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Original Paper | 07-June-2016

Characterization of Bacteria Isolation of Bacteria from Pinyon Rhizosphere, Producing Biosurfactants from Agro-Industrial Waste

Two hundred and fifty bacterial strains were isolated from pinyon rhizosphere and screened for biosurfactants production. Among them, six bacterial strains were selected for their potential to produce biosurfactants using two low cost wastes, crude glycerol and lactoserum, as raw material. Both wastes were useful for producing biosurfactants because of their high content in fat and carbohydrates. The six strains were identified by 16S rDNA with an identity percentage higher than 95%, three

Arnoldo Wong-Villarreal, Lizbeth Reyes-López, Hipólito Corzo González, Cristina Blanco González, Gustavo Yáñez-Ocampo

Polish Journal of Microbiology, Volume 65 , ISSUE 2, 183–189

Original Paper | 10-December-2018

Epilithic Biofilms in Lake Baikal: Screening and Diversity of PKS and NRPS Genes in the Genomes of Heterotrophic Bacteria

underwent phylogenetic analysis of 16S rRNA genes. The identification of PKS and NRPS genes in the strains investigated was demonstrated among the homologues the genes involved in the biosynthesis of antibiotics (bacillaene, difficidine, erythromycin, bacitracin, tridecaptin, and fusaricidin), biosurfactants (iturin, bacillomycin, plipastatin, fengycin, and surfactin) and antitumor agents (epothilone, calyculin, and briostatin). Bacillus spp. 9A and 2A strains showed the highest diversity of PKS and

ELENA SUKHANOVA, EKATERINA ZIMENS, OKSANA KALUZHNAYA, VALENTINA PARFENOVA, OLGA BELYKH

Polish Journal of Microbiology, Volume 67 , ISSUE 4, 501–516

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