1045
Northern analysis of RNA samples isolated from ammonium - grown cultures of the ntcA mutant showed reduced amounts of glnA message and the absence of a 1 . 7 - kb transcript .
 GENE: ntcA mutant; GENE: glnA message
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: ntcA mutant; GENE: glnA message