Research Article
Plant Beneficial Endophytic Bacteria from the Ethnomedicinal Mussaenda roxburghii (Akshap) of Eastern Himalayan Province, India
Table 1
Results of morphological and biochemical and carbohydrate utilization and enzymatic activity of endophytic bacterial isolates.
| | Characters tested | Endophytic bacterial isolates | | PAK1 | PAK2 | PAK3 | PAK6 | PAK7 | PAK8 | PAK9 |
| | Morphological | | | | | | | | | Colonial surface | Smooth | Smooth | Smooth | Smooth | Concentric | Smooth | Smooth | | Colony edge | Pinpointed | Fluidic smooth | Pinpointed | Pinpointed | Irregular | Pinpointed | Irregular | | Colony elevation | Flat | Flat | Convex | Flat | Raised | Raised | Raised | | Margin | Serrated | Serrated | Entire | Lobate | Lobate | Undulated | Undulated | | Pigmentation | White | White | White | White | Orange | White | Yellowish | | Biochemical | | | | | | | | | Gram stain | − | − | − | − | − | − | − | | Motility | + | + | + | −/+ | −/+ | + | + | | Nitrate reduction | + | + | + | − | + | + | − | | H2S | − | − | − | + | − | + | − | | Indole | − | − | − | − | − | − | − | | MR test | + | + | + | + | + | + | + | | VP test | − | − | − | − | − | − | − | | Citrate utilization | + | − | − | − | − | − | − | | Oxidase | + | + | − | − | + | + | − | | Catalase | + | + | + | + | + | + | + | | Carbohydrate utilization | | | | | | | | | Glucose | − | + | + | + | − | + | + | | Sucrose | − | + | + | + | − | − | + | | Lactose | − | − | + | + | − | − | − | | Mannitol | − | − | + | − | − | − | − | | Mannose | − | + | + | + | + | − | − | | Enzymatic activity | | | | | | | | | Amylase | − | − | − | − | + | + | − | | Gelatinase | − | − | − | − | + | − | − | | Pectinase | − | − | − | + | − | − | + | | Urease | − | − | + | − | − | − | − | | Tentative identification | Pseudomonas sp. | Pseudomonas sp. | Klebsiella sp. | Acinetobacter sp. | Pseudomonas sp. | Pseudomonas sp. | Acinetobacter sp. |
|
|
+: positive reaction; −: negative reaction.
|
