Population structure of South African and Australian Pyrenophora teres isolates
There are two recognized forms of the disease net blotch of barley: the net form caused by Pyrenophora teres f. teres (PTT) and the spot form caused by P. teres f. maculata (PTM). In this study, amplified fragment length polymorphism analysis was used to investigate the genetic diversity and populat...
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| Veröffentlicht in: | Plant pathology 2010-06, Vol.59 (3), p.504-515 |
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| creator | Lehmensiek, A Bester-van der Merwe, A.E Sutherland, M.W Platz, G Kriel, W.M Potgieter, G.F Prins, R |
| description | There are two recognized forms of the disease net blotch of barley: the net form caused by Pyrenophora teres f. teres (PTT) and the spot form caused by P. teres f. maculata (PTM). In this study, amplified fragment length polymorphism analysis was used to investigate the genetic diversity and population structure of 60 PTT and 64 PTM isolates collected across Australia (66 isolates) and in the south-western Cape of South Africa (58 isolates). For comparison, P. tritici-repentis, Exserohilum rostratum and Bipolaris sorokiniana samples were also included in the analyses. Both distance- and model-based cluster analyses separated the PTT and PTM isolates into two strongly divergent genetic groups. Significant variation was observed both among the South African and Australian populations of PTT and PTM and among sampling locations for the PTT samples. Results suggest that sexual reproduction between the two forms is unlikely and that reproduction within the PTT and PTM groups occurs mainly asexually. |
| doi_str_mv | 10.1111/j.1365-3059.2009.02231.x |
| format | Article |
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In this study, amplified fragment length polymorphism analysis was used to investigate the genetic diversity and population structure of 60 PTT and 64 PTM isolates collected across Australia (66 isolates) and in the south-western Cape of South Africa (58 isolates). For comparison, P. tritici-repentis, Exserohilum rostratum and Bipolaris sorokiniana samples were also included in the analyses. Both distance- and model-based cluster analyses separated the PTT and PTM isolates into two strongly divergent genetic groups. Significant variation was observed both among the South African and Australian populations of PTT and PTM and among sampling locations for the PTT samples. Results suggest that sexual reproduction between the two forms is unlikely and that reproduction within the PTT and PTM groups occurs mainly asexually.</description><identifier>ISSN: 0032-0862</identifier><identifier>EISSN: 1365-3059</identifier><identifier>DOI: 10.1111/j.1365-3059.2009.02231.x</identifier><identifier>CODEN: PLPAAD</identifier><language>eng</language><publisher>Oxford, UK: Oxford, UK : Blackwell Publishing Ltd</publisher><subject>Amplified fragment length polymorphism ; barley ; Biological and medical sciences ; Bipolaris sorokiniana ; Exserohilum rostratum ; form-specific markers ; Fundamental and applied biological sciences. Psychology ; Fungal plant pathogens ; Genetic diversity ; genetic variation ; Hordeum vulgare ; Net blotch ; Phytopathology. Animal pests. Plant and forest protection ; Population structure ; Pyrenophora teres ; Pyrenophora teres f. maculata ; Pyrenophora teres f. teres ; Reproduction ; Sampling ; Sexual reproduction</subject><ispartof>Plant pathology, 2010-06, Vol.59 (3), p.504-515</ispartof><rights>2010 The Authors</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4771-44cb3530b3a79c9a5cabd7e4df66f9a791710bde85faf090d4a3035f3c73cfe13</citedby><cites>FETCH-LOGICAL-c4771-44cb3530b3a79c9a5cabd7e4df66f9a791710bde85faf090d4a3035f3c73cfe13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1365-3059.2009.02231.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1365-3059.2009.02231.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,1433,27924,27925,45574,45575,46409,46833</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22689686$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Lehmensiek, A</creatorcontrib><creatorcontrib>Bester-van der Merwe, A.E</creatorcontrib><creatorcontrib>Sutherland, M.W</creatorcontrib><creatorcontrib>Platz, G</creatorcontrib><creatorcontrib>Kriel, W.M</creatorcontrib><creatorcontrib>Potgieter, G.F</creatorcontrib><creatorcontrib>Prins, R</creatorcontrib><title>Population structure of South African and Australian Pyrenophora teres isolates</title><title>Plant pathology</title><description>There are two recognized forms of the disease net blotch of barley: the net form caused by Pyrenophora teres f. teres (PTT) and the spot form caused by P. teres f. maculata (PTM). In this study, amplified fragment length polymorphism analysis was used to investigate the genetic diversity and population structure of 60 PTT and 64 PTM isolates collected across Australia (66 isolates) and in the south-western Cape of South Africa (58 isolates). For comparison, P. tritici-repentis, Exserohilum rostratum and Bipolaris sorokiniana samples were also included in the analyses. Both distance- and model-based cluster analyses separated the PTT and PTM isolates into two strongly divergent genetic groups. Significant variation was observed both among the South African and Australian populations of PTT and PTM and among sampling locations for the PTT samples. Results suggest that sexual reproduction between the two forms is unlikely and that reproduction within the PTT and PTM groups occurs mainly asexually.