Table 2

Characterization of the precipitates induced by isolated marine bacteria and Sporosarcina pasteurii DSM 33 as strain model, developed in four solid and liquid culture media, MB + CaCl2, MB + CaCl2 + urea, M1 + CaCl2, M1 + CaCl2 + urea.

  Culture media
    MB + CaCl2 MB + CaCl2 + urea M1 + CaCl2 M1 + CaCl2 + urea MB + CaCl2 MB + CaCl2 + urea M1 + CaCl2 M1 + CaCl2 + urea
Bacterial strains CD1 □−d □−cs Φ Φ Δ Φ
CD2 □−cs □−cs Φ Φ Φ Φ
CD3 □−d □−d Φ Φ Δ Δ
CD4 □−cs □−d Φ Φ Δ Φ
CD5 □−u □−d Φ Φ Δ Φ
CD6 □−u □−u Φ Φ Φ Δ
CD7 □−cs □−d Φ Φ Φ Δ
CD8 □−d □−d Φ Δ−cs Φ Δ
CD9 □−d □−d □−u □−d
CD10 □−d □−d □−u □−d
Md1 □−d □−d □−d □−d
SW1 □−d □−d □−d □−cs
SW2 □−d □−d □−d □−d
SW3 □−d □−d □−d □−d
Sporosarcina pasteurii DSM 33* □−s □−s β □−u ß

Optical microscopy and Raman spectroscopy were used on precipitates induced in solid media and only Raman analyses were done in liquid media. □: calcite type-CaCO3; Δ: undetermined type-CaCO3; Φ: no precipitates induced; β: no bacteria growth; d: dumbbell shape; cs: contiguous sphere shape; s: sphere shape; u: undetermined shape.

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