Genome-Resolved Metagenomics of Rice Straw Degradation Experiments in Colombian Fields

Yepes-García, Jeferyd; Novoa-Montenegro, Nicolás; Otero-Jiménez, Vanessa; Uribe-Vélez, Daniel; Barreto-Hernández, Emiliano; Falquet, Laurent

doi:10.1038/s41597-025-06113-2

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Genome-Resolved Metagenomics of Rice Straw Degradation Experiments in Colombian Fields

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Yepes-García, Jeferyd ORCID University of Fribourg
Novoa-Montenegro, Nicolás Universidad Nacional de Colombia
Otero-Jiménez, Vanessa University of Idaho
Uribe-Vélez, Daniel Universidad Nacional de Colombia
Barreto-Hernández, Emiliano Universidad Nacional de Colombia
Falquet, Laurent ORCID University of Fribourg

2025

Published in:

Scientific Data. - Springer Science and Business Media LLC. - 2025, vol. 12, no. 1

English Extensive rice harvesting yields more than 800 million tons of rice straw (RS) per year globally, generating a byproduct that is often difficult for farmers to manage efficiently without burning it. In the quest for enhanced RS degradation systems, we recovered 146 Metagenome-Assembled Genomes (MAGs) from experiments aiming at decomposing RS. Such assays included the application of a Bacillus strain, a Trichoderma-based commercial product, organic and inorganic compounds in different combinations during a solid-state fermentation in Colombian rice fields. The set of MAGs comprises 30 MAGs from bulk soil and 116 MAGs from RS surface, for which taxonomic classification indicates that 67% of them may constitute novel taxa. Furthermore, functional analysis through different approaches suggests the presence of both mid-quality and high-quality MAGs with potential to biotransform RS within this dataset. Finally, these MAGs represent a valuable resource for exploring uncharacterized microbial diversity in Colombian agricultural ecosystems.

Faculty

Faculté des sciences et de médecine

Department

Département de Biologie

Language