Physicochemical data (Table S1), comparison of the nirK and nirS sequences of pure isolates with nitrite reductase gene sequences from the NCBI database (Table S2), schematic of the MHGC field indicating source water, as well as injection and production wells (Fig. S1), reduction of nitrate to nitrite with VFA as the electron donor by concentrated 14IW consortia at different temperatures (Fig. S2), reduction of nitrate and formation of nitrite by 18PW samples incubated at 40°C using BTEX compounds, dissolved in HMN, as the electron donor and nitrate as the electron acceptor (Fig. S3), microbial community composition (Fig. S4), temperature dependence of strain growth (Fig. S5), and incubation of deposited tNRB cultures (Fig. S6).
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