Ascomycetes from karst landscapes of Guizhou Province, China

Zhang, Jin-Feng; Liu, Jian-Kui; Hyde, Kevin D.; Chen, Ya-Ya; Ran, Hai-Yan; Liu, Zuo-Yi

doi:10.1007/s13225-023-00524-5

Cited by 6 publications

(3 citation statements)

References 481 publications

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“…sexualis, and a sexual morph from China, Dictyos. karsti, were added to the genus [1, 9,19]. The morphological traits of Dictyosporium can now be comprehensively characterized, including perithecial, superficial ascomata with an apical ostiole, a membranaceous peridium, cylindric-clavate asci, and fusiform, hyaline, 1-septate ascospores with or without a mucilaginous sheath in its sexual morph, as well as micronematous conidiophores producing cheiroid, olive to brown, complanate conidia composed of 4-7 rows of cells in its asexual morph [1,19].…”

Section: Introductionmentioning

confidence: 99%

“…karsti, were added to the genus [1, 9,19]. The morphological traits of Dictyosporium can now be comprehensively characterized, including perithecial, superficial ascomata with an apical ostiole, a membranaceous peridium, cylindric-clavate asci, and fusiform, hyaline, 1-septate ascospores with or without a mucilaginous sheath in its sexual morph, as well as micronematous conidiophores producing cheiroid, olive to brown, complanate conidia composed of 4-7 rows of cells in its asexual morph [1,19]. Currently, 86 species epithets are documented in the genus, and some have been transferred to the similar genus Dictyocheirospora based on molecular phylogeny or morphological characteristics [1,20].…”

Section: Introductionmentioning

confidence: 99%

“…Currently, 86 species epithets are documented in the genus, and some have been transferred to the similar genus Dictyocheirospora based on molecular phylogeny or morphological characteristics [1,20]. Many species have been sequenced, and they cluster in a well-supported monophyletic clade [1, 19,[21][22][23].…”

Section: Introductionmentioning

confidence: 99%

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Three Novel Cheiroid Hyphomycetes in Dictyocheirospora and Dictyosporium (Dictyosporiaceae) from Freshwater Habitats in Guangdong and Guizhou Provinces, China

Shu,

Doilom,

Boonmee

et al. 2024

JoF

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Over the past two decades, numerous novel species have been identified within Dictyosporiaceae, primarily in Dictyocheirospora and Dictyosporium. A recent monograph has revealed that these two genera exhibit a distinct preference for freshwater habitats, particularly in southern China. However, further investigation into the distribution and diversity of the two genera in Guangdong and Guizhou Provinces remains insufficient. In this study, we conducted an analysis of four intriguing cheiroid hyphomycetes collected from flowing rivers in these two regions. Through morphological and phylogenetic analyses incorporating combined LSU, SSU, ITS, and tef1-α sequence data, we have identified them as a novel species in Dictyocheirospora (Dictyoc. submersa sp. nov.), two novel species in Dictyosporium (Dictyos. guangdongense sp. nov. and Dictyos. variabilisporum sp. nov.), and one previously documented species (Dictyos. digitatum). Specifically, the identification of Dictyos. guangdongense is primarily based on its distinct morphology, characterized by complanate, cheiroid, and brown to dark brown conidia, with a hyaline, short, and atrophied appendage arising from the apical cell of the outer row. In addition, the morphological distinctions between Dictyocheirospora and Dictyosporium are further clarified based on our new data. This study also highlights a few phylogenetic matters regarding Dictyosporiaceae.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Three Novel Cheiroid Hyphomycetes in Dictyocheirospora and Dictyosporium (Dictyosporiaceae) from Freshwater Habitats in Guangdong and Guizhou Provinces, China

Shu,

Doilom,

Boonmee

et al. 2024

JoF

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A re-evaluation of Diaporthe: refining the boundaries of species and species complexes

Dissanayake,

Zhu,

Chen

et al. 2024

Fungal Diversity

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Diaporthe is an important plant pathogenic genus, which also occurs as endophytes and saprobes. Many Diaporthe species that are morphologically similar proved to be genetically distinct. The current understanding of Diaporthe taxonomy by applying morphological characters, host associations and multi-gene phylogeny are problematic leading to overestimation/underestimation of species numbers of this significant fungal pathogenic genus. Currently, there are no definite boundaries for the accepted species. Hence, the present study aims to re-structure the genus Diaporthe, based on single gene phylogenies (ITS, tef, tub, cal and his), multi-gene phylogeny justified by applying GCPSR (Genealogical Concordance Phylogenetic Species Recognition) methodology as well as the coalescence-based models (PTP—Poisson Tree Processes and mPTP—multi-rate Poisson Tree Processes). Considering all available type isolates of Diaporthe, the genus is divided into seven sections while boundaries for 13 species and 15 species-complexes are proposed. To support this re-assessment of the genus, 82 Diaporthe isolates obtained from woody hosts in Guizhou Province in China were investigated and revealed the presence of two novel species and 17 previously known species. Synonymies are specified for 31 species based on molecular data and morphological studies. Dividing Diaporthe into several specific sections based on phylogenetic analyses can avoid the construction of lengthy phylogenetic trees of the entire genus in future taxonomic studies. In other words, when one conducts research related to the genus, only species from the appropriate section need to be selected for phylogenetic analysis.

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Additions to the Xylariomycetidae (Sordariomycetes) Fungal Flora from Northern Thailand: Amphisphaeria chiangmaiensis sp . nov . and A . hydei sp . nov .

Samarakoon

2023

New Zealand Journal of Botany

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Ascomycetes from karst landscapes of Guizhou Province, China

Cited by 6 publications

References 481 publications

Three Novel Cheiroid Hyphomycetes in Dictyocheirospora and Dictyosporium (Dictyosporiaceae) from Freshwater Habitats in Guangdong and Guizhou Provinces, China

Three Novel Cheiroid Hyphomycetes in Dictyocheirospora and Dictyosporium (Dictyosporiaceae) from Freshwater Habitats in Guangdong and Guizhou Provinces, China

A re-evaluation of Diaporthe: refining the boundaries of species and species complexes

Additions to the Xylariomycetidae (Sordariomycetes) Fungal Flora from Northern Thailand: Amphisphaeria chiangmaiensis sp . nov . and A . hydei sp . nov .

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