Research Article

Resistance to and Accumulation of Heavy Metals by Actinobacteria Isolated from Abandoned Mining Areas

Table 4

Biochemical and morphological characteristics of 27 metal accumulating isolates.

CharacteristicsStrains
BN3BN4BN24BN68BN72BN13BN17BN22BN25BN48BN7BN73GT1GT2SB30GT15GT6GT39BN82BN2BN9BN12BN69BN71SB22BN23SB31

ISP2+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ISP4++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ISP5+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Arial spore massWGOwOwGWGGGGGVPiWCWWWWWWWWWWWC
Colony reverseBTYBBBTGrTBBPBBLbBLbLbBBTTTBTBLb
Soluble pigment
Melanin on tyrosine agar
C source utilization
 Sucrose±++++++++++++++++++++++
 Fructose++++++++++++++++++++++++++++++++±+++
 Glucose+++++++++++++++++++++++++++++
 Arabinose++++++++++++++++++++++++
 Maltose+++++++++++++++++++++++++++++++++
 Mannose+++++++++++++++++++++±++++
 Mannitol++++++++++++++++++++++++++++++±++++++
 Galactose±±±++++±++++++++++++++++++++±++++
 Inositol±++++++++++++++++++++++++++++++++
 Rhamnose+++++++
 Sorbitol+++++++++++++++++±
 Lactose++++++++++++++++++++++++++++++
 Dextrin+++++++++++

“+” tested positive/utilized as substrate; “−” tested negative/not utilized as substrate; “±” low growth.
B: brown; C: colorless; G: gray; Gr: green; Ow: off white; Lb: light brown; P: purple; Pi: pink; T: tan; V: violet; W: white Y: yellow.