3.5.1.106 Deciphering the genetic determinants for aerobic nicotinic acid degradation: The nic cluster from Pseudomonas putida KT2440 Pseudomonas putida 3.5.1.106 Deciphering the genetic determinants for aerobic nicotinic acid degradation: The nic cluster from Pseudomonas putida KT2440 Pseudomonas putida KT 2240