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Journal articles on the topic 'Level of microbial adhesion'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Maliavin, Anton I., and Lev E. Belyi. "Blueberry polyphenols for prevention of urinary tract infection: future perspectives." Clinical review for general practice 5, no. 6 (2024): 69–75. http://dx.doi.org/10.47407/kr2024.5.6.00437.

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Prophylactic administration of antibiotics for urinary tract infections should be the last resort after all other preventive measures have been exhausted. This is due to the resistance of microbial flora to antibiotics, a lot of side effects of antibiotic therapy. Non-antimicrobial prevention should include the elimination of possible risk factors, behavioral modifications, as well as various options for non-antimicrobial prevention. An anti-adhesive strategy is being actively developed when various chemicals prevent the adhesion of bacteria to the urothelium. One of the variants of this strat

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Arutyunov, Sergey, Levon Kirakosyan, Lubov Dubova, et al. "Microbial Adhesion to Dental Polymers for Conventional, Computer-Aided Subtractive and Additive Manufacturing: A Comparative In Vitro Study." Journal of Functional Biomaterials 13, no. 2 (2022): 42. http://dx.doi.org/10.3390/jfb13020042.

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Modern structural materials are represented by a variety of polymer materials used for dental patients’ rehabilitation. They differ not only in physico-chemical properties, but also in microbiological properties, which is one of the reasons why these materials are chosen. The study focused on the microbial adhesion of clinical isolates of normal (5 types), periodontopathogenic (2 types), and fungal (2 types) microbiotas to various materials based on polymethylmethacrylate (PMMA) intended for traditional (cold-cured and hot-cured polymers), computer-aided subtractive and additive manufacturing.

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Gristina, A. G., G. Giridhar, B. L. Gabriel, P. T. Naylor, and Q. N. Myrvik. "Cell Biology and Molecular Mechanisms in Artificial Device Infections." International Journal of Artificial Organs 16, no. 11 (1993): 755–64. http://dx.doi.org/10.1177/039139889301601103.

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Biomaterials are being used with increasing frequency for tissue substitution. Complex devices such as total joint replacement and the total artificial heart represent combinations of polymers and metal alloys for system and organ replacement. The major barrier to the extended use of these devices is bacterial adhesion to biomaterials, which causes biomaterial-centered infection, and the lack of successful tissue integration or compatibility with biomaterial surfaces. Adhesion-mediated infections are extremely resistant to antibiotics and host defenses and frequently persist until the biomater

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Fondevila, M., G. Cufré, J. C. M. Nogueira, L. Godio, and G. Alcantu. "Digestion and microbial fermentation ofEragrostis curvulasupplemented with tallow." Animal Science 69, no. 2 (1999): 447–55. http://dx.doi.org/10.1017/s135772980005102x.

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AbstractTwoin vitroexperiments were conducted in order to determine if microbial fermentation of Eragrostis curvula hay is depressed by high levels of added tallow. Two levels of tallow, to reach 0.06 (T6) and 0.12 (T12) of the ether extract (organic matter basis) in food were compared with a control (T0, 25 g ether extract per kg). The first experiment studied the pattern of gas production. From 24 h onwards, gas volume for T0 was higher (P < 0.05) than for T6 and T12. However, lag time was shorter with tallow, probably because of utilization of the released glycerol. Fermentation of a sim

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Eldashev, S. S., T. V. Tsareva, D. O. Bykov, M. V. Bykova, and V. A. Parunov. "Investigation of the microbial adhesion to the surface of dentures made of domestic dental alloys based on palladium." Clinical Dentistry (Russia) 28, no. 1 (2025): 166–70. https://doi.org/10.37988/1811-153x_2025_1_166.

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The aim of the study was to investigate and compare the primary and residual adhesion of microorganisms to the surface of dental prostheses made of Russian palladium-based alloys “Palladent” and “Palladent-UNI”. Samples of ceramic-coated and uncoated alloys were used. As a result of the study, the data were obtained that the ceramic-coated “Palladent-UNI” alloy samples showed a better statistically reliable result than the “Palladent” alloy samples. It was found that the zone of alloys and ceramic coating connection creates additional conditions for microorganisms fixation and increases the le

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Yang, Yu, Sabrina Schwiderek, Guido Grundmeier, and Adrian Keller. "Strain-Dependent Adsorption of Pseudomonas aeruginosa-Derived Adhesin-Like Peptides at Abiotic Surfaces." Micro 1, no. 1 (2021): 129–39. http://dx.doi.org/10.3390/micro1010010.

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Implant-associated infections are an increasingly severe burden on healthcare systems worldwide and many research activities currently focus on inhibiting microbial colonization of biomedically relevant surfaces. To obtain molecular-level understanding of the involved processes and interactions, we investigate the adsorption of synthetic adhesin-like peptide sequences derived from the type IV pili of the Pseudomonas aeruginosa strains PAK and PAO at abiotic model surfaces, i.e., Au, SiO2, and oxidized Ti. These peptides correspond to the sequences of the receptor-binding domain 128–144 of the

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Myronchuk, V. O., and R. A. Peleno. "Analysis of adhesive and biofilm-forming properties of field isolates of microor-ganisms for pig houses under the action of disinfectants “Sviteco PIP Multi” and “Vulkan Max”." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 26, no. 116 (2024): 212–19. https://doi.org/10.32718/nvlvet11631.

