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22 results on '"Turnsek, Maryann A."'

2. Genome Sequences from a Reemergence of Vibrio cholerae in Haiti, 2022 Reveal Relatedness to Previously Circulating Strains

Author

Walters, Cynney, primary, Chen, Jessica, additional, Stroika, Steven, additional, Katz, Lee S., additional, Turnsek, Maryann, additional, Compère, Valusnor, additional, Im, Monica S., additional, Gomez, Suzanna, additional, McCullough, Andre, additional, Landaverde, Clarissa, additional, Putney, Jordan, additional, Caidi, Hayat, additional, Folster, Jason, additional, Carleton, Heather A., additional, Boncy, Jacques, additional, and Lee, Christine C., additional

Published
2023
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3. Ebola Virus Disease Diagnostics, Sierra Leone: Analysis of Real-time Reverse Transcription-Polymerase Chain Reaction Values for Clinical Blood and Oral Swab Specimens

Author

Erickson, Bobbie R., Sealy, Tara K., Flietstra, Tim, Morgan, Laura, Kargbo, Brima, Matt-Lebby, Victor E., Gibbons, Aridth, Chakrabarti, Ayan K., Graziano, James, Presser, Lance, Flint, Mike, Bird, Brian H., Brown, Shelley, Klena, John D., Blau, Dianna M., Brault, Aaron C., Belser, Jessica A., Salzer, Johanna S., Schuh, Amy J., Lo, Michael, Zivcec, Marko, Priestley, Rachael A., Pyle, Meredith, Goodman, Christin, Bearden, Scott, Amman, Brian R., Basile, Alison, Bergeron, Éric, Bowen, Michael D., McMullan, Laura K., Paddock, Christopher D., Russell, Brandy J., Sanchez, Angela J., Towner, Jonathan S., Wang, David, Zemtsova, Galina E., Stoddard, Robyn A., Turnsek, Maryann, Guerrero, Lisa Wiggleton, Emery, Shannon L., Stovall, Janae, Kainulainen, Markus H., Perniciaro, Jamie L., Mijatovic-Rustempasic, Slavica, Shakirova, Gulchekhra, Winter, Jörn, Sexton, Christopher, Liu, Feng, Slater, Kimetha, Anderson, Raydel, Andersen, Lauren, Chiang, Cheng-Feng, Tzeng, Wen-Pin, Crowe, Samuel J., Maenner, Matthew J., Spiropoulou, Christina F., Nichol, Stuart T., and Ströher, Ute

Published
2016

4. Ebola Virus Diagnostics: The US Centers for Disease Control and Prevention Laboratory in Sierra Leone, August 2014 to March 2015

Author

Flint, Mike, Goodman, Christin H., Bearden, Scott, Blau, Dianna M., Amman, Brian R., Basile, Alison J., Belser, Jessica A., Bergeron, Éric, Bowen, Michael D., Brault, Aaron C., Campbell, Shelley, Chakrabarti, Ayan K., Dodd, Kimberly A., Erickson, Bobbie R., Freeman, Molly M., Gibbons, Aridth, Guerrero, Lisa W., Klena, John D., Lash, R. Ryan, Lo, Michael K., McMullan, Laura K., Momoh, Gbetuwa, Massally, James L., Goba, Augustine, Paddock, Christopher D., Priestley, Rachael A., Pyle, Meredith, Rayfield, Mark, Russell, Brandy J., Salzer, Johanna S., Sanchez, Angela J., Schuh, Amy J., Sealy, Tara K., Steinau, Martin, Stoddard, Robyn A., Taboy, Céline, Turnsek, Maryann, Wang, David, Zemtsova, Galina E., Zivcec, Marko, Spiropoulou, Christina F., Ströher, Ute, Towner, Jonathan S., Nichol, Stuart T., and Bird, Brian H.

Published
2015

6. Novel epidemic clones of listeria monocytogenes, United States, 2011

Author

Lomonaco, Sara, Verghese, Bindhu, Gerner-Smidt, Peter, Tarr, Cheryl, Gladney, Lori, Joseph, Lavin, Katz, Lee, Turnsek, Maryann, Frace, Michael, Chen, Yi, Brown, Eric, Meinersmann, Richard, Berrang, Mark, and Knabel, Stephen

Subjects
Epidemics -- Research -- United States, Listeria monocytogenes -- Research -- Health aspects, Biological markers -- Usage, Health
Abstract

In September 2011, the Centers for Disease Control and Prevention (CDC) in Atlanta, GA, was notified of an increase of listeriosis cases linked to eating cantaloupe (1). The outbreak isolates [...]

