Korean Journal of Mycology (Kor J Mycol) 2023 June, Volume 51, Issue 2, pages 109. https://doi.org/10.4489/KJM.20230011
Received on May 11, 2023, Revised on June 28, 2023, Accepted on June 29, 2023.
Copyright © The Korean Society of Mycology.
This is an Open Access article which is freely available under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC) (https://creativecommons.org/licenses/by-nc/4.0/).
INTRODUCTION
The genus Paraconiothyrium belongs to the family Didymosphaeriaceae, which was introduced from the asexual morphs grouping with Paraphaeosphaeria, and the following four new taxa were described: Paraconiothyrium estuarinum (type species), P. brasiliense, P. cyclothyrioides, and P. fungicola [1]. The species of Paraconiothyrium are polyphyletic within Didymosphaeriaceae and separated from the genera Coniothyrium, Paraphaeosphaeria, Alloconiothyrium, and Dendrothyrium as a paraphyletic group [2,3]. According to the 2022 version of the outline of fungi and fungus-like taxa, Didymosphaeriaceae contains 33 genera and approximately 254 species [4]. Currently, the total 32 described Paraconiothyrium species belong to Didymosphaeriaceae in the Index Fungorum database (https://www.indexfungorum.org/names/ Names.asp: accessed on February 27, 2023). The morphological characteristics of Paraconiothyrium species compromise with the presence of simple or complex conidiomata having a pycnidial or eustromatic type. Conidiogenous cells are discrete or integrated with a percurrent or phialidic nature. Similarly, conidia are primarily aseptate or single septate, thin walled and smooth, and during liberation hyaline, which later turns brown [1]. However, the genus Paraconiothyrium is considered cosmopolitan in nature with diverse host habitats and geographical distributions [5]. Paraconiothyrium species have been most often isolated from warm regions such as Brazil, Italy, Papua New Guinea, South Africa, and Turkey [6]. Similarly, it has also been reported that Paraconiothyrium species are diversely available and found in different sources such as soil, pathogenic fungus, plant endophytic fungi, and marine [7].
The objective of this study was to screen the native fungal species from soil in Korea. Based on morphological and cultural characteristics along with their molecular phylogenetic analysis, the isolated fungus was an unreported species of the genus Paraconiothyrium. Hence, to our knowledge, this is the first report of its isolation and identification in Korea.
MATERIAL AND METHODS
RESULTS AND DISCUSSION
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