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Citation for Study 28436

About Citation title: "Phylogenetic and phylogenomic analyses reveal two new genera and three new species of ophiostomatalean fungi from termite fungus combs".
About Study name: "Phylogenetic and phylogenomic analyses reveal two new genera and three new species of ophiostomatalean fungi from termite fungus combs".
About This study is part of submission 28436 (Status: Published).

Citation

Nel W.J., De beer Z.W., Wingfield M.J., Poulsen M., Aanen D., Wingfield B.D., & Duong T. 2021. Phylogenetic and phylogenomic analyses reveal two new genera and three new species of ophiostomatalean fungi from termite fungus combs. Mycologia, 113(6): 1199-1217.

Authors

  • Nel W.J. (submitter) Phone +27836000469
  • De beer Z.W.
  • Wingfield M.J.
  • Poulsen M.
  • Aanen D.
  • Wingfield B.D.
  • Duong T.

Abstract

The Ophiostomatales (Ascomycota) accommodates more than 300 species characterized by similar morphological adaptations to arthropod dispersal. Most species in this order are wood-inhabiting fungi associated with bark or ambrosia beetles. However, a smaller group of species occur in other niches such as in soil and Protea infructescences. Recent surveys of Termitomyces fungus gardens (fungus combs) of fungus-growing termites led to the discovery of characteristic ophiostomatalean-like fruiting structures. In this study, these ophiostomatalean-like fungi were identified using morphological characteristics, and DNAconventional molecular markers and whole genome sequencing. In addition, the influence of the extracts derived from various parts of Termitomyces combs on the growth of these fungi in culture was considered. Based on phylogenomic analyses, two new genera (Intubia and Chrysosphaeria) were introduced to accommodate these Ophiostomatalean species. Phylogenetic analyses revealed that the isolates resided in three well-supported lineages, and these were described as three new species (Intubia macrotermitinarum, I. oerlemansii and Chrysosphaeria jan-nelii). , distinct from all known species in the Ophiostomatales. Two new genera (Intubia and Chrysosphaeria) and three new species (Intubia macrotermitinae, I. oerlemansii and Chrysosphaeria jan-nelii) were introduced to accommodate these Ophiostomataceae species. Culture-based studies showed that these species do not depend on the Termitomyces comb material for growth.

Keywords

Fungus growing termites, Insect associated fungi, Termitomyces, Ophiostomataceae, 3 new species, 2 new genera

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S28436
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