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Targeted Metagenomics of Retting in Flax: The Beginning of the Quest to Harness the Secret Powers of the Microbiota

Abstract : The mechanical and chemical properties of natural plant fibers are determined by many different factors, both intrinsic and extrinsic to the plant, during growth but also after harvest. A better understanding of how all these factors exert their effect and how they interact is necessary to be able to optimize fiber quality for use in different industries. One important factor is the post-harvest process known as retting, representing the first step in the extraction of bast fibers from the stem of species such as flax and hemp. During this process microorganisms colonize the stem and produce hydrolytic enzymes that target cell wall polymers thereby facilitating the progressive destruction of the stem and fiber bundles. Recent advances in sequencing technology have allowed researchers to implement targeted metagenomics leading to a much better characterization of the microbial communities involved in retting, as well as an improved understanding of microbial dynamics. In this paper we review how our current knowledge of the microbiology of retting has been improved by targeted metagenomics and discuss how related ‘-omics’ approaches might be used to fully characterize the functional capability of the retting microbiome.
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Contributor : Isabelle Massart <>
Submitted on : Friday, April 2, 2021 - 10:25:05 AM
Last modification on : Friday, June 18, 2021 - 3:46:58 AM


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Christophe Djemiel, Estelle Goulas, Nelly Badalato, Brigitte Chabbert, Simon Hawkins, et al.. Targeted Metagenomics of Retting in Flax: The Beginning of the Quest to Harness the Secret Powers of the Microbiota. Frontiers in Genetics, Frontiers, 2020, 11, ⟨10.3389/fgene.2020.581664⟩. ⟨hal-03188514⟩



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