Carbapenem-resistant Enterobacteriaceae (CRE): Difference between revisions

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Carbapenem-resistant <I>Enterobacteriaceae</I> (CRE) are a family of Gram-negative bacteria that are resistant to carbapenem, a class of anti-biotics used to treat infections. Carbapenems offer a broad-spectrum defense against a wide variety of both Gram-negative and Gram-positive bacteria, meaning that increasing resistance by CRE, to which there is no reliable treatment, is a major concern for the health industry. [2,3] Previously rare in the United States before 1992, CRE are becoming increasingly more common.[1] Although <I>Enterobacteriaceae</I> are normal human intestinal flora, resistance may be caused by the occurrence of hydrolyzing enzymes, such as serine β-lactamase KPC and the metallo–β-lactamase VIM.[3] Resistance to carbapenems is common in a number of <I>Enterobacteriaceae</I>, such as Kelbsiella pneumoniae and E. coli [3]. CRE typically cause infections in patients of hospitals and nursing homes [3]. The increasing prevalence and lack of reliable treatment have led many to predict CRE as the next "superbug." [3]
Carbapenem-resistant <I>Enterobacteriaceae</I> (CRE) are a family of Gram-negative bacteria that are resistant to carbapenem, a class of anti-biotics used to treat infections. Carbapenems offer a broad-spectrum defense against a wide variety of both Gram-negative and Gram-positive bacteria, meaning that increasing resistance by CRE, to which there is no reliable treatment, is a major concern for the health industry. [2,3] Previously rare in the United States before 1992, CRE are becoming increasingly more common.<ref>[https://www.ncbi.nlm.nih.gov/pubmed/21653305 Neil Gupta, Brandi M. Limbago, Jean B. Patel, Alexander J. Kallen; Carbapenem-Resistant <I>Enterobacteriaceae</I>: Epidemiology and Prevention. Clin Infect Dis 2011; 53 (1): 60-67. doi: 10.1093/cid/cir202]
</ref> Although <I>Enterobacteriaceae</I> are normal human intestinal flora, resistance may be caused by the occurrence of hydrolyzing enzymes, such as serine β-lactamase KPC and the metallo–β-lactamase VIM.[3] Resistance to carbapenems is common in a number of <I>Enterobacteriaceae</I>, such as Kelbsiella pneumoniae and E. coli [3]. CRE typically cause infections in patients of hospitals and nursing homes [3]. The increasing prevalence and lack of reliable treatment have led many to predict CRE as the next "superbug." [3]





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Electron micrograph of the Ebola Zaire virus. This was the first photo ever taken of the virus, on 10/13/1976. By Dr. F.A. Murphy, now at U.C. Davis, then at the CDC.


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Carbapenem-resistant Enterobacteriaceae (CRE) are a family of Gram-negative bacteria that are resistant to carbapenem, a class of anti-biotics used to treat infections. Carbapenems offer a broad-spectrum defense against a wide variety of both Gram-negative and Gram-positive bacteria, meaning that increasing resistance by CRE, to which there is no reliable treatment, is a major concern for the health industry. [2,3] Previously rare in the United States before 1992, CRE are becoming increasingly more common.[1] Although Enterobacteriaceae are normal human intestinal flora, resistance may be caused by the occurrence of hydrolyzing enzymes, such as serine β-lactamase KPC and the metallo–β-lactamase VIM.[3] Resistance to carbapenems is common in a number of Enterobacteriaceae, such as Kelbsiella pneumoniae and E. coli [3]. CRE typically cause infections in patients of hospitals and nursing homes [3]. The increasing prevalence and lack of reliable treatment have led many to predict CRE as the next "superbug." [3]



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(1) Neil Gupta, Brandi M. Limbago, Jean B. Patel, Alexander J. Kallen; Carbapenem-Resistant Enterobacteriaceae: Epidemiology and Prevention. Clin Infect Dis 2011; 53 (1): 60-67. doi: 10.1093/cid/cir202




Authored by Carter Powell for BIOL 238 Microbiology, taught by Joan Slonczewski, 2017, Kenyon College.



Edited by Carter Powell for BIOL 238 Microbiology, 2017, Kenyon College.