Research Article
Arsenic-Redox Transformation and Plant Growth Promotion by Purple Nonsulfur Bacteria Rhodopseudomonas palustris CS2 and Rhodopseudomonas faecalis SS5
Table 1
Characteristics of As-resistant PNSB isolated in this study.
| | Strain | Gram reaction | Spore staining | Catalase | Oxidase | Auxin production | HCN production | Phosphate | As(V)-reduction | As(III)-oxidation |
| | CS1 | Gram-negative | − | Positive | Positive | + | +++ | − | +++ | − | | CS2 | Gram-negative | − | Positive | Positive | + | ++ | − | +++ | − | | CS4 | Gram-negative | − | Positive | Positive | + | − | − | +++ | − | | SS5 | Gram-negative | − | Positive | Positive | + | +++ | − | − | +++ | | SS6 | Gram-negative | − | Positive | Positive | + | − | + | +++ | − | | SS7 | Gram negative | − | Positive | Positive | + | ++ | − | − | + | | SS8 | Gram-negative | − | Positive | Positive | + | − | − | + | − | | SS9 | Gram-negative | − | Positive | Positive | + | − | − | − | + |
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