The ectomycorrhizal basidiomycete Hebeloma circinans harbors a linear plasmid encoding a DNA- and RNA polymerase.
Bai X, Debaud JC, Schr?nder J, Meinhardt F. The ectomycorrhizal basidiomycete Hebeloma circinans harbors a linear plasmid encoding a DNA- and RNA polymerase. J Gen Appl Microbiol. 1997 Oct; 43(5):273-279.