Morphological and molecular characterization of two ITS groups of Erysiphe (Erysiphales) occurring on Syringa and Ligustrum (Oleaceae)
ITS sequences determined for 53 Erysiphe specimens on Syringa and Ligustrum collected in Europe, East Asia, and North and South America were divided into two ITS groups, S and K types. Phylogenetic analysis showed that these two ITS types do not share a common ancestor and form separate clades. The...
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description | ITS sequences determined for 53 Erysiphe specimens on Syringa and Ligustrum collected in Europe, East Asia, and North and South America were divided into two ITS groups, S and K types. Phylogenetic analysis showed that these two ITS types do not share a common ancestor and form separate clades. The K type on Ligustrum was identified as Erysiphe ligustri based on the three-dimensional branching pattern of appendages. Morphological observations showed that there are some morphological differences—pigmentation of appendages and number of ascospores per ascus—between the S and K types on Syringa. Based on these morphological observations, the S and K types on Syringa were identified as E. syringae and E. syringae-japonicae, respectively. The recent abundant production of chasmothecia by lilac powdery mildew in Europe was caused by E. syringaejaponicae introduced from East Asia. DNA sequence analyses of the rDNA ITS region and the 28S rDNA, tub2, CYP51, and Chs1 genes did not support an interspecific hybrid origin for E. syringae-japonicae. Haplotype analysis suggested that E. syringae originated in North America and independently migrated to East Asia and Europe/South America. |
doi_str_mv | 10.1007/S10267-010-0088-X |
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Phylogenetic analysis showed that these two ITS types do not share a common ancestor and form separate clades. The K type on Ligustrum was identified as Erysiphe ligustri based on the three-dimensional branching pattern of appendages. Morphological observations showed that there are some morphological differences—pigmentation of appendages and number of ascospores per ascus—between the S and K types on Syringa. Based on these morphological observations, the S and K types on Syringa were identified as E. syringae and E. syringae-japonicae, respectively. The recent abundant production of chasmothecia by lilac powdery mildew in Europe was caused by E. syringaejaponicae introduced from East Asia. DNA sequence analyses of the rDNA ITS region and the 28S rDNA, tub2, CYP51, and Chs1 genes did not support an interspecific hybrid origin for E. syringae-japonicae. Haplotype analysis suggested that E. syringae originated in North America and independently migrated to East Asia and Europe/South America.</description><identifier>ISSN: 1340-3540</identifier><identifier>EISSN: 1618-2545</identifier><identifier>DOI: 10.1007/S10267-010-0088-X</identifier><language>eng</language><publisher>Japan: Elsevier B.V</publisher><subject>Appendages ; Ascospores ; Biomedical and Life Sciences ; Biotechnology ; Erysiphaceae ; Erysiphales ; Erysiphe syringae ; Erysiphe syringae-japonicae ; Eukaryotic Microbiology ; Geographic origin ; Haplotypes ; Hybrids ; Life Sciences ; Ligustrum ; Microbial Ecology ; Microbiology ; Microsphaera ; Nucleotide sequence ; Oleaceae ; Phylogeny ; Powdery mildew ; Syringa</subject><ispartof>Mycoscience, 2011-05, Vol.52 (3), p.174-182</ispartof><rights>2011 Mycological Society of Japan</rights><rights>The Mycological Society of Japan and Springer 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c464t-33832806faaf9de26fdfeaeb948f364f7117b5649fd7f28236edac0cd53295883</citedby><cites>FETCH-LOGICAL-c464t-33832806faaf9de26fdfeaeb948f364f7117b5649fd7f28236edac0cd53295883</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Seko, Yusuke</creatorcontrib><creatorcontrib>Heluta, Vasyl</creatorcontrib><creatorcontrib>Grigaliunaite, Banga</creatorcontrib><creatorcontrib>Takamatsu, Susumu</creatorcontrib><title>Morphological and molecular characterization of two ITS groups of Erysiphe (Erysiphales) occurring on Syringa and Ligustrum (Oleaceae)</title><title>Mycoscience</title><addtitle>Mycoscience</addtitle><description>ITS sequences determined for 53 Erysiphe specimens on Syringa and Ligustrum collected in Europe, East Asia, and North and South America were divided into two ITS groups, S and K types. Phylogenetic analysis showed that these two ITS types do not share a common ancestor and form separate clades. The K type on Ligustrum was identified as Erysiphe ligustri based on the three-dimensional branching pattern of appendages. Morphological observations showed that there are some morphological differences—pigmentation of appendages and number of ascospores per ascus—between the S and K types on Syringa. Based on these morphological observations, the S and K types on Syringa were identified as E. syringae and E. syringae-japonicae, respectively. The recent abundant production of chasmothecia by lilac powdery mildew in Europe was caused by E. syringaejaponicae introduced from East Asia. DNA sequence analyses of the rDNA ITS region and the 28S rDNA, tub2, CYP51, and Chs1 genes did not support an interspecific hybrid origin for E. syringae-japonicae. Haplotype analysis suggested that E. syringae originated in North America and independently migrated to East Asia and Europe/South America.