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Adhesion is a critically important condition for the development of microbes. It allows them to attach to the surfaces of certain objects and obtain nutrients for survival, reproduction, and subsequently, the formation of biofilms in which microorganisms, compared to planktonic forms, demonstrate increased resistance to antimicrobial agents, including disinfectants. The work aimed to investigate the effect of disinfectants “Sviteco PIP Multi” and “Vulcan Max” on the adhesive and biofilm-forming ability of field isolates of microorganisms from pig housing. It was found that before the action of

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Чижмаков, Е. А., Т. В. Царева, М. С. Подпорин, et al. "Microbial adhesion to samples of complete removable dentures of polymethylmethacrylate-polyethyleneterephthalate composition." Клиническая стоматология 26, no. 4 (2023): 64–70. http://dx.doi.org/10.37988/1811-153x_2023_4_64.

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Процессы первичной адгезии к конструкционным материалам определяют начальный этап формирования агрессивных микробных биопленок, которые, в свою очередь, играют крайне важную роль в развитии инфекционных осложнений. Цель исследования заключается в оценке адгезивной активности различных представителей оральной микробиоты к образцам стоматологических материалов из полиэтилентерефталата (ПЭТФ) и полиметилметакрилата (ПММА) с учетом их гидрофобных свойств, а также оценка взаимосвязи пар бактерия—субстрат при комбинации ПЭТФ и ПММА. Исходя из уровня значимости 0,05 и мощности 0,8 исследования изгото

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Sun, Yuan, Shuang Liang, and Zhi Zhou Zhang. "Analysis of Marine Fouling Microbial Communities Adhering to Carboxyl Modified MWCNTs-Filled PDMS Coating Surface during the Initial Stage of Biofouling." Advanced Materials Research 1061-1062 (December 2014): 155–61. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.155.

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In this study, a polydimethylsiloxane (PDMS) coating filled with low concentrations of selected carboxyl modified multi-walled carbon nanotubes (cMWCNTs) has been fabricated. The antifouling properties of cMWCNTs-filled PDMS coatings were tested and the diversity level and succession phenomenon of marine fouling microbial communities were analyzed using single strand conformation polymorphism (SSCP) method. Marine adhesion test showed that cMWCNTs-filled PDMS coating presented decent antifouling property. SSCP analysis revealed that fouling prokaryotic species on the cMWCNTs-filled PDMS coatin

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Ning, Zhenzhen, Bei Xue, and Huhu Wang. "Evaluation of the Adhesive Potential of Bacteria Isolated from Meat-Related Sources." Applied Sciences 11, no. 22 (2021): 10652. http://dx.doi.org/10.3390/app112210652.

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Microbial adhesion constitutes the transition of microorganisms from a planktonic mode to a static one. It promotes the formation of biofilm which is responsible for spoilage, foodborne diseases, and corrosion in the food processing industry. In this study, the adhesive potential of fourteen meat-borne bacterial isolates belonging to seven different genera was investigated. All strains were found able to colonize polystyrene surfaces with different levels of firmness. Significant variations were determined in assays of bacterial hydrophobicity and motility. Among the 14 strains, Pseudomonas fr

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Zhang, Da Feng, Wei Wei Lou, Yi Wen Dong, and Jin Song Liu. "Effects of Shaking Frequency on Growth and Adhesion Behaviour of Streptococcus mutans." Advanced Materials Research 749 (August 2013): 206–10. http://dx.doi.org/10.4028/www.scientific.net/amr.749.206.

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Objective: To study the adhesion of streptococcus mutans (S. mutans) to two dental restorative materials and the growth of S. mutans in shaking culture with different frequencies. Methods: The specimen made of acrylic resin and Co-Cr alloy were put into culture medium with S. mutans and incubated respectively in shaking condition with different frequencies for 24h. The amount of S. mutans on the surface of specimen and in the culture media was determined by the clone forming unit (CFU) counting method. Results: When the frequency exceeded 60 rpm in acrylic resin groups and 30 rpm in Co-Cr allo

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Ma, Xiaojing, Jinle Ma, Jianan Liu, Hongshun Hao, Hongman Hou, and Gongliang Zhang. "Inhibitory Effect of Phenethyl Isothiocyanate on the Adhesion and Biofilm Formation of Staphylococcus aureus and Application on Beef." Foods 13, no. 21 (2024): 3362. http://dx.doi.org/10.3390/foods13213362.

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This study aimed to explore the mechanism by which phenethyl isothiocyanate (PEITC) inhibited the adhesion and biofilm formation of Staphylococcus aureus (S. aureus). PEITC exhibited antimicrobial efficacy against S. aureus, demonstrating a minimum inhibition concentration (MIC) of 1 mmol/L. PEITC exerted its antibacterial effect by disrupting cell membrane integrity, and it decreased total adenosine triphosphate (ATP) production after 1 and 4 h treatment. PEITC at 0.5 mmol/L increased the level of intracellular reactive oxygen species (ROS) by 26.39% compared to control. The mature biofilm of

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A. Karam, Abdelrahman, Diab F. Alhaddad, and Hassan M. Sakr. "Evaluation of Microbial Adhesion and Level of Secretory Immunoglobulin A (SIGA) in Patients with Different Denture Base Materials." Al-Azhar Journal of Dental Science 21, no. 1 (2018): 73–78. http://dx.doi.org/10.21608/ajdsm.2020.71478.

