Extremophiles Desulfotomaculum nigrificans (Werkman and Weaver) Campbell and Postgate (ATCC® 19858™) ATCC® Number: 19858™ Deposited As Clostridium nigrificans Werkman and Weaver Strain Designations: NCIB 8395 [Delft 74] Type Strain: no Biosafety Level: 1 For-Profit: $354.00 Non-Profit: $294.99 Qty: Add to Cart Preview Product Compare Biosafety Level: 1 Product Format: freeze-dried Product Sheet Certificateof Analysis SDS Methylobacterium extorquens (Urakami and Komagata) Bousfield and Green (ATCC® 43645™) ATCC® Number: 43645™ Strain Designations: NCIB 9399 [ATCC 23326, DSM 1337, TK 0001] Type Strain: yes Biosafety Level: 1 For-Profit: $354.00 Non-Profit: $294.99 Qty: Add to Cart Preview Product Compare Biosafety Level: 1 Product Format: freeze-dried Product Sheet Certificateof Analysis SDS 1