Spotted-Fever Group Rickettsia in Dermacentor variabilis, Maryland
Published Date:Aug 2004
Source:Emerg Infect Dis. 10(8):1478-1481.
Bacterial Outer Membrane Proteins
Molecular Sequence Data
Polymorphism, Single-Stranded Conformational
Rocky Mountain Spotted Fever
Sequence Analysis, DNA
Funding:T32ES07141/ES/NIEHS NIH HHS/United States
U50/CCU319554/CC/ODCDC CDC HHS/United States
Description:Three-hundred ninety-two adult Dermacentor variabilis were collected from six Maryland counties during the spring, summer, and fall of 2002. Infection prevalence for spotted fever group Rickettsia was 3.8%, as determined by polymerase chain reaction. Single strand conformational polymorphism (SSCP) analysis followed by sequencing indicated that all infections represented a single rickettsial taxon, Rickettsia montanensis.
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