High rate of gene family evolution in proximity to the origin of ectomycorrhizal symbiosis in Inocybaceae

© 2024 The Author(s). New Phytologist © 2024 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 244(2024), 1 vom: 08. Sept., Seite 219-234
1. Verfasser: Khan, Faheema Kalsoom (VerfasserIn)
Weitere Verfasser: Sánchez-García, Marisol, Johannesson, Hanna, Ryberg, Martin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article CAZymes Inocybaceae comparative genomics fungi mycorrhiza phylogenomics saprotrophs DNA Transposable Elements
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520 |a The genomes of ectomycorrhizal (ECM) fungi have a reduced number of genes encoding Carbohydrate-Active EnZymes (CAZymes), expansions in transposable elements (TEs) and small secreted proteins (SSPs) compared with saprotrophs. Fewer genes for specific peptidases and lipases in ECM fungi are also reported. It is unclear whether these changes occur at the shift to the ECM habit or are more gradual throughout the evolution of ECM lineages. We generated a genomic dataset of 20 species in the ECM lineage Inocybaceae and compared them with six saprotrophic species. Inocybaceae genomes have fewer CAZymes, peptidases, lipases, secondary metabolite clusters and SSPs and higher TE content than their saprotrophic relatives. There was an increase in the rate of gene family evolution along the branch with the transition to the ECM lifestyle. This branch had very high rate of evolution in CAZymes and had the largest number of contractions. Other significant changes along this branch included expansions in transporters, transposons-related genes and communication genes such as fungal kinases. There is a high concentration of changes in proximity to the transition to the ECM lifestyle, which correspond to the identified key changes for the gain of this lifestyle 
650 4 |a Journal Article 
650 4 |a CAZymes 
650 4 |a Inocybaceae 
650 4 |a comparative genomics 
650 4 |a fungi 
650 4 |a mycorrhiza 
650 4 |a phylogenomics 
650 4 |a saprotrophs 
650 7 |a DNA Transposable Elements  |2 NLM 
700 1 |a Sánchez-García, Marisol  |e verfasserin  |4 aut 
700 1 |a Johannesson, Hanna  |e verfasserin  |4 aut 
700 1 |a Ryberg, Martin  |e verfasserin  |4 aut 
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773 1 8 |g volume:244  |g year:2024  |g number:1  |g day:08  |g month:09  |g pages:219-234 
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