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.
Clustering of 18S rRNA gene-based DGGE profiles of Eukarya (20 to 35% denaturant gradient) in sediment samples downgradient from the Banisveld landfill, determined using the unweighted pair group clustering method with arithmetic averages after Pearson correlation. For each sample, the location, depth (Fig. 1), and pollution level (P, polluted; C, clean) are indicated. Samples used for cloning are indicated by an asterisk.
