Healthcare-Transmitted

Stachybotrys chartarum

STRUCTURE AND PHYSIOLOGY Stachybotrys chartarum is a slow-growing but hardy mold that is most often found in cellulose-rich building materials in damp or water-damaged buildings. TRANSMISSION AND DISEASE The spores of Stachybotrys chartarum are only released when the mold is mechanically disturbed, especially when wet. Health problems related to this mold have...

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Staphylococcus haemolyticus

STRUCTURE AND PHYSIOLOGY Staphylococcus haemolyticus is a Gram-positive, coagulase-negative facultative anaerobe. Cells are typically coccus-shaped. Colonies are circular, raised, smooth with smooth margins, and white in color. TRANSMISSION AND DISEASE Staphylococcus haemolyticus is an opportunistic pathogen causing localized or systemic infections. Infections of Staphylococcus haemolyticus are often associated with the insertion of...

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Dekkera bruxellensis

STRUCTURE AND PHYSIOLOGY Dekkera bruxellensis is a facultative anaerobe with a low growth rate. Cream-colored, dull and rough looking colonies have been observed on malt extract agar. TRANSMISSION AND DISEASE Dekkera bruxellensis is often spread through wine production facilities by contaminated equipment or by fruit flies. Dekkera bruxellensis occurs in fermented foods....

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Mycobacterium chimera

STRUCTURE AND PHYSIOLOGY Mycobacterium chimera is classified as a non-tuberculosis Mycobacterium that is a member of the Mycobacterium avium complex (MAC). As a member of MAC, Mycobacterium chimera is characterized as gram-positive, non-motile, and acid-fast-positive bacteria. TRANSMISSION AND DISEASE Mycobacterium chimera is an opportunistic pathogen responsible for respiratory infection mainly in immunocompromised...

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Staphylococcus aureus

Staphylococcus aureus

Structure and PhysiologyStaphylococcus aureus is a Gram-positive, coccal-shaped, facultative anaerobic bacterium. During binary fission, the two daughter cells that are produced do not completely separate. Incomplete separations of the cells result in the cluster formation. S. aureus is a catalase-positive bacterium that is able to combat the electronegative oxidizing...

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Acinetobacter baumannii

Acinetobacter baumannii

Structure and Phisiology This bacteria is a Gram-negative, rod-shaped aerobe. A. baumannii can be responsible for infections such as pneumonia and septicemia in immunodeficient patients. The natural reservoir of this organism remains to be determined. These are among a class of bacteria that are "naturally transformable" - meaning that the...

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Enterococcus faecium

Structure and Physiology Enterococcus faecium is a Gram-positive, coccal shaped, facultative anaerobic bacterium that can occur in pairs or chains. Its natural habitat includes the gastrointestinal tract, oral cavity, and vaginal tract of a wide variety of animals. The colonies that are produced appear wet and have an average size...

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Enterobacter aerogenes

Enterobacter aerogenes

Structure and Physiology This bacteria is Gram-negative, rod-shaped, and radially surrounded by flagellum. It can be found in dairy products, soil, and the gastrointestinal tract of animals. E. aerogenes is closely related to a wide range of other common microorganisms including Escherichia, Klebsiella, Shigella, and Serratia.    Transmission and Disease This bacteria can be involved in...

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Enterobacter cloacae

Enterobacter cloacae

Structure and Physiology This bacteria is a Gram-negative, rod shaped, facultative anaerobe commonly found in the gastrointestinal tract of humans. It is not usually a primary pathogen although it is sometimes associated with urinary and respiratory tract infection. Transmission and Disease Enterobacter cloacae can be acquired through the skin, urinary tract, or gastrointestinal...

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Streptococcus pyogenes

Streptococcus pyogenes

Structure and PhysiologyStreptococcus pyogenes is a Gram-positive, spherical, and facultative anaerobic bacterium. Similar in cellular morphology to Staphylococcus species, this species of bacteria grows in long chains versus the grape-like clusters observed as Staphylococcus. Known as the flesh eating bacteria, S. pyogenes is the most pathogenic bacterium in the...

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Staphylococcus aureus (MRSA)

Staphylococcus aureus (MRSA)

Structure and PhysiologyMethicillin-resistant Staphylococcus aureus (MRSA) is a Gram-positive, coccal-shaped, facultative anaerobic bacterium that is responsible for many difficult to treat infections. MRSA is any strain of Staphylococcus aureus that has developed a resistance to beta-lactam antibiotics through the process of natural selection. Beta-lactam antibiotics include penicillin, methicillin, dicloxacillin,...

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Enterococcus faecalis (VRE)

Enterococcus faecalis (VRE)

Structure and PhysiologyEnterococcus faecalis is a Gram-positive, nonmotile, facultative anaerobic microbe.  Vancomycin Resistant Enterococcus (VRE) are strains that are resistant to the antibiotic vancomycin. There are six different types of vancomycin resistance shown by Enterococcus: Van-A, Van-B, Van-C, Van-D, Van-D, Van-E, Van-F. Van-A, Van-B, Van-C have been tested in...

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Candida tropicalis

Candida tropicalis

Structure and Physiology Candida tropicalis is a yeast that is closely related and often forms in biofilms with C. albicans.  Transmission and Disease Humans normally share a commensalism relationship with Candida genus, but C. tropicalis has been identified as the most pathogenic of the group. C. tropicalis can become pathogenic if a person is immunocompromised or...

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