1762
Transcription of the first operon coding for m - xylene - degrading enzymes on the TOL plasmid of Pseudomonas putida is activated by the xylR gene product in the presence of m - xylene .
 xylR gene product
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 xylR gene product