J E Keen
Overview
Explore the profile of J E Keen including associated specialties, affiliations and a list of published articles.
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Articles
28
Citations
1035
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Recent Articles
1.
Durso L, Keen J
J Appl Microbiol
. 2007 Nov;
103(6):2457-64.
PMID: 18045431
Aim: To quantify the effect of enrichment, immunomagnetic separation (IMS), and selective plating procedures on isolation of Shiga-toxigenic Escherichia coli O157 (STEC O157) and non-Shiga-toxigenic Escherichia coli O157 (non-STEC O157)...
2.
Callaway T, Edrington T, Brabban A, Keen J, Anderson R, Rossman M, et al.
Foodborne Pathog Dis
. 2006 Sep;
3(3):234-44.
PMID: 16972771
Escherichia coli O157:H7, Salmonella, and Listeria are foodborne pathogens of critical importance that often colonize cattle. E. coli O157:H7 can be specifically killed by lytic bacteriophage, and lytic bacteriophage treatment...
3.
Callaway T, Keen J, Edrington T, Baumgard L, Spicer L, Fonda E, et al.
J Dairy Sci
. 2005 Sep;
88(10):3603-8.
PMID: 16162534
Salmonella is one of the most serious foodborne pathogenic bacteria in the United States, causing an estimated 1.3 million human illnesses each year. Dairy cows can be reservoirs of foodborne...
4.
Laegreid W, Keen J
Epidemiol Infect
. 2004 Apr;
132(2):291-5.
PMID: 15061504
To understand the dynamics of transmission of Shiga toxin-producing Escherichia coli O157:H7 (STEC O157) in beef calves, serum samples were obtained from calves in a beef cow-calf herd approximately every...
5.
Callaway T, ELDER R, Keen J, Anderson R, Nisbet D
J Dairy Sci
. 2003 Apr;
86(3):852-60.
PMID: 12703622
Although Escherichia coli are commensal organisms that reside within the host gut, some pathogenic strains of E. coli can cause hemorrhagic colitis in humans. The most notable enterohemorrhagic E. coli...
6.
Keen J
J Clin Microbiol
. 2001 Aug;
39(9):3409-13.
PMID: 11526192
Two murine monoclonal antibodies (MAb), 2C5-F10 and 8D1-H10, reactive with Escherichia coli O4 and H5 antigens, respectively, were generated and characterized. Enzyme immunoassays and immunoblots demonstrated that MAb 2C5-F10 reacted...
7.
Barkocy-Gallagher G, Arthur T, Siragusa G, Keen J, ELDER R, Laegreid W, et al.
Appl Environ Microbiol
. 2001 Aug;
67(9):3810-8.
PMID: 11525971
Escherichia coli O157:H7 and O157 nonmotile isolates (E. coli O157) previously were recovered from feces, hides, and carcasses at four large Midwestern beef processing plants (R. O. Elder, J. E....
8.
Uhlich G, Keen J, ELDER R
Appl Environ Microbiol
. 2001 Apr;
67(5):2367-70.
PMID: 11319125
Single-base-pair csgD promoter mutations in human outbreak Escherichia coli O157:H7 strains ATCC 43894 and ATCC 43895 coincided with differential Congo red dye binding from curli fiber expression. Red phenotype csgD::lacZ...
9.
Heaton M, Grosse W, Keele J, Keen J, Laegreid W
Mamm Genome
. 2001 Mar;
12(3):219-26.
PMID: 11252171
The aim of the present study was twofold: first, to design a panel of 96 sires that reflects the breadth of genetic diversity in U.S. beef cattle, and second, to...
10.
Keen J
Appl Environ Microbiol
. 2000 Aug;
66(9):4124-7.
PMID: 10966439
Monoclonal antibody (MAb) 12F5 reacted with 35 Escherichia coli O26 isolates and cross-reacted with 1 of 365 non-E. coli O26 isolates. MAb 15C4 reacted with 30 E. coli O111 strains...