Research Article
Endosymbiotic Bacteria Associated with the Mealy Bug, Rhizoecus amorphophalli (Hemiptera: Pseudococcidae)
Table 1
Phenotypic characters of bacterial isolates from mealy bug, Rhizoecus amorphophalli.
(a) |
| Isolate | Colony characters | Gram reaction | Shape | Acid production | ONPG | Dextrose | Lactose | Sucrose | Mannitol | Maltose | Fructose | Starch |
| Rhizo 1 | Circular, entirely flat | P | Rod | P | P | N | N | N | N | N | N | Rhizo 2 | Circular, entirely flat | P | Rod | P | P | N | N | N | N | N | N | Rhizo 3 | Circular, entirely flat | P | Rod | P | P | N | N | N | N | N | N | Rhizo 4 | Irregular, creamy yellow, lobate | P | Cocci | P | P | P | P | P | P | P | N | Rhizo 5 | Small, irregular, lobate, white | P | Cocci | P | P | P | P | P | P | P | N |
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(b) |
| Isolate | Urease | IMViC | TSI | Nitrate production | MIO | Motility | Phenotypic identification | 16S rDNA identification | Indole | MR | VP | Citrate |
| Rhizo 1 | SP | N | N | N | P | Acidic slant, acidic butt | P | N | Motile | Bacillus sp. | Bacillus subtilis | Rhizo 2 | SP | N | N | N | P | Acidic slant, acidic butt | P | N | Motile | Bacillus sp. | Bacillus subtilis | Rhizo 3 | SP | N | N | N | P | Acidic slant, acidic butt | P | N | Motile | Bacillus sp. | Bacillus subtilis | Rhizo 4 | P | N | P | N | P | Acidic slant, acidic butt | P | N | Motile | Staphylococcus sp. | Staphylococcus gallinarum | Rhizo 5 | P | N | N | N | P | Acidic slant, acidic butt | P | N | Nonmotile | Staphylococcus sp. | Staphylococcus saprophyticus |
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P: positive, N: negative, and SP: slightly positive.
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