Published
2013
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7. Toxigenic Vibrio cholerae O1 in water and seafood, Haiti

Author

Hill, Vincent R., Cohen, Nicole, Kahler, Amy M., Jones, Jessica L., Bopp, Cheryl A., Marano, Nina, Tarr, Cheryl L., Garrett, Nancy M., Boncy, Jacques, Henry, Ariel, Gomez, Gerardo A., Wellman, Michael, Curtis, Maurice, Freeman, Molly M., Turnsek, Maryann, Benner, Jr., Ronald A., Dahourou, Georges, Espey, David, DePaola, Angelo, Tappero, Jordan W., Handzel, Tom, and Tauxe, Robert V.

Subjects
United States. Food and Drug Administration, United States. Centers for Disease Control and Prevention, Cholera toxin -- Health aspects, Epidemics -- Haiti -- Health aspects, Genes -- Health aspects, Coastal ecosystems -- Health aspects, Seafood industry -- Health aspects, Water -- Health aspects, Seafood -- Contamination -- Health aspects, Food contamination -- Health aspects, Cholera -- Health aspects, Health
Abstract

Epidemic cholera is caused by toxigenic strains of Vibrio cholerae serogroups O1 and O139, which spread most often through water contaminated with the bacterium (1). Cholera can also be transmitted [...]

Published
2011
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8. Characterization of toxigenic Vibrio cholerae from Haiti, 2010-2011

Author

Talkington, Deborah, Bopp, Cheryl, Tarr, Cheryl, Parsons, Michele B., Dahourou, Georges, Freeman, Molly, Joyce, Kevin, Turnsek, Maryann, Garrett, Nancy, Humphrys, Michael, Gomez, Gerardo, Stroika, Steven, Boncy, Jacques, Ochieng, Benjamin, Oundo, Joseph, Klena, John, Smith, Anthony, Keddy, Karen, and Gerner-Smidt, Peter

Subjects
United States. Centers for Disease Control and Prevention, Cholera toxin -- Chemical properties, Genes -- Chemical properties, Diarrhea -- Chemical properties, Enzymes -- Chemical properties, Health
Abstract

Vibrio cholerae has caused epidemics around the world for centuries. Cholera has long been a companion of devastation and poverty, and epidemics occur in areas without clean water, sanitation, or [...]

Published
2011
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9. Ebola virus disease diagnostics, Sierra Leone: analysis of real-time RT-PCR values in clinical blood and oral swab specimens

Author

Erickson, Bobbie R., Sealy, Tara K., Flietstra, Tim, Morgan, Laura, Kargbo, Brima, Matt-Lebby, Victor E., Gibbons, Aridth, Chakrabarti, Ayan K., Graziano, James, Presser, Lance, Flint, Mike, Bird, Brian H., Brown, Shelley, Klena, John D., Blau, Dianna M., Brault, Aaron C., Belser, Jessica A., Salzer, Johanna S., Schuh, Amy J., Lo, Michael, Zivcec, Marko, Priestley, Rachael A., Pyle, Meredith, Goodman, Christin, Bearden, Scott, Amman, Brian R., Basile, Alison, Bergeron, Éric, Bowen, Michael D., Dodd, Kimberly A., Freeman, Molly M., McMullan, Laura K., Paddock, Christopher D., Russell, Brandy J., Sanchez, Angela J., Towner, Jonathan S., Wang, David, Zemtsova, Galina E., Stoddard, Robyn A., Turnsek, Maryann, Guerrero, Lisa Wiggleton, Emery, Shannon L., Stovall, Janae, Kainulainen, Markus H., Perniciaro, Jamie L., Mijatovic-Rustempasic, Slavica, Shakirova, Gulchekhra, Winter, Jörn, Sexton, Christopher, Liu, Feng, Slater, Kimetha, Anderson, Raydel, Andersen, Lauren, Chiang, Cheng-Feng, Tzeng, Wen-Pin, Crowe, Samuel J., Maenner, Matthew J., Spiropoulou, Christina F., Nichol, Stuart T., and Ströher, Ute

Subjects
Reverse Transcriptase Polymerase Chain Reaction, Humans, RNA, Viral, Clinical Laboratory Services, Hemorrhagic Fever, Ebola, Ebolavirus, Laboratories, Real-Time Polymerase Chain Reaction, Sensitivity and Specificity, Article, Disease Outbreaks, Sierra Leone
Abstract

During the Ebola virus outbreak of 2013-2016, the Viral Special Pathogens Branch field laboratory in Sierra Leone tested approximately 26 000 specimens between August 2014 and October 2015. Analysis of the B2M endogenous control Ct values showed its utility in monitoring specimen quality, comparing results with different specimen types, and interpretation of results. For live patients, blood is the most sensitive specimen type and oral swabs have little diagnostic utility. However, swabs are highly sensitive for diagnostic testing of corpses.

