TABLE 1.

Affiliations of bacterial strains isolated from wastewater effluent and downstream and upstream river watera

Genus or speciesNo. of isolates fromb:Total no. of isolates
WWRWDRWU
Achromobacter sp.33
Achromobacter xylosoxidans11
Acinetobacter haemolyticus11
Agromyces mediolanus22
Arthrobacter oxydans11
Arthrobacter protophormiae33
Arthrobacter sp.33
Bacillus aquimaris11
Bacillus cereus516
Bacillus endophyticus11
Bacillus firmus22
Bacillus pumilus11
Bacillus thuringiensis11
Bacillus sp.617
Brevundimonas aurantiaca11
Brevundimonas diminuta33
Caryophanon sp.22
Comamonas testosteroni11
Corynebacterium coyleae11
Corynebacterium sp.22
Enterobacter ludwigii11
Enterobacter sp.11
Escherichia coli213
Exiguobacterium aurantiacum11
Flavobacterium denitrificans11
Klebsiella sp.22
Microbacterium oxydans314
Microbacterium sp.11
Morganella morganii11
Ochrobactrum grignonense516
Ochrobactrum sp.77
Paracoccus versutus11
Pseudochrobactrum asaccharolyticum44
Pseudochrobactrum kiredjianae11
Pseudochrobactrum saccharolyticum11
Pseudochrobactrum sp.123
Pseudomonas fluorescens4143957
Pseudomonas fragi16218
Pseudomonas grimontii11
Pseudomonas mandelii11
Pseudomonas monteilii11
Pseudomonas plecoglossicida11
Pseudomonas psychrophila44
Pseudomonas putida7514897
Pseudomonas resinovorans11
Pseudomonas veronii22
Pseudomonas sp.197430
Rhodococcus erythropolis11
Sphingobacterium faecium22
Sphingobacterium sp.55
Staphylococcus equorum11
Staphylococcus saprophyticus11
Staphylococcus sp.11
Stenotrophomonas maltophilia27734
Stenotrophomonas sp.11
Trichococcus flocculiformis11
Total1898765341
  • a For each sampling site, bacterial isolates from water samples of three sampling times in December 2004, April 2005, and August 2005 were combined.

  • b WW, wastewater effluent; RWD, downstream river water; RWU, upstream river water.