</description><subject>Appendages</subject><subject>Ascospores</subject><subject>Biomedical and Life Sciences</subject><subject>Biotechnology</subject><subject>Erysiphaceae</subject><subject>Erysiphales</subject><subject>Erysiphe syringae</subject><subject>Erysiphe syringae-japonicae</subject><subject>Eukaryotic Microbiology</subject><subject>Geographic origin</subject><subject>Haplotypes</subject><subject>Hybrids</subject><subject>Life Sciences</subject><subject>Ligustrum</subject><subject>Microbial Ecology</subject><subject>Microbiology</subject><subject>Microsphaera</subject><subject>Nucleotide sequence</subject><subject>Oleaceae</subject><subject>Phylogeny</subject><subject>Powdery mildew</subject><subject>Syringa</subject><issn>1340-3540</issn><issn>1618-2545</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kE9v1DAQxSMEEqXwAbj5RnsI-F8cR5xQVaDSoh62SL1ZrjPedeWNwzgpLB-Az41DKg4cOM3T6P1m9F5VvWb0LaO0fbdllKu2pozWlGpd3z6pTphiuuaNbJ4WLSStRSPp8-pFzveUslYJflL9-pJw3KeYdsHZSOzQk0OK4OZokbi9ResmwPDTTiENJHkyfU_k6mZLdpjmMS-bSzzmMO6BnD0qGyGfk-TcjBiGHSng9rgo--f-JuzmPOF8IGfXEawDC-cvq2fexgyvHudp9fXj5c3F53pz_enq4sOmdlLJqRZCC66p8tb6rgeufO8LftdJ7YWSvmWsvWuU7Hzfeq65UNBbR13fCN41WovT6s16d8T0bYY8mUPIDmK0A6Q5G911rNFSy-Jkq9NhyhnBmxHDweLRMGqWys1auSmVm6Vyc1sYvjJ5XOICmvs041AC_YXyP9CPAr1fISi5H0KBsgswOOgDgptMn8J_Xv4Gy8uZsA</recordid><startdate>20110501</startdate><enddate>20110501</enddate><creator>Seko, Yusuke</creator><creator>Heluta, Vasyl</creator><creator>Grigaliunaite, Banga</creator><creator>Takamatsu, Susumu</creator><general>Elsevier B.V</general><general>Springer Japan</general><scope>AAYXX</scope><scope>CITATION</scope><scope>M7N</scope></search><sort><creationdate>20110501</creationdate><title>Morphological and molecular characterization of two ITS groups of Erysiphe (Erysiphales) occurring on Syringa and Ligustrum (Oleaceae)</title><author>Seko, Yusuke ; Heluta, Vasyl ; Grigaliunaite, Banga ; Takamatsu, Susumu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-33832806faaf9de26fdfeaeb948f364f7117b5649fd7f28236edac0cd53295883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Appendages</topic><topic>Ascospores</topic><topic>Biomedical and Life Sciences</topic><topic>Biotechnology</topic><topic>Erysiphaceae</topic><topic>Erysiphales</topic><topic>Erysiphe syringae</topic><topic>Erysiphe syringae-japonicae</topic><topic>Eukaryotic Microbiology</topic><topic>Geographic origin</topic><topic>Haplotypes</topic><topic>Hybrids</topic><topic>Life Sciences</topic><topic>Ligustrum</topic><topic>Microbial Ecology</topic><topic>Microbiology</topic><topic>Microsphaera</topic><topic>Nucleotide sequence</topic><topic>Oleaceae</topic><topic>Phylogeny</topic><topic>Powdery mildew</topic><topic>Syringa</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seko, Yusuke</creatorcontrib><creatorcontrib>Heluta, Vasyl</creatorcontrib><creatorcontrib>Grigaliunaite, Banga</creatorcontrib><creatorcontrib>Takamatsu, Susumu</creatorcontrib><collection>CrossRef</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Mycoscience</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seko, Yusuke</au><au>Heluta, Vasyl</au><au>Grigaliunaite, Banga</au><au>Takamatsu, Susumu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Morphological and molecular characterization of two ITS groups of Erysiphe (Erysiphales) occurring on Syringa and Ligustrum (Oleaceae)</atitle><jtitle>Mycoscience</jtitle><stitle>Mycoscience</stitle><date>2011-05-01</date><risdate>2011</risdate><volume>52</volume><issue>3</issue><spage>174</spage><epage>182</epage><pages>174-182</pages><issn>1340-3540</issn><eissn>1618-2545</eissn><abstract>ITS sequences determined for 53 Erysiphe specimens on Syringa and Ligustrum collected in Europe, East Asia, and North and South America were divided into two ITS groups, S and K types. Phylogenetic analysis showed that these two ITS types do not share a common ancestor and form separate clades. The K type on Ligustrum was identified as Erysiphe ligustri based on the three-dimensional branching pattern of appendages. Morphological observations showed that there are some morphological differences—pigmentation of appendages and number of ascospores per ascus—between the S and K types on Syringa. Based on these morphological observations, the S and K types on Syringa were identified as E. syringae and E. syringae-japonicae, respectively. The recent abundant production of chasmothecia by lilac powdery mildew in Europe was caused by E. syringaejaponicae introduced from East Asia. DNA sequence analyses of the rDNA ITS region and the 28S rDNA, tub2, CYP51, and Chs1 genes did not support an interspecific hybrid origin for E. syringae-japonicae. Haplotype analysis suggested that E. syringae originated in North America and independently migrated to East Asia and Europe/South America.</abstract><cop>Japan</cop><pub>Elsevier B.V</pub><doi>10.1007/S10267-010-0088-X</doi><tpages>9</tpages></addata></record> |
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subjects | Appendages Ascospores Biomedical and Life Sciences Biotechnology Erysiphaceae Erysiphales Erysiphe syringae Erysiphe syringae-japonicae Eukaryotic Microbiology Geographic origin Haplotypes Hybrids Life Sciences Ligustrum Microbial Ecology Microbiology Microsphaera Nucleotide sequence Oleaceae Phylogeny Powdery mildew Syringa |
title | Morphological and molecular characterization of two ITS groups of Erysiphe (Erysiphales) occurring on Syringa and Ligustrum (Oleaceae) |
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