Abstract：
:The enantiomers of analogs of (Z)-5-decenyl acetate, a pheromone component ofAgrotis segetum, substituted by a methyl group in the 2, 3, 4, 7, and 8 positions and dimethyl substituted in the 4,7 positions, have been synthesized and studied by an electrophysiological single-cell technique and by molecular mechanics calculations. The results demonstrate that the electrophysiological activity as well as the ability of the (Z)-5-decenyl acetate receptor to differentiate between enantiomers depends on the position of the methyl substituent. For analogs methyl substituted in the 2, 4, or 8 position, no differences in the activities of the enantiomers could be observed. In contrast, the enantiomers of the 3- and 7-methyl analogs display a significant difference in the activities, theR-enantiomers being more active than theS-enantiomers. From an analysis of the structure-activity results of the enantiomers of the 4,7-dimethyl-substituted analogs, the chiral sense of the alkylchain of the natural pheromone component on binding to its receptor could be deduced.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Jönsson S,Malmström T,Liljefors T,Hansson BSdoi
10.1007/BF00994319subject
Has Abstractpub_date
1993-03-01 00:00:00pages
459-84issue
3eissn
0098-0331issn
1573-1561journal_volume
19pub_type
杂志文章abstract：:Chemically based resistance of plants to herbivorous insects is today essentially synonymous with allelochemically based resistance; the importance of plant secondary compounds in determining patterns of host-plant utilization has been established in a wide variety of insect-plant interactions. In contrast, primary me...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF02033799
更新日期：1995-07-01 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...
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abstract：:Oxytropis lambertii has been considered to be one of the major locoweeds responsible for livestock poisoning on rangelands, but there has been much confusion as to its taxonomic identity. The objective of this study was to conduct a field survey of several populations of each of the three varieties [var. lambertii Pur...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1023/a:1015228507950
更新日期：2002-04-01 00:00:00
abstract：:Mammalian scent marking is often associated with territorial defense. However, males and females may demonstrate different activity patterns and play different roles. Female mammals nurture the young during lactation, while males purportedly perform other tasks more frequently, such as territorial maintenance and defe...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-006-9087-y
更新日期：2006-06-01 00:00:00
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journal_title：Journal of chemical ecology
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更新日期：2001-05-01 00:00:00
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journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00994595
更新日期：1991-12-01 00:00:00
abstract：:Phenolic compounds have been identified as the most common allelochemicals produced by higher plants. Inhibitions of cinnamic acid, its related phenolic derivatives, and abscisic acid (ABA) on seedling growth and seed germination of lettuce were studied.trans-Cinnamic acid, ando-,m-, andp-coumaric acids inhibited the ...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00982307
更新日期：1993-08-01 00:00:00
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journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF01207442
更新日期：1989-07-01 00:00:00
abstract：:Pheromone communication systems have a reliable signal with a restricted window of amounts and ratios released and perceived. We propose a model based on a Gaussian response profile that allows a quantification of the response peak (location of optimum) and a measure of the peak width (response window). Interpreting t...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1023/a:1010377528683
更新日期：2001-07-01 00:00:00
abstract：:Lodgepole pines, Pinus contorta Douglas ex Louden var. latifolia Engelm. ex S. Watson, are encountering increased abiotic stress and pest activity due to recent increases in temperature and changes in precipitation throughout their range. This tree species counters these threats by producing secondary metabolites, inc...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-011-9958-8
更新日期：2011-06-01 00:00:00
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journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-011-9993-5
更新日期：2011-08-01 00:00:00
abstract：:Several unsaturated aldehydes are produced from polyunsaturated fatty acids via the lipoxygenase pathway when soybean (Glycine max) plants are wounded mechanically or by pathogens. The effects of four of these aldehydes were examined on the growth of isolated fungal cultures ofColletotrichum truncatum, Rhizoctonia sol...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00979668
更新日期：1993-10-01 00:00:00
abstract：:This study was performed on virgin females ofCulicoides nubeculosus to determine sites of production and emission of sex pheromone. The ventral abdominal surface is the site of emission of the pheromone. Morphologically there is evidence of the presence of abdominal atrichial areas. The abdominal areas, eight per segm...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00988120
