Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Activation of a silent gene cluster (pyn cluster) in A. niger. a The pyn gene cluster for the biosynthesis of pyranonigrin E1. b The experimental design for the overexpression of the transcription factor, pynR. c The culture of the pynR-expressed mutant (AnKW2) and the wild type (WT). d HPLC analysis of AnKW2 and WT. The chromatogram was monitored at λ = 280 nm. e RT-PCR analysis of the pyn cluster
