Natural Infection of Southern Highbush Blueberry (Vaccinium corymbosum Interspecific Hybrids) by Xylella fastidiosa subsp. fastidiosa.
Identifieur interne : 000039 ( Main/Exploration ); précédent : 000038; suivant : 000040Natural Infection of Southern Highbush Blueberry (Vaccinium corymbosum Interspecific Hybrids) by Xylella fastidiosa subsp. fastidiosa.
Auteurs : Dario Di Genova [États-Unis, Italie] ; Kippy J. Lewis [États-Unis] ; Jonathan E. Oliver [États-Unis]Source :
- Plant disease [ 0191-2917 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Xylella.
- Animaux, Maladies des plantes, Myrtillier, États du Sud-Est des États-Unis.
English descriptors
- KwdEn :
- MESH :
- geographic : Southeastern United States.
- genetics : Xylella.
- Animals, Blueberry Plants, Infections, Plant Diseases.
Abstract
Xylella fastidiosa (Xf) is an emerging insect-vectored, xylem-limited bacterium that can cause disease on several economically important fruit and tree crops including almond, blueberry, citrus, grapevine, peach, and pecan. On blueberry, Xf causes bacterial leaf scorch (BLS), which is prevalent in the southeastern United States. This disease, previously reported to be caused by Xf subsp. multiplex (Xfm), can result in rapid plant decline and death of southern highbush (SHB) blueberry cultivars. In 2017, a survey of blueberry plantings in southern Georgia (U.S.A.) confirmed the presence of Xf-infected plants in eight of nine sites examined, and seven isolates were cultured from infected plants. Genetic characterization of these isolates through single-locus and multilocus sequence analysis revealed that three isolates from two sites belonged to Xf subsp. fastidiosa (Xff), with significant similarity to isolates from grapevine. After these three isolates were artificially inoculated onto greenhouse-grown SHB blueberries (cv. 'Rebel'), symptoms typical of BLS developed, and Xff infection was confirmed through genetic characterization and reisolation of the bacterium to fulfill Koch's postulates. Because all previously reported Xf isolates from blueberry have been characterized as Xfm, this is the first time that isolation of Xff has been reported from naturally infected blueberry plantings. The potential impact of Xff isolates on disease management in blueberry requires further exploration. Furthermore, given that isolates from both Xfm and Xff were obtained within a single naturally infected blueberry planting, blueberry in southern Georgia may provide opportunities for intersubspecific recombination between Xff and Xfm isolates.
DOI: 10.1094/PDIS-11-19-2477-RE
PubMed: 32795247
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Natural Infection of Southern Highbush Blueberry (<i>Vaccinium corymbosum</i> Interspecific Hybrids) by <i>Xylella fastidiosa</i> subsp. <i>fastidiosa</i>.</title><author><name sortKey="Di Genova, Dario" sort="Di Genova, Dario" uniqKey="Di Genova D" first="Dario" last="Di Genova">Dario Di Genova</name><affiliation wicri:level="2"><nlm:affiliation>Department of Crop and Soil Sciences, University of Georgia, Tifton Campus, Tifton, GA 31793, U.S.A.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Crop and Soil Sciences, University of Georgia, Tifton Campus, Tifton, GA 31793</wicri:regionArea><placeName><region type="state">Géorgie (États-Unis)</region></placeName></affiliation><affiliation wicri:level="1"><nlm:affiliation>Department of Agronomy, Food, Natural Resources, Animals and Environment, University of Padova, 35020 Legnaro, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Agronomy, Food, Natural Resources, Animals and Environment, University of Padova, 35020 Legnaro</wicri:regionArea><wicri:noRegion>35020 Legnaro</wicri:noRegion></affiliation></author><author><name sortKey="Lewis, Kippy J" sort="Lewis, Kippy J" uniqKey="Lewis K" first="Kippy J" last="Lewis">Kippy J. 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Lewis</name><affiliation wicri:level="2"><nlm:affiliation>Department of Plant Pathology, University of Georgia, Tifton Campus, Tifton, GA 31793, U.S.A.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant Pathology, University of Georgia, Tifton Campus, Tifton, GA 31793</wicri:regionArea><placeName><region type="state">Géorgie (États-Unis)</region></placeName></affiliation></author><author><name sortKey="Oliver, Jonathan E" sort="Oliver, Jonathan E" uniqKey="Oliver J" first="Jonathan E" last="Oliver">Jonathan E. Oliver</name><affiliation wicri:level="2"><nlm:affiliation>Department of Plant Pathology, University of Georgia, Tifton Campus, Tifton, GA 31793, U.S.A.