Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Agarose gel electrophoresis of polymerase chain reaction (PCR) products derived from the Coxiella burnetii IS1111a gene. Amplification of bacterial DNA using Q fever-IS1111a primers to detect C burnetii. Gel electrophoresis of end-point PCR products (202 bp). M: 50 bp DNA size marker; 1–20: DNA samples from patients with culture-negative infective endocarditis (IE); 21–40: DNA samples from patients with culture-positive IE and the negative controls (N).
