Varma M - Search Results

1

Geospatial Patterns of Antimicrobial Resistance Genes in the US EPA National Rivers and Streams Assessment Survey.

Keely SP, Brinkman NE, Wheaton EA, Jahne MA, Siefring SD, Varma M, Hill RA, Leibowitz SG, Martin RW, Garland JL, Haugland RA. Keely SP, et al. Among authors: varma m. Environ Sci Technol. 2022 Nov 1;56(21):14960-14971. doi: 10.1021/acs.est.2c00813. Epub 2022 Jun 23. Environ Sci Technol. 2022. PMID: 35737903 Free PMC article.

2

Interlaboratory comparison of real-time PCR protocols for quantification of general fecal indicator bacteria.

Shanks OC, Sivaganesan M, Peed L, Kelty CA, Blackwood AD, Greene MR, Noble RT, Bushon RN, Stelzer EA, Kinzelman J, Anan'eva T, Sinigalliano C, Wanless D, Griffith J, Cao Y, Weisberg S, Harwood VJ, Staley C, Oshima KH, Varma M, Haugland RA. Shanks OC, et al. Among authors: varma m. Environ Sci Technol. 2012 Jan 17;46(2):945-53. doi: 10.1021/es2031455. Epub 2011 Dec 16. Environ Sci Technol. 2012. PMID: 22133009

3

Distribution of genetic marker concentrations for fecal indicator bacteria in sewage and animal feces.

Kelty CA, Varma M, Sivaganesan M, Haugland RA, Shanks OC. Kelty CA, et al. Among authors: varma m. Appl Environ Microbiol. 2012 Jun;78(12):4225-32. doi: 10.1128/AEM.07819-11. Epub 2012 Apr 13. Appl Environ Microbiol. 2012. PMID: 22504809 Free PMC article.

4

Comparison of Enterococcus quantitative polymerase chain reaction analysis results from Midwest U.S. river samples using EPA Method 1611 and Method 1609 PCR reagents.

Sivaganesan M, Siefring S, Varma M, Haugland RA. Sivaganesan M, et al. Among authors: varma m. J Microbiol Methods. 2014 Jun;101:9-17. doi: 10.1016/j.mimet.2014.03.004. Epub 2014 Mar 26. J Microbiol Methods. 2014. PMID: 24681207

5

Standardization of enterococci density estimates by EPA qPCR methods and comparison of beach action value exceedances in river waters with culture methods.

Haugland RA, Siefring SD, Varma M, Dufour AP, Brenner KP, Wade TJ, Sams E, Cochran S, Braun S, Sivaganensan M. Haugland RA, et al. Among authors: varma m. J Microbiol Methods. 2014 Oct;105:59-66. doi: 10.1016/j.mimet.2014.07.007. Epub 2014 Jul 16. J Microbiol Methods. 2014. PMID: 25038459

6

Quantification of plasmid DNA standards for U.S. EPA fecal indicator bacteria qPCR methods by droplet digital PCR analysis.

Sivaganesan M, Varma M, Siefring S, Haugland R. Sivaganesan M, et al. Among authors: varma m. J Microbiol Methods. 2018 Sep;152:135-142. doi: 10.1016/j.mimet.2018.07.005. Epub 2018 Jul 11. J Microbiol Methods. 2018. PMID: 30017849 Free PMC article.

7

Performance of PCR-based assays targeting Bacteroidales genetic markers of human fecal pollution in sewage and fecal samples.

Shanks OC, White K, Kelty CA, Sivaganesan M, Blannon J, Meckes M, Varma M, Haugland RA. Shanks OC, et al. Among authors: varma m. Environ Sci Technol. 2010 Aug 15;44(16):6281-8. doi: 10.1021/es100311n. Environ Sci Technol. 2010. PMID: 20704227

8

Quantitative PCR for genetic markers of human fecal pollution.

Shanks OC, Kelty CA, Sivaganesan M, Varma M, Haugland RA. Shanks OC, et al. Among authors: varma m. Appl Environ Microbiol. 2009 Sep;75(17):5507-13. doi: 10.1128/AEM.00305-09. Epub 2009 Jul 10. Appl Environ Microbiol. 2009. PMID: 19592537 Free PMC article.

9

MPN estimation of qPCR target sequence recoveries from whole cell calibrator samples.

Sivaganesan M, Siefring S, Varma M, Haugland RA. Sivaganesan M, et al. Among authors: varma m. J Microbiol Methods. 2011 Dec;87(3):343-9. doi: 10.1016/j.mimet.2011.09.013. Epub 2011 Oct 1. J Microbiol Methods. 2011. PMID: 21989298

10

Influences of sample interference and interference controls on quantification of enterococci fecal indicator bacteria in surface water samples by the qPCR method.

Haugland RA, Siefring S, Lavender J, Varma M. Haugland RA, et al. Among authors: varma m. Water Res. 2012 Nov 15;46(18):5989-6001. doi: 10.1016/j.watres.2012.08.017. Epub 2012 Aug 27. Water Res. 2012. PMID: 22981586

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