1146
Restriction analysis and Southern hybridization revealed the presence of Tn5422 in all the plasmid - mediated cadmium - resistant L . monocytogenes strains tested but not in strains encoding cadmium resistance on the chromosome .
 GENE: Tn5422
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Tn5422