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant Pathology, University of Georgia, Tifton Campus, Tifton, GA 31793</wicri:regionArea><placeName><region type="state">Géorgie (États-Unis)</region></placeName></affiliation></author></analytic><series><title level="j">Plant disease</title><idno type="ISSN">0191-2917</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term><term>Blueberry Plants (MeSH)</term><term>Infections (MeSH)</term><term>Plant Diseases (MeSH)</term><term>Southeastern United States (MeSH)</term><term>Xylella (genetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term><term>Maladies des plantes (MeSH)</term><term>Myrtillier (MeSH)</term><term>Xylella (génétique)</term><term>États du Sud-Est des États-Unis (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Southeastern United States</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Xylella</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Xylella</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Blueberry Plants</term><term>Infections</term><term>Plant Diseases</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Maladies des plantes</term><term>Myrtillier</term><term>États du Sud-Est des États-Unis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><i>Xylella fastidiosa</i> (<i>Xf</i>) is an emerging insect-vectored, xylem-limited bacterium that can cause disease on several economically important fruit and tree crops including almond, blueberry, citrus, grapevine, peach, and pecan. On blueberry, <i>Xf</i> causes bacterial leaf scorch (BLS), which is prevalent in the southeastern United States. This disease, previously reported to be caused by <i>Xf</i> subsp. <i>multiplex</i> (<i>Xfm</i>), can result in rapid plant decline and death of southern highbush (SHB) blueberry cultivars. In 2017, a survey of blueberry plantings in southern Georgia (U.S.A.) confirmed the presence of <i>Xf</i>-infected plants in eight of nine sites examined, and seven isolates were cultured from infected plants. Genetic characterization of these isolates through single-locus and multilocus sequence analysis revealed that three isolates from two sites belonged to <i>Xf</i> subsp. <i>fastidiosa</i> (<i>Xff</i>), with significant similarity to isolates from grapevine. After these three isolates were artificially inoculated onto greenhouse-grown SHB blueberries (cv. 'Rebel'), symptoms typical of BLS developed, and <i>Xff</i> infection was confirmed through genetic characterization and reisolation of the bacterium to fulfill Koch's postulates. Because all previously reported <i>Xf</i> isolates from blueberry have been characterized as <i>Xfm</i>, this is the first time that isolation of <i>Xff</i> has been reported from naturally infected blueberry plantings. The potential impact of <i>Xff</i> isolates on disease management in blueberry requires further exploration. Furthermore, given that isolates from both <i>Xfm</i> and <i>Xff</i> were obtained within a single naturally infected blueberry planting, blueberry in southern Georgia may provide opportunities for intersubspecific recombination between <i>Xff</i> and <i>Xfm</i> isolates.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32795247</PMID><DateCompleted><Year>2020</Year><Month>09</Month><Day>29</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>29</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>104</Volume><Issue>10</Issue><PubDate><Year>2020</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Natural Infection of Southern Highbush Blueberry (<i>Vaccinium corymbosum</i> Interspecific Hybrids) by <i>Xylella fastidiosa</i> subsp. <i>fastidiosa</i>.</ArticleTitle><Pagination><MedlinePgn>2598-2605</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-11-19-2477-RE</ELocationID><Abstract><AbstractText><i>Xylella fastidiosa</i> (<i>Xf</i>) is an emerging insect-vectored, xylem-limited bacterium that can cause disease on several economically important fruit and tree crops including almond, blueberry, citrus, grapevine, peach, and pecan. On blueberry, <i>Xf</i> causes bacterial leaf scorch (BLS), which is prevalent in the southeastern United States. This disease, previously reported to be caused by <i>Xf</i> subsp. <i>multiplex</i> (<i>Xfm</i>), can result in rapid plant decline and death of southern highbush (SHB) blueberry cultivars. In 2017, a survey of blueberry plantings in southern Georgia (U.S.A.) confirmed the presence of <i>Xf</i>-infected plants in eight of nine sites examined, and seven isolates were cultured from infected plants. Genetic characterization of these isolates through single-locus and multilocus sequence analysis revealed that three isolates from two sites belonged to <i>Xf</i> subsp. <i>fastidiosa</i> (<i>Xff</i>), with significant similarity to isolates from grapevine. After these three isolates were artificially inoculated onto greenhouse-grown SHB blueberries (cv. 