The Marisurf project is progressing as planned. Screening was finished in mid 2017 and the consortium has selected 4 of the most promising strains to test further. These strains have desirable characteristics such as the ability to reduce surface tension and to produce foam and or act as an emulsifier. Our end users – Macphie, […]
During the first reporting period Sep 15 through to Feb 17) , the MARISURF team has developed an innovative screening programme to identify surfactants from a large bacterial collection (greater than 500 strains) housed at HWU.
The industrial partners have identified the desirable properties for the bio-surfactants […]
Authors
Karina Sałek and Tony Gutierrez
Abstract
Surface-active agents are amphiphilic chemicals that are used in almost every sector of modern industry, the bulk of which are produced by organo-chemical synthesis. Those produced from biological sources (biosurfactants and bioemulsifiers), however, have gained increasing interest in recent years due to their wide structural and functional diversity, lower […]
Authors
Tony Gutierrez, William B. Whitman, Marcel Huntemann, Alex Copeland, Amy Chen, Nikos Kyrpides, Victor Markowitz, Manoj Pillay, Natalia Ivanova, Natalia Mikhailova, Galina Ovchinnikova, Evan Andersen, Amrita Pati, Dimitrios Stamatis, T. B. K. Reddy, Chew Yee Ngan, Mansi Chovatia, Chris Daum, Nicole Shapiro, Michael N. Cantor, Tanja Woyke
Abstract
Halomonas sp. strain MCTG39a was isolated from coastal sea […]
Authors
Tony Gutierrez, David Berry, Tingting Yang, Sara Mishamandani, Luke McKay, Andreas Teske, Michael D. Aitken
Abstract
Halomonas species are recognized for producing exopolysaccharides (EPS) exhibiting amphiphilic properties that allow these macromolecules to interface with hydrophobic substrates, such as hydrocarbons. There remains a paucity of knowledge, however, on the potential of Halomonas EPS to influence the […]
Authors
Tony Gutiérreza, Vincent V. Leob, Graeme M.Walkerb, David H. Green
Abstract
We report, for the first time, on the production of an emulsifying polymer produced by a Flexibacter species (designated strain TG382). This polymer, E-382,was produced extracellularly during growth of the organism in a marine broth amended with glucose. After cold ethanol precipitation, extensive dialysis […]
Authors
T. Gutierrez, B. Mulloy, K. Black and D. H. Green
Abstract
Aims: To partially purify and characterize bioemulsifiers produced by two new marine Halomonas species, TG39 and TG67, and to compare their emulsifying activities with those of commercial emulsifiers. Methods and Results: The production of emulsifiers HE39 and HE67 was achieved from glucose-supplemented marine broth, and recovered […]
Jenyffer Medeiros Campos, Tania Lucia Montenegro Stamford, Leonie Asfora Sarubbo, Juliana Moura de Luna, Raquel Diniz Rufino, Ibrahim M. Banat
Microbial biosurfactants with high ability to reduce surface and interfacial surface tension and conferring important properties such as emulsification, detergency, solubilization, lubrication and phase dispersion have a wide range of potential applications in many industries. Significant […]
Ibrahim M. Banat
Les recherches sur les surfactants, agents utilisés comme émulsifiants ou dispersants, sont stimulées par les préoccupations écologiques. De nombreux microorganismes producteurs de surfactants biodégradables pourraient permettre, à l’ avenir, de mieux lutter contre les pollutions.