Bacterial isolates named LBKURCC419, LBKURCC423 and LBKURCC424 are natural forest soil bacteria isolated using tetracycline and amoxicillin media from the Giam Siak Kecil Bukit Batu Biosphere Reserve, Riau Province. Bacteria from the natural environment need to be characterized to determine the species, the level of resistance to tetracyclines and amoxicillin, the gene coding for resistance…