenoloxidase system constitute the immediate innate immune system in insects. These components of insect immunity are present at any post-embryonic life stage without previous infection. Differences between individuals and species in these immune parameters can reflect differences in in...

journal_title：Journal of insect physiology

authors： Schmid MR,Brockmann A,Pirk CW,Stanley DW,Tautz J

更新日期：2008-02-01 00:00:00

abstract：:To understand the inhibitory effects of high temperature on insect growth at the cellular level, we investigated the influence of high temperature on the proliferation and division of larval hemocytes in the silkworm, Bombyx mori. Although the total number of hemocytes in the larval body increased enormously over time...

journal_title：Journal of insect physiology

authors： Kiuchi T,Aoki F,Nagata M

更新日期：2008-02-01 00:00:00

abstract：:Molecular studies on Drosophila melanogaster do not provide consistent results with regard to the hormonal regulation of a trade-off between life-span and fecundity. To unravel the physiological basis of the cost of reproduction without affecting animal's genotype, a new insect model, Pyrrhocoris apterus, was employed...

journal_title：Journal of insect physiology

authors： Hodkova M

更新日期：2008-02-01 00:00:00

abstract：:Mating and immunity are two major components of fitness and links between them have been demonstrated in a number of recent investigations. In Drosophila melanogaster, a seminal fluid protein, sex-peptide (SP), up-regulates a number of antimicrobial peptide (AMP) genes in females after mating but the resulting effect ...

journal_title：Journal of insect physiology

authors： Wigby S,Domanitskaya EV,Choffat Y,Kubli E,Chapman T

更新日期：2008-02-01 00:00:00

abstract：:The hemocytes phagocytosis in response to microorganisms may play an important role in the cellular immune responses of insects. Here, we have evaluated the effects of the platelet-activating factor (PAF) and eicosanoids in the phagocytosis of hemocyte monolayers of Rhodnius prolixus to the yeast Saccharomyces cerevis...

journal_title：Journal of insect physiology

authors： Figueiredo MB,Garcia ES,Azambuja P

更新日期：2008-02-01 00:00:00

abstract：:Hemocyte migration toward infection and wound sites is an essential component of insect defense reactions, although the biochemical signal mechanisms responsible for mediating migration in insect cells are not well understood. Here we report on the outcomes of experiments designed to test the hypotheses that (1) insec...

journal_title：Journal of insect physiology

authors： Merchant D,Ertl RL,Rennard SI,Stanley DW,Miller JS

更新日期：2008-01-01 00:00:00

abstract：:Octopamine plays a major role in insect motor control and is released from dorsal unpaired median (DUM) neurones, a group of cells located on the dorsal midline of each ganglion. We were interested whether and how these neurones are activated during walking and chose the semi-intact walking preparation of stick insect...

journal_title：Journal of insect physiology

authors： Mentel T,Weiler V,Büschges A,Pflüger HJ

更新日期：2008-01-01 00:00:00

abstract：:For tsetse (Glossina spp.), the vectors of human and animal trypanosomiases, the physiological mechanisms linking variation in population dynamics with changing weather conditions have not been well established. Here, we investigate high- and low-temperature tolerance in terms of activity limits and survival in a natu...

journal_title：Journal of insect physiology

authors： Terblanche JS,Clusella-Trullas S,Deere JA,Chown SL

更新日期：2008-01-01 00:00:00

abstract：:The sand fly Lutzomyia longipalpis is the vector of Leishmania infantum, the etiological agent of American visceral leishmaniasis. Despite its importance, until now the internal anatomy of the immature forms has never been described and little is known about their digestive processes. In nature, sand fly larvae feed o...

journal_title：Journal of insect physiology

authors： Fazito do Vale V,Pereira MH,Gontijo NF

更新日期：2007-11-01 00:00:00

abstract：:The cabbage beetle, Colaphellus bowringi Baly, is a short-day species that has both a facultative summer and winter adult diapause. In this study, we systematically investigated the effects of parental physiological age, mating pattern (including mating frequency and delayed mating), and diapause duration on the diapa...

journal_title：Journal of insect physiology

authors： Yang D,Lai XT,Sun L,Xue FS

更新日期：2007-09-01 00:00:00

abstract：:Molecules in male seminal fluid transferred to female insects during mating can have potent effects on their subsequent sexual and reproductive behaviour. Like many other tephritids, female Queensland fruit flies (Bactrocera tryoni) typically have diminished sexual receptivity after their first mating. Also, copulatio...

journal_title：Journal of insect physiology

authors： Radhakrishnan P,Taylor PW

更新日期：2007-07-01 00:00:00

abstract：:Overwintering freeze-tolerant larvae of Chilo suppressalis can survive at -25 degrees C, but non-diapausing larvae cannot. We reported earlier that to prevent intracellular freezing, which causes death in overwintering larvae of the Saigoku ecotype distributed in southwestern Japan, water leaves and glycerol enters fa...