'Rebel'), symptoms typical of BLS developed, and <i>Xff</i> infection was confirmed through genetic characterization and reisolation of the bacterium to fulfill Koch's postulates. Because all previously reported <i>Xf</i> isolates from blueberry have been characterized as <i>Xfm</i>, this is the first time that isolation of <i>Xff</i> has been reported from naturally infected blueberry plantings. The potential impact of <i>Xff</i> isolates on disease management in blueberry requires further exploration. Furthermore, given that isolates from both <i>Xfm</i> and <i>Xff</i> were obtained within a single naturally infected blueberry planting, blueberry in southern Georgia may provide opportunities for intersubspecific recombination between <i>Xff</i> and <i>Xfm</i> isolates.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Di Genova</LastName><ForeName>Dario</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Department of Crop and Soil Sciences, University of Georgia, Tifton Campus, Tifton, GA 31793, U.S.A.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Agronomy, Food, Natural Resources, Animals and Environment, University of Padova, 35020 Legnaro, Italy.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lewis</LastName><ForeName>Kippy J</ForeName><Initials>KJ</Initials><AffiliationInfo><Affiliation>Department of Plant Pathology, University of Georgia, Tifton Campus, Tifton, GA 31793, U.S.A.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Oliver</LastName><ForeName>Jonathan E</ForeName><Initials>JE</Initials><Identifier Source="ORCID">http://orcid.org/0000-0003-2692-5055</Identifier><AffiliationInfo><Affiliation>Department of Plant Pathology, University of Georgia, Tifton Campus, Tifton, GA 31793, U.S.A.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>08</Month><Day>14</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Dis</MedlineTA><NlmUniqueID>9882809</NlmUniqueID><ISSNLinking>0191-2917</ISSNLinking></MedlineJournalInfo><SupplMeshList><SupplMeshName Type="Organism" UI="C000638150">Xylella fastidiosa</SupplMeshName></SupplMeshList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D029798" MajorTopicYN="Y">Blueberry Plants</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007239" MajorTopicYN="Y">Infections</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015144" MajorTopicYN="N" Type="Geographic">Southeastern United States</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D044167" MajorTopicYN="N">Xylella</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Koch’s postulates</Keyword><Keyword MajorTopicYN="N">Xylella fastidiosa subsp. fastidiosa</Keyword><Keyword MajorTopicYN="N">Xylella fastidiosa subsp. multiplex</Keyword><Keyword MajorTopicYN="N">bacterial leaf scorch</Keyword><Keyword MajorTopicYN="N">blueberry diseases</Keyword><Keyword MajorTopicYN="N">genetic variability</Keyword><Keyword MajorTopicYN="N">multilocus sequence analysis</Keyword><Keyword MajorTopicYN="N">southern highbush blueberry</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>8</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>9</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>8</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32795247</ArticleId><ArticleId IdType="doi">10.1094/PDIS-11-19-2477-RE</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Italie</li><li>États-Unis</li></country><region><li>Géorgie (États-Unis)</li></region></list><tree><country name="États-Unis"><region name="Géorgie (États-Unis)"><name sortKey="Di Genova, Dario" sort="Di Genova, Dario" uniqKey="Di Genova D" first="Dario" last="Di Genova">Dario Di Genova</name></region><name sortKey="Lewis, Kippy J" sort="Lewis, Kippy J" uniqKey="Lewis K" first="Kippy J" last="Lewis">Kippy J. Lewis</name><name sortKey="Oliver, Jonathan E" sort="Oliver, Jonathan E" uniqKey="Oliver J" first="Jonathan E" last="Oliver">Jonathan E. Oliver</name></country><country name="Italie"><noRegion><name sortKey="Di Genova, Dario" sort="Di Genova, Dario" uniqKey="Di Genova D" first="Dario" last="Di Genova">Dario Di Genova</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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