更新日期：1984-09-01 00:00:00
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journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00987797
更新日期：1982-02-01 00:00:00
abstract：:Leaf volatiles convey information about a plant to other organisms in their proximity. Despite increasing interest in understanding the relevance of volatile emissions for particular ecological interactions, there has been relatively little effort to assess generally what information volatile profiles transmit. We sur...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-012-0224-5
更新日期：2013-01-01 00:00:00
abstract：:The olfactory system of living organisms can accurately discriminate numerous odors by recognizing the pattern of activation of several odorant receptors (ORs). Thus, development of an odorant sensor array based on multiple ORs presents the possibility of mimicking biological odor discrimination mechanisms. Recently, ...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-016-0726-7
更新日期：2016-07-01 00:00:00
abstract：:With the aim of establishing whether the oxidation of the tricyclic carbon skeleton of scalaradial (1) is specific to Glossodoris mollusks, the chemical investigation of specimens of Glossodoris pallida from two distinct geographical areas (China and Guam) and of Glossodoris vespa and Glossodoris averni from Eastern A...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-007-9387-x
更新日期：2007-12-01 00:00:00
abstract：:The principal volatile component (99 + %) of the sex pheromone glands ofLutzomyia longipalpis from Lapinha, Brazil, has been isolated and characterized as a novel homosesquiterpene with the specific structure proposed as 9-methylgermacrene-B, (E,E)-8-(1-methylethylidenyl)-1,5,10-trimethyl-1,5-cyclodecadiene. ...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF02027726
更新日期：1996-08-01 00:00:00
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journal_title：Journal of chemical ecology
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更新日期：2008-11-01 00:00:00
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journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF02228314
更新日期：1995-08-01 00:00:00
abstract：:The leading hypothesis for the evolution of the metal hyperaccumulation trait in plants is as a defense against herbivores. A central piece of evidence expected for this hypothesis is that plants benefit from herbivores being deterred from eating high metal tissues. While many studies have investigated whether or not ...
journal_title：Journal of chemical ecology
pub_type： 杂志文章,meta分析
doi：10.1007/s10886-009-9607-7
更新日期：2009-03-01 00:00:00
abstract：:Four litters of king snakes (Lampropeltis getulus), a snake-eating species, were tested for responses to chemicals from colubrid and crotaline snakes. King snakes presented with swabs rubbed against the dorsal skin of living snakes and with swabs treated with methylene chloride extracts of shed snake skins tongue-flic...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00990320
更新日期：1984-10-01 00:00:00
abstract：:Understanding the coevolution of pathogens and their associated mycoflora depend upon a proper elucidation of the basis of their chemical communication. In the case of pine wilt disease, the mutual interactions between cerambycid beetles, invasive pathogenic nematodes, (Bursaphelenchus xylophilus) and their symbiotic ...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-018-0996-3
更新日期：2018-08-01 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
pub_type： 杂志文章
doi：10.1007/s10886-009-9723-4
更新日期：2009-12-01 00:00:00
abstract：:Female smaller tea tortrix mothsAdoxophyes sp. (Lepidoptera: Tortricidae), which initiated calling at 1, 2, or 3 days old, respectively, were analyzed individually for (Z)-11-tetradecenyl acetate (Z11-14:OAc) and (Z)-9-tetradecenyl acetate (Z9-14: OAc) in the pheromone gland via GLC. Among different age groups, broad ...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00993738
更新日期：1991-09-01 00:00:00
abstract：:A study was undertaken to assess the effect of parthenin--a sesquiterpene lactone from Parthenium hysterophorus--on the germination, growth, and some associated physiological changes in Ageratum conyzoides. The study reveals that germination and growth of A. conyzoides was severely reduced by parthenin in the concentr...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1023/a:1021089013754
更新日期：2002-11-01 00:00:00
abstract：:The cuticular lipid composition of lower and upper leaves of five genotypes of field-grown corn,Zea mays L., was determined by combined gas chromatography-mass spectrometry. Surface lipids of the upper leaves had a higher proportion ofn-alkanes (45-52%) than the lower leaves, while the lower leaves had higher percenta...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/BF00983808
更新日期：1993-09-01 00:00:00
abstract：:Few studies have addressed how chemosensation may be impaired by chemical alterations of the environment and anthropogenic disturbance. Humic acid (HA) is a pervasive, naturally occurring organic derivative found in aquatic and terrestrial environments; human activity, however, can lead to elevated levels of HA. Recen...
journal_title：Journal of chemical ecology
pub_type： 杂志文章
doi：10.1007/s10886-007-9377-z
更新日期：2007-11-01 00:00:00
