Population Genetic Analysis of Propionibacterium acnes Identifies a Subpopulation and Epidemic Clones Associated with Acne
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{"title"=>"Population genetic analysis of Propionibacterium acnes identifies a subpopulation and epidemic clones associated with acne", "type"=>"journal", "authors"=>[{"first_name"=>"Hans B.", "last_name"=>"Lomholt", "scopus_author_id"=>"6602807221"}, {"first_name"=>"Mogens", "last_name"=>"Kilian", "scopus_author_id"=>"7102876785"}], "year"=>2010, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "scopus"=>"2-s2.0-77957922599", "sgr"=>"77957922599", "pui"=>"359761501", "isbn"=>"1932-6203", "pmid"=>"20808860", "doi"=>"10.1371/journal.pone.0012277"}, "id"=>"bc576b59-8ae3-342e-9dec-9689e42ebbb9", "abstract"=>"The involvement of Propionibacterium acnes in the pathogenesis of acne is controversial, mainly owing to its dominance as an inhabitant of healthy skin. This study tested the hypothesis that specific evolutionary lineages of the species are associated with acne while others are compatible with health. Phylogenetic reconstruction based on nine housekeeping genes was performed on 210 isolates of P. acnes from well-characterized patients with acne, various opportunistic infections, and from healthy carriers. Although evidence of recombination was observed, the results showed a basically clonal population structure correlated with allelic variation in the virulence genes tly and camp5, with pulsed field gel electrophoresis (PFGE)- and biotype, and with expressed putative virulence factors. An unexpected geographically and temporal widespread dissemination of some clones was demonstrated. The population comprised three major divisions, one of which, including an epidemic clone, was strongly associated with moderate to severe acne while others were associated with health and opportunistic infections. This dichotomy correlated with previously observed differences in in vitro inflammation-inducing properties. Comparison of five genomes representing acne- and health-associated clones revealed multiple both cluster- and strain-specific genes that suggest major differences in ecological preferences and redefines the spectrum of disease-associated virulence factors. The results of the study indicate that particular clones of P. acnes play an etiologic role in acne while others are associated with health.", "link"=>"http://www.mendeley.com/research/population-genetic-analysis-propionibacterium-acnes-identifies-subpopulation-epidemic-clones-associa", "reader_count"=>98, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>3, "Researcher"=>36, "Student > Doctoral Student"=>7, "Student > Ph. D. Student"=>19, "Student > Postgraduate"=>3, "Other"=>6, "Student > Master"=>11, "Student > Bachelor"=>6, "Lecturer > Senior Lecturer"=>1, "Professor"=>3}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>3, "Researcher"=>36, "Student > Doctoral Student"=>7, "Student > Ph. D. Student"=>19, "Student > Postgraduate"=>3, "Other"=>6, "Student > Master"=>11, "Student > Bachelor"=>6, "Lecturer > Senior Lecturer"=>1, "Professor"=>3}, "reader_count_by_subject_area"=>{"Unspecified"=>7, "Agricultural and Biological Sciences"=>47, "Chemistry"=>1, "Computer Science"=>1, "Economics, Econometrics and Finance"=>1, "Engineering"=>1, "Environmental Science"=>1, "Biochemistry, Genetics and Molecular Biology"=>4, "Nursing and Health Professions"=>2, "Medicine and Dentistry"=>16, "Pharmacology, Toxicology and Pharmaceutical Science"=>2, "Social Sciences"=>1, "Immunology and Microbiology"=>14}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>16}, "Social Sciences"=>{"Social Sciences"=>1}, "Unspecified"=>{"Unspecified"=>7}, "Environmental Science"=>{"Environmental Science"=>1}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>2}, "Engineering"=>{"Engineering"=>1}, "Chemistry"=>{"Chemistry"=>1}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>1}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>14}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>47}, "Computer Science"=>{"Computer Science"=>1}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>2}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>4}}, "reader_count_by_country"=>{"United States"=>2, "Egypt"=>1, "Denmark"=>1, "Brazil"=>1, "United Kingdom"=>1, "France"=>1, "Switzerland"=>1}, "group_count"=>3}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/834490"], "description"=>"<p>Percentage of prospectively collected Danish isolates from patients with moderate to severe acne (black bars) versus isolates from healthy controls (grey bars) in A), division I-1 compared to divisions I-2 and II combined; B), ST 27 compared to the rest of division I-1 among Danish isolates; and C), percentage of isolates from blood and infections in normally sterile tissues (see <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0012277#pone.0012277.s007\" target=\"_blank\">table S4</a> for details) for division I-1 compared to divisions I-2, II and III among all 143 non-redundant strains included.