Isolation of a novel multiple-heavy metal resistant Lampropedia aestuarii GYF-1 and investigation of its bioremediation potential

Table 2 Minimum inhibition concentration of isolate GYF-1

Minimum inhibition concentration of strain GYF-1 in LB medium supplemented with indicated heavy metal (n = 5)
Heavy metal	0.01mM	0.1mM	0.2mM	0.4mM	0.6mM	0.8mM	1mM	2mM	4mM	6mM	8mM	10mM	0.1 M	MIC (mM)
Cd²⁺	+++	+++	+++	++	++	++	+	+	/	/	/	/	/	2
Cr⁶⁺	+++	+++	+++	+++	+++	+++	+++	+++	+++	++	+	/	/	8
Cu²⁺	+++	+++	+++	+++	+++	+++	++	++	+	+	/	/	/	6
Ni²⁺	+++	+++	+++	+++	+++	+++	+++	+++	+	/	/	/	/	4
Pb²⁺	+++	+++	+++	+++	+++	+++	+++	+++	++	++	/	/	/	6
Zn²⁺	+++	+++	++	++	+	+	/	/	/	/	/	/	/	0.8
Fe²⁺	+++	+++	+++	+++	+++	+++	+++	+++	+	/	/	/	/	4

‘/’ means OD₆₀₀ < 0.1; ‘+’ means OD₆₀₀ < 0.2; ‘++’ means 0.2 < OD₆₀₀ < 0.4; ‘+++’ means OD₆₀₀ > 0.4, respectively, after 48 h aerobic incubation at 30^oC. The seeds were inoculated to LB supplemented with indicated heavy metals at OD₆₀₀ of 0.05

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