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CRUZ, Kevin Henrique, Franciele de Oliveira DIAS, Laís Stabile PRONI, Maria Letícia Oliveira e. FREITAS, Mayara Signori DANTAS, and Gabriely Cristinni REZENDE. "AVALIAÇÃO IN VITRO DA INFLUÊNCIA DOS PROTOCOLOS DE POLIMENTOS NA ADESÃO BACTERIANA NA RESINA COMPOSTA." UNIFUNEC CIENTÍFICA MULTIDISCIPLINAR 11, no. 13 (2022): 1–8. http://dx.doi.org/10.24980/ucm.v11i13.5896.

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O processo carioso pode provocar alterações morfológicas e funcionais, sendo o Streptoccus muttans um dos microrganismos mais comuns devido a sua capacidade de aderência sobre a superfície da estrutura dentária. Os danos causados podem ser recuperados a partir de técnicas restauradoras do elemento dental. Estudos têm demostrado que o uso de protocolos de polimento e acabamento torna a superfície mais lisa, dificultando a adesão microbiana e, consequentemente, recidivas. Logo, o objetivo deste estudo foi avaliar in vitro, a influência do uso das tiras Sof-Lex na adesão bacteriana aos materiais

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Rodrigues, Rodrigo Araújo Lima, Ludmila Karen dos Santos Silva, Fábio Pio Dornas, et al. "Mimivirus Fibrils Are Important for Viral Attachment to the Microbial World by a Diverse Glycoside Interaction Repertoire." Journal of Virology 89, no. 23 (2015): 11812–19. http://dx.doi.org/10.1128/jvi.01976-15.

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ABSTRACTAcanthamoeba polyphaga mimivirus(APMV) is a giant virus from theMimiviridaefamily. It has many unusual features, such as a pseudoicosahedral capsid that presents a starfish shape in one of its vertices, through which the ∼1.2-Mb double-stranded DNA is released. It also has a dense glycoprotein fibril layer covering the capsid that has not yet been functionally characterized. Here, we verified that although these structures are not essential for viral replication, they are truly necessary for viral adhesion to amoebae, its natural host. In the absence of fibrils, APMV had a significantl

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Lukova, O. A., M. I. Zaslavskaya, T. V. Makhrova, V. S. Kropotov, and E. V. Kitaeva. "Expression of toll-like and adhesive receptors on epithelial cells of the oral mucosa in periodontitis." Russian Clinical Laboratory Diagnostics 65, no. 10 (2020): 645–48. http://dx.doi.org/10.18821/0869-2084-2020-65-10-645-648.

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The expression of toll-like and adhesive receptors on epithelial cells of the oral mucosa changes in different pathological conditions, both local and systemic levels, in particular, in chronic periodontitis. The long-term presence of periodontal pathogenic microorganisms in the gingival furrow stimulates and supports the inflammatory process. The interaction of periodontal pathogens with epithelial cells of the oral mucosa is the first stage of the development of periodontitis. The pathological process affects the function of epithelial cells, in particular their ability to interact with repr

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Touhami, Ahmed, Barbara Hoffmann, Andrea Vasella, Frédéric A. Denis, and Yves F. Dufrêne. "Aggregation of yeast cells: direct measurement of discrete lectin–carbohydrate interactions." Microbiology 149, no. 10 (2003): 2873–78. http://dx.doi.org/10.1099/mic.0.26431-0.

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Aggregation of microbial cells mediated by specific interactions plays a pivotal role in the natural environment, in medicine and in biotechnological processes. Here we used atomic force microscopy (AFM) to measure individual lectin–carbohydrate interactions involved in the flocculation of yeast cells, an aggregation event of crucial importance in fermentation technology. AFM probes functionalized with oligoglucose carbohydrates were used to record force-distance curves on living yeast cells at a rate of 0·5 μm s−1. Flocculating cells showed adhesion forces of 121±53 pN, reflecting the specifi

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Manivasagam, Vignesh K., and Ketul C. Popat. "Improved Hemocompatibility on Superhemophobic Micro–Nano-Structured Titanium Surfaces." Bioengineering 10, no. 1 (2022): 43. http://dx.doi.org/10.3390/bioengineering10010043.

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Blood-contacting titanium-based implants such as endovascular stents and heart valve casings are prone to blood clotting due to improper interactions at the surface level. In complement, the current clinical demand for cardiovascular implants is at a new apex. Hence, there is a crucial necessity to fabricate an implant with optimal mechanical properties and improved blood compatibility, while simultaneously interacting differentially with cells and other microbial agents. The present study intends to develop a superhydrophobic implant surface with the novel micro–nano topography, developed usi

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Buszewski, Bogusław, Agnieszka Rogowska, Paweł Pomastowski, Michał Złoch, and Viorica Railean-Plugaru. "Identification of Microorganisms by Modern Analytical Techniques." Journal of AOAC INTERNATIONAL 100, no. 6 (2017): 1607–23. http://dx.doi.org/10.5740/jaoacint.17-0207.

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Abstract Rapid detection and identification of microorganisms is a challenging and important aspect in a wide range of fields, from medical to industrial, affecting human lives. Unfortunately, classical methods of microorganism identification are based on time-consuming and labor-intensive approaches. Screening techniques require the rapid and cheap grouping of bacterial isolates; however, modern bioanalytics demand comprehensive bacterial studies at a molecular level. Modern approaches for the rapid identification of bacteria use molecular techniques, such as 16S ribosomal RNA gene sequencing

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Reddy, Krishna Satish, Kanakapady Sumangala Bhat, Yelegara Ravikumar Siddappa, and Makri Nimbegondi Kotresh Harish. "Effect of MwCNTs functionalized gallic acid resin and its metal complex composites on biofilms of microbial pathogens." Research Journal of Biotechnology 17, no. 9 (2022): 98–106. http://dx.doi.org/10.25303/1709rjbt980106.