</p>", "links"=>[], "tags"=>["clones", "subpopulations", "acne"], "article_id"=>504860, "categories"=>["Virology", "Infectious Diseases", "Microbiology", "Genetics"], "users"=>["Hans B. Lomholt", "Mogens Kilian"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0012277.g003", "stats"=>{"downloads"=>3, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Certain_epidemic_clones_and_subpopulations_of_P_acnes_are_associated_with_severe_acne_and_soft_tissue_infections_/504860", "title"=>"Certain epidemic clones and subpopulations of <i>P. acnes</i> are associated with severe acne and soft tissue infections.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2010-08-19 01:21:00"}
  • {"files"=>["https://ndownloader.figshare.com/files/834543"], "description"=>"<p>Assignment of genome sequenced strains and relevant collection strains to phylogenetic clusters within <i>P. acnes</i>.</p>", "links"=>[], "tags"=>["genome", "sequenced", "strains", "phylogenetic", "clusters"], "article_id"=>504911, "categories"=>["Virology", "Infectious Diseases", "Microbiology", "Genetics"], "users"=>["Hans B. Lomholt", "Mogens Kilian"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0012277.g004", "stats"=>{"downloads"=>2, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Assignment_of_genome_sequenced_strains_and_relevant_collection_strains_to_phylogenetic_clusters_within_P_acnes_/504911", "title"=>"Assignment of genome sequenced strains and relevant collection strains to phylogenetic clusters within <i>P. acnes</i>.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2010-08-19 01:21:51"}
  • {"files"=>["https://ndownloader.figshare.com/files/834270"], "description"=>"<p>Minimum evolution tree of 57 sequence types (ST) detected among 210 isolates of <i>P. acnes</i> from skin of healthy individuals, from patients with varying degrees of acne, and from other infectious diseases. The majority of isolates were from Caucasians. Isolates from healthy Chinese individuals are indicated by an asterix. The number of independent isolates assigned to each ST containing more than one isolate is shown in brackets. Each isolate from cases of severe acne is indicated by a filled black circle and isolates from infections in normally sterile tissues and blood are indicated by an open red circle. The correlation of clusters with biotype, PFGE type, and <i>tly</i> and <i>camp5</i> alleles is shown to the right. The bar represents the genetic distance.</p>", "links"=>[], "tags"=>["genetics and genomics/population genetics", "microbiology/medical microbiology", "dermatology/acne-like disorders", "infectious diseases/bacterial infections"], "article_id"=>504639, "categories"=>["Virology", "Infectious Diseases", "Microbiology", "Genetics"], "users"=>["Hans B. Lomholt", "Mogens Kilian"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0012277.g001", "stats"=>{"downloads"=>3, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Population_structure_of_P_acnes_/504639", "title"=>"Population structure of <i>P. acnes</i>.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2010-08-19 01:17:19"}
  • {"files"=>["https://ndownloader.figshare.com/files/834349"], "description"=>"<p>The eBURST analysis of the allele profile in nine housekeeping and two virulence genes in 143 independent <i>P. acnes</i> strains identified eight clusters. Connected members of clusters differed by only one allele out of 11 loci and are assumed to be descended from the same founding genotype. The area of the black circles reflect the number of isolates (see also <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0012277#pone-0012277-g001\" target=\"_blank\">Figure 1</a>) and the area of the red circles reflect the number of isolates from severe acne. The ST18 cluster included 46 isolates, 14 (30%) of which were from severe acne, whereas the other major cluster, the ST36 cluster, included 23 isolates, one (4.3%) of which was from severe acne. Occasional strains that deviated from the majority allele profile of a certain ST in a single virulence gene are indicated by an A added to the ST number. The founders of the three major ST18, ST36, and ST53 clusters were supported by a bootstrap value of 99, 99, and 78%, respectively.