Host plant invests in growth rather than chemical defense when attacked by a specialist herbivore.

abstract：:Analysis ofChelone glabra (Scrophulariaceae) by gas chromatography showed that leaves of this plant contained primarily the iridoid glycoside catalpol, and in a few individuals some aucubin was also detected. There was no difference in the iridoid glycoside content of damaged compared to undamaged plants, nor was ther...

journal_title：Journal of chemical ecology

authors： Bowers MD,Boockvar K,Collinge SK

更新日期：1993-04-01 00:00:00

abstract：:The relationship among physiological stress responses, fecal marking behavior, and reproduction in male and female European pine martens was investigated. Between July 2004 and June 2007, 145 fresh fecal samples were collected in a protected area of northwest Spain. Fecal DNA was used for specific identification by us...

journal_title：Journal of chemical ecology

authors： Barja I,Silván G,Martínez-Fernández L,Illera JC

更新日期：2011-03-01 00:00:00

abstract：:The role of extracellular fatty acids in the interference between two algae, Chlorella vulgaris Beijerink and Pseudokirchneriella subcapitata (Korshikov) Hindak, was assessed by the co-cultivation of the two selected strains, as well as by the chemical analysis of exudates from the culture media of single strain cultu...

journal_title：Journal of chemical ecology

authors： DellaGreca M,Zarrelli A,Fergola P,Cerasuolo M,Pollio A,Pinto G

更新日期：2010-03-01 00:00:00

abstract：:FourEscherichia coli strains carrying all the possible combinations of genes controlling sensitivity to near-UV (NUV;nur versusnur (+)) and far-UV (FUV;uvrA6 versusuvrA (+)) were inactivated with broad-spectrum NUV together with specific phototoxins. The inactivation kinetics of the four strains are consistent with th...

journal_title：Journal of chemical ecology

authors： Tuveson RW,Berenbaum MR,Heininger EE

更新日期：1986-04-01 00:00:00

abstract：:The diamondback moth (Plutella xylostella), a crucifer-specialist pest, has been documented to employ glucosinolates as host recognition cues for oviposition. Through the use of mutant Arabidopsis thaliana plants, we investigated the role of specific classes of glucosinolates in the signaling of oviposition by P. xylo...

journal_title：Journal of chemical ecology

authors： Sun JY,Sønderby IE,Halkier BA,Jander G,de Vos M

更新日期：2009-12-01 00:00:00

abstract：:We characterized the variation in cuticular hydrocarbon mixtures between seven colonies of the Formosan subterranean termite,Coptotermes formosanus Shiraki, from the same population. We report differences between castes, between colonies, and within the population over time to assess seasonality. Colonies ofC. formosa...

journal_title：Journal of chemical ecology

authors： Haverty MI,Grace JK,Nelson LJ,Yamamoto RT

更新日期：1996-10-01 00:00:00

abstract：:The structure elucidation of sex pheromones of Lepidoptera by a solid-sample injection technique in conjunction with capillary gas chromatography is described. The applicability of this method in GC and GC-MS modes was demonstrated by reanalyzing the sex attractants of females ofOstrinia nubilalis andBombyx mori. The ...

journal_title：Journal of chemical ecology

authors： Attygalle AB,Herrig M,Vostrowsky O,Bestmann HJ

更新日期：1987-05-01 00:00:00

abstract：:Attempted purification of synthetic racemic grandisal1 by silica gel chromatography resulted in severe decomposition. The nature of this reaction was studied on silica gel and in an ether solution ofp-toluenesulfonic acid. The same products resulted from both reaction systems, although in different ratios. Five racemi...

journal_title：Journal of chemical ecology

authors： Webster FX,Zeng XN,Silverstein RM

更新日期：1987-07-01 00:00:00

abstract：:The sweetpotato weevil, Cylas formicarius (Fabricius) (Coleoptera: Brentidae), is the most serious pest of sweetpotato around the world, damaging sweetpotatoes in the field and in storage, as well as being a quarantine pest. Because the larval period is spent within vines or tubers, and the adults are nocturnal, chemi...

journal_title：Journal of chemical ecology

authors： Reddy GV,Gadi N,Taianao AJ

更新日期：2012-07-01 00:00:00

abstract：:Several plants and invertebrates interact and communicate by means of volatile organic compounds (VOCs). These compounds may play the role of infochemicals, being able to carry complex information to selected species, thus mediating inter- or intra-specific communications. Volatile organic compounds derived from the w...

