Morphological and phylogenetic analysis of the early-diverging lineage of Glomeromycota suggest two new genera and recombinations in Archaeosporales

Esmaeilzadeh-Salestani, Keyvan; Queiroz, Mariana Bessa De; Mikryukov, Vladimir; Uszok, Sylwia; Goto, Bruno; Tedersoo, Leho; Magurno, Franco

doi:10.3897/mycokeys.124.166449

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Article: Morphological and phylogenetic analysis of the early-diverging lineage of Glomeromycota suggest two new genera and recombinations in Archaeosporales

Title

Morphological and phylogenetic analysis of the early-diverging lineage of Glomeromycota suggest two new genera and recombinations in Archaeosporales

By

Esmaeilzadeh-Salestani, Keyvan
Queiroz, Mariana Bessa De
Mikryukov, Vladimir
Uszok, Sylwia
Goto, Bruno
Tedersoo, Leho
Magurno, Franco

Type

Article

Date of Publication

2025-11-3

Original Publication

MycoKeys

Volume

124

Pages

249--273

Subjects

arbuscular mycorrhizal fungi , Archaeosporaceae , description of new taxa , molecular phylogeny , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers 2011-

Identifiers

DOI: https://doi.org/10.3897/mycokeys.124.166449

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License Type URL: https://creativecommons.org/licenses/by/4.0/
Rights: https://biodiversitylibrary.org/permissions
Copyright Status: In copyright. Digitized with the permission of the rights holder.
Rights Holder: Copyright held by individual article author(s).

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expand Abstract

The family Archaeosporaceae (Archaeosporales), an early-diverging lineage of Glomeromycota, is currently represented by a single genus, Archaeospora , with seven species described. During the analysis of pot cultures established for the maintenance of Glomeromycota isolates, an unanticipated fungus emerged as a contaminant. Morphological and phylogenetic analyses revealed this fungus as a new species, forming an autonomous genus-level clade within Archaeosporaceae, herein proposed as Antiquispora disseminans gen. et sp. nov. Sequences for this species were obtained using the newly designed primer FULlongF in combination with FULR, both not Glomeromycota specific. Positive clones after transformation were then screened and selected using the Archaeosporaceae-specific reverse primer SpAll_Archaeo_R in combination with the vector sequencing primers. In addition, independent phylogenetic analysis using specimen-based sequences and eDNA supported the genus status of Archaeospora ecuadoriana and A. spainii , both with diagnostic morphological traits, leading to the establishment of the new genus Andinospora to accommodate Andinospora ecuadoriana comb. nov. and the genus status revalidation of Palaeospora with P. spainii . Archaeospora remains to include A. trappei , A. europaea , A. schenckii , while A. myriocarpa and A. undulata require additional analysis. Environmental sequences from the EUKARYOME database also showed that most of the genus-level clades described in Archaeosporaceae have worldwide distribution and are populated by several potential new species.