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13 articles for “opportunistic pathogens”
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Isolation of Fungi from Infected Skin and Scalp
Abstract: The objective of this study was to isolate fungi from infected skin and scalp from persons suffering with dandruff. Skin scrapings were collected from patients of different ages and of both genders, suffering from various fungal diseases, and were transferred on to Sabouraud dextrose agar medium to isolate the fungi present in the infected tissues. The fungal colonies isolated were stained and observed microscopically to aid in their identification. Eight …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 4, Issue 2, 2014 · pp. 24–31 Read article
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Antifungal Susceptibility Pattern of Candida Species Isolates from Dehradun City Hospitals
Abstract: The present investigation on the topic entitled “Antifungal susceptibility analysis of Candida species isolates from Dehradun City hospital.” was accomplished in the Doon University Microbiology laboratory (P.G.) and Hospital, Dehradun, Uttarakhand, during the period of February 2021 to July 2021. A total of 42 clinical samples were collected from patients, suspected of candidiasis from Dehradun city hospitals. Clinical samples were collected from oral cavity, blood, vaginal fluid and urine of …
Published in Research and Reviews : A Journal of Immunology · Vol. 14, Issue 1, 2024 · pp. 12–29 Read article
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Antifungal Susceptibility Pattern of Candida Species Isolates from Dehradun City Hospitals
Abstract: The present investigation on the topic entitled “Antifungal susceptibility analysis of Candida species isolates from Dehradun City hospital.” was accomplished in the Doon University Microbiology laboratory (P.G.) and Hospital, Dehradun, Uttarakhand, during the period of February 2021 to July 2021. A total of 42 clinical samples were collected from patients, suspected of candidiasis from Dehradun city hospitals. Clinical samples were collected from oral cavity, blood, vaginal fluid and urine of …
Published in Research and Reviews : A Journal of Immunology · Vol. 12, Issue 2, 2022 · pp. 12–28 Read article
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Clinical Fusariosis in India: Taxonomy, Pathogenesis, and Therapeutic Challenges
Abstract: Fusarium species are emerging opportunistic pathogens in humans, responsible for a wide spectrum of infections ranging from superficial keratitis and onychomycosis to life-threatening disseminated disease in immunocompromised hosts. Historically regarded as plant pathogens and environmental saprophytes, these hyaline moulds have become clinically relevant with the increasing use of intensive chemotherapy, haematopoietic stemcell and solidorgan transplantation, and widespread use of broadspectrum antibiotics and corticosteroids. In India, Fusarium assumes particular importance due …
Published in International Journal of Pathogens · Vol. 3, Issue 2, 2026 Read article
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A Study for the Presence of Enterococcal Virulence Factors Gelatinase, Haemolysin among Clinical Isolates in a Tertiary Care Hospital
Abstract: Enterococcus, considered a normal commensal of intestinal tract, is fast emerging pathogen causing serious infection. Despite the increasing importance of Enterococcus as opportunistic pathogens, their virulence factors are still poorly understood. The potential virulence factors of Enterococci include production of enterococcal surface protein (Esp), gelatinase, and haemolysin. Gelatinase- and haemolysin-producing strains of Enterococcus faecalis have been shown to be virulent in animal models of enterococcal infections. This study was undertaken …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 7, Issue 3, 2017 · pp. 14–18 Read article
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Curvularia spp. and Curvularia Infections: A Comprehensive Review
Abstract: Curvularia spp., dematiaceous (melanin-pigmented) fungi in the family Pleosporaceae, emerge as opportunistic pathogens that cause phaeohyphomycosis, allergic fungal rhinosinusitis, and keratitis. This review dissects their pathogenesis via melanized cell walls, conferring tissue invasion, protease secretion, and immune evasion in immunocompromised hosts. Clinical manifestations span cutaneous (70%), sinopulmonary (20%), disseminated (5-10%), and CNS forms, mimicking aspergillosis or mucormycosis. Laboratory diagnosis hinges on histopathology (irregular septate hyphae, 3-8 µm, brown on Fontana-Masson), …
Published in International Journal of Fungi · Vol. 3, Issue 2, 2026 Read article
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An Update on the Virulence Factors of Actinobacillus Actinomycetemcomitans A Systematic Review
