Detoxification of isothiocyanate allelochemicals by glutathione transferase in three lepidopterous species.

abstract：:Age-related changes of antennal-active components of male labial gland extracts were studied in two closely related bumblebee species, Bombus terrestris and B. lucorum. In B. terrestris, compounds eliciting electroantennogram (EAG) responses of virgin queens were ethyl dodecanoate, 2,3-dihydrofarnesal, 2,3-dihydrofarn...

journal_title：Journal of chemical ecology

authors： Zácek P,Kalinová B,Sobotník J,Hovorka O,Ptácek V,Coppée A,Verheggen F,Valterová I

更新日期：2009-06-01 00:00:00

abstract：:A system is described for the collection of volatiles produced by plants and insects that minimizes stresses on the plant or insect in an environment that is free from chemical impurities. Air entering a volatile collection chamber containing insects and/or plants was purified using a nonwoven fabric medium infused wi...

journal_title：Journal of chemical ecology

authors： Heath RR,Manukian A

更新日期：1992-07-01 00:00:00

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 host selection process ofBlepharipa pratensis (Meigen), a tachinid parasite of the gypsy moth,Lymantria dispar L., was investigated. Once in the host's habitat, and following contact with a recently damaged leaf edge (cut, torn, eaten), the fly orients perpendicular to the edge and moves back and forth with the fr...

journal_title：Journal of chemical ecology

authors： Odell TM,Godwin PA

更新日期：1984-02-01 00:00:00

abstract：:The potential for pheromone-based mating disruption of the Brassica pest Contarinia nasturtii was tested, both in small-scale plots with Brussels sprouts and in commercial-scale fields with either broccoli or cauliflower. Experiments in the small-scale plots used laboratory-reared insects released into a previously un...

journal_title：Journal of chemical ecology

authors： Samietz J,Baur R,Hillbur Y

更新日期：2012-09-01 00:00:00

abstract：:We evaluated the effects of tannic acid and purified perrsimmon tannin on survival and reproduction of bean bugs, Riptortus clavatus.Feeding behavior of R. clavatus was also examined on sweet (cv. Fuyu) and astringent (cv. Chongdosi) persimmon fruits. Soluble tannin in sweet persimmon fruits decreased from 3% in early...

journal_title：Journal of chemical ecology

authors： Park CG,Lee KC,Lee DW,Choo HY,Albert PJ

更新日期：2004-11-01 00:00:00

abstract：:The Yunnan pine caterpillar Dendrolimus houi Lajonquière is a serious defoliator of coniferous forests in southwestern China. Gas chromatography-electroantennography (GC-EAG) analyses of extracts of female sex pheromone glands of D. houi moths revealed the presence of three compounds eliciting antennal responses. Thes...

journal_title：Journal of chemical ecology

authors： Kong XB,Zhang Z,Zhao CH,Wang HB

更新日期：2007-07-01 00:00:00

abstract：:The four major components of the setal exudate of nymphs of the andromeda lace bug,Stephanitis takeyai, were identified. They are 7-hydroxy-3-nonylchromanone1, the novel 3,5-dihydroxy-2-dodecanoylcyclohex-2-en-1-one2,2',6'-dihydroxydodecanophenone3, and its 3-hydroxy derivative4. Only three species ofStephanitis commo...

journal_title：Journal of chemical ecology

authors： Oliver JE,Lusby WR,Neal JW Jr

更新日期：1990-07-01 00:00:00

abstract：:Calocedrus formosana Florin (Cupressaceae) is an endemic tree species in Taiwan; its timber is recognized for natural decay resistance. To examine the antitermitic and antifungal activities of leaf essential oil and its main constituents, C. formosana leaves were extracted and the essential oils analyzed by GC-MS. Bio...

journal_title：Journal of chemical ecology

authors： Cheng SS,Wu CL,Chang HT,Kao YT,Chang ST

更新日期：2004-10-01 00:00:00

abstract：:The rice stalk stink bug, Tibraca limbativentris, is an important rice pest in Brazil with a high invasive potential for Mexico and the USA. The sex pheromone of this species was previously identified as a combination of two stereoisomers of 1,10-bisaboladien-3-ol (zingiberenol), but the absolute configurations of the...

journal_title：Journal of chemical ecology

authors： Blassioli-Moraes MC,Khrimian A,Michereff MFF,Magalhães DM,Hickel E,de Freitas TFS,Barrigossi JAF,Laumann RA,Silva AT,Guggilapu SD,Silva CC,Sant'Ana J,Borges M

更新日期：2020-01-01 00:00:00

abstract：:The role of intracellular symbionts contributing to their host has been investigated in the planthoppers,Nilaparvata lugens Stal andLaodelphax striatellus Fallen. We have found that the isolated yeastlike symbionts, identified as a member of the genusCandida, from the host's egg produce ergosterol when cultured. A com...

