... Expression of the Pycnoporus cinnabarinus laccase gene in Aspergillus niger and characterization of the recombinant enzyme Eric Record1, Peter J. Punt2, ... pLac1-A and pLac1-B contained the laccase cDNA corresponding to the laccase gene, lac1 from P. cinnabarinus (GenBankaccessionnoAF170093) (Fig. 1). In pLac1- B, the 21 amino acids of the laccase ... construction in o rder to study the timecourse of the laccase activity.Study of the recombinant laccase production in A. niger For both expression v ectors, the laccase activity was found in the culture...