Phytophthora oleae sp. nov. causing fruit rot of olive in southern Italy
A homothallic Phytophthora species was found to be consistently associated with a rot of mature fruits of two local cultivars of olive (Olea europaea) in Calabria, southern Italy. The phylogenetic analysis of sequences of the ITS1‐5.8S‐ITS2 region and cox1 gene enabled its identification as a new sp...
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| Veröffentlicht in: | Plant pathology 2018-08, Vol.67 (6), p.1362-1373 |
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| creator | Ruano‐Rosa, D. Schena, L. Agosteo, G. E. Magnano di San Lio, G. Cacciola, S. O. |
| description | A homothallic Phytophthora species was found to be consistently associated with a rot of mature fruits of two local cultivars of olive (Olea europaea) in Calabria, southern Italy. The phylogenetic analysis of sequences of the ITS1‐5.8S‐ITS2 region and cox1 gene enabled its identification as a new species of clade 2, with a basal position compared to previously described subclades. The new species is described formally with the epithet Phytophthora oleae, referring to the natural matrix from which it was isolated. A unique combination of molecular and morphological characters clearly separates P. oleae from other already described Phytophthora species. This new species produced semipapillate, occasionally bipapillate, persistent sporangia on simple sympodially branching sporangiophores as well as globose and smooth‐walled oogonia, paragynous antheridia and spherical, plerotic oospores. The pathogenicity of P. oleae was confirmed in inoculation trials on fruits of three olive cultivars, including the two local cultivars from which the pathogen had been isolated. |
| doi_str_mv | 10.1111/ppa.12836 |
| format | Article |
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E. ; Magnano di San Lio, G. ; Cacciola, S. O.</creator><creatorcontrib>Ruano‐Rosa, D. ; Schena, L. ; Agosteo, G. E. ; Magnano di San Lio, G. ; Cacciola, S. O.</creatorcontrib><description>A homothallic Phytophthora species was found to be consistently associated with a rot of mature fruits of two local cultivars of olive (Olea europaea) in Calabria, southern Italy. The phylogenetic analysis of sequences of the ITS1‐5.8S‐ITS2 region and cox1 gene enabled its identification as a new species of clade 2, with a basal position compared to previously described subclades. The new species is described formally with the epithet Phytophthora oleae, referring to the natural matrix from which it was isolated. A unique combination of molecular and morphological characters clearly separates P. oleae from other already described Phytophthora species. This new species produced semipapillate, occasionally bipapillate, persistent sporangia on simple sympodially branching sporangiophores as well as globose and smooth‐walled oogonia, paragynous antheridia and spherical, plerotic oospores. The pathogenicity of P. oleae was confirmed in inoculation trials on fruits of three olive cultivars, including the two local cultivars from which the pathogen had been isolated.</description><identifier>ISSN: 0032-0862</identifier><identifier>EISSN: 1365-3059</identifier><identifier>DOI: 10.1111/ppa.12836</identifier><language>eng</language><publisher>Oxford: Wiley Subscription Services, Inc</publisher><subject>clade 2 ; cox1 ; Cultivars ; Fruit rot ; Fruits ; Gene sequencing ; Inoculation ; ITS rDNA ; Molecular chains ; New species ; Olea europaea ; Oogonia ; oomycetes ; Oospores ; Pathogenicity ; Pathogens ; Phylogeny ; Physical characteristics ; Phytophthora ; Sporangia ; Sporangiophores</subject><ispartof>Plant pathology, 2018-08, Vol.67 (6), p.1362-1373</ispartof><rights>2018 British Society for Plant Pathology</rights><rights>Plant Pathology © 2018 British Society for Plant Pathology</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3326-407d00a7511a15434486237032543295ff7bf008d9b3d12a621c7a5a128e42853</citedby><cites>FETCH-LOGICAL-c3326-407d00a7511a15434486237032543295ff7bf008d9b3d12a621c7a5a128e42853</cites><orcidid>0000-0001-7926-3601 ; 0000-0002-9737-2593</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fppa.12836$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fppa.12836$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,27901,27902,45550,45551,46384,46808</link.rule.ids></links><search><creatorcontrib>Ruano‐Rosa, D.