Research Article
Perchlorate-Reducing Bacteria from Hypersaline Soils of the Colombian Caribbean
Table 1
Morphological and biochemical characteristics of isolated strains.
| | Characteristics | BBCOL-023 | BBCOL-024 | BBCOL-025 | BBCOL-026 | BBCOL-027 | BBCOL-028 | BBCOL-029 | BBCOL-031 | BBCOL-032 | BBCOL-033 |
| | Molecular identification | Nesiotobacter sp. | Bacillus vallismortis | Salinivibrio costicola | Vibrio alginolyticus | V. harveyi | B. cohnii | Bacillus spp. | Vibrio sp. | Staphylococcus spp. | B. flexus | | Color of colony | Beige | Yellow | Yellow | Yellow | Yellow | Yellow | Yellow | Yellow | Yellow | Yellow | | Morphology | Rod shaped | Rod shaped | Vibrio shaped | Vibrio shaped | Vibrio shaped | Rod shaped | Rod shaped | Coco shaped | Rod shaped | Rod shaped | | Length (μm) | 1.56 | 1.60 | 1.45 | 0.86 | 0.15 | 1.53 | 3.90 | 1.23 | 1.33 | 3.07 | | Thickness (μm) | 0.7 | 0.65 | 0.68 | 0.76 | 0.62 | 0.6 | 0.8 | 0.7 | 1.28 | 0.79 | | Motility | − | − | + | − | − | + | + | + | − | + | | Gram straining | − | + | − | − | − | + | − | − | + | + | | Endospore | − | + | − | − | − | + | − | − | − | + | | Spore position | + | + | + | + | + | + | + | + | − | − | | Oxidase | + | + | + | + | W | + | + | + | + | + | | Catalase | − | + | − | − | − | + | + | − | + | + | | Arabinose | − | + | + | + | + | + | + | + | + | + | | Mannose | + | − | − | − | − | − | − | − | − | − | | Sucrose | + | + | + | + | + | + | + | + | + | + | | Melibiose | + | + | + | + | + | + | + | + | + | + | | Rhamnose | + | + | + | + | + | + | + | + | + | + | | Mannitol | − | − | + | + | + | + | + | + | + | + | | Adonitol | − | − | − | − | − | − | − | − | − | − | | Galactose | + | + | + | + | + | + | + | + | + | + | | Inositol | − | − | − | − | − | − | − | − | − | − | | p-n-p-Phosphate | − | − | + | − | + | − | − | − | + | − | | p-n-p a-ß-Glucoside | V | − | − | − | + | − | V | − | − | − | | p-n-p-ß-Galactoside | + | + | + | + | + | − | + | + | + | + | | Prolinenitroanilide | − | − | − | − | + | − | − | − | − | − | | p-n-p bis-Phosphate | − | − | − | − | − | − | − | − | − | − | | p-n-p-Xyiloside | + | + | + | + | + | − | + | + | + | + | | p-n-p-a-Arabinoside | + | + | + | + | + | − | + | + | + | + | | p-n-p-Phosphorylcholine | − | − | − | − | − | − | − | − | − | − | | p-n-p-ß-Glucuronide | − | − | − | − | − | − | − | − | − | − | | p-n-p-N-Acetylglucosamide | − | − | − | + | + | − | − | + | − | − | | γ-L-Glutamyl-p-nitroanilide | − | − | − | − | − | − | − | − | − | − | | Aesculin | + | + | + | + | + | + | + | + | + | + | | p-Nitro-DL-phenylalanine | − | − | − | − | − | − | − | − | − | − | | Urea | − | − | − | − | − | − | − | − | − | − | | Glycine | − | − | − | − | − | − | − | − | − | − | | Citrate | V | − | W | + | + | − | V | − | W | + | | Malonic acid | + | + | + | + | + | + | + | + | + | + | | Triphenyltetrazoliumchloride | + | + | + | + | + | + | + | + | + | + | | Lactose | + | + | + | + | + | + | + | + | + | + | | Bacteriolytic capacity | + | + | + | + | + | + | + | + | + | + | | Cellulolytic capacity | − | − | − | − | − | − | − | − | − | − | | Nitrate reduction | + | + | + | + | + | + | + | + | + | + | | Indole | − | − | − | − | − | − | − | − | − | − | | ONPG | − | − | − | − | − | − | − | − | − | − | | Ornithine utilization | − | − | − | − | − | − | − | − | − | − | | H2S production | − | − | − | − | − | − | − | − | − | − | | Voges–Proskauer’s test | − | + | + | − | − | − | − | − | − | − | | Methyl red | − | − | − | − | − | − | − | − | − | − | | Sorbitol | + | − | − | − | − | − | − | − | − | − |
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+, positive reaction; −, negative reaction; W, weakly positive reaction; V, variable reaction.
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