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Authors Jiménez

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Jiménez, Diego Javier


Publications
3

CitationNamesAbstract
Engineering the mangrove soil microbiome for selection of polyethylene terephthalate-transforming bacterial consortia Jiménez et al. (2024). Trends in Biotechnology Kaistia cartagenensis Mangrovimarina Mangrovimarina plasticivorans Ts
Andean soil-derived lignocellulolytic bacterial consortium as a source of novel taxa and putative plastic-active enzymes Díaz-García et al. (2024). Systematic and Applied Microbiology 47 (1) Andeanibacterium Andeanibacterium colombiense Ts Pedobacter colombiensis Brevundimonas colombiensis Pseudomonas colombiensis Sphingomonas colombiensis Kaistia colombiensis Microbacterium colombiense Chryseobacterium colombiense Cohnella colombiensis Pseudobacter hemicellulosilyticus Sphingomonas phytovorans Brevundimonas phytovorans Pseudomonas phytovorans Devosia phytovorans Microbacterium phytovorans
Novel bacterial taxa in a minimal lignocellulolytic consortium and their potential for lignin and plastics transformation Díaz Rodríguez et al. (2022). ISME Communications 2 (1) Pristimantibacillus Pristimantibacillus lignocellulolyticus Ts Ochrobactrum gambitense

Novel bacterial taxa in a minimal lignocellulolytic consortium and their potential for lignin and plastics transformation
AbstractThe understanding and manipulation of microbial communities toward the conversion of lignocellulose and plastics are topics of interest in microbial ecology and biotechnology. In this study, the polymer-degrading capability of a minimal lignocellulolytic microbial consortium (MELMC) was explored by genome-resolved metagenomics. The MELMC was mostly composed (>90%) of three bacterial members (Pseudomonas protegens; Pristimantibacillus lignocellulolyticus gen. nov., sp. nov; and Ochrobactrum gambitense sp. nov) recognized by their high-quality metagenome-assembled genomes (MAGs). Functional annotation of these MAGs revealed that Pr. lignocellulolyticus could be involved in cellulose and xylan deconstruction, whereas Ps. protegens could catabolize lignin-derived chemical compounds. The capacity of the MELMC to transform synthetic plastics was assessed by two strategies: (i) annotation of MAGs against databases containing plastic-transforming enzymes; and (ii) predicting enzymatic activity based on chemical structural similarities between lignin- and plastics-derived chemical compounds, using Simplified Molecular-Input Line-Entry System and Tanimoto coefficients. Enzymes involved in the depolymerization of polyurethane and polybutylene adipate terephthalate were found to be encoded by Ps. protegens, which could catabolize phthalates and terephthalic acid. The axenic culture of Ps. protegens grew on polyhydroxyalkanoate (PHA) nanoparticles and might be a suitable species for the industrial production of PHAs in the context of lignin and plastic upcycling.
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