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Title: Utilization of Tannic Acid by Bacteria in Tropical Aquatic and Soil Environments
Authors: Olumuyiwa, Emmanuel
Amund, Olukayode O.
Ilori, Matthew
Schmidt, Stefan
Keywords: Lagoon
Mangrove forest soil
Klebsiella pneumoniae
Pantoea cypripedii and gallotannin
Issue Date: 1-Dec-2020
Publisher: JMBFS
Citation: Olumuyiwa, E.,Amund O., Ilori M., Schmidt S. (2020). Utilization of Tannic Acid by Bacteria in Tropical Aquatic and Soil Environments. JMBFS
Abstract: Two bacterial strains designated as EO1 and EO2, were isolated by selective culture enrichment from Lagos lagoon water and mangrove soil samples. They were subsequently identified based on morphological and physiological characteristics as well as 16S rRNA gene sequence analysis as Klebsiella pneumoniae strain EO1 and Pantoea cypripedii strain EO2 with accession numbers KX355800 and KX355801. Microbial growth assessment was performed in triplicates under aerobic batch conditions. The two isolates were capable of utilizing tannic acid, gallic acid, glucose, succinate, benzoic acid, and protocatechuic acid as sole carbon sources. Growth experiments along with enzymatic studies indicated that the organisms hydrolyzed tannic acid through gallic acid and pyrogallol as metabolic intermediates. The organisms have potential for the elimination of polyphenolic pollutants such as gallotannins associated with wood residues in Nigerian estuarine environments.
URI: 10.15414/jmbfs.2020.10.3.335-343
Appears in Collections:Research Articles

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