Research Article

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

Table 2

Morphological characterization of bacterial isolates.

ParametersBacterial isolates
Macroscopic and microscopic characterizationM2M8M13

Cell shapeLong, rodLong, rodShort, rod
Cell arrangementChainChainChain
Colonial pigmentationWhiteCreamyCreamy
Gram staining+++
Spore staining+++
Motility test+++

Key: + = positive; − = negative.