</p>", "links"=>[], "tags"=>["snapshot", "identifies", "clone", "complexes"], "article_id"=>504719, "categories"=>["Virology", "Infectious Diseases", "Microbiology", "Genetics"], "users"=>["Hans B. Lomholt", "Mogens Kilian"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0012277.g002", "stats"=>{"downloads"=>3, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Population_snapshot_of_P_acnes_identifies_a_limited_number_of_clone_complexes_with_founders_/504719", "title"=>"Population snapshot of <i>P. acnes</i> identifies a limited number of clone complexes with founders.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2010-08-19 01:18:39"}
  • {"files"=>["https://ndownloader.figshare.com/files/415633", "https://ndownloader.figshare.com/files/415682", "https://ndownloader.figshare.com/files/415784", "https://ndownloader.figshare.com/files/415848", "https://ndownloader.figshare.com/files/415883", "https://ndownloader.figshare.com/files/415918", "https://ndownloader.figshare.com/files/415948", "https://ndownloader.figshare.com/files/415986", "https://ndownloader.figshare.com/files/416033"], "description"=>"<div><p>The involvement of <em>Propionibacterium</em> acnes in the pathogenesis of acne is controversial, mainly owing to its dominance as an inhabitant of healthy skin. This study tested the hypothesis that specific evolutionary lineages of the species are associated with acne while others are compatible with health. Phylogenetic reconstruction based on nine housekeeping genes was performed on 210 isolates of <em>P. acnes</em> from well-characterized patients with acne, various opportunistic infections, and from healthy carriers. Although evidence of recombination was observed, the results showed a basically clonal population structure correlated with allelic variation in the virulence genes <em>tly</em> and <em>camp5</em>, with pulsed field gel electrophoresis (PFGE)- and biotype, and with expressed putative virulence factors. An unexpected geographically and temporal widespread dissemination of some clones was demonstrated. The population comprised three major divisions, one of which, including an epidemic clone, was strongly associated with moderate to severe acne while others were associated with health and opportunistic infections. This dichotomy correlated with previously observed differences in <em>in vitro</em> inflammation-inducing properties. Comparison of five genomes representing acne- and health-associated clones revealed multiple both cluster- and strain-specific genes that suggest major differences in ecological preferences and redefines the spectrum of disease-associated virulence factors. The results of the study indicate that particular clones of <em>P. acnes</em> play an etiologic role in acne while others are associated with health.</p></div>", "links"=>[], "tags"=>["identifies", "subpopulation", "clones", "acne"], "article_id"=>142079, "categories"=>["Cancer", "Microbiology", "Genetics"], "users"=>["Hans B. Lomholt", "Mogens Kilian"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0012277.s001", "https://dx.doi.org/10.1371/journal.pone.0012277.s002", "https://dx.doi.org/10.1371/journal.pone.0012277.s003", "https://dx.doi.org/10.1371/journal.pone.0012277.s004", "https://dx.doi.org/10.1371/journal.pone.0012277.s005", "https://dx.doi.org/10.1371/journal.pone.0012277.s006", "https://dx.doi.org/10.1371/journal.pone.0012277.s007", "https://dx.doi.org/10.1371/journal.pone.0012277.s008", "https://dx.doi.org/10.1371/journal.pone.0012277.s009"], "stats"=>{"downloads"=>12, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Population_Genetic_Analysis_of_Propionibacterium_acnes_Identifies_a_Subpopulation_and_Epidemic_Clones_Associated_with_Acne/142079", "title"=>"Population Genetic Analysis of <em>Propionibacterium acnes</em> Identifies a Subpopulation and Epidemic Clones Associated with Acne", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2010-08-19 00:34:39"}

PMC Usage Stats | Further Information

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Relative Metric

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