2976
Similar to what was observed for P . putida , a psrA null mutant of P . aeruginosa also showed a 90 % reduction in rpoS promoter activity ; both mutants could be complemented for rpoS promoter activity when the psrA gene was provided in trans . psrA mutants of both Pseudomonas species lost the ability to induce rpoS expression at stationary phase , but they retained the ability to produce quorum - sensing autoinducer molecules .
 GENE: psrA; GENE: rpoS promoter; GENE: rpoS promoter; GENE: psrA gene; GENE: psrA mutants; GENE: rpoS
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: psrA; GENE: rpoS promoter; GENE: rpoS promoter; GENE: psrA gene; GENE: psrA mutants; GENE: rpoS