1.3.1.40 A new metabolic pathway for meta ring-fission compounds of biphenyl Pseudomonas cruciviae 1.3.1.40 Purification and some properties of 2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoic acid (HOPDA) reducing enzyme from Pseudomonas cruciviae S93B1 involved in the degradation of biphenyl Pseudomonas cruciviae