{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T14:22:39Z","timestamp":1790605359518,"version":"4.1.0"},"reference-count":23,"publisher":"Canadian Science Publishing","issue":"5","license":[{"start":{"date-parts":[[2011,5,1]],"date-time":"2011-05-01T00:00:00Z","timestamp":1304208000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Can. J. Microbiol."],"published-print":{"date-parts":[[2011,5]]},"abstract":"<jats:p> Clavibacter michiganensis subsp. nebraskensis (CMN) is a gram-positive bacterium and an incitant of Goss\u2019s bacterial wilt and leaf blight or \u201cleaf freckles\u201d in corn. A population structure of a wide temporal and geographic collection of CMN strains (n = 131), originating between 1969 and 2009, was determined using amplified fragment length polymorphism (AFLP) analysis and repetitive DNA sequence-based BOX-PCR. Analysis of the composite data set of AFLP and BOX-PCR fingerprints revealed two groups with a 60% cutoff similarity: a major group A (n = 118 strains) and a minor group B (n = 13 strains). The clustering in both groups was not correlated with strain pathogenicity. Group A contained two clusters, A1 (n = 78) and A2 (n = 40), with a linkage of 75%. Group A strains did not show any correlation with historical, geographical, morphological, or physiological properties of the strains. Group B was very heterogeneous and eight out of nine clusters were represented by a single strain. The mean similarity between clusters in group B varied from 13% to 63%. All strains in group B were isolated after 1999. The percentage of group B strains among all strains isolated after 1999 (n = 69) was 18.8%. Implications of the findings are discussed. <\/jats:p>","DOI":"10.1139\/w11-016","type":"journal-article","created":{"date-parts":[[2011,5,10]],"date-time":"2011-05-10T12:18:08Z","timestamp":1305029888000},"page":"366-374","source":"Crossref","is-referenced-by-count":27,"title":["Genetic diversity and population structure of <i>Clavibacter michiganensis<\/i> subsp. <i>nebraskensis<\/i>"],"prefix":"10.1139","volume":"57","author":[{"given":"I.V.","family":"Agarkova","sequence":"first","affiliation":[{"name":"Plant Pathology Department, University of Nebraska-Lincoln, 204 Morrison Hall, Lincoln, NE 68583-0900, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.A.","family":"Lambrecht","sequence":"additional","affiliation":[{"name":"Plant Pathology Department, University of Nebraska-Lincoln, 435 Plant Science Hall, Lincoln, NE 68583-0722, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.K.","family":"Vidaver","sequence":"additional","affiliation":[{"name":"Plant Pathology Department, University of Nebraska-Lincoln, 406C Plant Science Hall, Lincoln, NE 68583-0722, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"155","reference":[{"key":"refg1\/ref1","doi-asserted-by":"publisher","DOI":"10.1094\/PHYTO-96-1270"},{"key":"refg3\/ref3","doi-asserted-by":"publisher","DOI":"10.1128\/JB.01598-07"},{"key":"refg4\/ref4","unstructured":"Claflin, L.E. 1999. 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