Microbial ecology in selenate‐reducing biofilm communities: Rare biosphere and their interactions with abundant phylotypes

Selenate (SeO42−) reduction in hydrogen (H2)‐fed membrane biofilm reactors (H2‐MBfRs) was studied in combinations with other common electron acceptors. We employed H2‐MBfRs with two distinctly different conditions: R1, with ample electron‐donor availability and acceptors SeO42− and sulfate (SO42−),...

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