Isolated Bacteroides gingivalis 2561 vesicles aggregated suspensions of Actinomyces viscosus and Actinomyces naeslundii of all taxonomy clusters. Vesicles bound near A. viscosus cell walls and among its surface fibrils. Tritiated vesicles bound slightly better to saliva-coated hydroxyapatite (SHA) than to SHA coated with A. viscosus; saturation was approached at the concentrations that were tested. Pretreatment of A. viscosus-coated SHA with vesicles impaired the subsequent adherence of B. gingivalis whole cells.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC313323 | PMC |
| http://dx.doi.org/10.1128/iai.57.5.1618-1620.1989 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Periodontal pathogens and obesity in the context of cardiovascular risks across age groups.
Front Oral Health
January 2025
Department of Cardiovascular Pathology and Diet Therapy, Federal Research Centre for Nutrition, Biotechnology and Food Safety, Moscow, Russia.
Background: Cardiovascular diseases (CVDs) are the leading cause of mortality and morbidity among noncommunicable diseases. Over the past decade, there has been a notable increase in the prevalence of CVDs among young individuals. Obesity, a well-known risk factor for CVDs, is also associated with various comorbidities that may contribute to cardiovascular risk.
View Article and Find Full Text PDFPhotodynamic and photothermal bacteria targeting nanosystems for synergistically combating bacteria and biofilms.
J Nanobiotechnology
January 2025
Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Road, Shanghai, 200011, China.
The escalating hazards posed by bacterial infections underscore the imperative for pioneering advancements in next-generation antibacterial modalities and treatments. Present therapeutic methodologies are frequently impeded by the constraints of insufficient biofilm infiltration and the absence of precision in pathogen-specific targeting. In this current study, we have used chlorin e6 (Ce6), zeolitic imidazolate framework-8 (ZIF-8), polydopamine (PDA), and UBI peptide to formulate an innovative nanosystem meticulously engineered to confront bacterial infections and effectually dismantle biofilm architectures through the concerted mechanism of photodynamic therapy (PDT)/photothermal therapy (PTT) therapies, including in-depth research, especially for oral bacteria and oral biofilm.
View Article and Find Full Text PDFBiofilm architecture and dynamics of the oral ecosystem.
BioTechnologia (Pozn)
December 2024
Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Nadia, West Bengal, India School of Life Sciences, Sambalpur University, Burla, Odisha, India.
The oral cavity, being a nutritionally enriched environment, has been proven to be an ideal habitat for biofilm development. Various microenvironments, including dental enamel, supra- and subgingival surfaces, salivary fluid, and the dorsal surface of the tongue, harbor diverse microbes. These biofilms typically consist of four major layers.
View Article and Find Full Text PDFEffects of initial periodontal therapy on the formation of neutrophil extracellular traps in gingival crevicular fluid in patients with severe periodontitis.
Hua Xi Kou Qiang Yi Xue Za Zhi
February 2025
Dept. of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University & State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases & Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, China.
Objectives: This study aimed to observe the effects of initial periodontal therapy on the level of neutrophil extracellular traps (NETs) in gingival crevicular fluid (GCF) of patients with severe periodontitis and to analyze the factors related to the formation of NETs.
Methods: Thirty-one patients with stage Ⅲ-Ⅳ periodontitis were recruited. Clinical periodontal parameters, including plaque index (PLI), gingival index (GI), probing depth (PD), and clinical atta-chment loss (CAL), were recorded before and 6-8 weeks after initial periodontal therapy.
Alzheimer's disease and infectious agents: a comprehensive review of pathogenic mechanisms and microRNA roles.
Front Neurosci
January 2025
Critical Care Quality Improvement Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Alzheimer's Disease (AD) is the most prevalent type of dementia and is characterized by the presence of senile plaques and neurofibrillary tangles. There are various theories concerning the causes of AD, but the connection between viral and bacterial infections and their potential role in the pathogenesis of AD has become a fascinating area of research for the field. Various viruses such as (HSV-1), (EBV), Cytomegalovirus (CMV), influenza viruses, and Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), as well as bacteria such as (CP), (HP), (), Spirochetes and eukaryotic unicellular parasites (e.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!