Table 1.

Morphological characteristics of the tropical riverbed bacterial isolates

No.	Isolate	Colony morphology	No.	Isolate	Colony morphology
1	MS1	Circular, raised, yellow	13	MS13	Irregular, concave, white
2	MS2	Creamish, umbonate,	14	MS14	Irregular, convex, pale yellow
3	MS3	Circular, flat, milky white	15	MS15	Circular, raised, pale peach
4	MS4	Circular, raised, peach	16	MS16	Circular, flat, red
5	MS5	Circular, flat, orange	17	MS17	Irregular, flat orange
6	MS6	Circular, raised green	18	MS18	Irregular, raised, yellow
7	MS7	Circular, flat, pale yellow	19	MS19	Irregular, white, convex
8	MS8	Irregular, raised, yellow	20	MS20	Irregular, creamish, flat
9	MS9	Circular, raised, white	21	MS21	Circular, convex, brown
10	MS10	Circular, raised, orange	22	MS22	Circular, raised, dark yellow
11	MS11	Circular, convex, purple	23	MS23	Threadlike projections, white
12	MS12	Circular, convex yellow	24	MS24	Circular, convex, black

All positive bacterial isolates formed colonies on NA and were stored at room temperature