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MwCNTs functionalized gallic acid resin and its metal complexes of Zn, Cu, Ni and Co (M_PGaMwCNT) were successfully synthesized and characterized. The impact of M_PGaMwCNT at 100 μg/mL on preventing and controlling biofilms produced by Streptococcus mutans, Enterococcus faecalis and Escherichia coli was investigated. The influence of M_PGaMwCNT on biofilm mass was measured through crystal violet assay and the extracellular polymeric substance (EPS) was quantified using phenol sulphuric acid assay. All the selected bacterial pathogens exhibited a maximum level of bacteriostatic activity at 100

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Pius, Alexa K., Masakazu Toya, Qi Gao, Yasemin Sude Ergul, Simon Kwoon-Ho Chow, and Stuart Barry Goodman. "Effects of Aging on Osteosynthesis at Bone–Implant Interfaces." Biomolecules 14, no. 1 (2023): 52. http://dx.doi.org/10.3390/biom14010052.

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Joint replacement is a common surgery and is predominantly utilized for treatment of osteoarthritis in the aging population. The longevity of many of these implants depends on bony ingrowth. Here, we provide an overview of current techniques in osteogenesis (inducing bone growth onto an implant), which is affected by aging and inflammation. In this review we cover the biologic underpinnings of these processes as well as the clinical applications. Overall, aging has a significant effect at the cellular and macroscopic level that impacts osteosynthesis at bone-metal interfaces after joint arthro

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Plazyo, Olesya, Juan-Juan Sheng, and J. P. Jin. "Downregulation of calponin 2 contributes to the quiescence of lung macrophages." American Journal of Physiology-Cell Physiology 317, no. 4 (2019): C749—C761. http://dx.doi.org/10.1152/ajpcell.00036.2019.

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Calponin 2 is an actin cytoskeleton-associated regulatory protein that inhibits the activity of myosin-ATPase and cytoskeleton dynamics. Recent studies have demonstrated that deletion of calponin 2 restricts the proinflammatory activation of macrophages in atherosclerosis and arthritis to attenuate the disease progression in mice. Here we demonstrate that the levels of calponin 2 vary among different macrophage populations, which may reflect their adaptation to specific tissue microenvironment corresponding to specific functional states. Interestingly, lung resident macrophages express signifi

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Beaussart, Audrey, and Sofiane El-Kirat-Chatel. "Microbial adhesion and ultrastructure from the single-molecule to the single-cell levels by Atomic Force Microscopy." Cell Surface 5 (December 2019): 100031. http://dx.doi.org/10.1016/j.tcsw.2019.100031.

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Kasela, Martyna, Sylwia Andrzejczuk, Dorota Pietras-Ożga, and Mateusz Ossowski. "Bacterial Contamination of Parcel Vending Machines in Lublin, Poland." Applied Sciences 14, no. 23 (2024): 11267. https://doi.org/10.3390/app142311267.

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Parcel vending machines (PVMs) are receiving more recognition as an environmentally friendly last-mile delivery service. However, their high popularity creates the risk of microbial contamination of touchscreens and keypads resulting in the spread of pathogens in humans. The study aimed at assessing the degree of bacterial contamination of PVMs and characterizing the microbial population using mass spectrometry-based identification. In total, 64 PVMs located in 16 districts of city Lublin (Poland) were studied for the total number of aerobic bacteria (TNAB) using contact plates, whereas bacter

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Stepanskyi, D. O., G. M. Kremenchutsky, V. I. Chuyko, I. P. Koshova, O. V. Khomiak, and T. Y. Krushynska. "HYDROGEN PEROXIDE PRODUCTION ACTIVITY AND ADHESIVE PROPERTIES OF AEROCOCCI, ISOLATED IN WOMEN." Annals of Mechnikov Institute, no. 2 (June 7, 2017): 53–56. https://doi.org/10.5281/zenodo.803870.

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<strong>Introduction. </strong>Antagonistic activity of probiotic microorganisms against other species of bacteria is an important mechanism of their ecology and it is widely used in practice. This activity is inherent in many heme-deficient bacteria, which include aerococci, and can be composed of several components: the production of organic acids, antibiotics, lysozyme, hydrogen peroxide and others. Ability to produce hydrogen peroxide under aerobic conditions and in a state of relative anaerobiosis was established in aerococci. They were divided into strong and weak producers, depending on

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Lei, Lijuan, Minghua Chen, Chenyin Wang та ін. "Trichostatin D as a Novel KLF2 Activator Attenuates TNFα-Induced Endothelial Inflammation". International Journal of Molecular Sciences 23, № 21 (2022): 13477. http://dx.doi.org/10.3390/ijms232113477.

