abstract：:In this review, we describe water balance requirements of blood-feeding arthropods, particularly contrasting dehydration tolerance during the unfed, off-host state and the challenges of excess water that accompany receipt of the bloodmeal. Most basic water balance characteristics during the off-host stage are applicab...

journal_title：Journal of insect physiology

authors： Benoit JB,Denlinger DL

更新日期：2010-10-01 00:00:00

abstract：:In Oncopeltus fasciatus, evidence shown here indicates it is calmodulin (CaM) that activates phospholipase-C (PLC), beginning a signalling pathway necessary for endocytic uptake of yolk precursor molecules. Epithelial cell-produced CaM, transported to oocytes via gap junctions, has been shown to be required for recept...

journal_title：Journal of insect physiology

authors： Brown PT,Herbert P,Woodruff RI

更新日期：2010-09-01 00:00:00

abstract：:Epoxide hydrolases are multifunctional enzymes that are best known in insects for their role in juvenile hormone (JH) degradation. Enzymes involved in JH catabolism can play major roles during metamorphosis and reproduction, such as the JH epoxide hydrolase (JHEH), which degrades JH through hydration of the epoxide mo...

journal_title：Journal of insect physiology

authors： Mackert A,Hartfelder K,Bitondi MM,Simões ZL

更新日期：2010-09-01 00:00:00

abstract：:Although cytolysis of invading organisms is an innate form of immunity used by invertebrates, so far the underlying mechanism remains less explored. The pupal hemolymph of the mosquito Armigeres subalbatus induces an activity that causes hemolysis of human red blood cells (HRBC). This hemolytic activity was inhibited ...

journal_title：Journal of insect physiology

authors： Sasaki T,Hiraoka T,Kobayashi M

更新日期：2010-09-01 00:00:00

abstract：:Elucidating the mechanisms by which honey bees process pollen vs. protein supplements are important in the generation of artificial diets needed to sustain managed honeybees. We measured the effects of diet on protein concentration, hypopharyngeal gland development and virus titers in worker honey bees fed either poll...

journal_title：Journal of insect physiology

authors： DeGrandi-Hoffman G,Chen Y,Huang E,Huang MH

更新日期：2010-09-01 00:00:00

abstract：:The rapid development of analytical methods in the last four decades has led to the discovery of a fascinating diversity of defensive chemicals used by termites. The last exhaustive review on termite defensive chemicals was published by G.D. Prestwich in 1984. In this text, we aim to fill the gap of the past 25 years ...

journal_title：Journal of insect physiology

authors： Sobotník J,Jirosová A,Hanus R

更新日期：2010-09-01 00:00:00

abstract：:Nitric oxide (NO) is known as a gaseous messenger in the nervous system. It plays a role in synaptic plasticity, but also in development and regeneration of nervous systems. We have studied the function of NO and its signaling cascade via cyclic GMP in the locust embryo. Its developing nervous system is well suited fo...

journal_title：Journal of insect physiology

authors： Stern M,Bicker G

更新日期：2010-08-01 00:00:00

abstract：:The effects of acclimation temperature on insect thermal performance curves are generally poorly understood but significant for understanding responses to future climate variation and the evolution of these reaction norms. Here, in Acheta domesticus, we examine the physiological effects of 7-9 days acclimation to temp...

journal_title：Journal of insect physiology

authors： Lachenicht MW,Clusella-Trullas S,Boardman L,Le Roux C,Terblanche JS

更新日期：2010-07-01 00:00:00

abstract：:Female grasshoppers of acoustically communicating species assume series of reproductive states that are associated with particular behaviours. Studies on laboratory populations of Chorthippus biguttulus (L.) revealed that females of this species lack the period of 'passive copulatory readiness', increase their attract...

journal_title：Journal of insect physiology

authors： Wirmer A,Faustmann M,Heinrich R

更新日期：2010-07-01 00:00:00

abstract：:Aedes aegypti utilizes blood for energy production, egg maturation and replenishment of maternal reserves. The principle midgut enzymes responsible for bloodmeal digestion are endoproteolytic serine-type proteases within the S1.A subfamily. While there are hundreds of serine protease-like genes in the A. aegypti genom...

journal_title：Journal of insect physiology

authors： Brackney DE,Isoe J,W C B 4th,Zamora J,Foy BD,Miesfeld RL,Olson KE

更新日期：2010-07-01 00:00:00

abstract：:Females generally avoid selecting sites for oviposition which have a high predation risk to increase offspring survival. Previous studies have focused on costs to ovipositing females. However, although offspring may also incur costs by being oviposited at low predation risk sites, no studies have focused on costs to o...

