Fig. 1From: Community of thermoacidophilic and arsenic resistant microorganisms isolated from a deep profile of mine heapsMicrobial biomass after 4 (a) and 7 (b) days in cultures with samples obtained from two mine heaps (T and Q), at depths of 18 (Q18), 27 (T27), 54 (T54) and 63 (Q63) meters. h cultured with yeast extract, 2% w/v. Solid columns with As; columns with horizontal lines controls without As; bars standard errors.Back to article page