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Krüppel-like factor 2 (KLF2) is an atherosclerotic protective transcription factor that maintains endothelial cell homeostasis through its anti-inflammatory, anti-oxidant, and antithrombotic properties. The aim of this study was to discover KLF2 activators from microbial secondary metabolites and explore their potential molecular mechanisms. By using a high-throughput screening model based on a KLF2 promoter luciferase reporter assay, column chromatography, electrospray ionization mass spectrometry (ESI-MS), and nuclear magnetic resonance (NMR) spectra, trichostatin D (TSD) was isolated from t

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Canullo, Luigi, Tullio Genova, Giorgia Chinigò, et al. "Vacuum Plasma Treatment Device for Enhancing Fibroblast Activity on Machined and Rough Titanium Surfaces." Dentistry Journal 12, no. 3 (2024): 71. http://dx.doi.org/10.3390/dj12030071.

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This study was conducted to compare the effects of an innovative plasma surface treatment device that does not need a gas supply for titanium disks with two different surface topographies: the prototypical machined surface (MAC) and one of the most diffused roughened ones (SL) obtained through grit blasting and acid etching. A total of 200-MAC and 200-SL titanium disks were used. Each group of disks was divided into four sub-groups of 40 samples each that were subjected to five different tests. Among these, 150-MAC and 150-SL were considered the test group, and they were treated with plasma fo

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Amhadova, Malkan Abdrashitova, D. Yu Rahaeva, S. N. Garazha, et al. "EFFICIENCY THE HYGIENIC PROPERTIES OF CLASP DENTURES FOR PATIENTS WITH MISSING TEETH AND PERIODONTITIS." Russian Journal of Dentistry 22, no. 6 (2018): 285–87. http://dx.doi.org/10.18821/1728-2802-2018-22-6-285-287.

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The ability to penetrate conditionally pathogenic microflora from defects of the oral mucosa, from the surface of dentures and tissues of the prosthetic bed into the bloodstream is extremely dangerous for the body. The method of evaluation of colonization of opportunistic microflora in the experiment in-vitro alloy samples for the manufacture of clasp prostheses allows to objectively assess the level of bacterial contamination of dental materials and predict the effectiveness of hygienic measures removable dentures, which is especially important in patients with inflammatory periodontal diseas

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Mai, Guoqin, Limei Chen, Ran Li, Quan Liu, Haoran Zhang, and Yingfei Ma. "Common Core Bacterial Biomarkers of Bladder Cancer Based on Multiple Datasets." BioMed Research International 2019 (June 19, 2019): 1–8. http://dx.doi.org/10.1155/2019/4824909.

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Recent studies have shown that microorganisms may be associated with the onset and development of bladder cancer. The purpose of this study is to identify the common core bacteria associated with bladder cancer. We characterized the urinary microbial profile of the individuals with bladder cancer by 16S rRNA gene sequencing, and the results of 24 bladder cancer samples collected in our laboratory reveal 31 common core bacteria at genera level. In addition, the abundance of four common core bacteria is significantly higher in bladder cancer samples than in samples from nondiseased people analyz

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Davidovich, N. V., A. S. Galieva, N. N. Kukalevskaya та ін. "Endothelial dysfunction in the pathogenesisз of inflammatory periodontal diseases". YAKUT MEDICAL JOURNAL 83, № 3 (2023): 64–88. https://doi.org/10.25789/ymj.2023.83.21.

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Manifestations of endothelial dysfunction that occur in response to microbial invasion in inflammatory periodontal diseases may underlie the occurrence and progression of these diseases. The aim of the study was to determine the level of secretion of adhesive molecules of the selectin family and the superfamily of immunoglobulins in the gingival/periodontal pocket and their relationship with marker periodontal pathogens. For the study, flushes of the gingival pocket (a total of 88 samples) of patients with chronic generalized periodontitis and intact periodontitis were obtained. The content of

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Reichel, Susan, Eberhard Janneck, Diana Burghardt, et al. "Microbial Production of Schwertmannite: Development from Microbial Fundamentals to Marketable Products." Solid State Phenomena 262 (August 2017): 568–72. http://dx.doi.org/10.4028/www.scientific.net/ssp.262.568.

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Pumped groundwater in the lignite open-cast mines in Lusatia, Germany, contains a high level of ferrous iron (up to 1000 mg/L) at an initial pH of about 5. In recent R&D projects G.E.O.S. developed an innovative water treatment process for ferrous iron oxidation using the autochthonous microbial consortium in the mine water. The pilot plant is operated in the Nochten open-pit mine in cooperation with the LEAG and produces 5 – 10 t of schwertmannite per year. Extensive research work was carried out in parallel to utilize the produced schwertmannite. Pigment production proved to be technical

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Xia, Yu, та Gordon D. Ross. "Generation of Recombinant Fragments of CD11b Expressing the Functional β-Glucan-Binding Lectin Site of CR3 (CD11b/CD18)". Journal of Immunology 162, № 12 (1999): 7285–93. http://dx.doi.org/10.4049/jimmunol.162.12.7285.

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Abstract CR3 (Mac-1; αMβ2 integrin) functions as both a receptor for the opsonic iC3b fragment of C3 triggering phagocytosis or cytotoxicity and an adhesion molecule mediating leukocyte diapedesis. Recent reports have suggested that a CR3 lectin site may be required for both cytotoxic responses and adhesion. Cytotoxic responses require dual recognition of iC3b via the I domain of CD11b and specific microbial surface polysaccharides (e.g., β-glucan) via a separate lectin site. Likewise, adhesion requires a lectin-dependent membrane complex between CR3 and CD87. To characterize the lectin site f

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Hu, Jun, Chao Ran, Suxu He, et al. "Dietary microbial phytase exerts mixed effects on the gut health of tilapia: a possible reason for the null effect on growth promotion." British Journal of Nutrition 115, no. 11 (2016): 1958–66. http://dx.doi.org/10.1017/s0007114516001240.

