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Second-order selection for evolvability in a large Escherichia coli population

[PDF] from msu.eduRJ Woods, JE Barrick, TF Cooper, U Shrestha… - Science, 2011 - sciencemag.org
... A variant of each of the four E. coli test strains was constructed wherein the state of
a readily scored phenotypic marker (Ara), which has no effect on fitness under these
culture conditions, was altered by a specific point mutation (13). ...
Cited by 6 - Related articles - All 8 versions

Fecal Carriage and Shedding Density of CTX-M Extended-Spectrum {beta}-Lactamase-Producing Escherichia coli in Cattle, Chickens, and Pigs: Implications for …

RA Horton, LP Randall, EL Snary… - Applied and …, 2011 - Am Soc Microbiol
... At the end of the experiment, postmortem examinations of four calves indicated that the
CTX-M E. coli test strain was associated at low levels with tissue samples from the colon ( 330
CFU/g; one of four calves), cecum ( 390 CFU/g; four of four calves), rectum ( 360 CFU/g; four ...
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Comparative Evaluation of a Phage Protein Ligand Assay with Real-Time PCR and a Reference Method for the Detection of Escherichia coli O157: H7 in Raw Ground …

F Savoye, P Feng, C Rozand… - Journal of Food …, 2011 - ingentaconnect.com
... conducted to compare the sensitivity of the VIDAS ultraperformance E. coli test (ECPT UP) with
a noncommercial real-time (RT) PCR method and the US Department of Agriculture, Food Safety
and Inspection Service (USDA-FSIS) reference method for detecting E. coli O157:H7 ...
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Antibiotic susceptibility test based on the dielectrophoretic behavior of elongated Escherichia coli with cephalexin treatment

[HTML] from aip.orgCC Chung, IF Cheng, WH Yang… - Biomicrofluidics, 2011 - link.aip.org
This study reports the use of dielectrophoresis (DEP), which determined the crossover frequency
(cof) of antibiotic-induced elongation of Escherichia coli (E. coli) with regard to the rapid antibiotic
susceptibility test (AST). Different dielectric properties and elongation rates of E. coli are ...
All 4 versions

[HTML] Anti-LPS Test Strip for the Detection of Food Contaminated with Salmonella and E. coli

[HTML] from omicsonline.orgA Wang, G Molina, V Prima… - J Microbial Biochem …, 2011 - omicsonline.org
... LPS concentration in sample can be further calculated with the use of a LPS (E. coli) standard
curve. Figure 1: Detection of Purified E. coli and Salmonella LPS titration with Test Strips. ... Figure
2: Detection of Live E. coli conditioned culture media with anti- LPS test strips. ...
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