Revision of Entrophosporales, with Three Genera and an Identification Key for All Species Currently Attributed to This Order
The objective of the present study was to revise the recently described order Entrophosporales of the Glomeromycetes. The single family Entrophosporaceae had been divided into three genera, <i>Entrophospora</i>, <i>Claroideoglomus</i> and <i>Albahypha</i>, due to...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-01-01
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| Series: | Journal of Fungi |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2309-608X/11/2/97 |
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| Summary: | The objective of the present study was to revise the recently described order Entrophosporales of the Glomeromycetes. The single family Entrophosporaceae had been divided into three genera, <i>Entrophospora</i>, <i>Claroideoglomus</i> and <i>Albahypha</i>, due to molecular phylogenetic or morphological analyses, but recently these three genera were combined within the type genus of the family, <i>Entrophospora</i>. Our new studies now suggest once more three genera, but <i>Entrophospora</i> and <i>Claroideoglomus</i> were not separated again. In the present study, we resurrected <i>Albahypha</i> with <i>A. drummondii</i> and <i>A. furrazolae</i> comb. nov. and established <i>Alborhynchus</i> gen. nov. with <i>A. walkeri</i> comb. nov. Morphologically, all glomoid morphs of the three genera have hyaline to white subtending hyphae with one spore wall continuous with the subtending hyphal wall. However, the genera can easily be differentiated from each other and from other glomoid species of the Glomeromycetes by the combination of the characteristics of the subtending hyphae, the staining reaction of the spore wall layers in Melzer’s reagent and phylogeny. In conclusion, the three AMF genera, currently recognized in the Entrophosporales, can unequivocally be identified by molecular phylogeny or by morphological characteristics of their spores and their subtending hyphae. An identification key distinguishes all AMF species currently attributed to Entrophosporales. |
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| ISSN: | 2309-608X |