journal_title：Journal of insect physiology

authors： Izumi Y,Sonoda S,Tsumuki H

更新日期：2007-07-01 00:00:00

abstract：:We investigated if Brindley's and metasternal glands are involved in the sexual behavior of Triatoma infestans. In laboratory assays, we analyzed the effect of selective occlusion of Brindley's and metasternal glands of the female (separately and together) on the behavior of males. Control assays without occlusion of ...

journal_title：Journal of insect physiology

authors： Crespo JG,Manrique G

更新日期：2007-07-01 00:00:00

abstract：:This article has been removed, consistent with Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). The Publisher apologizes for any inconvenience this may cause. ...

journal_title：Journal of insect physiology

authors： Mishra A,Lee HJ

更新日期：2007-06-07 00:00:00

abstract：:Overwintering adults of the spruce bark beetle, Ips typographus (L.) showed an unusually complex sugar/polyol cryoprotectant system. The major components of the multiple system were: glucose (177.6 mmolL(-1), March); trehalose (175.0 mmolL(-1), December); sorbitol (147.9 mmolL(-1), January); mannitol (81.2 mmolL(-1), ...

journal_title：Journal of insect physiology

authors： Kostál V,Zahradnícková H,Simek P,Zelený J

更新日期：2007-06-01 00:00:00

abstract：:In this study, we investigated activation of the extracellular signal-regulated kinase (ERK) by the prothoracicotropic hormone (PTTH) in prothoracic gland cells of the silkworm, Bombyx mori. The results showed that the PTTH stimulated ERK phosphorylation as this depends on time and dose and ecdysteroidogenic activity....

journal_title：Journal of insect physiology

authors： Lin JL,Gu SH

更新日期：2007-06-01 00:00:00

abstract：:Ultrastructural and electrophysiological (single-cell recordings) investigations were carried out on the coeloconic sensilla borne by the apical antenna of the larvae of Libellula depressa (Odonata: Libellulidae). These sensilla appear as pegs located in pits. One of them is a compound sensillum constituted of two fus...

journal_title：Journal of insect physiology

authors： Rebora M,Piersanti S,Almaas TJ,Gaino E

更新日期：2007-06-01 00:00:00

abstract：:By single sensillum tip recording technique, in addition to the salt and pH cells found in antennal taste sensilla of some ground beetles earlier, the third chemosensory cell of four innervating these large sensilla was electrophysiologically identified as a sugar cell in the ground beetle Pterostichus aethiops. This ...

journal_title：Journal of insect physiology

authors： Merivee E,Must A,Milius M,Luik A

更新日期：2007-04-01 00:00:00

abstract：:For a long time, respiratory proteins have been considered unnecessary in most insects because the tracheal system was thought to be sufficient for oxygen supply. Only a few species that survive under hypoxic conditions were known exceptions. However, recently it has become evident that (1) intracellular hemoglobins b...

journal_title：Journal of insect physiology

authors： Burmester T,Hankeln T

更新日期：2007-04-01 00:00:00

abstract：:In insects, especially in mosquitoes that are adult blood feeders, midgut remodeling is an important event during metamorphosis. It involves two processes viz., programmed cell death (PCD) of larval cells, and proliferation and differentiation of imaginal cells to form pupal/adult midgut. These processes are regulated...

journal_title：Journal of insect physiology

authors： Parthasarathy R,Palli SR

更新日期：2007-03-01 00:00:00

abstract：:Ecdysteroids and juvenile hormones (JHs) regulate many physiological events throughout the insect life cycle, including molting, metamorphosis, ecdysis, diapause, reproduction, and behavior. Fluctuation of whitefly ecdysteroid levels and the identity of the whitefly molting hormone (20-hydroxyecdysone) have only been ...

journal_title：Journal of insect physiology

authors： Gelman DB,Pszczolkowski MA,Blackburn MB,Ramaswamy SB

更新日期：2007-03-01 00:00:00

abstract：:In this study we probe the molecular events underpinning diapause observed in overwintering females of Culex pipiens. Using suppressive subtractive hybridization (SSH) we have identified 40 genes that are either upregulated or downregulated during this seasonal period of dormancy. Northern blot hybridizations have con...

journal_title：Journal of insect physiology

authors： Robich RM,Rinehart JP,Kitchen LJ,Denlinger DL

更新日期：2007-03-01 00:00:00

abstract：:Enzyme-induced hemolysis has been shown to occur in the midgut of ticks; however, little is known about the molecular basis for hemolytic activity. We report here the molecular and reverse genetic characterization of a hemolytic midgut serine proteinase, HlSP, recently identified from the ixodid tick Haemaphysalis lon...

journal_title：Journal of insect physiology

authors： Miyoshi T,Tsuji N,Islam MK,Huang X,Motobu M,Alim MA,Fujisaki K

更新日期：2007-02-01 00:00:00

abstract：:During holometabolous insect development the critical weight marks a physiological transition after which juvenile hormone (JH) concentration decreases to such a level that a subsequent increase in ecdysone titer will initiate metamorphosis. Starvation experiments indicate that the Aedes aegypti critical weight is ach...

