Read e-book online Biology and Biotechnology of Patagonian Microorganisms PDF

By Nelda Lila Olivera, Diego Libkind, Edgardo Donati

The Argentinean Patagonia deals a superb range of scarcely explored environments compatible for the bioprospection of biotechnological correct microorganisms. This ebook presents readers with a concise and obviously illustrated remedy of exceptional issues of Patagonian microbiology and biotechnology. It covers a variety of components fascinating to a number of audiences reminiscent of researchers, graduate scholars and pros engaged on the foodstuff. one of the major themes we'll talk about examples of environmental purposes, similar to heavy steel and hydrocarbon bioremediation, bioprospection of useful molecules from extremophilic micro organism and yeasts, using Patagonian yeasts and lactic acid micro organism in fermented meals and drinks, aquaculture probiotics and yeasts for nutrients biopreservation.

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Ferrero (*) Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Av. Belgrano y Pje. L. Olivera et al. 1 P. Isaac et al. Diversity of Indigenous PAH-Degrading Bacteria and Their Biodegradation Capabilities Extending south of 40°S latitude, the Patagonian coast holds an exceptional biodiversity, sustaining one of the most productive marine ecosystems (Olson and Dinerstein 2002). However, the occurrence of coastal or marine pollution is a permanent risk because of daily oil transportation.

2008; Rojo 2009). Marine microorganisms have been exposed to hydrocarbons during millions of years, such as in natural oil seeps. As a consequence, the capability of hydrocarbon biodegradation has been acquired rather frequently through evolution, and hydrocarbon-degrading microorganisms are widespread in nature (Prince et al. 2010). , Pseudomonas, Alteromonas, Neptunomonas, Marinobacter, Alcanivorax, Cycloclasticus) (Vila et al. 2015), the Alphaproteobacteria (the sphingomonads) (Kertesz and Kawasaki 2010, the Roseobacter clade (Kim and Kwon 2010), and the Actinobacteria (Rhodococcus, Mycobacterium, Nocardioides) (Vila et al.

Monteilii P26/Rhodococcus sp. P18 (C1) showed pyrene removal value of 41 %, whereas P. monteilii P26 showed no pyrene removal capability when grown in pure culture. Interestingly, C3 (P. monteilii P26/Gordonia sp. H19) removed 25 % of pyrene, improving the expected performance more than fourfold. Maximum removal of the mix of hydrocarbons by a mixture of three strains was obtained in a defined mixed culture of P. monteilii P26/Rhodococcus sp. P18/Rhodococcus sp. F27 (C7) capable of degrading nearly 39 % of pyrene from the culture medium.

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