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Widespread plant specialization in the polyphagous planthopper Hyalesthes obsoletus (Cixiidae), a major vector of stolbur phytoplasma: Evidence of cryptic speciation
dc.creator | Kosovac, Andrea | |
dc.creator | Johannesen, Jes | |
dc.creator | Krstić, Oliver | |
dc.creator | Mitrović, Milana | |
dc.creator | Cvrković, Tatjana | |
dc.creator | Toševski, Ivo | |
dc.creator | Jović, Jelena | |
dc.date.accessioned | 2019-04-04T16:07:01Z | |
dc.date.available | 2019-04-04T16:07:01Z | |
dc.date.issued | 2018 | |
dc.identifier.issn | 1932-6203 | |
dc.identifier.uri | https://plantarum.izbis.bg.ac.rs/handle/123456789/547 | |
dc.description.abstract | The stolbur phytoplasma vector Hyalesthes obsoletus is generally considered as a polyphagous species associated with numerous wild and cultivated plants. However, recent research in southeastern Europe, the distribution centre of H. obsoletus and the area of most stolbur-inflicted crop diseases, points toward specific host-plant associations of the vector, indicating specific vector-based transmission routes. Here, we study the specificity of populations associated with four host-plants using mitochondrial and nuclear genetic markers, and we evaluate the evolution of host-shifts in H. obsoletus. Host-plant use was confirmed for Convolvulus arvensis, Urtica dioica, Vitex agnus-castus and Crepis foetida. Mitochondrial genetic analysis showed sympatric occurrence of three phylogenetic lineages that were ecologically delineated by host-plant preference, but were morphologically inseparable. Nuclear data supported the existence of three genetic groups (Evanno's Delta K(3) = 803.72) with average genetic membership probabilities gt 90%. While populations associated with C. arvensis and U. dioica form a homogenous group, populations affiliated with V. agnus-castus and C. foetida constitute two independent plant-associated lineages. The geographical signal permeating the surveyed populations indicated complex diversification processes associated with host-plant selection and likely derived from post-glacial refugia in the eastern Mediterranean. This study provides evidence for cryptic species diversification within H. obsoletus sensu lato: i) consistent mitochondrial differentiation (1.1-1.5%) among host-associated populations in syntopy and in geographically distant areas, ii) nuclear genetic variance supporting mitochondrial data, and iii) average mitochondrial genetic distances among host-associated meta-populations are comparable to the most closely related, morphologically distinguishable species, i.e., Hyalesthes thracicus (2.1-3.3%). | en |
dc.publisher | Public Library of Science (PLoS) | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43001/RS// | |
dc.relation | Stiftung Rheinland-Pfalz fur Innovation - 15202-386261/861 | |
dc.relation | SCOPES program of the Swiss National Science Foundation - IZ73Z0_152414 | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | PlOS One | |
dc.title | Widespread plant specialization in the polyphagous planthopper Hyalesthes obsoletus (Cixiidae), a major vector of stolbur phytoplasma: Evidence of cryptic speciation | en |
dc.type | article | |
dc.rights.license | BY | |
dc.citation.issue | 5 | |
dc.citation.other | 13(5): - | |
dc.citation.rank | M21 | |
dc.citation.volume | 13 | |
dc.type.version | publishedVersion | |
dc.identifier.doi | 10.1371/journal.pone.0196969 | |
dc.identifier.fulltext | https://plantarum.izbis.bg.ac.rs//bitstream/id/1632/545.pdf | |
dc.identifier.pmid | 29738577 | |
dc.identifier.scopus | 2-s2.0-85046687936 | |
dc.identifier.wos | 000431724900036 |