Pré-Publication, Document De Travail Année : 2023

High quality genome and transcriptome data for two new species of Mantamonas, a deep-branching eukaryote clade

Ashley Yang
  • Fonction : Auteur
L. Alexa Thompson
Alexander Filbert
  • Fonction : Auteur
Sally Warring
  • Fonction : Auteur
Ken-Ichiro Ishida
  • Fonction : Auteur

Résumé

Abstract Mantamonads were long considered to represent an “orphan” lineage in the tree of eukaryotes, likely branching near the most frequently assumed position for the root of eukaryotes. Recent phylogenomic analyses have placed them as part of the “CRuMs” supergroup, along with collodictyonids and rigifilids. This supergroup appears to branch at the base of Amorphea, making it of special importance for understanding the deep evolutionary history of eukaryotes. However, the lack of representative species and complete genomic data associated with them has hampered the investigation of their biology and evolution. Here, we isolated and described two new species of mantamonads, Mantamonas vickermani sp. nov. and Mantamonas sphyraenae sp. nov., for each of which we generated transcriptomic sequence data, as well as a high-quality genome for the latter. The estimated size of the M. sphyraenae genome is 25 Mb; our de novo assembly appears to be highly contiguous and complete with 9,416 predicted protein-coding genes. This near-chromosome-scale genome assembly is the first described for the CRuMs supergroup.

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hal-04289757 , version 1 (20-11-2023)

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Jazmin Blaz, Luis Javier Galindo, Aaron A Heiss, Harpreet Kaur, Guifré Torruella, et al.. High quality genome and transcriptome data for two new species of Mantamonas, a deep-branching eukaryote clade. 2023. ⟨hal-04289757⟩
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