Morphological and phylogenetic analyses reveal two new species of the Fusarium fujikuroi (Hypocreales, Nectriaceae) species complex in China

By

Zhang, Ming-Wei
Peng, Cheng
Li, Shu-Ji
Tian, Chengming

Type

Article

Date of Publication

2025

Original Publication

MycoKeys

Volume

112

Pages

127--163

Subjects

Ascomycota , Morphology , Phylogeny , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers 2011-

Identifiers

DOI: https://doi.org/10.3897/mycokeys.112.133472

 

Abstract

The Fusarium fujikuroi species complex (FFSC) encompasses a diverse array of more than 80 phylogenetic species with both phytopathological and clinical importance. A stable taxonomy is crucial for species in the FFSC due to their economical relevance. Fungal strains used in this study were obtained from Castanea mollissima and Rubus lambertianus, collected from Beijing and Shaanxi Province. We employ morphological and phylogenetic analyses based on partial gene fragments of the translation elongation factor 1-alpha (tef1), beta-tubulin (tub2), calmodulin (CaM), RNA polymerase largest subunit (rpb1), and RNA polymerase II second largest subunit (rpb2), as well as the pairwise homoplasy index tests. Studies have shown that these phylospecies are clustered in the Asian clade of the FFSC. The present study delineates two novel Fusarium species within the FFSC, named F. castaneophilum and F. rubicola, complemented by illustrations and descriptions.