• 한국균학회지
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• 제46권3호
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• pp.227-233
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• 2018

A fungus was isolated from field soil collected from Daegu, Korea. The colony of the isolated fungus showed short, branched, and light to dark yellow pigments with hyaline, yellowish red to orange brown aerial mycelia. In addition, the fungus produced solitary to aggregated perithecia, ovoid to pyriform, short neck, and asci as well as biseriately arranged ascospores. Phylogenetic analysis using the internal transcribed spacer region and translation elongation factor $1-{\alpha}$ sequences and morphological characteristics identified the isolated fungus as Penicillifer diparietisporus, which belongs to the family Nectriaceae. To our knowledge, this is the first report of Penicillifer diparietisporus in Korea.

• 한국균학회지
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• 제27권3호통권90호
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• pp.231-233
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• 1999

In the present paper, a new variety of Cordyceps gunnii (Berk.) Berk. is reported. It differs from C. gunnii by its much smaller secondary ascospores, (2.0-) 3.3 $(-4.3){\times}1.0{\sim}1.8\;{\mu}m$, as well as thinner asci and cap of the asci. Its anamorph is also reported as a new variety of Paecilomyces gunnii Liang, the ansmorph of C. gunnii. Its differ from P. gunnii by its conidia, mostly subglobose and much bigger, (2.2-) 4.7 $(-11.0){\times}(1.8-)\;2.6\;(-3.3)\;{\mu}m$. The type specimen and dry type culture are deposited at Research Center for Entomogenous Fungi, Anhui Agriculture University, China.

• Mycobiology
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• 제34권1호
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• pp.1-6
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• 2006

A Cordyceps species was found with a Beauveria anamorph state on larval insect cadavers on Obong mountains in Gangwon Provinces, Republic of Korea. Cultures from discharged ascospores formed an anamorph identifiable as Beauveria bassiana. This teleomorph-anamorph connection was also confirmed by the in vitro production of fertile ascomata from conidial cultures with morphology like that of field-collected specimen. This is the first report of in vitro production of a teleomorph for any Beauveria species. The Cordyceps species has been conspecified as Cordyceps bassiana, a species described from China with B. bassiana anamorph.

• Mycobiology
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• 제41권1호
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• pp.59-62
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• 2013

Japanese pine sawyer beetle (Monochamus alternatus) is an economically important pest in coniferous trees. Ophiostoma ips was isolated from the beetle and identified based on analysis of morphological properties and the ${\beta}$-tubulin gene sequence. The fungus easily produced perithecia with a long neck on malt extract agar and its ascospores were rectangular shaped. This is first report of Ophiostoma species associated with the pinewood nematode vector beetle in Korea.

• 한국균학회지
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• 제10권4호
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• pp.177-180
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• 1982

Gaeumannomyces graminis var. tritici was first isolated from rice in 1981. Sheath rot of rice seedling in box culture for machine transplanting was produced by artificial inoculation of the causal organism. Especially sheath rot was developed from crown to leaf sheath above water level. Perithecia were usually formed in dead leaf sheaths and in PDA culture. They were black, globose, and immersed with obliquely erumpent neck. Asci were unitunicate with an apical ring and contained 8 spores. Ascospores were hyline, slender, $80{\sim}140\;um$ in length. Each spore showed $3{\sim}4\;septa.$ Based on morphological and cultura characteristics, the isolate from seeds was identified as Gaeumannomyces graminis (Sacc.) Arx & Olivier tritici J. Walker.

• Mycobiology
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• 제38권2호
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• pp.149-152
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• 2010

This study describes a new record of a thelotremoid lichen (Leucodecton desquamescens) from South Korea. The taxon is characterized by thick, bulging thallus with many calcium oxalate crystal inclusions; an immersed, round to irregular ascomata with free exciple, ellipsoid to $\pm$ roundish submuriform, brown ascospores, and lack of secondary metabolites. A detailed taxonomic description and comments are presented for this taxon. The lichen genus Leucodecton is reported for the first time in South Korea.

• Mycobiology
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• 제35권2호
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• pp.45-46
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• 2007

Lecanora muralis was found on the rock along coastal line during the field trip in Jeju island in 2006. Thallus crustose, placodioid, closely adnate, forming orbicular patches; upper surface grayish green, glossy; central lobes areolate, marginal parts plane, edges thin pruinose; lower surface ecorticate; apothecia sessile, lecanorine type, exciple dense and intact when young, and disc plane, but when mature, exciple laciniate, disc protrudent, yellowish brown to orange, $0.5{\sim}1.5$ mm in diameter; ascospores ellipsoid, simple, colorless, $12.5{\sim}15.0{\times}5.0{\sim}7.5\;{\mu}m$. Usnic acid and zeorin contained in thallus. This is the first record of this species in South Korea.

• Mycobiology
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• 제45권4호
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• pp.338-343
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• 2017

Cryptothecia austrocoreana is a new lichen species from South Korea. The species is characterized by the presence of a heteromerous thallus and faveolate ascigerous area (ascomata) immersed in a slightly raised thallus. The species has muriform ascospores, (4)6-8-spored $8-11{\times}3-4$ septate, $(34)36-48(51){\times}(17)19-23(25){\mu}m$. Atranorin, chloroatranorin, and barbatic acid are present. In the phylogenetic tree, C. austrocoreana belongs to the arthonioid clade in Arthoniaceae.

• Mycobiology
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• 제36권3호
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• pp.190-192
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• 2008

Heterodermia squamulosa (Degel.) W.L. Culb. was found in the mountain of Gariwang, Gangwon province, in 2008. It is characterized by numerous squamules along the margin, decorticate and white lower surface, rhizines along the margin, black and densely squarrosely branched, usually forming a dense mat under the thallus. Apothecia margins densely squamulose, ascospores $12\sim15\times25\sim30{\mu}m$. Atranorin and zeorin contained in thallus. This is the first record of this species in South Korea.

• Mycobiology
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• 제49권2호
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• pp.133-141
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• 2021

A new fungus, Ophiocordyceps alboperitheciata, parasitic on the larva of Noctuidae (Lepidoptera) was identified from a survey of entomopathogenic fungi in Kunming Wild Duck Forest Park, Yunnan Province, China. It can be primarily distinguished from relatives by its longer fertile parts, sterile tips, superficial perithecia, narrower asci, and smaller septa of ascospores. As revealed from phylogenetic analyses inferred from nrSSU, nrLSU, tef-1α, rpb1, and rpb2 sequence data, O. alboperitheciata belongs to the Hirsutella citriformis clade in the genus Ophiocordyceps of Ophiocordycipitaceae, and forms a separated clade from other related species. The uniqueness of the taxon is significantly evidenced by both molecular phylogeny and morphology. Furthermore, the interspecific relationships in the H. citriformis clade are discussed.