Isolation of a new heterotrophic nitrifying Bacillus sp. strain.
A heterotrophic nitrifier, named Bacillus sp. LY, was newly isolated from a membrane bioreactor (MBR). Bacillus sp. LY could utilize the organic carbon as the source of assimilation when it grew on glucose and ammonium chloride medium companying the formation of oxidized-nitrogen. It also could denitrify nitrate while nitrification. After 24 days incubation, the removal efficiencies of the COD and TN by Bacillus sp. LY were 71.7% and 61.2%, respectively. The phylogenetic analysis of Bacillus sp. LY was performed and the phylogenetic tree of Bacillus sp. LY and the neighbouring nitrifiers was given. Bacillus sp. LY could become a new bacterial resource for heterotrophic nitrification and might play a bioremediation role for nutrient removal.
Yan
Li
L
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200 240, P. R. China.
He
Yi-liang
YL
Kong
Hai-nan
HN
Tanaka
Shuzo
S
Lin
Yan
Y
D001407:Bacillus / Q000145:classification / Q000235:genetics / Q000378:metabolism*; D001483:Base Sequence; D017931:DNA Primers; D009573:Nitrites / Q000378:metabolism*; D010802:Phylogeny; D012336:RNA, Ribosomal, 16S / Q000235:genetics
D017931:DNA Primers; D009573:Nitrites; D012336:RNA, Ribosomal, 16S