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AbstractThe present study evaluated the effects of dietary microbial phytase on the growth and gut health of hybrid tilapia (Oreochromis niloticus♀×Oreochromis aureus♂), focusing on the effect on intestinal histology, adhesive microbiota and expression of immune-related cytokine genes. Tilapia were fed either control diet or diet supplemented with microbial phytase (1000 U/kg). Each diet was randomly assigned to four groups of fish reared in cages (3×3×2 m). After 12 weeks of feeding, weight gain and feed conversion ratio of tilapia were not significantly improved by dietary microbial phytase

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Al-Hasani, Fatimah J., and Emad S. Al-Hassani. "Preparation and Characterization of Anti-Microbial Wound Healing Materials from Natural Origins." Journal of Physics: Conference Series 2857, no. 1 (2024): 012028. http://dx.doi.org/10.1088/1742-6596/2857/1/012028.

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Abstract Many types of polymers utilized as wound dressings, Polycaprolactone (PCL) displays high degree of biocompatibility as well as biodegradability, the mechanical strength states PCL in the foreground materials used in wound healing therapies. Current work aims to develop new types of wound plaster dressing, a multiple of natural and medical materials (aloe Vera, calendula and phenobarbital) were used to enhance the anti-microbial behavior as well as pain removal during wound healing period. Aloe Vera gels, Calendula extraction, with phenobarbital drug were precipitates on PCL layer in d

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Su, E. P., D. F. Justin, C. R. Pratt, et al. "Effects of titanium nanotubes on the osseointegration, cell differentiation, mineralisation and antibacterial properties of orthopaedic implant surfaces." Bone & Joint Journal 100-B, no. 1_Supple_A (2018): 9–16. http://dx.doi.org/10.1302/0301-620x.100b1.bjj-2017-0551.r1.

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The development and pre-clinical evaluation of nano-texturised, biomimetic, surfaces of titanium (Ti) implants treated with titanium dioxide (TiO2) nanotube arrays is reviewed. In vitro and in vivo evaluations show that TiO2 nanotubes on Ti surfaces positively affect the osseointegration, cell differentiation, mineralisation, and anti-microbial properties. This surface treatment can be superimposed onto existing macro and micro porous Ti implants creating a surface texture that also interacts with cells at the nano level. Histology and mechanical pull-out testing of specimens in rabbits indica

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Sztyler, Klaudia, Magdalena Pajączkowska, Joanna Nowicka, et al. "Assessment of the Physico-Chemical, Microbial, and Cytotoxic Characteristics of Zirconia Crowns Utilized in Pediatric Dentistry." Applied Sciences 15, no. 10 (2025): 5444. https://doi.org/10.3390/app15105444.

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Zirconia crowns are employed in pediatric dentistry for the complete restoration of anterior and posterior deciduous teeth. They are considered the best option due to their esthetic appeal, high strength, biocompatibility, and resistance to wear and corrosion. This study aims to evaluate the physico-chemical, cytological, and microbial properties of zirconia crowns to determine their biocompatibility, safety for surrounding tissues, and effectiveness in preventing microbial influence on tooth tissue based on their biofilm deposition potential. XRD measurements were conducted to confirm the cro

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Pikuza, Olga I., Reseda A. Fayzullina, Alfiya M. Zakirova, and Elena A. Samorodnova. "Candida albicans adhesion on buccal epitheliocytes as an indicator of microbiota homeostatic balance in children with chronic gastroduodenitis." Kazan medical journal 103, no. 5 (2022): 744–50. http://dx.doi.org/10.17816/kmj2022-744.

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Background. Recently, the incidence of mycoses in patients with a gastroenterological profile has grown due to an increase in the intensity of the impact on the human body of external factors that cause disturbances in the antimycotic defense system. Aim. To study the adhesion of Candida albicans on buccal epitheliocytes in children with chronic gastroduodenitis. Material and methods. 96 children (mean age 12.431.24 years) with recurrent respiratory diseases with morphologically proven chronic gastroduodenitis associated with Helicobacter pylori were examined. The adhesion of Candi

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Xiao, Xiaofen, Shandan He, Fei He, Xiaoyun Wu, and Yuyan Zheng. "Metagenomic Analysis Reveals Neisseria bacilliformis Variation in the Early Childhood Caries Plaque Microbiome." Evidence-Based Complementary and Alternative Medicine 2021 (October 21, 2021): 1–7. http://dx.doi.org/10.1155/2021/2774772.

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The progression of early childhood caries (ECC) is caused by microbial colonized in dental plaque. However, the association framework both from 16s genus down to high resolution metagenomic strain level and from composition to genome function analysis on caries lacks. 16S rRNA sequence revealed the composition of 3–6 years dental caries (ECC, n = 29), and severe dental caries (SECC, n = 36) children are significantly different from caries-free controls (CF, n = 31). Especially, genus Neisseria is enriched in caries ( P < 0.05 ). Metagenomics sequence of 3 ECCs, 3 SECCs, and 3 CFs reveals Ne

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El-Jeni, Rim, Monia El Bour, Pilar Calo-Mata, et al. "In vitro probiotic profiling of novel Enterococcus faecium and Leuconostoc mesenteroides from Tunisian freshwater fishes." Canadian Journal of Microbiology 62, no. 1 (2016): 60–71. http://dx.doi.org/10.1139/cjm-2015-0481.

