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Journal of Chemical Ecology
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2.45
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7070
Papers 6991
1 page of 700 pages (6,991 results)
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#1Farrukh Baig (QUT: Queensland University of Technology)
#2Kevin FarnierH-Index: 7
Last. J. P. Cunningham (La Trobe University)H-Index: 14
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We explored how gut-associated yeasts influence olfactory behaviour and resource use in two pest species of Carpophilus beetle that co-exist in Australian stone fruits. Molecular analysis of yeasts isolated from the gut of C. davidsoni (prefers ripe fruits) and C. hemipterus (prefers overripe and rotting fruits) revealed that the predominant species were Pichia kluyveri and Hanseniaspora guilliermondii. In olfactory attraction and oviposition trials, adult beetles preferred H. guilliermondii ove...
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#1Lina Cristina Salazar (National University of Colombia)H-Index: 1
#2Adriana Ortiz-Reyes (National University of Colombia)H-Index: 1
Last. Tatiana Lobo-Echeverri (National University of Colombia)H-Index: 5
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Plants of the Piperaceae family are studied for their diverse secondary metabolism with a vast array of compounds that act as chemical defense agents against herbivores. Of all the agricultural pests, the management of insects is a highly significant challenge in the Neotropics, and ants of the Attini tribe pose a major problem. Due to their symbiotic association with the fungus Leucoagaricus gongylophorus (Moller) Singer (Agaricaceae), the species of Atta and Acromyrmex have exhaustive foraging...
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Despite their enormous economic importance and the fact that there are almost 5000 tephritid (Diptera) species, fruit fly – host plant interactions are poorly understood from a chemical perspective. We analyzed the interactions among Anastrepha acris (a little studied monophagous tephritid) and its highly toxic host plant Hippomane mancinella from chemical, ecological and experimental perspectives, and also searched for toxicants from H. mancinella in the larval-pupal endoparasitoid Doryctobraco...
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#1Katrin G. Hewitt (Plant & Food Research)
#2Wade J. Mace (AgResearch)H-Index: 8
Last. Alison J. Popay (AgResearch)H-Index: 17
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The symbiotic Epichloe festucae var. lolii endophyte produces alkaloids which can provide its host grass, perennial ryegrass (Lolium perenne L), with a selective advantage in both natural and agricultural managed ecosystems. This study focuses on understanding the alkaloid concentrations that occur in endophyte-infected perennial ryegrass during the early establishment phase. In a glasshouse experiment fungal alkaloid concentrations (peramine, lolitrem B, ergovaline, and epoxy-janthitrems) were ...
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#1Muhammad Irfan Waris (Gomal University)H-Index: 2
#2Aneela Younas (HAU: Huazhong Agricultural University)H-Index: 4
Last. Man-Qun Wang (HAU: Huazhong Agricultural University)H-Index: 11
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Insects have evolved highly sensitive olfactory sensory systems to detect plant hosts and mates, with plant volatiles playing an important role in informing insect behavior. Chemosensory proteins (CSPs) are thought to play a key role in this process, but in this respect, there is limited information on brown planthopper Nilaparvata lugens, one of the most destructive pests of rice. To expand our understanding of CSP function in N. lugens we explored expression profiles and binding characteristic...
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#1Benjamin Fuchs (UTU: University of Turku)
#2Eric Kuhnert (Leibniz University of Hanover)H-Index: 1
Last. Jochen Krauss (University of Würzburg)H-Index: 32
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Systemic grass-endophytes of the genus Epichloe symbiotically infect the above-ground plant parts of many grass species, where they produce alkaloids in a grass- and endophyte-specific manner that are toxic or deterrent to herbivores. An increasing number of studies show cascading negative effects of endophyte-derived alkaloids that extend to higher trophic levels, harming beneficial insects, including those that control aphid populations. Lacewings are one of the major biological aphid controls...
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#1Asim RenyardH-Index: 1
Last. Gerhard GriesH-Index: 33
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#1Rizan RahmaniH-Index: 1
#2David Carrasco (University of Montpellier)
Last. Erik HedenströmH-Index: 23
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Whittleia retiella (Newman, 1847) is a threatened salt marsh species of the bagworm moth family Psychidae. For its preservation it is necessary to develop efficient tools to survey its distribution ...
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#1Dane Patey (UW: University of Wyoming)
#2Jennifer S. Forbey (BSU: Boise State University)H-Index: 13
Last. Rongsong Liu (UW: University of Wyoming)
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In this paper, compartmental pharmacokinetic models are built to predict the concentration of toxic phytochemical in the gastrointestinal tract and blood following oral intake by an individual vertebrate herbivore. The existing single and multiple dose pharmacokinetic models are extended by inclusion of impulsive differential equations which account for an excretion factor whereby unchanged toxins are excreted in the feces due to gastrointestinal mobility. An index α is defined to measure the fr...
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#1S. Bera (Cornell University)
#2R. Blundell (UC Davis: University of California, Davis)
Last. Clare L. Casteel (Cornell University)H-Index: 17
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Many studies have shown that virus infection alters phytohormone signaling and insect vector contact with hosts. Increased vector contact and movement among plants should increase virus survival and host range. In this study we examine the role of virus-induced changes in phytohormone signaling in plant-aphid interactions, using Pea enation mosaic virus (PEMV), pea aphids (Acyrthosiphon pisum), and pea (Pisum sativum) as a model. We observed that feeding by aphids carrying PEMV increases salicyl...
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