journal_title：Journal of chemical ecology

authors： Eya BK,Kenny PT,Tamura SY,Ohnishi M,Naya Y,Nakanishi K,Sugiura M

更新日期：1989-01-01 00:00:00

abstract：:Information processing in the olfactory pathway underlying the perception of semiochemicals by insects is discussed. Both the chemical message for mates and the message for food consist of blends of chemicals. Olfactory receptors in an insect species are tuned to the detection of those compounds which comprise such ch...

journal_title：Journal of chemical ecology

authors： Visser JH,de Jong R

更新日期：1988-11-01 00:00:00

abstract：:Two compounds recently isolated from the defensive gland ofNecrodes surinamensis, α-and β-necrodol, first representatives of a new category of monoterpenes (the necrodanes), are shown to be repellent to ants and other insects and irritating to cockroaches and flies. The compounds doubtless play a defensive role inNecr...

journal_title：Journal of chemical ecology

authors： Eisner T,Deyrup M,Jacobs R,Meinwald J

更新日期：1986-06-01 00:00:00

abstract：:The tropical rainforest shrub Piper cenocladum, which is normally defended against herbivores by a mutualistic ant, contains three amides that have various defensive functions. While the ants are effective primarily against specialist herbivores, we hypothesized that these secondary compounds would be effective agains...

journal_title：Journal of chemical ecology

authors： Dyer LA,Dodson CD,Stireman JO 3rd,Tobler MA,Smilanich AM,Fincher RM,Letourneau DK

更新日期：2003-11-01 00:00:00

abstract：:The attractiveness to male navel orangeworm moth, Amyelois transitella, of various combinations of a four-component pheromone blend was measured in wind-tunnel bioassays. Upwind flight along the pheromone plume and landing on the odor source required the simultaneous presence of two components, (11Z,13Z)-hexadecadiena...

journal_title：Journal of chemical ecology

authors： Kanno H,Kuenen LP,Klingler KA,Millar JG,Cardé RT

更新日期：2010-06-01 00:00:00

abstract：:Diseases of marine organisms, and sponges in particular, are increasingly reported worldwide. Prior research indicates that the survival of sponges on reefs is due largely to their production of biologically active secondary metabolites that provide protection from a diversity of stressors. Aplysina Red Band Syndrome ...

journal_title：Journal of chemical ecology

authors： Gochfeld DJ,Kamel HN,Olson JB,Thacker RW

更新日期：2012-05-01 00:00:00

abstract：:The iridoid glucoside, antirrhinoside, is constitutively distributed throughout Antirrhinum majus L. in a manner consistent with its possible role as an allelochemical, but there is no evidence that it has a defensive function with respect to insect herbivory. To address this question, two generalist herbivores, Lyman...

journal_title：Journal of chemical ecology

authors： Beninger CW,Cloutier RR,Grodzinski B

更新日期：2008-05-01 00:00:00

abstract：:Investigation of the lipid extract of the Australian chrysomelid beetle,Monolepta australis, has revealed a novel homologous series of long-chain, unsaturated-saturated dialkyl ethers in the cuticular wax. Gas chromatography-mass spectrometry, proton magnetic resonance, infrared spectroscopy, and chemical degradation ...

journal_title：Journal of chemical ecology

authors： Southwell IA,Stiff IA

更新日期：1989-01-01 00:00:00

abstract：:Biological pesticides based on nucleopolyhedroviruses (NPVs) can provide an effective and environmentally benign alternative to synthetic chemicals. On some crops, however, the efficacy and persistence of NPVs is known to be reduced by plant specific factors. The present study investigated the efficacy of Helicoverpa ...

journal_title：Journal of chemical ecology

authors： Stevenson PC,D'Cunha RF,Grzywacz D

更新日期：2010-02-01 00:00:00

abstract：:Three adult cave-dwelling ground beetle species were induced to discharge secretions of their pygidial glands into vials. Dichloromethane extraction was used to obtain the secretions. In total, 42 compounds were identified by GC/MS analysis. Pheggomisetes ninae contained 32 glandular compounds, Laemostenus (Pristonych...

journal_title：Journal of chemical ecology

authors： Vesović N,Ćurčić S,Vujisić L,Nenadić M,Krstić G,Perić-Mataruga V,Milosavljević S,Antić D,Mandić B,Petković M,Vučković I,Marković Đ,Vrbica M,Ćurčić B,Makarov S

更新日期：2015-06-01 00:00:00

abstract：:Bacillus subtilis strains are known to produce a vast array of antimicrobial compounds. However, some compounds remain to be identified. Disk assays performed in vitro with Bacillus subtilis CU12 showed a significant reduction in mycelial growth of Alternaria solani, Botrytis cinerea, Fusarium sambucinum, and Pythium ...

