Mangal A Chaudhari, Pratiksha R Wankhede, Kiran S Dalal, Arun D Kale, Dipak S Dalal, Bhushan L Chaudhari
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Lentilactobacillus farraginis FSI (3): a whole cell biocatalyst for the synthesis of kojic acid derivative under aquatic condition.
Kojic acid derivatives are useful in the cosmetics and pharmaceutical industries. The current investigation focuses on the search for a safe and environmentally friendly newer whole-cell biocatalyst for the synthesis of kojic acid derivative especially 2-amino-6-(hydroxymethyl)-8-oxo-4-phenyl-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile (APhCN). In this context, a total of six cultures were isolated from fecal samples of infants and subjected to probiotic characterization followed by screening as whole cell biocatalyst (WCB). In this multicomponent reaction, benzaldehyde, malononitrile, and kojic acid were used to synthesize APhCN at room temperature under aqueous conditions. The screening of potent whole cell biocatalyst (WCB) from isolated cultures was done by comparing reaction time and percent yield. The potent WCB gave a good yield of 95% within 15 h of time and hence further characterized biochemically and identified as Lentilactobacillus farraginis by using 16S rRNA gene sequencing. Lactobacilli having GRAS (generally regarded as safe) status and being able to carry out this transformation under moderate reaction conditions with easy recovery of both product and biocatalyst, it has the potential to replace some of the chemical catalytic methods.
期刊介绍:
Biotechnology Letters is the world’s leading rapid-publication primary journal dedicated to biotechnology as a whole – that is to topics relating to actual or potential applications of biological reactions affected by microbial, plant or animal cells and biocatalysts derived from them.
All relevant aspects of molecular biology, genetics and cell biochemistry, of process and reactor design, of pre- and post-treatment steps, and of manufacturing or service operations are therefore included.
Contributions from industrial and academic laboratories are equally welcome. We also welcome contributions covering biotechnological aspects of regenerative medicine and biomaterials and also cancer biotechnology. Criteria for the acceptance of papers relate to our aim of publishing useful and informative results that will be of value to other workers in related fields.
The emphasis is very much on novelty and immediacy in order to justify rapid publication of authors’ results. It should be noted, however, that we do not normally publish papers (but this is not absolute) that deal with unidentified consortia of microorganisms (e.g. as in activated sludge) as these results may not be easily reproducible in other laboratories.
Papers describing the isolation and identification of microorganisms are not regarded as appropriate but such information can be appended as supporting information to a paper. Papers dealing with simple process development are usually considered to lack sufficient novelty or interest to warrant publication.