Published
2016

11. Determination of Evolutionary Relationships of Outbreak-Associated Listeria monocytogenes Strains of Serotypes 1/2a and 1/2b by Whole-Genome Sequencing

Author

Bergholz, Teresa M., primary, den Bakker, Henk C., additional, Katz, Lee S., additional, Silk, Benjamin J., additional, Jackson, Kelly A., additional, Kucerova, Zuzana, additional, Joseph, Lavin A., additional, Turnsek, Maryann, additional, Gladney, Lori M., additional, Halpin, Jessica L., additional, Xavier, Karen, additional, Gossack, Joseph, additional, Ward, Todd J., additional, Frace, Michael, additional, and Tarr, Cheryl L., additional

Published
2016
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12. Evolutionary dynamics of Vibrio cholerae O1 following a single-source introduction to Haiti

Author

Boucher, Yan, Rowe, Lori, Beaulaurier, John, Frace, Mike, Boncy, Jacques, Van Domselaar, Gary, Turnsek, Maryann A., Hanage, William P., Knox, Natalie, Paxinos, Ellen E., Bashir, Ali, Freeman, Molly M., Katz, Lee S., Hammer, Brian K., Petkau, Aaron, Stroika, Steven, Tyler, Shaun, Gladney, Lori M., Guo, Yan, Folster, Jason P., Orata, Fabini, Graham, Morag, Tarr, Cheryl L., Wang, Susana, and Antonova, Elena S.

Published
2013
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13. Environmental Surveillance for Toxigenic Vibrio cholerae in Surface Waters of Haiti

Author

Kahler, Amy M., primary, Hill, Vincent R., additional, Humphrys, Michael S., additional, Boncy, Jacques, additional, Tarr, Cheryl L., additional, Huq, Anwar, additional, Chen, Arlene, additional, Katz, Lee S., additional, Mull, Bonnie J., additional, Derado, Gordana, additional, Haley, Bradd J., additional, Freeman, Nicole, additional, Colwell, Rita R., additional, and Turnsek, Maryann, additional

Published
2015
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16. Evolutionary Dynamics of Vibrio cholerae O1 following a Single-Source Introduction to Haiti

Author

Katz, Lee S., primary, Petkau, Aaron, additional, Beaulaurier, John, additional, Tyler, Shaun, additional, Antonova, Elena S., additional, Turnsek, Maryann A., additional, Guo, Yan, additional, Wang, Susana, additional, Paxinos, Ellen E., additional, Orata, Fabini, additional, Gladney, Lori M., additional, Stroika, Steven, additional, Folster, Jason P., additional, Rowe, Lori, additional, Freeman, Molly M., additional, Knox, Natalie, additional, Frace, Mike, additional, Boncy, Jacques, additional, Graham, Morag, additional, Hammer, Brian K., additional, Boucher, Yan, additional, Bashir, Ali, additional, Hanage, William P., additional, Van Domselaar, Gary, additional, and Tarr, Cheryl L., additional

Published
2013
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17. Novel Epidemic Clones ofListeria monocytogenes, United States, 2011

Author

Lomonaco, Sara, primary, Verghese, Bindhu, additional, Gerner-Smidt, Peter, additional, Tarr, Cheryl, additional, Gladney, Lori, additional, Joseph, Lavin, additional, Katz, Lee, additional, Turnsek, Maryann, additional, Frace, Michael, additional, Chen, Yi, additional, Brown, Eric, additional, Meinersmann, Richard, additional, Berrang, Mark, additional, and Knabel, Stephen, additional

Published
2013
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18. A hybrid approach for the automated finishing of bacterial genomes

Author

Bashir, Ali, primary, Klammer, Aaron A, additional, Robins, William P, additional, Chin, Chen-Shan, additional, Webster, Dale, additional, Paxinos, Ellen, additional, Hsu, David, additional, Ashby, Meredith, additional, Wang, Susana, additional, Peluso, Paul, additional, Sebra, Robert, additional, Sorenson, Jon, additional, Bullard, James, additional, Yen, Jackie, additional, Valdovino, Marie, additional, Mollova, Emilia, additional, Luong, Khai, additional, Lin, Steven, additional, LaMay, Brianna, additional, Joshi, Amruta, additional, Rowe, Lori, additional, Frace, Michael, additional, Tarr, Cheryl L, additional, Turnsek, Maryann, additional, Davis, Brigid M, additional, Kasarskis, Andrew, additional, Mekalanos, John J, additional, Waldor, Matthew K, additional, and Schadt, Eric E, additional

Published
2012
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19. Vibrio mimicus Infection Associated with Crayfish Consumption, Spokane, Washington, 2010