Abstract: Over the last 20 years, research on Actinobacillus actinomycetemcomitans (Aa) a periodontopathogen, has provided a tremendous amount of information as a major anaerobic, opportunistic pathogen. Elucidation of the virulence in Aa is especially difficult because of this bacteri pathogenicity being multifaceted, including both microbial and host factors and the inability to clearly define the disease state of many forms of destructive periodontal disease. The objectives of this study were to …
Published in Research and Reviews: A Journal of Dentistry · Vol. 2, Issue 1-3, 2011 · pp. 5–13 Read article
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Progress from the Traditional Vaccines to Novel Rational Vaccine Designs
Abstract: Vaccines are among the most valuable assets for saving human and animal lives. The vaccines discovered and designed on the Pasteurian principles laid the foundations of the traditional vaccine regime during the late-19th century. Some traditional vaccine designs proved remarkably successful, while others had safety or efficacy problems, and still others failed- particularly those against diseases caused by non-cultivable, hyper-variable or opportunist pathogens, or those requiring cellular immunity. The problems …
Published in Research and Reviews : A Journal of Immunology · Vol. 6, Issue 3, 2016 · pp. 17–31 Read article
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Cronobacter sakazakii and Its Significance in Dairy Industry
Abstract: Cronobacter sakazakii is an emerging opportunistic human pathogen of immense importance to food industry. The organism is found to be responsible for life-threatening bacterial infections such as necrotizing enterocolitis, bacteremia, and meningitis in neonates and infants with a high mortality rate. It has the ability to form biofilms and can survive in desiccated environments such as milk powder, powdered infant formulae for long period of time. It possesses antibiotic resistance …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 6, Issue 3, 2017 · pp. 1–7 Read article
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Detection and Identification of Fungal Pathogens by Multiplex PCR in Pulmonary Tuberculosis Patients in Kancheepuram
Abstract: Tuberculosis is a common infection in developing countries. Pulmonary tuberculosis is the most commonly associated disease in cases of secondary aspergilloma. Fungus infection is gradually becoming commoner and has been difficult to evaluate since diagnoses were seldom confirmed. Multiplex PCR method provides a rapid, simple, and reliable alternative to conventional methods to identify common clinical fungal isolates. Hence, this study was taken up to find the fungal co-infections among TB …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 3, Issue 2, 2013 · pp. 1–5 Read article
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Review: Virulence factors, resistance genes and pathogenicity of Moraxella catarrhalis
Abstract: An estimated 2-4 million cases of chronic obstructive pulmonary disease(COPD) in adults are exacerbated by Moraxella catarrhalis annually in the US, making it a pathogen of increasing significance for respiratory tract infections. It often colonizes the nasopharynx without causing any symptoms and an opportunistic bacterial infection of the respiratory mucosa that is exclusive to humans. In our study, we reviewed references about the important virulence factors that M. catarrhalis possess …
Published in Recent Trends in Infectious Diseases · Vol. 2, Issue 1, 2025 · pp. 33–40 Read article
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A Short Review on Mucormycosis/Black fungus
Abstract: The present article provides an outline regarding the mucormycosis, an angio invasive infection and an opportunistic condition with fungal infection that mainly targets the people who are with weaker immunity unable to fight with environmental pathogens due to other health related problems and people who are on long term medication and the present paper has been covered with all the information regarding the Predisposing factors, suspected diseased conditions, Targeted organs/tissues …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 10, Issue 1, 2021 · pp. 12–15 Read article
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Xenopsylla cheopis and Plague: Biology, Transmission, and Control
Abstract: Xenopsylla cheopis, the oriental rat flea, remains the most important vector of Yersinia pestis in classical rodent–flea–human plague cycles. Its biology is tightly adapted to commensal rats, especially Rattus rattus and Rattus norvegicus, whose nests provide microhabitats that support all pre adult stages and favour persistent flea populations near humans. The flea’s holometabolous life cycle, including the capacity for prolonged pupal quiescence and opportunistic host-seeking by adults, underpins its ability …
Published in International Journal of Insects · Vol. 3, Issue 2, 2026 Read article