The present invention relates to a DNA derived from microorganisms of the genus Rhodococcus and conferring kanamycin resistance on hosts with a DNA sequence coding for the amino acid sequence of Sequence No. 1 or a polypeptide containing a partial sequence thereof. The kanamycin resistance...http://www.google.com.au/patents/US5776771?utm_source=gb-gplus-sharePatent US5776771 - Kanamycin resistance gene derived from microorganisms of the genus rhodococcus 