Gene family expansions and transcriptome signatures uncover fungal adaptations to wood decay - Archive ouverte HAL Access content directly
Journal Articles Environmental Microbiology Year : 2021

Gene family expansions and transcriptome signatures uncover fungal adaptations to wood decay

Hayat Hage
  • Function : relator_co_first_author
Emmanuelle Morin
Sundy Maurice
Bernard Henrissat
  • Function : Author
  • PersonId : 833340
Francis Martin

Abstract

Because they comprise some of the most efficient wood-decayers, Polyporales fungi impact carbon cycling in forest environment. Despite continuous discoveries on the enzymatic machinery involved in wood decomposition, the vision on their evolutionary adaptation to wood decay and genome diversity remains incomplete. We combined the genome sequence information from 50 Polyporales species, including 26 newly sequenced genomes and sought for genomic and functional adaptations to wood decay through the analysis of genome composition and transcriptome responses to different carbon sources. The genomes of Polyporales from different phylogenetic clades showed poor conservation in macrosynteny, indicative of genome rearrangements. We observed different gene family expansion/contraction histories for plant cell wall degrading enzymes in core polyporoids and phlebioids and captured expansions for genes involved in signaling and regulation in the lineages of white rotters. Furthermore, we identified conserved cupredoxins, thaumatin-like proteins and Lytic Polysaccharide Monooxygenases with a yet uncharacterized appended module as new candidate players in wood decomposition. Given the current need for enzymatic toolkits dedicated to the transformation of renewable carbon sources, the observed genomic diversity among Polyporales strengthens the relevance of mining Polyporales biodiversity to understand the molecular mechanisms of wood decay.
Fichier principal
Vignette du fichier
hage, Miyauchi, et al 2021.pdf (3.6 Mo) Télécharger le fichier
Origin : Publication funded by an institution

Dates and versions

hal-03226505 , version 1 (14-05-2021)

Licence

Attribution - NonCommercial - NoDerivatives

Identifiers

Cite

Hayat Hage, Shingo Miyauchi, Máté Virágh, Elodie Drula, Byoungnam Min, et al.. Gene family expansions and transcriptome signatures uncover fungal adaptations to wood decay. Environmental Microbiology, 2021, ⟨10.1111/1462-2920.15423⟩. ⟨hal-03226505⟩
45 View
44 Download

Altmetric

Share

Gmail Facebook X LinkedIn More