Table 1.

Proportions of minerals formed in the UM cultures with and without added heavy metals (semi-quantitatively assessed using MATCH software).

Strain/Medium	Providencia rettgeri (AZ2)	Pseudomonas aeruginosa (QD5)	Pseudomonas aeruginosa (QZ9)
UM	Calcite 92%, Brushite 8%	Calcite 88%, Brushite 12%	Calcite 82%, Brushite 18%
UM-Cu	Brushite 95%, calcite 5%,	Brushite 62%, calcite 38%	Brushite 94%, calcite 4%,
UM-Cr	Chromium oxide 30%, calcite 77%	Chromium oxide 77%, Calcite 33%,	Chromium oxide 66%, calcite 34%
UM-Ni	Brushite 83%, Calcite 17%	Brushite 99%, Calcite 1%	Brushite 61%, Calcite 39%
UM-Cd	Calcite 70%, Cadmium phosphate 30%	Calcite 89%, Brushite 11%	Calcite 77% Brushite 23%,
UM-Zn	Calcite 77%, Brushite 23%,	Calcite 97%, Brushite 3%	Calcite 95%, Brushite 5%,