Ophiostoma breviusculum sp. nov. (Ophiostomatales, Ascomycota) is a new species in the Ophiostoma piceae complex associated with bark beetles infesting larch in Japan

Wen Hsin Chung; Jae Jin Kim; Yuichi Yamaoka; Adnan Uzunovic; Hayato Masuya; Colette Breuil

doi:10.3852/mycologia.98.5.801

Ophiostoma breviusculum sp. nov. (Ophiostomatales, Ascomycota) is a new species in the Ophiostoma piceae complex associated with bark beetles infesting larch in Japan

Wen Hsin Chung, Jae Jin Kim, Yuichi Yamaoka, Adnan Uzunovic, Hayato Masuya, Colette Breuil

Division of Environmental Science and Ecological Engineering

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

A new species of the Ophiostoma piceae - complex was isolated from bark beetles and the insect galleries of Larix kaempferi in Japan. This species was described as Ophiostoma breviusculum. The fungus was morphologically similar to O. piceae and O. quercus. However the average length of the perithecial necks and synnemata were shorter than for O. piceae and O. quercus. Synnemata morphological characteristics also differentiated O. breviusculum from the other species of the Ophiostoma piceae -complex isolated from conifers. Mating tests demonstrated that this fungus did not produce perithecia with O. floccosum, O. piceae and O. quercus. In phylogenetic trees using rDNA ITS O. breviusculum was placed in a clade with O. canum, O. piceae and O. subalpinum, but when using β-tubulin it was placed into a separate clade.

Original language	English
Pages (from-to)	801-814
Number of pages	14
Journal	Mycologia
Volume	98
Issue number	5
DOIs	https://doi.org/10.3852/mycologia.98.5.801
Publication status	Published - 2006 Jan 1

Keywords

Bark beetle
Insect-fungus relationship
Larix kaempferi
New species
Ophiostoma breviusculum
Ophiostoma piceae-complex

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Physiology
Molecular Biology
Genetics
Cell Biology

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10.3852/mycologia.98.5.801

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title = "Ophiostoma breviusculum sp. nov. (Ophiostomatales, Ascomycota) is a new species in the Ophiostoma piceae complex associated with bark beetles infesting larch in Japan",

abstract = "A new species of the Ophiostoma piceae - complex was isolated from bark beetles and the insect galleries of Larix kaempferi in Japan. This species was described as Ophiostoma breviusculum. The fungus was morphologically similar to O. piceae and O. quercus. However the average length of the perithecial necks and synnemata were shorter than for O. piceae and O. quercus. Synnemata morphological characteristics also differentiated O. breviusculum from the other species of the Ophiostoma piceae -complex isolated from conifers. Mating tests demonstrated that this fungus did not produce perithecia with O. floccosum, O. piceae and O. quercus. In phylogenetic trees using rDNA ITS O. breviusculum was placed in a clade with O. canum, O. piceae and O. subalpinum, but when using β-tubulin it was placed into a separate clade.",

keywords = "Bark beetle, Insect-fungus relationship, Larix kaempferi, New species, Ophiostoma breviusculum, Ophiostoma piceae-complex",

author = "Chung, {Wen Hsin} and Kim, {Jae Jin} and Yuichi Yamaoka and Adnan Uzunovic and Hayato Masuya and Colette Breuil",

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AU - Chung, Wen Hsin

AU - Kim, Jae Jin

AU - Yamaoka, Yuichi

AU - Uzunovic, Adnan

AU - Masuya, Hayato

AU - Breuil, Colette

PY - 2006/1/1

Y1 - 2006/1/1

N2 - A new species of the Ophiostoma piceae - complex was isolated from bark beetles and the insect galleries of Larix kaempferi in Japan. This species was described as Ophiostoma breviusculum. The fungus was morphologically similar to O. piceae and O. quercus. However the average length of the perithecial necks and synnemata were shorter than for O. piceae and O. quercus. Synnemata morphological characteristics also differentiated O. breviusculum from the other species of the Ophiostoma piceae -complex isolated from conifers. Mating tests demonstrated that this fungus did not produce perithecia with O. floccosum, O. piceae and O. quercus. In phylogenetic trees using rDNA ITS O. breviusculum was placed in a clade with O. canum, O. piceae and O. subalpinum, but when using β-tubulin it was placed into a separate clade.

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KW - Insect-fungus relationship

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KW - New species

KW - Ophiostoma breviusculum

KW - Ophiostoma piceae-complex

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Ophiostoma breviusculum sp. nov. (Ophiostomatales, Ascomycota) is a new species in the Ophiostoma piceae complex associated with bark beetles infesting larch in Japan

Abstract

Keywords

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