Screening and Characterization of Thermostable Amylase-Producing Bacteria Isolated from Soil Samples of Afdera, Afar Region, and Molecular Detection of Amylase-Coding Gene

Table 1

Diameter of average clear zone ratio formed by selected bacteria and the time taken to decolorize iodine solution.

Code	Diameter of average clear zone ratio (mm)	Time to decolorize iodine solution (s)
M1	3.933 ± 0.115^i	17.0 ± 1.0^d
M2	4.73 ± 0.115^j	12.33 ± 0.577^c
M3	2.36 ± 0.057^e	72.67 ± 2.082^g
M4	1.90 ± 0.173^d	82.67 ± 2.517^i
M5	1.23 ± 0.057^bc	97.67 ± 1.528^k
M6	3.03 ± 0.057^g	33.67 ± 1.528^f
M7	3.36 ± 0.1527^h	30.0 ± 1.0^e
M8	4.96 ± 0.057^k	9.67 ± 0.577^b
M9	2.66 ± 0.152^f	70.67 ± 1.15^g
M10	2.40 ± 0.10^e	75.0 ± 1.0^h
M11	1.90 ± 0.10^d	71.67 ± 1.52^g
M12	1.10 ± 0.10^ab	110.33 ± 1.528^l
M13	5.96 ± 0.057^l	6.67 ± 0.577^a
M14	1.03 ± 0.057^a	98.00 ± 1.00^k
M15	1.366 ± 0.152^c	91.67 ± 1.528^j

Mean values within the column followed by the same letter are not significantly different ().