Richard A. Helm, Ph.D.

2003 University of Illinois, Urbana-Champaign, Urbana-Champaign, IL 
Microbiology Biology, Molecular Biology
"Richard Helm"


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Stanley Maloy grad student 2003 Chicago
 (Analysis of chromosomal rearrangements in host specific Salmonella serovars.)
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Erickson M, Newman D, Helm RA, et al. (2009) Competition among isolates of Salmonella enterica ssp. enterica serovar Typhimurium: role of prophage/phage in archived cultures. Fems Microbiology Letters. 294: 37-44
Helm RA, Porwollik S, Stanley AE, et al. (2004) Pigeon-associated strains of Salmonella enterica serovar Typhimurium phage type DT2 have genomic rearrangements at rRNA operons. Infection and Immunity. 72: 7338-41
Porwollik S, Wong RM, Helm RA, et al. (2004) DNA amplification and rearrangements in archival Salmonella enterica serovar Typhimurium LT2 cultures. Journal of Bacteriology. 186: 1678-82
Helm RA, Lee AG, Christman HD, et al. (2003) Genomic rearrangements at rrn operons in Salmonella. Genetics. 165: 951-9
Helm RA, Maloy S. (2001) Rapid approach to determine rrn arrangement in Salmonella serovars. Applied and Environmental Microbiology. 67: 3295-8
Edwards RA, Helm RA, Maloy SR. (1999) Increasing DNA transfer efficiency by temporary inactivation of host restriction. Biotechniques. 26: 892-4, 896, 898 pass
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