journal_title：Journal of chemical ecology

authors： Zupo V,Maibam C,Buia MC,Gambi MC,Patti FP,Scipione MB,Lorenti M,Fink P

更新日期：2015-08-01 00:00:00

abstract：:Brook charr (Salvelinus fontinalis) lay their eggs in gravel nests called redds. The nests are not defended for extended periods and the eggs and young may be subject to predation from predators that travel through the substrate into the redd. In this study we tested whether long-term exposure of brook charr eggs to c...

journal_title：Journal of chemical ecology

authors： Mirza RS,Chivers DP,Godin JG

更新日期：2001-09-01 00:00:00

abstract：:Mutualistic associations such as the fungal farms of insects are prone to parasitism and are consequently vulnerable to attack by weeds and pests. Therefore, efficient farm management requires quick detection of weeds for their elimination. Furthermore, if the available weedicides are non-specific, then the ability of...

journal_title：Journal of chemical ecology

authors： Katariya L,Ramesh PB,Gopalappa T,Desireddy S,Bessière JM,Borges RM

更新日期：2017-10-01 00:00:00

abstract：:Stingless bees (Hymenoptera, Apidae: Meliponini) represent a highly diverse group of social bees confined to the world's tropics and subtropics. They show a striking diversity of structural and behavioral adaptations and are important pollinators of tropical plants. Despite their diversity and functional importance, t...

journal_title：Journal of chemical ecology

authors： Leonhardt SD

更新日期：2017-04-01 00:00:00

abstract：:A current model of amino acid chemoreception has generated the idea that pH affects the efficiency of stimulus-receptor binding by altering the charge distribution on stimulus molecules. The model suggests that amino acids are maximally stimulatory near their isoelectric points. We point out that, within a broad range...

journal_title：Journal of chemical ecology

authors： Tierney AJ,Atema T

更新日期：1988-01-01 00:00:00

abstract：:The chemical compositions of anal sac secretions of seven mustelid species were examined by thin-layer chromatography, gas chromatography, and mass spectrometry. The analyses showed great similarities between species belonging to the genusMustela, i.e.,M. erminea,M. nivalis,M. vison, andM. putorius, whereasMaries mart...

journal_title：Journal of chemical ecology

authors： Brinck C,Erlinge S,Sandell M

更新日期：1983-06-01 00:00:00

abstract：:The opilionid,Stygnomma spinifera, secretes from a pair of exocrine glands on the cephalothorax between the first and second pair of legs a major volatile component, 2-methyl-5-ethylphenol, and two minor components, 2,3-dimethylphenol and 2,3-dimethyl-5-ethylphenol. These alkylphenols are constituents of a defensive s...

journal_title：Journal of chemical ecology

authors： Duffield RM,Olubajo O,Wheeler JW,Shear WA

更新日期：1981-03-01 00:00:00

abstract：:Three compounds have been identified as sex pheromone components produced by female fall webworm moths,Hyphantria cunea (Drury). These compounds are: (Z,Z)-9,12-octadecadienal (I), (Z,Z,Z)-9,12,15-octadecatrienal (II), and (Z,Z)-3,6-cis-9,10-epoxyheneicosadiene (III). The ratio of these compounds was approximately 5∶6...

journal_title：Journal of chemical ecology

authors： Hill AS,Kovalev BG,Nikolaeva LN,Roelofs WL

更新日期：1982-02-01 00:00:00

abstract：:The response of theCeutorhynchus assimilis antenna to volatiles in air entrainment-derived extracts of oilseed rape,Brassica napus, was studied using coupled gas chromatography (GC)-electroantennography (EAG) and coupled GC-single cell recording (SCR). By means of these techniques and coupled gas chromatography-mass s...

journal_title：Journal of chemical ecology

authors： Blight MM,Pickett JA,Wadhams LJ,Woodcock CM

更新日期：1995-11-01 00:00:00

abstract：:Males ofCarpophilus antiquus Melsheimer (Coleoptera: Nitidulidae) emit an aggregation pheromone that was found to be a novel hydrocarbon, (3E,5E,7E,9E)-6,8-diethyl-4-methyl-3,5,7,9-dodecatetraene. A synthetic scheme and spectra (mass and proton NMR) are given for the compound. Beetles produced the pheromone when feedi...

journal_title：Journal of chemical ecology

authors： Bartelt RJ,Seaton KL,Dowd PF

更新日期：1993-10-01 00:00:00

abstract：:The effects of differential leaf water, leaf nitrogen and cyclic hydroxamate (DIMBOA) concentrations in corn seedlings were analyzed for a polyphagous insect, the southern armyworm (Spodoptera eridania Cram.). Six different combinations of nutrients and allelochemicals [DIMBOA = 2,4-dihydroxy-7-methoxy(2H)-benzoxazin-...