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Novel lactic acid bacteria isolated from different organs of freshwater fish were examined for their potential application as probiotics in raw and processed foods. Four isolates of Enterococcus faecium and Leuconostoc mesenteroides were identified at the molecular level by 16S rRNA sequencing and random amplification of polymorphic DNA – polymerase chain reaction, and their antimicrobial activity against a panel of pathogens and food-poisoning bacteria was investigated. The whole bacteriocins of the 4 isolates were characterized by enterobacterial repetitive intergenic consensus sequences in

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Yu, Yanbao, Tamara Tsitrin, Shiferaw Bekele, et al. "Aerococcus urinae and Globicatella sanguinis Persist in Polymicrobial Urethral Catheter Biofilms Examined in Longitudinal Profiles at the Proteomic Level." Biochemistry Insights 12 (January 2019): 117862641987508. http://dx.doi.org/10.1177/1178626419875089.

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Aerococcus urinae ( Au) and Globicatella sanguinis ( Gs) are gram-positive bacteria belonging to the family Aerococcaceae and colonize the human immunocompromised and catheterized urinary tract. We identified both pathogens in polymicrobial urethral catheter biofilms (CBs) with a combination of 16S rDNA sequencing, proteomic analyses, and microbial cultures. Longitudinal sampling of biofilms from serially replaced catheters revealed that each species persisted in the urinary tract of a patient in cohabitation with 1 or more gram-negative uropathogens. The Gs and Au proteomes revealed active gl

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Yanishen, IV, MV Sokhan, TP Osolodchenko, SV Ponomarenko, and DO Mezhybetskyi. "MICROECOLOGY OF THE MUCOUS MEMBRANE OF THE ALVEOLAR RIDGES IN THE PERIOD OF ADAPTATION TO COMPLETE DENTURES." Annals of Mechnikov Institute, no. 2 (November 18, 2016): 34–39. https://doi.org/10.5281/zenodo.167491.

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Introduction. The oral cavity is an open ecosystem for various microorganisms and is one of the most populated biotopes of human. Removable dental prosthesis creates favorable conditions for the breeding of various microorganisms, including fungi. Stomatitis of dentition (SOD) refers to a group of the most frequent pathologies of the mucous membranes of the oral cavity inflammatory character, due to the presence of the patient's dental prosthesis. For the prevention of SOD due to removable prostheses are used proper hygiene of dental prostheses, manufacture of technologically optimal designs o

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Amaral, Débora Conceição da Silva, Hueliton Borchardt, Victor Targino Gomes, et al. "Effluents from a university clinical analysis teaching laboratory: an inductive study on adhesion and cellular response of Pseudomonas aeruginosa." Caderno Pedagógico 21, no. 6 (2024): e4750. http://dx.doi.org/10.54033/cadpedv21n6-044.

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Microbial resistance to antibiotics is a global threat and the World Health Organization (WHO) predicts that future pandemics will involve resistant microorganisms. Recently, the WHO published a list of pathogenic microbes whose priority level varies among medium, high and critical. All bacteria in the list can form biofilms. Biofilms are structures made of polymeric adhesive matrix composed by multispecies in close association. Additionally, biofilm provides an important physical barrier. Different phenotypes are found in biofilms, ensuring resistance to oxidative stress, as well as environme

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Ghrayeb, Mnar, Shahar Hayet, Neta Lester-Zer, Yael Levi-Kalisman, and Liraz Chai. "Fibrilar Polymorphism of the Bacterial Extracellular Matrix Protein TasA." Microorganisms 9, no. 3 (2021): 529. http://dx.doi.org/10.3390/microorganisms9030529.

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Functional amyloid proteins often appear as fibers in extracellular matrices of microbial soft colonies. In contrast to disease-related amyloid structures, they serve a functional goal that benefits the organism that secretes them, which is the reason for the title “functional”. Biofilms are a specific example of a microbial community in which functional amyloid fibers play a role. Functional amyloid proteins contribute to the mechanical stability of biofilms and mediate the adhesion of the cells to themselves as well as to surfaces. Recently, it has been shown that functional amyloid proteins

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Hendrickx, Antoni P. A., Miranda van Luit-Asbroek, Claudia M. E. Schapendonk, et al. "SgrA, a Nidogen-Binding LPXTG Surface Adhesin Implicated in Biofilm Formation, and EcbA, a Collagen Binding MSCRAMM, Are Two Novel Adhesins of Hospital-Acquired Enterococcus faecium." Infection and Immunity 77, no. 11 (2009): 5097–106. http://dx.doi.org/10.1128/iai.00275-09.

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ABSTRACT Hospital-acquired Enterococcus faecium isolates responsible for nosocomial outbreaks and invasive infections are enriched in the orf2351 and orf2430 genes, encoding the SgrA and EcbA LPXTG-like cell wall-anchored proteins, respectively. These two surface proteins were characterized to gain insight into their function, since they may have favored the rapid emergence of this nosocomial pathogen. We are the first to identify a surface adhesin among bacteria (SgrA) that binds to the extracellular matrix molecules nidogen 1 and nidogen 2, which are constituents of the basal lamina. EcbA is

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Subroto, Eefje, Jacq van Neer, Ivan Valdes, and Hans de Cock. "Growth of Aspergillus fumigatus in Biofilms in Comparison to Candida albicans." Journal of Fungi 8, no. 1 (2022): 48. http://dx.doi.org/10.3390/jof8010048.

