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Volume 17, Number 1—January 2011
Dispatch

Identification of Rickettsial Infections by Using Cutaneous Swab Specimens and PCR

Yassina Bechah, Cristina Socolovschi, and Didier RaoultComments to Author 
Author affiliations: Author affiliation: Université de la Méditerranée, Marseille, France

Main Article

Figure 2

Effect of temperature (A), storage time (B), and temperature and storage times (C–E) on yield of rickettsial DNA, Marseille, France. Guinea pigs (n = 3) were infected with Rickettsia conorii and inspected daily for skin lesions. After lesions appeared, 12 swab specimens/animal were obtained daily for 5 days and stored in groups of 3 at 22°C, 4°C, −20°C, or −80°C. DNA was extracted after storage for 24 h, 48 h, or 72 h at each temperature in a final volume of 100 μL, and numbers of bacterial DNA

Figure 2. Effect of temperature (A), storage time (B), and temperature and storage times (C–E) on yield of rickettsial DNA, Marseille, France. Guinea pigs (n = 3) were infected with Rickettsia conorii and inspected daily for skin lesions. After lesions appeared, 12 swab specimens/animal were obtained daily for 5 days and stored in groups of 3 at 22°C, 4°C, −20°C, or −80°C. DNA was extracted after storage for 24 h, 48 h, or 72 h at each temperature in a final volume of 100 μL, and numbers of bacterial DNA copies were quantified in 5 μL of swab DNA extracts by using quantitative PCR. Box plots indicate 25th and 75th percentiles, horizontal lines indicate medians, and error bars indicate minimum and maximum values.

Main Article

Page created: July 08, 2011
Page updated: July 08, 2011
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