As a contradiction to some of the previous reports, Alphaproteobacteria
instead of Betaproteobacteria [52,53] was found to be
the dominant group in LASA–SBR.However, this result is also at
par with some of the previous reports [54,55] where Betaproteobacteria
population in the mixed liquor were limited in comparison
to Alphaproteobacteri