Understanding of bacterial lignin extracellular degradation mechanisms by Pseudomonas putida KT2440 via secretomic analysis

Table 1 Distribution of the detected linkages of corn stover lignin in different treatments^a

Inter linkages (%)	β aryl ether (β-O-4’)	Resinol (β-β')	Phenylcoumaran (β-5')	Spirodienone (β-1)
Corn stover lignin control	38.6	3.53	6.81	1.72
Lignin + H₂O₂	35.7	3.13	6.56	1.37
Lignin + secretome	37.2	3.16	5.86	1.25
Lignin + secretome + H₂O₂	34.2	2.25	5.84	0.97
Lignin + secretome + H₂O₂ + Mn²⁺	33.2	1.83	5.70	0.67

^aContents were expressed as a percentage relative to the total lignin subunits (G + H + S)

ISSN: 2731-3654