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Perspective on the use of synthetic biology in rudimentary food fermentations

Systems Microbiology and Biomanufacturing 2023年第1期3卷 150-165页

作者： Alexander da Silva Vale Gilberto Vinícius de Melo Pereira Leonardo Martins Santana Dão Pedro de Carvalho Neto Brigitte Sthepani Orozco Colonia vanete thomaz soccol Bruna Leal Maske Carlos Ricardo soccol Department of Bioprocess Engineering and Biotechnology Federal University of Paraná(UFPR)CuritibaPRBrazil Department of Genetics University of São Paulo(USP)Ribeirão PretoSPBrazil Federal Institute of Education Science and Technology of Paraná(IFPR)LondrinaPRBrazil

Rudimentary food fermentation can be defined as a spontaneous process of conversion of food components through enzy-matic action.A great variety of fermented foods are produced using spontaneous approaches;however,cocoa and coffee represent the most important agricultural commodities on international markets.As a manner to increase the efficiency of these processes,starter cultures have been developed and applied under field conditions.The selection process begins with the recovery of microbial strains from spontaneous fermentation through phenotypic and metabolic traits.Next,mutation-based breeding is used to develop and improve well-adapted starter cultures.With advances in synthetic biology,especially in the last decade,the development of robust cellular fabrications with high fermentative capacity has become easier-largely due to the development of genomic approaches,such as next-generation sequencing techniques,CRISPR-Cas system and bioinformatics tools.This review brings prospects on the use of synthetic biology to design new robust strains for use in cocoa and coffee fermentations,but which can be extended to other rudimentary foods.In addition,metabolic traits and target genes(e.g.,UvrA,RecA,GPD1,and GPP2)are proposed as a starting point for the improvement of cocoa and coffee starters.Finally,the regulatory and safety requirements for these food crops are addressed.This review aims to stimulate research on the process of fermentation and the associated synthetic biology tools to produce fermented food efficiently and sustainably.

关键词： Coffee fermentation Cocoa fermentation Starter cultures CRISPR-Cas Synthetic promoters

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Solid-state fermentation technology and innovation for the production of agricultural and animal feed bioproducts

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Systems Microbiology and Biomanufacturing 2021年第2期1卷 142-165页

作者： Luciana P.S.Vandenberghe Ashok Pandey Julio C.Carvalho Luiz A.J.Letti Adenise L.Woiciechowski Susan G.Karp vanete thomaz-soccol Walter J.Martinez-Burgos Rafaela O.Penha Leonardo W.Herrmann Amanda O.Rodrigues Carlos R.soccol Department of Bioprocess Engineering and Biotechnology Centro PolitécnicoFederal University of ParanáCuritibaPR 81531-990Brazil Centre for Innovation and Translational Research CSIR-Indian Institute of Toxicology ResearchLucknow 226001India

It has now passed more than forty years since solid-state fermentation(SSF)research developments have gained importance for the scientific community.After so many years,numerous processes and equipment for SSF were studied and designed focusing on the production of different commercially relevant bioproducts such as enzymes,fermented food,such as Chinese daqu and koji,organic acids,pigments,phenolic compounds,aromas,biosorbents and so many others.However,no review paper has been focused yet specifically on agricultural and animal feed bioproducts obtained through SSF techniques.This review comprises the description of agricultural sub-products that have been employed in most important developed pro-cesses concerning the production of animal feed products and agricultural products such as spores,probiotics,biofungicides,bioinsecticides and other biopesticides,biofertilizers and plant growth hormones.Major designed SSF bioreactors are also described and the most important related cases of successful employment of the technique are reported.Finally,a summary of patents and innovations regarding SSF products and processes in this area is presented,showing that the main involved countries are China,South Korea,India and the USA.It is clear that the interest in this theme is increasing and that scientific and technological developments are still needed.

关键词： Alternative sub-products Solid-state fermentation bioreactors Animal feed Agricultural bioproducts Probiotics Patents

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