journal_title：Journal of insect physiology

authors： Nishiura JT,Burgos C,Aya S,Goryacheva Y,Lo W

更新日期：2007-01-01 00:00:00

abstract：:We report on the transcriptional patterns of three antibacterial genes, a defensin (MdesDEF-1), a diptericin (MdesDIP-1) and a lysozyme (MdesLYS-1), during development in Hessian fly, Mayetiola destructor. Quantitative analysis by real-time PCR of mRNA levels in different tissues revealed a predominance of the transcr...

journal_title：Journal of insect physiology

authors： Mittapalli O,Shukle RH,Sardesai N,Giovanini MP,Williams CE

更新日期：2006-11-01 00:00:00

abstract：:The mechanism controlling the body color of hatchlings was studied for the desert locust, Schistocerca gregaria. A pheromonal factor secreted by gregarious female adults into the foam plugs of egg pods has been suggested to cause darkening in their progeny. We re-examined the role of this maternal factor by washing or...

journal_title：Journal of insect physiology

authors： Tanaka S,Maeno K

更新日期：2006-10-01 00:00:00

abstract：:A new cue for visual discrimination by the honeybee has been demonstrated. Bees detected the position of the centre of symmetry of radial patterns of spokes, sectors, and circles relative to their point of choice in the learning process, irrespective of the pattern. When trained with one of these patterns versus a bla...

journal_title：Journal of insect physiology

authors： Horridge A

更新日期：2006-09-01 00:00:00

abstract：:Larvae of endoparasitoids undergo extensive morphological changes and often have special features to allow their development inside the host. We present the first detailed study on the development of the anal vesicle and the gut. The analyses reveal that the anal vesicle is first seen on the dorsal side of the abdomen...

journal_title：Journal of insect physiology

authors： Kaeslin M,Wyler T,Grossniklaus-Bürgin C,Lanzrein B

更新日期：2006-03-01 00:00:00

abstract：:The flightless bug Pyrrhocoris apterus (L.) is polymorphic for both wing length and flight muscle development. The developed flight muscles of macropterous adults of both sexes first enlarge their volume during the first 5 days after adult emergence, but are then histolyzed in all males and females older than 10 and 1...

journal_title：Journal of insect physiology

authors： Socha R,Sula J

更新日期：2006-03-01 00:00:00

abstract：:The environmental physiology of three speciesof Collembola: Cryptopygus cisantarcticus, Isotoma klovstadi (Isotomidae) and Friesea grisea (Neanuridae) was investigated from November 2002 to February 2003 at Cape Hallett, North Victoria Land, Antarctica. All three species were freeze avoiding, and while supercooling po...

journal_title：Journal of insect physiology

authors： Sinclair BJ,Terblanche JS,Scott MB,Blatch GL,Jaco Klok C,Chown SL

更新日期：2006-01-01 00:00:00

abstract：:A unique 33-kDa cysteine protease (Mir1-CP) rapidly accumulates at the feeding site in the whorls of maize (Zea mays L.) lines that are resistant to herbivory by Spodoptera frugiperda and other lepidopteran species. When larvae were reared on resistant plants, larval growth was reduced due to impaired nutrient utiliza...

journal_title：Journal of insect physiology

authors： Mohan S,Ma PW,Pechan T,Bassford ER,Williams WP,Luthe DS

更新日期：2006-01-01 00:00:00

abstract：:The activity and composition of leafhopper saliva are important in interactions with the host rice plant, and it may play a physiological role in detoxifying toxic plant substances or ingesting sap. We have characterized diphenoloxidase in the salivary glands of Nephotettix cincticeps, its activity as a laccase, and i...

journal_title：Journal of insect physiology

authors： Hattori M,Konishi H,Tamura Y,Konno K,Sogawa K

更新日期：2005-12-01 00:00:00

abstract：:We investigated the response of Helicoverpa armigera larvae towards ingestion of Cicer arietinum Kunitz proteinase inhibitor (CaKPI), which caused antagonistic effects on developing H. armigera larvae. CaKPI-degrading proteinases were not detectable in either control or sensitized larvae. There were negligible increas...

journal_title：Journal of insect physiology

authors： Srinivasan A,Chougule NP,Giri AP,Gatehouse JA,Gupta VS

更新日期：2005-11-01 00:00:00

abstract：:Insecticidal properties of protease inhibitors have been established in transgenic plants. In the wake of continuous research and rapid development of protease inhibitors it is important to assess possible effects on beneficial insects like the honey bee (Apis mellifera L.). In this study, newly emerged caged bees wer...

journal_title：Journal of insect physiology

authors： Sagili RR,Pankiw T,Zhu-Salzman K

更新日期：2005-09-01 00:00:00