Petroleo Brasileiro SA Brazil

Petrobras is a public corporation dealing with the energy business, with operations in various countries, but mainly in South America. Cenpes is its Research and Development Center, whose purpose is to meet Petrobras technological demands. Petrobras has been using the technology as its basis for consolidation and expansion in the world energy 

The first two patents [150,151] protect the biocatalytic system and its use in the form of whole cells or cell-free extracts or enzymes purified from the organisms. The other claimed organisms in the patent include the thermophilic culture Aneurinibacillus sp. IGTN4T (ATCC N° PTA-4581), P. stutzeri, Yokenella sp. and P. nitroreducens. The following text gives the details of the strain PTA-806, since the others have not been reported in much detail. 

The patent documents indicated a nitrogen removal of only 5%, which most likely corresponded to the quinoline conversion of 68%. However, quinoline was thought to be denitrogenated through the coumarin pathway, but instead its total degradation was reported. 

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