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Author Robin Siletzky

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Oral high dose vitamin B12 decreases renal superoxide and post-ischemia/reperfusion injury in mice.

Feng Li, Edward M Bahnson, Jennifer Wilder, Robin Siletzky, John Hagaman, Volker Nickekeit, Sylvia Hiller, Azraa Ayesha, Lanfei Feng, Jerrold S Levine, Nobuyuki Takahashi, Nobuyo Maeda-Smithies,

Renal ischemia/reperfusion injury (IRI) is a leading cause of acute kidney injury (AKI), a potentially fatal syndrome characterized by a rapid decline in kidney function. Excess production of superoxide contributes to the injury. We hypothesized that oral administration of a high dose of vitamin B12 (B12 - cyanocobalamin), which possesses ... Read more >>

Redox Biol (Redox biology)
[2020, 32:101504]

Cited: 0 times

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Strain-Specific Differences in Survival of Campylobacter spp. in Naturally Contaminated Turkey Feces and Water.

Lesley Good, William G Miller, Jeffrey Niedermeyer, Jason Osborne, Robin M Siletzky, Donna Carver, Sophia Kathariou,

Campylobacter jejuni and Campylobacter coli are leading causes of human foodborne illness, with poultry as a major vehicle. Turkeys are frequently colonized with Campylobacter, but little is known about Campylobacter survival in turkey feces, even though fecal droppings are major vehicles for Campylobacter within-flock transmission as well as for environmental ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2019, 85(22):]

Cited: 0 times

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Engulfment and cell motility protein 1 potentiates diabetic cardiomyopathy via Rac-dependent and Rac-independent ROS production.

Masao Kakoki, Edward M Bahnson, John R Hagaman, Robin M Siletzky, Ruriko Grant, Yukako Kayashima, Feng Li, Esther Y Lee, Michelle T Sun, Joan M Taylor, Jessica C Rice, Michael F Almeida, Ben A Bahr, J Charles Jennette, Oliver Smithies, Nobuyo Maeda-Smithies,

Engulfment and cell motility protein 1 (ELMO1) is part of a guanine nucleotide exchange factor for Ras-related C3 botulinum toxin substrate (Rac), and ELMO1 polymorphisms were identified to be associated with diabetic nephropathy in genome-wide association studies. We generated a set of Akita Ins2C96Y diabetic mice having 5 graded cardiac ... Read more >>

JCI Insight (JCI insight)
[2019, 4(12):]

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Identification of a Campylobacter coli methyltransferase targeting adenines at GATC sites.

Vikrant Dutta, Eric Altermann, Maria D Crespo, Jonathan W Olson, Robin M Siletzky, Sophia Kathariou,

Campylobacter coli can infect humans and colonize multiple other animals, but its host-associated genes or adaptations are poorly understood. Adenine methylation at GATC sites, resulting in MboI resistance of genomic DNA, was earlier frequently detected among C. coli from swine but not among turkey-derived isolates. The underlying genetic basis has remained ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2017, 364(7):]

Cited: 0 times

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Whole-Genome Sequences of Agricultural, Host-Associated Campylobacter coli and Campylobacter jejuni Strains.

Vikrant Dutta, Eric Altermann, Jonathan Olson, Gregory Allan Wray, Robin M Siletzky, Sophia Kathariou,

We report here the genome sequences of four agricultural, multidrug-resistant Campylobacter spp.: C. coli 11601 and C. jejuni 11601MD, isolated from turkey cecum and jejunum, respectively, and C. coli 6067 and C. coli 6461, isolated from turkey-house water and swine feces, respectively. The genomes provide insights on Campylobacter antimicrobial resistance and host adaptations. ... Read more >>

Genome Announc (Genome announcements)
[2016, 4(4):]

Cited: 1 time

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Population structure of Listeria monocytogenes serotype 4b isolates from sporadic human listeriosis cases in the United States from 2003 to 2008.

Sangmi Lee, Todd J Ward, Lewis M Graves, Cheryl L Tarr, Robin M Siletzky, Sophia Kathariou,

Listeria monocytogenes can cause severe food-borne disease (listeriosis). Numerous outbreaks have involved three serotype 4b epidemic clones (ECs): ECI, ECII, and ECIa. However, little is known about the population structure of L. monocytogenes serotype 4b from sporadic listeriosis in the United States, even though most cases of human listeriosis are ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2014, 80(12):3632-3644]

Cited: 12 times

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Characterization of Campylobacter from resident Canada geese in an urban environment.