journal_title：Journal of chemical ecology

authors： Manuwoto S,Scriber JM

更新日期：1985-11-01 00:00:00

abstract：:The effects of coumarin on the length, diameter, and branching density of different root types in maize seedlings (Zea mays L. cv. Cecilia) were investigated. The maize root system represents a useful model for morphological studies, as it consists of radicle, seminal, and nodal roots whose origin and development are ...

journal_title：Journal of chemical ecology

authors： Abenavoli MR,Sorgonà A,Albano S,Cacco G

更新日期：2004-09-01 00:00:00

abstract：:Exposure ofBombyx mori larvae to 2-furaldehyde, a major volatile component of baldcypress heartwood,Taxodium distichum, resulted in in vivo inhibition of enteric microorganisms at concentrations (1-47 ppm) that were released naturally from heartwood. The 7 bacterial and 2 fungal enteric isolates were also inhibited in...

journal_title：Journal of chemical ecology

authors： Jones CG,Aldrich JR,Blum MS

更新日期：1981-01-01 00:00:00

abstract：:Root herbivores can indirectly affect aboveground herbivores by altering the food quality of the plant. However, it is largely unknown whether plant genotypes differ in their response to root herbivores, leading to variable defensive phenotypes. In this study, we investigated whether root-feeding insect larvae (Agriot...

journal_title：Journal of chemical ecology

authors： Wurst S,Van Dam NM,Monroy F,Biere A,Van der Putten WH

更新日期：2008-10-01 00:00:00

abstract：:The honey locust gall midge, Dasineura gleditchiae Osten Sacken 1866 (Diptera: Cecidomyiidae) is the main pest of ornamental varieties of the honey locust tree, Gleditsia triacanthos L., in North America, and is now becoming a pest of concern in Europe. Female midges were observed to emerge in the early morning with t...

journal_title：Journal of chemical ecology

authors： Molnár B,Kárpáti Z,Szocs G,Hall DR

更新日期：2009-06-01 00:00:00

abstract：:The potent phytotoxic trichothecene roridins and baccharinoids occur naturally in the Brazilian plants,Baccharis coridifolia andB. megapotamica. Biosynthesis of roridins inB. coridifolia appears to be linked to pollination, and the phytotoxins then accumulate in the seed. The roles of the phytotoxins in pollination, s...

journal_title：Journal of chemical ecology

authors： Kuti JO,Jarvis BB,Mokhtari-Rejali N,Bean GA

更新日期：1990-12-01 00:00:00

abstract：:Male cabbage looper moths,Trichoplusia ni, from two colonies in which all females express an abnormal sex pheromone production phenotype were evaluated in a laboratory wind tunnel for upwind flight responses to the normal and abnormal sex pheromones. The abnormal sex pheromone blend consisted of 20 times as much (Z)-9...

journal_title：Journal of chemical ecology

authors： Liu YB,Haynes KF

更新日期：1994-02-01 00:00:00

abstract：:The free amino acids have been shown by isolational work and choice bioassays to be more important than all other factors evaluated in defining leaf-feeding resistance of corn (Zea mays L.) to fall armyworm (FAW) [(Spodoptera frugiperda J.E. Smith)] larvae. 6-MBOA (6-methoxybenzoxazolinone) and maysin, toxins present ...

journal_title：Journal of chemical ecology

authors： Hedin PA,Williams WP,Davis FM,Buckley PM

更新日期：1990-06-01 00:00:00

abstract：:Lycopersicon hirsutum, a wild relative of the tomato, is highly resistant to arthropod herbivores. Both botanic forms ofL. hirsutum, L. hirsutum f.glabratum (C.H. Mull.) andL. hirsutum f.typicum (Humb. & Bonpl.), are resistant to two-spotted spider mites,Tetranychus urticae Koch. However, leaves and trichome secretion...

journal_title：Journal of chemical ecology

authors： Snyder JC,Guo Z,Thacker R,Goodman JP,Pyrek JS

更新日期：1993-12-01 00:00:00

abstract：:The identification of pheromones and chemicals that may inhibit or stimulate growth and reproduction necessarily leads to the consideration of biochemical methods to isolate and characterize these molecules. Analysis ofSchistosoma mansoni surface antigens by direct radioiodination, metabolic labeling with tritiated an...

journal_title：Journal of chemical ecology

authors： Hayunga EG,Sumner MP

更新日期：1986-08-01 00:00:00

abstract：:In spite of the importance of chemoreception in social organization and sexual selection of lizards, there is a lack of general knowledge on how the characteristics of chemical signals mediate these behaviors. Moreover, it is unknown which are the mechanisms that might confer honesty to the information provided by che...

journal_title：Journal of chemical ecology

authors： López P,Amo L,Martín J

更新日期：2006-02-01 00:00:00