journal_title：Journal of chemical ecology

authors： Wise C,Novitsky L,Tsopmo A,Avis TJ

更新日期：2012-12-01 00:00:00

abstract：:Trapping experiments were carried out near Winnipeg, Canada, in the spring of 1987 and 1988 to test attraction of crucifer-feeding flea beetles to volatile glucosinolate (GS) hydrolysis products released from glass vials. Nine isothiocyanates (IC) or mustard oils and three nitriles (CN) were tested. The pattern of att...

journal_title：Journal of chemical ecology

authors： Pivnick KA,Lamb RJ,Reed D

更新日期：1992-06-01 00:00:00

abstract：:Interdigital secretions were collected from eight male white-tailed deer of various ages. Analysis of volatiles was performed by gas chromatography-mass spectrometry with a modified headspace technique. Forty-six volatile compounds were found including alkanes, arenes, aldehydes, ketones, aliphatic acids, esters, pyrr...

journal_title：Journal of chemical ecology

authors： Gassett JW,Wiesler DP,Baker AG,Osborn DA,Miller KV,Marchinton RL,Novotny M

更新日期：1996-09-01 00:00:00

abstract：:The symbiosis between legumes and nitrogen fixing bacteria called rhizobia leads to the formation of root nodules. Nodules are highly organized root organs that form in response to Nod factors produced by rhizobia, and they provide rhizobia with a specialized niche to optimize nutrient exchange and nitrogen fixation. ...

journal_title：Journal of chemical ecology

authors： Ferguson BJ,Mathesius U

更新日期：2014-07-01 00:00:00

abstract：:DIMBOA (2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one), a secondary metabolite found in cereal extracts, confers resistance in wheat to aphids. Its effect on beneficial organisms was tested on larvae of the aphid predatorEriopis connexa Germar. Larvae were fed until pupation on artificial diets to which different conce...

journal_title：Journal of chemical ecology

authors： Martos A,Givovich A,Niemeyer HM

更新日期：1992-03-01 00:00:00

abstract：:Two major components from pheromone gland extracts of Synanthedon haitangvora females were identified as (Z,Z)-3,13-octadecadienyl acetate (Z3,Z13-18:OAc) and (E,Z)-2,13-octadecadienyl acetate (E2,Z13-18:OAc), and the average ratio of these components was about 1:1. Seven minor components, (Z)-9-hexadecenyl acetate (Z...

journal_title：Journal of chemical ecology

authors： Yang CY,Kim J,Kang TJ,Jeon HY

更新日期：2009-10-01 00:00:00

abstract：:In order to test a previous conclusion that chain-elongated analogs of (Z)-5-decenyl acetate(1), a pheromone component of the turnip moth,Agrotis segetum, adopt a loop conformation of the terminal alkyl chain in the bioactive conformation, a series of alkyl ether and enol ether analogs of1 and (Z)-5-dodecenyl acetate(...

journal_title：Journal of chemical ecology

authors： Gustavsson AL,Liljefors T,Hansson BS

更新日期：1995-06-01 00:00:00

abstract：:Four acetates,Z-5-decenyl acetate,Z-5-,Z-7-, andZ-9-dodecenyl acetates, in microgram ratios of 1∶200∶2∶1 or 1∶200∶6∶2 were excellent, specific sex pheromone blends for capturing male redbacked cutworm moths in cone traps. Blends in ratios of 1∶200∶2∶1 and 2∶200∶2∶1 at 1000 μg/ rubber septum dispenser remained highly e...

journal_title：Journal of chemical ecology

authors： Struble DL

更新日期：1981-05-01 00:00:00

abstract：:Steroidal glycoalkaloids, found in species of the Solanaceae, elicit bursting activity in galeal and tarsal chemosensilla of adult Colorado potato beetles. The effect has an average latency of 6-12 sec, depending on the sensillum/alkaloid combination. A 20-sec alkaloid treatment is often suffficient to render galeal s...

journal_title：Journal of chemical ecology

authors： Mitchell BK,Harrison GD

更新日期：1985-01-01 00:00:00

abstract：:A strain of the fungus Fusarium equiseti isolated from soybean cyst nematode secretes nematode-antagonistic compounds. Bioassay-guided fractionation of an extract of the culture broth was undertaken to identify the compounds. Fractions were assayed for activity against a root-knot nematode (Meloidogyne incognita), a p...

journal_title：Journal of chemical ecology

authors： Nitao JK,Meyer SL,Schmidt WF,Fettinger JC,Chitwood DJ

更新日期：2001-05-01 00:00:00