journal_title：Journal of insect physiology

authors： Hirayama H,Kasuya E

更新日期：2010-06-01 00:00:00

abstract：:Air flow rates may confound the investigation and classification of insect gas exchange patterns. Here we report the effects of flow rates (50, 100, 200, 400 ml min(-1)) on gas exchange patterns in wild-caught Glossina morsitans morsitans from Zambia. At rest, G. m. morsitans generally showed continuous or cyclic gas ...

journal_title：Journal of insect physiology

authors： Terblanche JS,Chown SL

更新日期：2010-05-01 00:00:00

abstract：:Like all terrestrial organisms, insect eggs face a tradeoff between exchanging metabolic gases (O(2) and CO(2)) and conserving water. Here I summarize the physiology underlying this tradeoff and the ecological contexts in which it may be important. The ideas are illustrated primarily by work from my laboratory on eggs...

journal_title：Journal of insect physiology

authors： Woods HA

更新日期：2010-05-01 00:00:00

abstract：:Temperature and mass dependency of insect metabolic rates are well known, while less attention has been given to other factors, such as age. Among insect species that experience seasonal variation in environmental conditions, such as in temperate latitudes, age may also have indirect effects on the metabolic rate. We ...

journal_title：Journal of insect physiology

authors： Piiroinen S,Lindström L,Lyytinen A

更新日期：2010-03-01 00:00:00

abstract：:Asobara japonica (Braconidae) is an endophagous parasitoid developing in Drosophila larvae. The present study shows that A. japonica was never encapsulated in Drosophila melanogaster, and that it caused an overall inhibition of the host encapsulation reaction since injected foreign bodies were never encapsulated in pa...

journal_title：Journal of insect physiology

authors： Mabiala-Moundoungou AD,Doury G,Eslin P,Cherqui A,Prévost G

更新日期：2010-01-01 00:00:00

abstract：:Nutritional constraints of non-prey foods for entomophagous arthropods are seldom investigated, yet are crucial to understanding their nutritional ecology and function within natural and managed environments. We investigated whether pollen from five maize hybrids was of variable quality for the lady beetle, Coleomegil...

journal_title：Journal of insect physiology

authors： Pilorget L,Buckner J,Lundgren JG

更新日期：2010-01-01 00:00:00

abstract：:First generation hybrid males from crosses between the Asian corn borer (ACB), Ostrinia furnacalis, and the "univoltine Z-strain" European corn borer (ECB), Ostrinia nubilalis, were examined with respect to behavioral and physiological responses to ACB and ECB pheromones. The hybrid males often flew to the pheromone o...

journal_title：Journal of insect physiology

authors： Domingue MJ,Musto CJ,Linn CE Jr,Roelofs WL,Baker TC

更新日期：2010-01-01 00:00:00

abstract：:Studies of the genetic mechanisms underlying metabolic storage have focused on a few model organisms. Although very fruitful, these studies have not allowed for the examination of mechanisms across a phylogenetic spectrum. The exploration of natural patterns of metabolic pool size variation across species will help us...

journal_title：Journal of insect physiology

authors： Matzkin LM,Mutsaka K,Johnson S,Markow TA

更新日期：2009-12-01 00:00:00

abstract：:The effect of ozone on the respiration of three species of adult stored-product Coleoptera was tested in an air-tight flask. Sitophilus oryzae (L.), Rhyzopertha dominica (F.) and Tribolium castaneum (Herbst) adults were exposed to atmosphere containing 0.1, 0.2 or 0.4microg/ml initial ozone at 23-25 degrees C and 50% ...

journal_title：Journal of insect physiology

authors： Lu B,Ren Y,Du YZ,Fu Y,Gu J

更新日期：2009-10-01 00:00:00

abstract：:Irradiation has been widely used in suppression or eradication programs that use the sterile insect technique (SIT) or in studying sperm competition. Although it is well known that irradiation has negative impacts on reproductive (sperm) cells, previous studies have assumed that sperm from irradiated males behave iden...

journal_title：Journal of insect physiology

authors： Kumano N,Haraguchi D,Kohama T

更新日期：2009-09-01 00:00:00

abstract：:Studies of adaptation to stressful environments have frequently encountered cross resistance. This has prompted the hypothesis that certain adaptations confer resistance to multiple stressors. Some of the genes and mechanisms conferring stress resistance have been identified, however, the generality and basis of stres...