Author

KAY, MEAGAN K., primary, CARTWRIGHT, EMILY J., additional, MACEACHERN, DOROTHY, additional, McCULLOUGH, JOEL, additional, BARZILAY, EZRA, additional, MINTZ, ERIC, additional, DUCHIN, JEFFREY S., additional, MACDONALD, KATHRYN, additional, TURNSEK, MARYANN, additional, TARR, CHERYL, additional, TALKINGTON, DEBORAH, additional, NEWTON, ANNA, additional, and MARFIN, ANTHONY A., additional

Published
2012
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21. Vibrio mimicusInfection Associated with Crayfish Consumption, Spokane, Washington, 2010

Author

KAY, MEAGAN K., CARTWRIGHT, EMILY J., MACEACHERN, DOROTHY, McCULLOUGH, JOEL, BARZILAY, EZRA, MINTZ, ERIC, DUCHIN, JEFFREY S., MACDONALD, KATHRYN, TURNSEK, MARYANN, TARR, CHERYL, TALKINGTON, DEBORAH, NEWTON, ANNA, and MARFIN, ANTHONY A.

Abstract

We report a cluster of severe diarrheal disease caused by Vibrio mimicusinfection among four persons who had consumed leftover crayfish the day after a private crayfish boil. Gastrointestinal illness caused by Vibrio mimicushas not been reported previously in Washington State. Three cases were laboratory confirmed by stool culture; using PCR, isolates were found to have ctxgenes that encode cholera toxin (CT). Two of the cases were hospitalized under intensive care with a cholera-like illness. The illnesses were most likely caused by cross-contamination of cooked crayfish with uncooked crayfish; however, V. mimicuswas not isolated nor were CT genes detected by PCR in leftover samples of frozen crayfish. Clinicians should be aware that V. mimicuscan produce CT and that V. mimicusinfection can cause severe illness.

Published
2012
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22. Evolutionary Dynamics of Vibrio choleraeO1 following a Single-Source Introduction to Haiti

Author

Katz, Lee S., Petkau, Aaron, Beaulaurier, John, Tyler, Shaun, Antonova, Elena S., Turnsek, Maryann A., Guo, Yan, Wang, Susana, Paxinos, Ellen E., Orata, Fabini, Gladney, Lori M., Stroika, Steven, Folster, Jason P., Rowe, Lori, Freeman, Molly M., Knox, Natalie, Frace, Mike, Boncy, Jacques, Graham, Morag, Hammer, Brian K., Boucher, Yan, Bashir, Ali, Hanage, William P., Van Domselaar, Gary, and Tarr, Cheryl L.

Abstract

ABSTRACTPrior to the epidemic that emerged in Haiti in October of 2010, cholera had not been documented in this country. After its introduction, a strain of Vibrio choleraeO1 spread rapidly throughout Haiti, where it caused over 600,000 cases of disease and >7,500 deaths in the first two years of the epidemic. We applied whole-genome sequencing to a temporal series of V. choleraeisolates from Haiti to gain insight into the mode and tempo of evolution in this isolated population of V. choleraeO1. Phylogenetic and Bayesian analyses supported the hypothesis that all isolates in the sample set diverged from a common ancestor within a time frame that is consistent with epidemiological observations. A pangenome analysis showed nearly homogeneous genomic content, with no evidence of gene acquisition among Haiti isolates. Nine nearly closed genomes assembled from continuous-long-read data showed evidence of genome rearrangements and supported the observation of no gene acquisition among isolates. Thus, intrinsic mutational processes can account for virtually all of the observed genetic polymorphism, with no demonstrable contribution from horizontal gene transfer (HGT). Consistent with this, the 12 Haiti isolates tested by laboratory HGT assays were severely impaired for transformation, although unlike previously characterized noncompetent V. choleraeisolates, each expressed hapRand possessed a functional quorum-sensing system. Continued monitoring of V. choleraein Haiti will illuminate the processes influencing the origin and fate of genome variants, which will facilitate interpretation of genetic variation in future epidemics.IMPORTANCEVibrio choleraeis the cause of substantial morbidity and mortality worldwide, with over three million cases of disease each year. An understanding of the mode and rate of evolutionary change is critical for proper interpretation of genome sequence data and attribution of outbreak sources. The Haiti epidemic provides an unprecedented opportunity to study an isolated, single-source outbreak of Vibrio choleraeO1 over an established time frame. By using multiple approaches to assay genetic variation, we found no evidence that the Haiti strain has acquired any genes by horizontal gene transfer, an observation that led us to discover that it is also poorly transformable. We have found no evidence that environmental strains have played a role in the evolution of the outbreak strain.

Published
2013
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