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Cloning of the xynZF-2 gene from A. niger XZ-3S. a Amplification of a cDNA fragment encoding the mature peptide. Lane 1 cDNA transcripted with OT was amplified with degenerative primer P1 together with primer M13; lane M DNA marker. b Amplification of the DNA fragment encoding the mature peptide. Lane 1 a 746 bp fragment was obtained by PCR amplification with primers P1 and P2; lane M DNA marker
