Publications

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groel from the endosymbiont buchnera aphidicola betrays the aphid by triggering plant defense.aphids are sap-feeding plant pests and harbor the endosymbiont buchnera aphidicola, which is essential for their fecundity and survival. during plant penetration and feeding, aphids secrete saliva that contains proteins predicted to alter plant defenses and metabolism. plants recognize microbe-associated molecular patterns and induce pattern-triggered immunity (pti). no aphid-associated molecular pattern has yet been identified. by mass spectrometry, we identified in saliva from potato aphids (m ...201424927572
the potato aphid salivary effector me47 is a glutathione-s-transferase involved in modifying plant responses to aphid infestation.polyphagous aphid pests cause considerable economic damage to crop plants, primarily through the depletion of photoassimilates and transfer of viruses. the potato aphid (macrosiphum euphorbiae) is a notable pest of solanaceous crops, however, the molecular mechanisms that underpin the ability to colonize these hosts are unknown. it has recently been demonstrated that like other aphid species, m. euphorbiae injects a battery of salivary proteins into host plants during feeding. it is speculated t ...201627536306
impact of chemical, organic and bio-fertilizers application on bell pepper, capsicum annuum l. and biological parameters of myzus persicae (sulzer) (hem.: aphididae).myzus persicae (sulzer) is a polyphagous aphid that causes chlorosis, necrosis, stunting, and reduce growth rate of the host plants. in this research, the effects of zinc sulfate and vermicompost (30%), bacillus subtilis, pseudomonas fluorescens, glomus intraradices, g. intraradices × b. subtilis, and g. intraradices × p. fluorescens compared to control was investigated on the growth characters of capsicum annuum l. and biological parameters of m. persicae. different fertilizers caused a signifi ...201728283949
effects of chemical, organic and bio-fertilizers on some secondary metabolites in the leaves of bell pepper (capsicum annuum) and their impact on life table parameters of myzus persicae (hemiptera: aphididae).the green peach aphid, myzus persicae (sulzer), is a polyphagous and a holocyclic aphid that causes severe damage on hundreds of host plants in both fields and greenhouses. in this research, the effects of zinc sulfate spray and amending the soil with 30% vermicompost, bacillus subtilis, pseudomonas fluorescens, glomus intraradices, g. intraradices × b. subtilis, and g. intraradices × p. fluorescens compared with no fertilizer treatments were investigated on secondary metabolites in the leaves o ...201627106230
rhizobacteria modify plant-aphid interactions: a case of induced systemic susceptibility.beneficial microbes, such as plant growth-promoting rhizobacteria and mycorrhizal fungi, may have a plant-mediated effect on insects aboveground. the plant growth-promoting rhizobacterium pseudomonas fluorescens can induce systemic resistance in arabidopsis thaliana against several microbial pathogens and chewing insects. however, the plant-mediated effect of these beneficial microbes on phloem-feeding insects is not well understood. using arabidopsis as a model, we here report that p. fluoresce ...201222348327
non-pathogenic rhizobacteria interfere with the attraction of parasitoids to aphid-induced plant volatiles via jasmonic acid signalling.beneficial soil-borne microbes, such as mycorrhizal fungi or rhizobacteria, can affect the interactions of plants with aboveground insects at several trophic levels. while the mechanisms of interactions with herbivorous insects, that is, the second trophic level, are starting to be understood, it remains unknown how plants mediate the interactions between soil microbes and carnivorous insects, that is, the third trophic level. using arabidopsis thaliana col-0 and the aphid myzus persicae, we eva ...201322812443
plants under attack: multiple interactions with insects and microbes.to defend themselves, plants activate inducible defense mechanisms that are effective against the invader that is encountered. there is partial overlap in the defense signaling pathways that are induced by insect herbivores and microbial pathogens that may result in cross-resistance. we have previously shown that infestation by tissue-chewing pieris rapae larvae induces resistance in arabidopsis thaliana against subsequent attack by the microbial pathogens pseudomonas syringae pv. tomato (pst), ...200719704549
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