Kari S Gobius

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Prevalence, seasonality, and growth of enterococci in raw and pasteurized milk in Victoria, Australia

Catherine M. McAuley, Margaret L. Britz, Kari S. Gobius, Heather M. Craven

Journal of Dairy Science > 2015 > 98 > 12 > 8348-8358

This study investigated the prevalence, seasonality, and species variety of enterococci present in raw milk factory silos and pasteurized milk in 3 dairying regions in Victoria, Australia, over a 1-yr period. Additionally, the growth ability of thermoduric enterococci isolated in this study (Enterococcus faecalis, E. faecium, E. hirae, and E. durans) was determined in milk at temperatures likely to...

article

Escherichia coli strains expressing H12 antigens demonstrate an increased ability to attach to abiotic surfaces as compared with E. coli strains expressing H7 antigens

Rebecca M. Goulter, Elena Taran, Ian R. Gentle, Kari S. Gobius, more

Colloids and Surfaces B: Biointerfaces > 2014 > 119 > Complete > 90-98

The role of Escherichia coli H antigens in hydrophobicity and attachment to glass, Teflon and stainless steel (SS) surfaces was investigated through construction of fliC knockout mutants in E. coli O157:H7, O1:H7 and O157:H12. Loss of FliC _H12 in E. coli O157:H12 decreased attachment to glass, Teflon and stainless steel surfaces (p<0.05). Complementing E. coli O157:H12 ΔfliC _H12 ...

article

Heat resistance of thermoduric enterococci isolated from milk

Catherine M. McAuley, Kari S. Gobius, Margaret L. Britz, Heather M. Craven

International Journal of Food Microbiology > 2012 > 154 > 3 > 162-168

Enterococci are reported to survive pasteurisation but the extent of their survival is unclear. Sixty-one thermoduric enterococci isolates were selected from laboratory pasteurised milk obtained from silos in six dairy factories. The isolates were screened to determine log ₁₀ reductions incurred after pasteurisation (63°C/30min) and ranked from highest to lowest log ₁₀ reduction. Two...

article

Shiga toxin-producing Escherichia coli in ground beef and lamb cuts: Results of a one-year study

Robert S. Barlow, Kari S. Gobius, Patricia M. Desmarchelier

International Journal of Food Microbiology > 2006 > 111 > 1 > 1-5

Shiga toxin-producing Escherichia coli (STEC) have been associated with a broad spectrum of diarrhoeal syndromes. Some of these cases have been attributed to foods of bovine origin or other foods cross-contaminated by beef products or cow manure. The purpose of this study was to determine the pattern of STEC distribution in selected red meats over time. Samples of ground beef and lamb cuts were collected...

article

The Neocallimastix patriciarum cellulase, CelD, contains three almost identical catalytic domains with high specific activities on Avicel

James H Aylward, Kari S Gobius, Gang-Ping Xue, Graham D Simpson, more

Enzyme and Microbial Technology > 1999 > 24 > 8-9 > 609-614

The complete nucleotide sequence of a cDNA encoding three catalytic domains of the Neocallimastix patriciarum cellulase CelD has been determined. The three domains have a very high degree of amino acid identity and are separated by two linker sequences rich in proline, threonine and glutamic acid. A third linker is followed by a probable protein-docking domain for the proposed cellulosome-like structure...

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Search results for: Kari S Gobius

Prevalence, seasonality, and growth of enterococci in raw and pasteurized milk in Victoria, Australia

Escherichia coli strains expressing H12 antigens demonstrate an increased ability to attach to abiotic surfaces as compared with E. coli strains expressing H7 antigens

Heat resistance of thermoduric enterococci isolated from milk

Shiga toxin-producing Escherichia coli in ground beef and lamb cuts: Results of a one-year study

The Neocallimastix patriciarum cellulase, CelD, contains three almost identical catalytic domains with high specific activities on Avicel

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INFONA - science communication portal

Search results for: Kari S Gobius

Prevalence, seasonality, and growth of enterococci in raw and pasteurized milk in Victoria, Australia

Escherichia coli strains expressing H12 antigens demonstrate an increased ability to attach to abiotic surfaces as compared with E. coli strains expressing H7 antigens

Heat resistance of thermoduric enterococci isolated from milk

Shiga toxin-producing Escherichia coli in ground beef and lamb cuts: Results of a one-year study

The Neocallimastix patriciarum cellulase, CelD, contains three almost identical catalytic domains with high specific activities on Avicel

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