Project description:The acarviose metabolite acarbose is an a glucosidase inhibitor produced by Actinoplanes sp. SE50/110. It is medically important because it is used in the treatment of type 2 diabetes. In this work a comprehensive proteome analysis of Actinoplanes sp. SE50/110 was carried out. The associated txt and RAW files were used for two different analyses and publications. While one study focused on a comparative analysis of Actinoplanes sp. SE50/110 to elucidate differences in the proteome cultures that were grown with either maltose or glucose, the other study applied spectral counting and analyzed only the maltose-grown cultures to determine the major proteins and their location in the cell. The txt files for the comparative data are labeled as "heavy_light" and of the spectral counting data as "light". Both datasets were derived from the same RAW files.
Project description:We report here the AflR binding motif of Aspergillus flavus for the first time with the aid of ChIP-seq analysis. Of the 540 peak sequences associated with AflR binding events, 66.8% were located within 2 kb upstream (promoter region) of translational start sites. The identified 18-bp binding motif was a perfect palindromic sequence, 5′-CSSGGGWTCGAWCCCSSG’3′ with S representing G or C and W representing A or T. On closer examination, we hypothesized that the 18-bp motif sequence identified contained two identical parts (here called motif A and motif B). Motif A was in positions 8–18 on the upper strand, while motif B was in positions 11-1 on the bottom strand. The inferred length and sequence of the putative motif identified in A. flavus were similar to previous findings in A. parasiticus and A. nidulans. Gene ontology analysis indicated that AflR bound to other genes outside the aflatoxin biosynthetic gene cluster.