Figure 2. Catabolic pathways in the bacterial degradation of acenaphthene. Chemical designations: Acenaphthene (A1), 1-acenaphthenol (A2), 1-acenaphthenone (A3), cis-1,2-acenaphthenediol (A4), trans-1,2-acenaphthenediol (A5), 1-hydroxy-2-ketoacenaphthene (A6), 1,2-dihydroxyacenaphthylene (A7), acenaphthenequinone (A8), naphthalene-1,8-dicarboxylic acid (A9), 1,8-naphthalic anhydride (A10), 1-naphthoic acid (A11), 1,2-dihydroxynaphthalene (A12), 1,2-dihydroxy-l,2-dihydro-8-carboxynaphthalene (A13), 1,2-dihydroxy-8-carboxynaphthalene (A14), trans-3-carboxy-2-hydroxybenzylidenepyruvic acid (A15), 3-formyl salicylic acid (A16), 2-hydroxy isophthalic acid (A17), salicylic acid (A18), catechol (A19). Enzyme designations: Acenaphthene monooxygenase (AI), 1-acenaphthenol dehydrogenase (AII), 1-acenaphthenol monooxygenase (AIII, AIV), 1-acenaphthenone monooxygenase (AV), 1,2-dihydroxyacenaphthylene dehydrogenase (AVI, AVII), 1-hydroxy-2-ketoacenaphthene dehydrogenase (AVIII), acenaphthenequinone dioxygenase (AIX), naphthalene-1,8-dicarboxylate decarboxylase (AX)

From

A Review on Origin, Occurrence, and Biodegradation of Polycyclic Aromatic Hydrocarbon Acenaphthene

Somnath Mallick

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