8272
Expression of thiamin biosynthetic genes ( thiCOGE ) and production of symbiotic terminal oxidase cbb3 in Rhizobium etli .
 thiCOGE, symbiotic terminal oxidase cbb3
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 thiCOGE, symbiotic terminal oxidase cbb3