</description><subject>Amplified fragment length polymorphism</subject><subject>barley</subject><subject>Biological and medical sciences</subject><subject>Bipolaris sorokiniana</subject><subject>Exserohilum rostratum</subject><subject>form-specific markers</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal plant pathogens</subject><subject>Genetic diversity</subject><subject>genetic variation</subject><subject>Hordeum vulgare</subject><subject>Net blotch</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Population structure</subject><subject>Pyrenophora teres</subject><subject>Pyrenophora teres f. maculata</subject><subject>Pyrenophora teres f. teres</subject><subject>Reproduction</subject><subject>Sampling</subject><subject>Sexual reproduction</subject><issn>0032-0862</issn><issn>1365-3059</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkEtP3DAURi1EJYZpfwOWKsQq6XWc-LFgMUKFVkJiJMrauuPYkFGIp3aiMv8eh0EsWNUbv853r30IoQxKlsePbcm4aAoOjS4rAF1CVXFWvhyRxcfFMVkA8KoAJaoTcprSFoA1WqsFuVuH3dTj2IWBpjFOdpyio8HT-zCNT3TlY2dxoDi0dDVlAPsub9f76IawewoR6eiiS7RLIVdx6Sv54rFP7tv7vCQP1z__XP0qbu9ufl-tbgtbS8mKurYb3nDYcJTaamwsblrp6tYL4XU-Y5LBpnWq8ehBQ1sjB954biW33jG-JBeHursY_k4ujea5S9b1PQ4uTMnIutH561Jl8vsnchumOOTHGSaFUFzxLGdJ1IGyMaQUnTe72D1j3BsGZhZttmb2aWafZhZt3kSblxw9f2-AyWLvIw62Sx_5qhJKCyUyd3ng_nW92_93fbNer-ZVzp8d8h6DwceYezzcV8A4MMVlzRh_BYDomlc</recordid><startdate>201006</startdate><enddate>201006</enddate><creator>Lehmensiek, A</creator><creator>Bester-van der Merwe, A.E</creator><creator>Sutherland, M.W</creator><creator>Platz, G</creator><creator>Kriel, W.M</creator><creator>Potgieter, G.F</creator><creator>Prins, R</creator><general>Oxford, UK : Blackwell Publishing Ltd</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7T7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>201006</creationdate><title>Population structure of South African and Australian Pyrenophora teres isolates</title><author>Lehmensiek, A ; Bester-van der Merwe, A.E ; Sutherland, M.W ; Platz, G ; Kriel, W.M ; Potgieter, G.F ; Prins, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4771-44cb3530b3a79c9a5cabd7e4df66f9a791710bde85faf090d4a3035f3c73cfe13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Amplified fragment length polymorphism</topic><topic>barley</topic><topic>Biological and medical sciences</topic><topic>Bipolaris sorokiniana</topic><topic>Exserohilum rostratum</topic><topic>form-specific markers</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungal plant pathogens</topic><topic>Genetic diversity</topic><topic>genetic variation</topic><topic>Hordeum vulgare</topic><topic>Net blotch</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Population structure</topic><topic>Pyrenophora teres</topic><topic>Pyrenophora teres f. maculata</topic><topic>Pyrenophora teres f. teres</topic><topic>Reproduction</topic><topic>Sampling</topic><topic>Sexual reproduction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lehmensiek, A</creatorcontrib><creatorcontrib>Bester-van der Merwe, A.E</creatorcontrib><creatorcontrib>Sutherland, M.W</creatorcontrib><creatorcontrib>Platz, G</creatorcontrib><creatorcontrib>Kriel, W.M</creatorcontrib><creatorcontrib>Potgieter, G.F</creatorcontrib><creatorcontrib>Prins, R</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><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>Lehmensiek, A</au><au>Bester-van der Merwe, A.E</au><au>Sutherland, M.W</au><au>Platz, G</au><au>Kriel, W.M</au><au>Potgieter, G.F</au><au>Prins, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Population structure of South African and Australian Pyrenophora teres isolates</atitle><jtitle>Plant pathology</jtitle><date>2010-06</date><risdate>2010</risdate><volume>59</volume><issue>3</issue><spage>504</spage><epage>515</epage><pages>504-515</pages><issn>0032-0862</issn><eissn>1365-3059</eissn><coden>PLPAAD</coden><abstract>There are two recognized forms of the disease net blotch of barley: the net form caused by Pyrenophora teres f. teres (PTT) and the spot form caused by P. teres f. maculata (PTM). In this study, amplified fragment length polymorphism analysis was used to investigate the genetic diversity and population structure of 60 PTT and 64 PTM isolates collected across Australia (66 isolates) and in the south-western Cape of South Africa (58 isolates). For comparison, P. tritici-repentis, Exserohilum rostratum and Bipolaris sorokiniana samples were also included in the analyses. Both distance- and model-based cluster analyses separated the PTT and PTM isolates into two strongly divergent genetic groups. Significant variation was observed both among the South African and Australian populations of PTT and PTM and among sampling locations for the PTT samples. 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| ispartof | Plant pathology, 2010-06, Vol.59 (3), p.504-515 |
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| subjects | Amplified fragment length polymorphism barley Biological and medical sciences Bipolaris sorokiniana Exserohilum rostratum form-specific markers Fundamental and applied biological sciences. Psychology Fungal plant pathogens Genetic diversity genetic variation Hordeum vulgare Net blotch Phytopathology. Animal pests. Plant and forest protection Population structure Pyrenophora teres Pyrenophora teres f. maculata Pyrenophora teres f. teres Reproduction Sampling Sexual reproduction |
| title | Population structure of South African and Australian Pyrenophora teres isolates |
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