journal_title：Journal of insect physiology

authors： Sørensen JG,Vermeulen CJ,Flik G,Loeschcke V

更新日期：2009-08-01 00:00:00

abstract：:Females of Blattella germanica feed compulsively on a nuptial secretion from the male's eighth tergal gland (TG-8) during courtship. Using TG-8 extract and its essential ingredients, maltotriose (MT) and 1,2-dioleoylphosphatidylcholine (PC), we investigated the perception of the secretion by gustatory sensilla in both...

journal_title：Journal of insect physiology

authors： Wada-Katsumata A,Ozaki M,Yokohari F,Nishikawa M,Nishida R

更新日期：2009-08-01 00:00:00

abstract：:The two-spotted spider mite, Tetranychus urticae was exposed to UV-C (250 nm), UV-B (300 nm), and UV-A (350 nm). In non-diapausing females, the median effective doses for 50% mortality plus escape incidence (ED(50)) were 21 (UV-C) and 104 kJm(-2) (UV-B); those for 50% oviposition rate in continuous darkness-treated mi...

journal_title：Journal of insect physiology

authors： Suzuki T,Watanabe M,Takeda M

更新日期：2009-07-01 00:00:00

abstract：:Modulation of liquid feeding-rate would allow insects to ingest more food in the same time when this was required. Ants can vary nectar intake rate by increasing sucking pump frequency according to colony requirements. We analysed electrical signals generated by sucking pump activity of ants during drinking solutions ...

journal_title：Journal of insect physiology

authors： Falibene A,Gontijo Ade F,Josens R

更新日期：2009-06-01 00:00:00

abstract：:Glycogen synthase kinase-3 (GSK-3) is a multifunctional protein kinase that plays important roles in regulating both glycogen synthesis and protein synthesis. In the present study, we investigated GSK-3beta phosphorylation of silkworm eggs by immunoblotting with a conserved phospho-specific antibody to GSK-3beta. Resu...

journal_title：Journal of insect physiology

authors： Lin JL,Lin PL,Gu SH

更新日期：2009-06-01 00:00:00

abstract：:Antisera against the pigment-dispersing factor (PDF) and corazonin (Crz) reacted with distinct sets of neurons in the cephalic ganglia of termites. The locations of immunoreactive cells were similar but their numbers differed among the eight species examined: PDF-ir occurred in 0-6 cells in each optic lobe and 1-2 pai...

journal_title：Journal of insect physiology

authors： Závodská R,Wen CJ,Sehnal F,Hrdý I,Lee HJ,Sauman I

更新日期：2009-05-01 00:00:00

abstract：:Large bumblebee (Bombus terrestris) workers typically visit flowers to collect pollen and nectar during the day and rest in the nest at night. Small workers are less likely to forage, but instead stay in the nest and tend brood around the clock. Because Pigment Dispersing Factor (PDF) has been identified as a neuromod...

journal_title：Journal of insect physiology

authors： Weiss R,Dov A,Fahrbach SE,Bloch G

更新日期：2009-05-01 00:00:00

abstract：:The clock protein PERIOD (PER) displays circadian cycles of accumulation, phosphorylation, nuclear translocation and degradation in Drosophila melanogaster clock cells. One exception to this pattern is in follicular cells enclosing previtellogenic ovarian egg chambers. In these cells, PER remains high and cytoplasmic ...

journal_title：Journal of insect physiology

authors： Kotwica J,Larson MK,Bebas P,Giebultowicz JM

更新日期：2009-05-01 00:00:00

abstract：:We analyzed brush border membrane vesicle proteins from isolated midguts of the mosquito Aedes aegypti, by two proteomic methods: two-dimensional gel electrophoresis (isoelectric focusing and SDS-PAGE) and a shotgun two-dimensional liquid chromatographic (LS/LS) approach based on multidimensional protein identificatio...

journal_title：Journal of insect physiology

authors： Popova-Butler A,Dean DH

更新日期：2009-03-01 00:00:00

abstract：:Humidity has a large impact on the distribution and abundance of terrestrial invertebrates, but the molecular mechanisms governing drought resistance are not fully understood. Some attention has been given to the role of the heat shock response as a component of desiccation tolerance, but recent focus has been on the ...

