Research Article
Reduction of Contaminants (Physical, Chemical, and Microbial) in Domestic Wastewater through Hybrid Constructed Wetland
Table 1
Microscopic and biochemical characterization of isolated bacterial strains from rhizosphere of Paspalidium flavidum.
| | Strains | Microscopy | Fermentation | H2S test | NO3 test | Indole test | MR test | VP test | Citrate test | Urease test | Catalase test | TSI test | Identified microorganism | | Morphology | Gram staining | Lactose | Dextrose | Sucrose |
| | 1 | Rods | − | − | AG | AG | + | + | + | + | − | | + | + | − | Proteus sp. | | 2 | Rods | − | AG | AG | AG | − | + | − | | | + | + | + | − | Klebsiella sp. | | 3 | Rods | − | AG | AG | A | − | + | + | + | − | − | − | + | A/NC | Escherichia coli | | 4 | Short rods | − | − | A | A | − | + | | + | − | − | − | + | K/A, H2S | Shigella sp. | | 5 | Cocco-bacillus | − | − | − | − | − | − | − | − | − | | − | + | − | Alcaligenes sp. | | 6 | Short rods | − | − | AG | A | + | + | − | + | − | + | − | + | K/A, H2S | Salmonella sp. | | 7 | Rods | − | AG | AG | AG | − | + | − | − | + | + | − | + | K/A | Enterobacter sp. | | 8 | Rods | + | − | A | A | − | + | − | − | | − | − | + | A/NC | Bacillus sp. | | 9 | Rods | − | − | − | − | − | + | − | − | − | + | − | + | − | Pseudomonas sp. | | 10 | Cocci | + | − | − | − | − | | − | − | − | − | + | + | K/NC | Micrococcus sp. | | 11 | Cocci | + | A | A | A | − | + | − | + | | − | − | + | A/A | Staphylococcus sp. |
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Key: AG: acid and gas; +: positive; −: negative; ±: variable reaction; A: acid production; K: alkaline reaction; NC: no change; H2S: Sulfur reduction; K/A: Red/yellow; K/NC: Red/no color change; K/A, H2S: red/yellow with bubble and black precipitate; A/NC: acid/no color change; A/A: yellow/yellow.
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