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Isolation and characterization of an...

Li, Yi.

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Isolation and characterization of antimicrobial resistant Staphylococcus aureus in retail ground meats.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Isolation and characterization of antimicrobial resistant Staphylococcus aureus in retail ground meats./
Author:	Li, Yi.
Description:	66 p.
Notes:	Source: Masters Abstracts International, Volume: 49-02, page: 0947.
Contained By:	Masters Abstracts International49-02.
Subject:	Agriculture, Food Science and Technology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1482457
ISBN:	9781124268019

Isolation and characterization of antimicrobial resistant Staphylococcus aureus in retail ground meats.
Li, Yi.

Isolation and characterization of antimicrobial resistant Staphylococcus aureus in retail ground meats. - 66 p.

Source: Masters Abstracts International, Volume: 49-02, page: 0947.

Thesis (M.S.)--University of Maryland, College Park, 2010.

Staphylococcus aureus is commonly present in humans and animals. It can cause a variety of suppurative infections, food intoxication and toxic shock syndrome. Antimicrobial resistant S. aureus, especially methicillin-resistant S. aureus (MRSA), have emerged and are a major public health concern. There is an increasing risk of food production animals serving as a reservoir and transmitting S. aureus and MRSA in community environments. Due to the increased food safety risk posed by MRSA in addition to its multidrug resistance, we were interested in determining the prevalence of S. aureus and MRSA in retail meat and investing the multidrug resistance of the S. aureus isolates. A survey study was conducted, involving 480 retail ground meat samples (231 ground pork and 249 ground beef) collected in the Washington DC area from March 2009 to March 2010. Approximately 42.08% (n = 202) of the samples were identified as S. aureus positive and one MRSA isolate was recovered from a ground beef sample. Antimicrobial resistance testing showed 53.34% of recovered S. aureus isolates exhibited different levels of antimicrobial resistance to CLI, CHL, GEN, LEVO, CIP, SYN and TGC. The MRSA isolate was resistant to 8 of 22 antimicrobials tested. PFGE fingerprinting identified the MRSA isolate as USA300 subtype, which also carried genes of virulence factors PVL and protein A. Our findings indicated that antimicrobial resistant S. aureus strains were common in retail ground beef and port, and that MRSA could also be present in such products that could potentially serve as a reservoir.

ISBN: 9781124268019Subjects--Topical Terms:

1017813
Agriculture, Food Science and Technology.

Isolation and characterization of antimicrobial resistant Staphylococcus aureus in retail ground meats.
LDR:02595nam 2200301 4500 001 1401545
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020 $a 9781124268019
035 $a (UMI)AAI1482457
035 $a AAI1482457
040 $a UMI $c UMI
100 1 $a Li, Yi. $3 911053
245 1 0 $a Isolation and characterization of antimicrobial resistant Staphylococcus aureus in retail ground meats.
300 $a 66 p.
500 $a Source: Masters Abstracts International, Volume: 49-02, page: 0947.
500 $a Adviser: Jianghong Meng.
502 $a Thesis (M.S.)--University of Maryland, College Park, 2010.
520 $a Staphylococcus aureus is commonly present in humans and animals. It can cause a variety of suppurative infections, food intoxication and toxic shock syndrome. Antimicrobial resistant S. aureus, especially methicillin-resistant S. aureus (MRSA), have emerged and are a major public health concern. There is an increasing risk of food production animals serving as a reservoir and transmitting S. aureus and MRSA in community environments. Due to the increased food safety risk posed by MRSA in addition to its multidrug resistance, we were interested in determining the prevalence of S. aureus and MRSA in retail meat and investing the multidrug resistance of the S. aureus isolates. A survey study was conducted, involving 480 retail ground meat samples (231 ground pork and 249 ground beef) collected in the Washington DC area from March 2009 to March 2010. Approximately 42.08% (n = 202) of the samples were identified as S. aureus positive and one MRSA isolate was recovered from a ground beef sample. Antimicrobial resistance testing showed 53.34% of recovered S. aureus isolates exhibited different levels of antimicrobial resistance to CLI, CHL, GEN, LEVO, CIP, SYN and TGC. The MRSA isolate was resistant to 8 of 22 antimicrobials tested. PFGE fingerprinting identified the MRSA isolate as USA300 subtype, which also carried genes of virulence factors PVL and protein A. Our findings indicated that antimicrobial resistant S. aureus strains were common in retail ground beef and port, and that MRSA could also be present in such products that could potentially serve as a reservoir.
590 $a School code: 0117.
650 4 $a Agriculture, Food Science and Technology. $3 1017813
650 4 $a Biology, Microbiology. $3 1017734
690 $a 0359
690 $a 0410
710 2 $a University of Maryland, College Park. $b Food Science. $3 1286729
773 0 $t Masters Abstracts International $g 49-02.
790 1 0 $a Meng, Jianghong, $e advisor
790 1 0 $a Yu, Liangli (Lucy) $e committee member
790 1 0 $a Lei, David K.Y. $e committee member
790 $a 0117
791 $a M.S.
792 $a 2010
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1482457