</creatorcontrib><creatorcontrib>Schena, L.</creatorcontrib><creatorcontrib>Agosteo, G. E.</creatorcontrib><creatorcontrib>Magnano di San Lio, G.</creatorcontrib><creatorcontrib>Cacciola, S. O.</creatorcontrib><title>Phytophthora oleae sp. nov. causing fruit rot of olive in southern Italy</title><title>Plant pathology</title><description>A homothallic Phytophthora species was found to be consistently associated with a rot of mature fruits of two local cultivars of olive (Olea europaea) in Calabria, southern Italy. The phylogenetic analysis of sequences of the ITS1‐5.8S‐ITS2 region and cox1 gene enabled its identification as a new species of clade 2, with a basal position compared to previously described subclades. The new species is described formally with the epithet Phytophthora oleae, referring to the natural matrix from which it was isolated. A unique combination of molecular and morphological characters clearly separates P. oleae from other already described Phytophthora species. This new species produced semipapillate, occasionally bipapillate, persistent sporangia on simple sympodially branching sporangiophores as well as globose and smooth‐walled oogonia, paragynous antheridia and spherical, plerotic oospores. The pathogenicity of P. oleae was confirmed in inoculation trials on fruits of three olive cultivars, including the two local cultivars from which the pathogen had been isolated.</description><subject>clade 2</subject><subject>cox1</subject><subject>Cultivars</subject><subject>Fruit rot</subject><subject>Fruits</subject><subject>Gene sequencing</subject><subject>Inoculation</subject><subject>ITS rDNA</subject><subject>Molecular chains</subject><subject>New species</subject><subject>Olea europaea</subject><subject>Oogonia</subject><subject>oomycetes</subject><subject>Oospores</subject><subject>Pathogenicity</subject><subject>Pathogens</subject><subject>Phylogeny</subject><subject>Physical characteristics</subject><subject>Phytophthora</subject><subject>Sporangia</subject><subject>Sporangiophores</subject><issn>0032-0862</issn><issn>1365-3059</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kDFPwzAQhS0EEqUw8A8sMTEkPdtx4oxVBW2lSnSA2XJTm6QKcbCdovx7DGHlltNJ39299xC6J5CSWIu-VymhguUXaEZYzhMGvLxEMwBGExA5vUY33p8ACC9LMUObfT0G29ehtk5h22qlse9T3Nlziis1-KZ7x8YNTcDOBmxNZJqzxk2HvR1CrV2Ht0G14y26Mqr1-u6vz9Hb89PrapPsXtbb1XKXVIzRPMmgOAKoghOiCM9YlkVNrIjq4kBLbkxxMADiWB7YkVCVU1IViqvoSWdUcDZHD9Pd3tnPQfsgT3ZwXXwpKeQZE5QwEanHiaqc9d5pI3vXfCg3SgLyJygZg5K_QUV2MbFfTavH_0G53y-njW-4WWc5</recordid><startdate>201808</startdate><enddate>201808</enddate><creator>Ruano‐Rosa, D.</creator><creator>Schena, L.</creator><creator>Agosteo, G. 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E.</creatorcontrib><creatorcontrib>Magnano di San Lio, G.</creatorcontrib><creatorcontrib>Cacciola, S. O.</creatorcontrib><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Plant pathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ruano‐Rosa, D.</au><au>Schena, L.</au><au>Agosteo, G. E.</au><au>Magnano di San Lio, G.</au><au>Cacciola, S. O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phytophthora oleae sp. nov. causing fruit rot of olive in southern Italy</atitle><jtitle>Plant pathology</jtitle><date>2018-08</date><risdate>2018</risdate><volume>67</volume><issue>6</issue><spage>1362</spage><epage>1373</epage><pages>1362-1373</pages><issn>0032-0862</issn><eissn>1365-3059</eissn><abstract>A homothallic Phytophthora species was found to be consistently associated with a rot of mature fruits of two local cultivars of olive (Olea europaea) in Calabria, southern Italy. The phylogenetic analysis of sequences of the ITS1‐5.8S‐ITS2 region and cox1 gene enabled its identification as a new species of clade 2, with a basal position compared to previously described subclades. The new species is described formally with the epithet Phytophthora oleae, referring to the natural matrix from which it was isolated. 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| subjects | clade 2 cox1 Cultivars Fruit rot Fruits Gene sequencing Inoculation ITS rDNA Molecular chains New species Olea europaea Oogonia oomycetes Oospores Pathogenicity Pathogens Phylogeny Physical characteristics Phytophthora Sporangia Sporangiophores |
| title | Phytophthora oleae sp. nov. causing fruit rot of olive in southern Italy |
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