M Elizabeth Rutledge, Robin M Siletzky, Weimin Gu, Laurel A Degernes, Christopher E Moorman, Christopher S DePerno, Sophia Kathariou,

Waterfowl are natural reservoirs for zoonotic pathogens, and abundant resident (nonmigratory) Canada Geese (Branta canadensis) in urban and suburban environments pose the potential for transmission of Campylobacter through human contact with fecal deposits and contaminated water. In June 2008 and July 2009, we collected 318 fecal samples from resident Canada ... Read more >>

J. Wildl. Dis. (Journal of wildlife diseases)
[2013, 49(1):1-9]

Cited: 7 times

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Heavy metal and disinfectant resistance of Listeria monocytogenes from foods and food processing plants.

Shakir S Ratani, Robin M Siletzky, Vikrant Dutta, Suleyman Yildirim, Jason A Osborne, Wen Lin, Anthony D Hitchins, Todd J Ward, Sophia Kathariou,

The persistence of Listeria monocytogenes in food processing plants and other ecosystems reflects its ability to adapt to numerous stresses. In this study, we investigated 138 isolates from foods and food processing plants for resistance to the quaternary ammonium disinfectant benzalkonium chloride (BC) and to heavy metals (cadmium and arsenic). ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2012, 78(19):6938-6945]

Cited: 22 times

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Atypical Listeria monocytogenes serotype 4b strains harboring a lineage II-specific gene cassette.

Sangmi Lee, Todd J Ward, Lewis M Graves, Leslie A Wolf, Kate Sperry, Robin M Siletzky, Sophia Kathariou,

Listeria monocytogenes is the etiological agent of listeriosis, a severe food-borne illness. The population of L. monocytogenes is divided into four lineages (I to IV), and serotype 4b in lineage I has been involved in numerous outbreaks. Several serotype 4b epidemic-associated clonal groups (ECI, -II, and -Ia) have been identified. ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2012, 78(3):660-667]

Cited: 14 times

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Differences in methylation at GATC sites in genomic DNA of Campylobacter coli from turkeys and swine.

Sandra Wright, Simone Wilson, William G Miller, Robert E Mandrell, Robin M Siletzky, Sophia Kathariou,

A significant fraction (46/108, 43%) of swine isolates of Campylobacter coli but none of 81 isolates of C. coli from turkeys had genomic DNA that was resistant to digestion by MboI, suggesting methylation of adenines at GATC sites. No consistent association was noted between antimicrobial resistance and MboI resistance. Seven ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2010, 76(21):7314-7317]

Cited: 3 times

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Conservation of genomic localization and sequence content of Sau3AI-like restriction-modification gene cassettes among Listeria monocytogenes epidemic clone I and selected strains of serotype 1/2a.

Suleyman Yildirim, Driss Elhanafi, Wen Lin, Anthony D Hitchins, Robin M Siletzky, S Kathariou,

Listeria monocytogenes is a food-borne pathogen with a clonal population structure and apparently limited gene flow between strains of different lineages. Strains of epidemic clone I (ECI) have been responsible for numerous outbreaks and invariably have DNA that is resistant to digestion by Sau3AI, suggesting methylation of cytosine at GATC ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2010, 76(16):5577-5584]

Cited: 10 times

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Antimicrobial susceptibility profiles and strain type diversity of Campylobacter jejuni isolates from turkeys in eastern North Carolina.

Weimin Gu, Robin M Siletzky, Sandra Wright, Mohammed Islam, Sophia Kathariou,

Campylobacter jejuni is one of the most common bacterial causes of human gastroenteritis, and recent findings suggest that turkeys are an important reservoir for this organism. In this study, 80 C. jejuni isolates from eastern North Carolina were characterized for resistance to nine antimicrobials, and strain types were determined by ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2009, 75(2):474-482]

Cited: 22 times

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Effect of low temperature and culture media on the growth and freeze-thawing tolerance of Exiguobacterium strains.

Tatiana A Vishnivetskaya, Robin Siletzky, Natalie Jefferies, James M Tiedje, Sophia Kathariou,

Bacteria of the genus Exiguobacterium have been repeatedly isolated from ancient permafrost sediments of the Kolyma lowland of Northeast Eurasia. Here we report that the Siberian permafrost isolates Exiguobacterium sibiricum 255-15, E. sibiricum 7-3, Exiguobacterium undae 190-11 and E. sp. 5138, as well as Exiguobacterium antarcticum DSM 14480, isolated from ... Read more >>

Cryobiology (Cryobiology)
[2007, 54(2):234-240]

Cited: 18 times

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Campylobacter colonization of sibling turkey flocks reared under different management conditions.

Katie Smith, Nancy Reimers, H John Barnes, Bong Choon Lee, Robin Siletzky, Sophia Kathariou,

Uncertainty exists concerning the key factors contributing to Campylobacter colonization of poultry, especially the possible role of vertical transmission from breeder hens to young birds. A longitudinal study of Campylobacter colonization was performed in two sibling pairs of turkey flocks (four flocks total). Each pair of sibling flocks shared breeder ... Read more >>

J. Food Prot. (Journal of food protection)
[2004, 67(7):1463-1468]

Cited: 23 times

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