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Biofilm formation during infections with the opportunistic pathogen Aspergillus fumigatus can be very problematic in clinical settings, since it provides the fungal cells with a protective environment. Resistance against drug treatments, immune recognition as well as adaptation to the host environment allows fungal survival in the host. The exact molecular mechanisms behind most processes in the formation of biofilms are unclear. In general, the formation of biofilms can be categorized roughly in a few stages; adhesion, conidial germination and development of hyphae, biofilm maturation and cel

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Santiago, Nivia I., Allan Zipf, and Arun K. Bhunia. "Influence of Temperature and Growth Phase on Expression of a 104-Kilodalton Listeria Adhesion Protein inListeria monocytogenes." Applied and Environmental Microbiology 65, no. 6 (1999): 2765–69. http://dx.doi.org/10.1128/aem.65.6.2765-2769.1999.

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ABSTRACT Interaction of Listeria monocytogenes with mammalian intestinal cells is believed to be an important first step inListeria pathogenesis. Transposon (Tn916) mutagenesis provided strong evidence that a 104-kDa surface protein, designated the Listeria adhesion protein (LAP), was involved in adherence of L. monocytogenes to a human enterocyte-like Caco-2 cell line (V. Pandiripally, D. Westbrook, G. Sunki, and A. Bhunia, J. Med. Microbiol. 48:117–124, 1999). In this study, expression of LAP in L. monocytogenes at various growth temperatures (25, 37, and 42°C) and in various growth phases w

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Xue, Jiangpeng, Xinyue Lu, Lianghuan Wei, Xianghao Zha, and Wenjie Xu. "Enhanced Removal of Nitrate and Tetracycline by Bacillus cereus W2 Immobilized on Biochar." Water 17, no. 3 (2025): 380. https://doi.org/10.3390/w17030380.

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Abstract: The co-contamination of nitrate nitrogen (NO3−-N) and tetracycline (TC) in aquaculture water has caused serious environmental and health problems. Bioremediation is a promising approach for the removal of NO3−-N and TC. However, free bacteria are sensitive to environmental variation, limiting its application. In this study, a bacterial strain with high NO3−-N and TC degradation ability, Bacillus cereus W2, was isolated and immobilized on wheat straw biochar by an adsorption method. The effect of immobilization conditions, including biochar dosage, inoculum amount, and immobilization

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Smorodin, Eugeniy, Boris Sergeyev, Oleg Kurtenkov, Tatiana Kuznetsova та Julia Geller. "IgG Antibodies to GlcNAcβand Asialo-GM2 (GA2) Glycans as Potential Markers of Liver Damage in Chronic Hepatitis C and the Efficacy of Antiviral Treatment". Disease Markers 2018 (2 грудня 2018): 1–13. http://dx.doi.org/10.1155/2018/4639805.

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Total serum IgG level is a surrogate marker of hepatitis C (HC) severity. Antibodies (Abs) to microbial glycans could be markers of HC severity caused by the translocation of microbial products. The level of anti-glycan (AG) Abs was analysed in serum samples of patients (n=128) with chronic HC in ELISA using fourteen synthetic glycans present in microbes and adhesins to evaluate the association of Abs with clinical parameters and the efficacy of antiviral treatment. The anti-GlcNAcβIgG level was significantly higher in patients with fibrosis (P=0.021) and severe portal inflammation (P<0.001

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Thomas, B. T., M. O. Efuntoye, R. M. Kolawole, O. D. Popoola, and A. O. Tajudeen. "Metagenomic tracking of microbial consortia of cassava flakes (garri)." Ife Journal of Science 23, no. 2 (2021): 75–82. http://dx.doi.org/10.4314/ijs.v23i2.8.

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The affirmation of several cross-sectional studies on the vulnerability of cassava flakes commonly called 'garri' to microbial attack has long been documented. However, longitudinal data on metagenomic tracking of microbial consortia of this important staple food are scarce. Hence, this study was aimed at tracking the microbial consortia of garri. A total of eight samples (four each from both Nigeria and Republic of Benin markets) were randomly collected aseptically using pre-sterilized aluminum pans and processed through a metagenomic approach, while both the chemical and proximate components

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KH, KAMILOV, R. IBRAGIMOVA M. KH., ABDUVAKHOBOVA D.A., and ADILKHODZHAYEVA Z. KH. "MICROBIOLOGICAL CHARACTERISTICS OF THE ORAL MUCOSAIN PATIENTS WITH LICHEN PLANUS ERYTHEMATOSUS." International Journal of Medical Science and Dental Health 10, no. 10 (2024): 01–08. http://dx.doi.org/10.55640/ijmsdh-10-10-01.

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Lichen planus is a multifactorial disease that involves immune, neuroendocrine, microbiological, and other metabolic processes associated with skin and mucosal damage. The microflora of the oral cavity in CPL SOPR was studied by E. S. Leontieva etal., 2014, the microbiocenosis of various biotopes of the oral cavity in patients with CPL SOPR was studied. The study involved 95 patients with CPL SOPR, who underwent hygienic, periodontal and microbiological research methods. The results of the degree of bacterial contamination indicate a more pronounced colonization of foci of CPL lesion by repres

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