Pathological symptoms of <i>Caenorhabditis elegans</i> (N2) on lawns of PA23 and derivative strains at 88h on nematode growth medium.

1Twenty nematodes were examined for each strain; mean (SD) obtained from three trials. a viable nematodes were not present at 88h; consequently, colonization and pathology was not determined. bextensive—colonization throughout the entire gut. cmild—colonization in only specific areas of gut, either upper or lower intestine. Pathological symptoms of Caenorhabditis elegans (N2) on lawns of PA23 and derivative strains at 88h on nematode growth medium.