Table 4 Results of biosurfactant production assays with different members of the consortium
From: Asphaltene biotransformation for heavy oil upgradation
Strain | Drop collapse assay | Microplate assay | Oil displacement assay | Cooper Goldberg assay | Surface tension reduction below 45 mN/m |
|---|---|---|---|---|---|
Arthrobacter sp. IITD 100 | – | – | – | – | – |
Arthrobacter sp. IITD 101 | – | – | – | – | – |
Rhodococcus sp. IITD 102 | Positive | – | Positive | Positive | Positive |
Barrientosiimonas sp. IITD 103 | – | – | – | – | – |
Lysinibacillus sp. IITD 104 | Positive | Positive | Positive | Positive | Positive |
Sporosarcina sp. IITD 105 | – | – | – | – | – |
Bacillus sp. IITD 106 | Positive | Positive | Positive | Positive | Positive |
Micrococcus sp. IITD 107 | – | – | – | – | – |
Paenibacillus sp. IITD 108 | Positive | – | Positive | Positive | Positive |