Search Results - "Claesson, Rolf"
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Leukotoxic activity of Aggregatibacter actinomycetemcomitans and periodontal attachment loss
Published in PloS one (05-08-2014)“…Aggregatibacter actinomycetemcomitans is a Gram-negative periodontitis-associated bacterium that expresses a toxin that selectively affects leukocytes. This…”
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Evasion of Immune Surveillance in Low Oxygen Environments Enhances Candida albicans Virulence
Published in mBio (06-11-2018)“…Microbial colonizers of humans have evolved to adapt to environmental cues and to sense nutrient availability. Oxygen is a constantly changing environmental…”
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Strong Antibacterial Effect of Miswak Against Oral Microorganisms Associated With Periodontitis and Caries
Published in Journal of periodontology (1970) (01-08-2008)“…Background: The chewing stick (miswak) is used for oral hygiene in many parts of the world. In addition to the mechanical removal of plaque, an antibacterial…”
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Carriage of the JP2 Genotype of Aggregatibacter actinomycetemcomitans by Periodontitis Patients of Various Geographic Origin, Living in Sweden
Published in Pathogens (Basel) (25-10-2022)“…The JP2 genotype of Aggregatibacter actinomycetemcomitans serotype b is associated with aggressive forms of periodontitis and was initially identified as…”
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Oral Microbial Profile Discriminates Breast‐fed From Formula‐fed Infants
Published in Journal of pediatric gastroenterology and nutrition (01-02-2013)“…ABSTRACT Objectives: Little is known about the effect of diet on the oral microbiota of infants, although diet is known to affect the gut microbiota. The aims…”
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Porphyromonas gingivalis fimbrial protein Mfa5 contains a von Willebrand factor domain and an intramolecular isopeptide
Published in Communications biology (25-01-2021)“…The Gram-negative bacterium Porphyromonas gingivalis is a secondary colonizer of the oral biofilm and is involved in the onset and progression of…”
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Streptococcus Mutans Adhesin Biotypes that Match and Predict Individual Caries Development
Published in EBioMedicine (01-10-2017)“…Dental caries, which affects billions of people, is a chronic infectious disease that involves Streptococcus mutans, which is nevertheless a poor predictor of…”
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Leukotoxin A Production and Release by JP2 and Non-JP2 Genotype Aggregatibacter actinomycetemcomitans in Relation to Culture Conditions
Published in Pathogens (Basel) (06-07-2024)“…Aggressive forms of periodontitis, especially in young patients, are often associated with an increased proportion of the Gram-negative bacterium of the…”
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Aggregatibacter Actinomycetemcomitans : Clinical Significance of a Pathobiont Subjected to Ample Changes in Classification and Nomenclature
Published in Pathogens (Basel) (18-11-2019)“…is a Gram-negative bacterium that is part of the oral microbiota. The aggregative nature of this pathogen or pathobiont is crucial to its involvement in human…”
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Phylogenetic Analysis of Filifactor alocis Strains Isolated from Several Oral Infections Identified a Novel RTX Toxin, FtxA
Published in Toxins (30-10-2020)“…is a Gram-positive asaccharolytic, obligate anaerobic rod of the phylum Firmicutes, and is considered an emerging pathogen in various oral infections,…”
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43-Year Temporal Trends in Immune Response to Oral Bacteria in a Swedish Population
Published in Pathogens (Basel) (07-07-2020)“…Bacteria colonizing the mouth induce an adaptive immune response with the systemic and local presence of species or strain-specific immunoglobulins. Few…”
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Age-related prevalence and characteristics of Aggregatibacter actinomycetemcomitans in periodontitis patients living in Sweden
Published in Journal of oral microbiology (01-01-2017)“…Background: The presence of Aggregatibacter actinomycetemcomitans in patients with periodontitis has been extensively studied for decades. Objective: To study…”
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Association of Filifactor alocis and its RTX toxin gene ftxA with periodontal attachment loss, and in synergy with Aggregatibacter actinomycetemcomitans
Published in Frontiers in cellular and infection microbiology (2024)“…The Gram-positive bacterium, is an oral pathogen, and approximately 50% of known strains encode a recently identified repeat-in-toxin (RTX) protein, FtxA. By…”
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Age-Related Subgingival Colonization of Aggregatibacter actinomycetemcomitans , Porphyromonas gingivalis and Parvimonas micra -A Pragmatic Microbiological Retrospective Report
Published in Microorganisms (Basel) (29-05-2023)“…The aim of this study was to compare data about the prevalence and proportions of the bacterial species , , and in periodontitis pocket samples collected from…”
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The pilin protein FimP from Actinomyces oris: crystal structure and sequence analyses
Published in PloS one (31-10-2012)“…The Actinomyces oris type-1 pili are important for the initial formation of dental plaque by binding to salivary proteins that adhere to the tooth surface…”
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Multilocus Sequence Typing of Non-JP2 Serotype b Aggregatibacter actinomycetemcomitans Strains of Ghanaian and Swedish Origin
Published in Frontiers in cellular and infection microbiology (14-12-2021)“…The Gram-negative bacterium, is associated with periodontitis affecting young individuals. The geographic dissemination of the highly leukotoxic JP2 genotype…”
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Clinical laboratory diagnostics in dentistry: Application of microbiological methods
Published in Frontiers in oral health (2022)“…Diagnosis and treatment in dentistry are based on clinical examination of the patients. Given that the major oral diseases are of microbial biofilm etiology,…”
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Aggregatibacter actinomycetemcomitans and Filifactor alocis as Associated with Periodontal Attachment Loss in a Cohort of Ghanaian Adolescents
Published in Microorganisms (Basel) (19-12-2022)“…The aims of the present study were to document the presence of and the emerging oral pathogen , as well as to identify genotypes of these bacterial species…”
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Discrepancies in Antimicrobial Susceptibility between the JP2 and the Non-JP2 Genotype of Aggregatibacter actinomycetemcomitans
Published in Antibiotics (Basel) (27-02-2022)“…The Aggregatibacter actinomycetemcomitans JP2 genotype is associated with high leukotoxin production and severe (aggressive) periodontitis. The aim of this…”
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Cytolethal distending toxin in isolates of Aggregatibacter actinomycetemcomitans from Ghanaian adolescents and association with serotype and disease progression
Published in PloS one (14-06-2013)“…The cytolethal distending toxin (Cdt) is a highly conserved exotoxin that are produced by a number of Gram negative bacteria, including Aggregatibacter…”
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