Stenotrophomonas maltophilia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mucoid lactose fermenting (MLF) colony of Klebsiella pneumoniae and non-lactose fermenting (NLF) colony of Stenotrophomonas maltophilia on MacConkey medium of clinical specimen-sputum culture

Introduction Stenotrophomonas maltophilia is a Gram-negative bacterium that belongs to the class Gammaproteobacteria. It is an opportunistic pathogen known for its ability to cause infections, particularly in individuals with compromised immune systems or underlying health conditions. The bacterium was initially considered to be of low …

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Microsporum ferrugineum: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Microsporum ferrugineum in LPCB taese mount of culture microscopy showing typical bamboo hyphae and lacking production of both microconidia and macroconidia

Introduction Microsporum ferrugineum is a species of dermatophytic fungus that belongs to the genus Microsporum. Dermatophytes are a group of fungi that are capable of infecting and colonizing the outer layers of the skin, hair, and nails, causing various dermatophytosis or “ringworm” infections in humans …

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Achromobacter xylosoxidans: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram negative rods (GNRs) or Gram negative bacilli (GNBs)of Achromobacter xylosoxidans in Gram staining of culture microscopy

Introduction Achromobacter xylosoxidans is a gram-negative, non-fermenting bacterium that belongs to the family Alcaligenaceae. It is an aerobic, rod-shaped bacterium known for its versatile metabolic capabilities and its widespread distribution in various environments, including soil, water, and hospital settings. Originally classified as Alcaligenes xylosoxidans, the …

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Scopulariopsis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Chains of single-celled conidia and conidiophores(annellides) of Scopulariopsis in LPCB Tease mount of culture microscopy

Introduction Scopulariopsis is a genus of filamentous fungi belonging to the class Ascomycota. It is a widespread and diverse group of fungi found in various environmental niches. Scopulariopsis species (they) are commonly present in soil, decaying organic matter, and indoor environments. The name “Scopulariopsis” is …

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Fusarium oxysporum: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Fusarium oxysporum growth on SDA tube

Introduction Fusarium oxysporum is a filamentous fungus belonging to the genus Fusarium. It is a widespread and economically significant plant pathogen that affects a wide range of crops, causing various diseases collectively known as “Fusarium wilt” or “Fusarium yellows.” This pathogen can infect over 100 …

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Fusarium solani: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Macroconidia and conidiophores of Fusarium solani in LPCB tease mount of culture

Introduction Fusarium solani is a filamentous fungus belonging to the genus Fusarium. It is commonly found in the soil and is recognized as one of the most versatile and widespread species within the Fusarium genus. This fungus is known for its ecological importance, as it …

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Aspergillus fumigatus: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Aspergillus fumigatus colony morphology on Czapek-Dox agar plate

Introduction Aspergillus fumigatus is a filamentous fungus and one of the most common and clinically relevant species in the Aspergillus genus. It is widely distributed in the environment and can be found in soil, compost, decaying vegetation, and indoor environments. It is known for its …

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Candida krusei: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Colony morphology of Candida krusei on SDA plate

Introduction Candida krusei is a species of yeast that belongs to the Candida genus. It is an opportunistic fungal pathogen known to cause infections in humans, particularly those with compromised immune systems or underlying medical conditions. C. krusei is an important member of the Candida …

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