Bacteriocins are proteinaceous, ribosomally synthesized bio-molecules having major roles in food preservation due to their antimicrobial action against food spoilage microorganisms. These have gained importance in the last decades because of increasing interest in natural products and their applications in the field of biopreservation, pharmaceutical, aquaculture, livestock, etc. Their production is quite expensive which includes the cost of synthetic media and downstream processing of which 30% of the total production cost relies on synthetic media and nutritional supplements used for growth of microorganisms. The low cost agro-industrial by-products, rich in nutritional supplements, can act as a good substitute for high valued synthetic media. This review provides comprehensive information on the use of cost effective, renewable agro-industrial by-products as substrates for the production of bacteriocins and their application in food as biopreservatives.
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http://dx.doi.org/10.3109/07388551.2014.947916 | DOI Listing |
Inorg Chem
January 2025
Institut Lavoisier de Versailles, UMR CNRS 8180, UVSQ, Université Paris-Saclay, 78035 Versailles, France.
An effective approach for the immobilization and protection of biological entities is their encapsulation via the in situ synthesis of metal-organic frameworks (MOFs). To ensure the preservation of the bioentities, mild synthetic conditions, including aqueous media and ambient conditions (temperature and pressure), are preferred. In this study, we investigated the synthesis of various aluminum polycarboxylate-based MOFs, including the fumarate, terephthalate, amino-terephthalate, and muconate forms of MIL-53(Al), as well as the MIL-110 and MIL-160 MOF types.
View Article and Find Full Text PDFFront Microbiol
January 2025
College of Resource and Environmental Science, Hubei University, Wuhan, China.
Bioremediation of trichloroethene (TCE)-contaminated sites often leads to groundwater acidification, while nitrate-polluted sites tend to generate alkalization. TCE and nitrate often coexist at contaminated sites; however, the pH variation caused by nitrate self-alkalization and TCE self-acidification and how these processes affect nitrate reduction and reductive dichlorination, have not been studied. This study investigated the interaction between nitrate and TCE, two common groundwater co-contaminants, during bioreduction in serum bottles containing synthetic mineral salt media and microbial consortia.
View Article and Find Full Text PDFNat Commun
January 2025
Department of Surgery, University of California, San Francisco, San Francisco, CA, USA.
Blood transfusion plays a vital role in modern medicine, but frequent shortages occur. Ex vivo manufacturing of red blood cells (RBCs) from universal donor cells offers a potential solution, yet the high cost of recombinant cytokines remains a barrier. Erythropoietin (EPO) signaling is crucial for RBC development, and EPO is among the most expensive media components.
View Article and Find Full Text PDFBiomed Phys Eng Express
January 2025
Ingeniería y Tecnología, Universidad Nacional Autonoma de Mexico Facultad de Estudios Superiores Cuautitlan, Av. 1o de Mayo S/N, Santa María las Torres, Campo Uno, 54740 Cuautitlán Izcalli, Edo. de Méx., Cuautitlan Izcalli, Estado de México, 54740, MEXICO.
Hemodialysis is a crucial procedure for removing toxins and waste from the body when kidneys fail to perform this function effectively. This study addresses the need to improve the efficiency and biocompatibility of membranes used in dialyzers. We simulate fluid flow through two types of membranes, Cuprophan (cellulosic) and AN69ST (synthetic), to understand the complex mechanisms involved and quantify key variables such as pressure, concentration, and flow.
View Article and Find Full Text PDFFront Microbiol
January 2025
Research Institute of International Agriculture, Technology and Information, Hankyong National University, Anseong-si, Republic of Korea.
Volatile organic compounds (VOCs) produced by potential plant growth-promoting rhizobacteria (PGPR) play an important role in plant interactions. However, the mechanisms underlying this phenomenon are not well understood. Our findings show that the influence of VOCs from the PGPR strain (EXTN-1) on tobacco plant growth is dependent on the culture media used.
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