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3 results for “host plants database”
Update of the Xylella spp. host plant database
<p>Following a request from the European Commission, in 2018 EFSA released a renovated database of host plant species of <em>Xylella</em> spp. (<em>including both species</em> <em>X. fastidiosa </em>and <em>X. taiwanensis</em><em>) together with a scientific report</em> (EFSA, 2018). EFSA was tasked to maintain and update this database periodically. The mandate now covers the period 2021-2026 and EFSA is requested to release an update of the database twice per year.</p> <p>In July 2025 EFSA released the twelfth update of the <em>Xylella</em> spp. host plant database (VERSION 12) with information retrieved from literature search up to December 2024 and recent Europhyt outbreak notifications (EFSA, 2025). The protocol applied for the extensive literature review, data collection and reporting, as well as results and lists of host plants are described in detail in the related scientific report (EFSA, 2025).</p> <p>The overall number of <em>Xylella</em> spp. host plants determined with at least two different detection methods or positive with one method (between: sequencing, pure culture isolation) reaches now 463 plant species, 210 genera and 71 families (category A – see section 2.4.2 of EFSA (2025)). Such numbers rise to 727 plant species, 319 genera and 91 families if considered regardless of the detection method applied (category E, see section 2.4.2 of EFSA (2025)).</p> <p>The Excel files here attached represent the VERSION 12 of the <em>Xylella</em> spp. host plants database. For a detailed description of the information included in the database, please consult the related scientific report (EFSA, 2025).</p> <p>The Excel file “<em>Xylella</em> spp. host plants database – VERSION 12” contains several sheets: the LEGENDA (with extensive description of each table), the full detailed raw data of the <em>Xylella</em> spp. host plant database (sheet “observation”) and several examples of data extraction.</p> <p>Additional Excel files contain the lists of host plant species of <em>X. fastidiosa</em> (subsp. unknown (i.e. not reported), <em>fastidiosa</em>, <em>multiplex</em>, <em>pauca</em>, <em>morus</em>, <em>sandyi</em>, <em>tashke</em>, <em>fastidiosa/sandyi</em>) and <em>X. taiwanensis</em> infected naturally, artificially and in not specified conditions, and according to different categories (A, B, C, D, E – see section 2.4.2 of EFSA (2025)). The Excel file “new_host_plant_species_v12” contain the list of new host plant species added to the database in this new update.</p> <p><strong>Question number: EFSA-Q-2025-00045</strong></p> <p><strong>Output number: EN-9564</strong></p> <p><strong>Contacts: plants@efsa.europa.eu</strong></p> <p><em>Bibliography:</em></p> <p>EFSA (European Food Safety Authority). (2018). Scientific report on the update of the <em>Xylella</em> spp. host plant database. <em>EFSA Journal 2018</em>, <em>16</em>(9), 5408, 87 pp. <a href="https://doi.org/10.2903/j.efsa.2018.5408">https://doi.org/10.2903/j.efsa.2018.5408</a> </p> <p>EFSA (European Food Safety Authority), Cavalieri, V., Fasanelli, E., Furnari, G., Gibin, D., Gutierrez Linares, A., La Notte, P., Pasinato, L., & Stancanelli, G. (2025). Update of the <em>Xylella</em> spp. host plant database – Systematic literature search up to 31 December 2024. <em>EFSA Journal</em>, <em>23</em>(7), e9563. <a href="https://doi.org/10.2903/j.efsa.2025.9563">https://doi.org/10.2903/j.efsa.2025.9563</a></p>
Database of the list for associations between host plants and fruit flies
<p><span><span><span><span><span><span><span><span><span><span><span>Insects tend to feed on related hosts. Coevolution tends to be dominated by interactions resulting from plant chemistry in defense strategies, and evolution of secondary metabolisms being in response to insect herbivory remains a classic explanation of coevolution. The present study examines whether evolutionary constraints existing in host associations of economically important fruit flies in the species-rich tribe Dacini (Diptera: Tephritidae) and to what extent these species have evolved specialized dietary patterns. We found a strong effect of host phylogeny on associations on the 37 fruit flies tested, although the fruit fly species feeding on ripe commercially grown fruits that lost the toxic compounds after long domestication are mostly polyphagous. We assessed the phylogenetic signal of host breadth across the fruit fly species, showing that the results were substantially different depending on partition levels. Further, we mapped main host family associations onto the fruit fly phylogeny and Cucurbitaceae has been inferred as the most likely ancestral host family for Dacini based on ancestral state reconstruction.</span></span></span></span></span></span></span></span></span></span></span></p>
Database of the list for associations between host plants and fruit flies
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