journal_title：Journal of insect physiology

authors： Bahrndorff S,Tunnacliffe A,Wise MJ,McGee B,Holmstrup M,Loeschcke V

更新日期：2009-03-01 00:00:00

abstract：:The juvenile hormone (JH) analog methoprene reduces the amount of time it takes laboratory-reared Anastrepha suspensa (Caribbean fruit fly) males to reach sexual maturity by almost half. Here, we examined if methoprene exerted a similar effect on four other tropical Anastrepha species (Anastrepha ludens, Anastrepha ob...

journal_title：Journal of insect physiology

authors： Aluja M,Ordano M,Teal PE,Sivinski J,García-Medel D,Anzures-Dadda A

更新日期：2009-03-01 00:00:00

abstract：:Based on the finding that Galanthus nivalis agglutinin (GNA) has direct negative effects on larvae of Chrysoperla carnea, laboratory experiments were conducted to investigate its toxicity to the adults. While the ingestion of GNA dissolved in an artificial diet did not affect adult longevity, there were concentration-...

journal_title：Journal of insect physiology

authors： Li Y,Romeis J

更新日期：2009-02-01 00:00:00

abstract：:Butterfly wing color-patterns are a phenotypically coordinated array of scales whose color is determined as cellular interpretation outputs for morphogenic signals. Here we investigated distribution patterns of scale shape and size in relation to position and coloration on the hindwings of a nymphalid butterfly Junoni...

journal_title：Journal of insect physiology

authors： Kusaba K,Otaki JM

更新日期：2009-02-01 00:00:00

abstract：:Tetranychus urticae (Acari: Tetranychidae) possesses a sac-like ovary with characteristic oocytes that protrude from the ovarian surface. In nondiapause females, transparent oocytes became opaque with yolk deposition between days 0 and 1 in the adult stage at 20 degrees C. In diapause females, however, ovarian develop...

journal_title：Journal of insect physiology

authors： Kawakami Y,Goto SG,Ito K,Numata H

更新日期：2009-01-01 00:00:00

abstract：:The ability of organisms to adapt to fluctuating food conditions is essential for their survival and reproduction. Accumulating energy reserves, such as lipids, in anticipation of harsh conditions, will reduce negative effects of a low food supply. For Hymenoptera and Diptera, several parasitoid species lack adult lip...

journal_title：Journal of insect physiology

authors： Visser B,Ellers J

更新日期：2008-09-01 00:00:00

abstract：:To examine the function of silkworm Bombyx mori L. athrocytes (nephrocytes), we constructed cDNAs of larval peritracheal athrocytes that were anatomically isolated from surrounding tissues. Larval expression levels of genes encoding hemolymph proteins, such as arylphorin, the 30K proteins, and lysozyme, were lower in ...

journal_title：Journal of insect physiology

authors： Owa C,Aoki F,Nagata M

更新日期：2008-08-01 00:00:00

abstract：:Ultraviolet (UV) radiation produces reactive oxygen species (ROS) in mammals, where melatonin plays the role of a ROS scavenger. The melatonin synthetic enzyme arylalkylamine N-acetyltransferase (NAT) is a significant element in a possible ROS removal system. Changes in NAT activity and melatonin content were determin...

journal_title：Journal of insect physiology

authors： Suzuki T,Takashima T,Izawa N,Watanabe M,Takeda M

更新日期：2008-07-01 00:00:00

abstract：:A mechanistic understanding of the butterfly wing color-pattern determination can be facilitated by experimental pattern changes. Here I review physiologically induced color-pattern changes in nymphalid butterflies and their mechanistic and evolutionary implications. A type of color-pattern change can be elicited by e...

journal_title：Journal of insect physiology

authors： Otaki JM

更新日期：2008-07-01 00:00:00

abstract：:Much work has elucidated the pathways and mechanisms involved in the production of insect immune effector systems. However, the temporal nature of these responses with respect to different immune insults is less well understood. This study investigated the magnitude and temporal variation in phenoloxidase and antimicr...

journal_title：Journal of insect physiology

authors： Haine ER,Pollitt LC,Moret Y,Siva-Jothy MT,Rolff J

更新日期：2008-06-01 00:00:00

abstract：:Dippu-allatostatins (ASTs) have pleiotropic effects in Locusta migratoria. Dippu-ASTs act as releasing factors for adipokinetic hormone I (AKH I) from the corpus cardiacum (CC) and also alter juvenile hormone (JH) biosynthesis and release from the corpus allatum (CA). Dippu-AST-like immunoreactivity is found within la...

journal_title：Journal of insect physiology

authors： Clark L,Lange AB,Zhang JR,Tobe SS

更新日期：2008-06-01 00:00:00