{"response":{"status":"ok","message_type":"publication"},"id":1861,"citation":"Gallinger, Gross, 2020, Journal of Chemical Ecology","doi":"10.1007/s10886-020-01148-8","url":"https://api.seqco.de/v1/publications/1861.json","link_ext":"https://doi.org/10.1007/s10886-020-01148-8","title":"Phloem Metabolites of Prunus Sp. Rather than Infection with Candidatus Phytoplasma Prunorum Influence Feeding Behavior of Cacopsylla pruni Nymphs","journal":"Journal of Chemical Ecology","journal_loc":"46 (8)","journal_date":"2020-08-01","pub_type":"journal-article","abstract":"\u003cjats:title\u003eAbstract\u003c/jats:title\u003e\u003cjats:p\u003ePhytoplasmas are specialized small bacteria restricted to the phloem tissue and spread by hemipterans feeding on plant sieve tube elements. As for many other plant pathogens, it is known that phytoplasmas alter the chemistry of their hosts. Most research on phytoplasma-plant interactions focused on the induction of plant volatiles and phytohormones. Little is known about the influence of phytoplasma infections on the nutritional composition of phloem and consequences on vector behavior and development. The plum psyllid\u003cjats:italic\u003eCacopsylla pruni\u003c/jats:italic\u003etransmits ‘\u003cjats:italic\u003eCandidatus\u003c/jats:italic\u003ePhytoplasma prunorum’, the causing agent of European Stone Fruit Yellows (ESFY). While several\u003cjats:italic\u003ePrunus\u003c/jats:italic\u003especies are susceptible for psyllid feeding, they show different responses to the pathogen. We studied the possible modulation of plant-insect interactions by bacteria-induced changes in phloem sap chemistry. Therefore, we sampled phloem sap from phytoplasma-infected and non-infected\u003cjats:italic\u003ePrunus persica\u003c/jats:italic\u003eand\u003cjats:italic\u003ePrunus insititia\u003c/jats:italic\u003eplants, which differ in their susceptibility to ESFY and psyllid feeding. Furthermore, the feeding behavior and development of\u003cjats:italic\u003eC. pruni\u003c/jats:italic\u003enymphs was compared on infected and non-infected\u003cjats:italic\u003eP. persica\u003c/jats:italic\u003eand\u003cjats:italic\u003eP. insititia\u003c/jats:italic\u003eplants. Phytoplasma infection did not affect phloem consumption by\u003cjats:italic\u003eC. pruni\u003c/jats:italic\u003enymphs nor their development time. In contrast, the study revealed significant differences between\u003cjats:italic\u003eP. insititia\u003c/jats:italic\u003eand\u003cjats:italic\u003eP. persica\u003c/jats:italic\u003ein terms of both phloem chemistry and feeding behavior of\u003cjats:italic\u003eC. pruni\u003c/jats:italic\u003enymphs\u003cjats:italic\u003e.\u003c/jats:italic\u003ePhloem feeding phases were four times longer on\u003cjats:italic\u003eP. insititia\u003c/jats:italic\u003ethan on\u003cjats:italic\u003eP. persica\u003c/jats:italic\u003e, resulting in a decreased development time and higher mortality of vector insects on\u003cjats:italic\u003eP. persica\u003c/jats:italic\u003eplants. These findings explain the low infestation rates of peach cultivars with plum psyllids commonly found in field surveys.\u003c/jats:p\u003e","long_citation_html":"Gallinger, Gross (2020). Phloem Metabolites of Prunus Sp. Rather than Infection with Candidatus Phytoplasma Prunorum Influence Feeding Behavior of Cacopsylla pruni Nymphs. \n\u003ci\u003eJournal of Chemical Ecology\u003c/i\u003e. \u003ca href=\"https://doi.org/10.1007/s10886-020-01148-8\" target=\"_blank\"\u003eDOI:10.1007/s10886-020-01148-8\u003c/a\u003e\n","created_at":"2020-01-26T07:30:43.119Z","updated_at":"2025-11-06T13:46:29.413Z","authors":[{"id":7171,"given":"Jannicke","family":"Gallinger","created_at":"2020-01-26T07:30:43.745Z","updated_at":"2020-01-26T07:30:43.745Z","url":"https://api.seqco.de/v1/authors/7171.json"},{"id":7172,"given":"Jürgen","family":"Gross","created_at":"2020-01-26T07:30:43.994Z","updated_at":"2020-01-26T07:30:43.994Z","url":"https://api.seqco.de/v1/authors/7172.json"}],"names":[{"id":39,"name":"Candidatus Phytoplasma","url":"https://api.seqco.de/v1/names/39.json","uri":"https://seqco.de/i:39"},{"id":67,"name":"Candidatus Phytoplasma prunorum","url":"https://api.seqco.de/v1/names/67.json","uri":"https://seqco.de/i:67"}],"subjects":[{"id":35,"name":"Biochemistry","url":"https://api.seqco.de/v1/subjects/35.json"},{"id":2,"name":"Ecology, Evolution, Behavior and Systematics","url":"https://api.seqco.de/v1/subjects/2.json"},{"id":11,"name":"General Medicine","url":"https://api.seqco.de/v1/subjects/11.json"}]}