Re-evaluation of Armillaria and Desarmillaria in South Korea based on ITS/tef1 sequences and morphological characteristics

Ki Hyeong Park, Seung Yoon Oh, Myung Soo Park, Mee Sook Kim, Ned B. Klopfenstein, Nam Kyu Kim, Jae Young Park, Jae-Jin Kim, Sang Kuk Han, Jong Kyu Lee, Young Woon Lim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Fungal species in the genera Armillaria and Desarmillaria (Physalacriaceae, Agaricales) are well known for their symbiotic relationships with Gastrodia elata and Polyporus umbellatus, important components of traditional medicine in Asia. In addition, some species in these genera cause Armillaria root disease, which has had a negative economic impact by damaging and destroying urban, horticultural and forest trees. Five species within Armillaria and Desarmillaria have been previously reported in South Korea, based primarily on basidioma morphology: A. cepistipes, A. gallica, A. mellea, A. ostoyae and D. tabescens (reported as A. tabescens). This study re-evaluated 60 specimens of Armillaria and Desarmillaria using morphological features and molecular phylogenetic analyses of the ITS and partial translation elongation factor-1α (tef1) sequences. In addition, spatial distributions of each Armillaria and Desarmillaria species in South Korea were determined from combined data based on basidioma collections and environmental DNA (eDNA). Six species (A. cepestipes, A. gallica, A. mellea, A. nabsnona, A. ostoyae and D. tabescens) and three lineages of A. gallica (A. gallica clade 1–3) were identified in South Korea from both specimens and eDNA. Most of the basidioma specimens used in this study were previously identified as A. mellea; however, in this study, no basidioma specimens were identified as A. mellea, although this species was detected on Jeju Island from eDNA samples. The detection of A. nabsnona was a new report for South Korea. Consistent with previous phylogenetic studies, the tef1 analysis had better resolution than the ITS analysis. These distribution data of Armillaria and Desarmillaria species will contribute to better management of Armillaria root disease as well as cultivation of G. elata and P. umbellatus in South Korea.

Original languageEnglish
Article numbere12447
JournalForest Pathology
Volume48
Issue number6
DOIs
Publication statusPublished - 2018 Dec 1

Fingerprint

Armillaria
South Korea
translation (genetics)
root diseases
DNA
Physalacriaceae
Gastrodia elata
Polyporus
phylogenetics
traditional medicine
Agaricales
phylogeny
economic impact
evaluation
forest trees
spatial distribution

Keywords

  • Armillaria
  • Desarmillaria
  • eDNA
  • ITS
  • Rhizomorph
  • tef1

ASJC Scopus subject areas

  • Forestry
  • Ecology

Cite this

Park, K. H., Oh, S. Y., Park, M. S., Kim, M. S., Klopfenstein, N. B., Kim, N. K., ... Lim, Y. W. (2018). Re-evaluation of Armillaria and Desarmillaria in South Korea based on ITS/tef1 sequences and morphological characteristics. Forest Pathology, 48(6), [e12447]. https://doi.org/10.1111/efp.12447

Re-evaluation of Armillaria and Desarmillaria in South Korea based on ITS/tef1 sequences and morphological characteristics. / Park, Ki Hyeong; Oh, Seung Yoon; Park, Myung Soo; Kim, Mee Sook; Klopfenstein, Ned B.; Kim, Nam Kyu; Park, Jae Young; Kim, Jae-Jin; Han, Sang Kuk; Lee, Jong Kyu; Lim, Young Woon.

In: Forest Pathology, Vol. 48, No. 6, e12447, 01.12.2018.

Research output: Contribution to journalArticle

Park, KH, Oh, SY, Park, MS, Kim, MS, Klopfenstein, NB, Kim, NK, Park, JY, Kim, J-J, Han, SK, Lee, JK & Lim, YW 2018, 'Re-evaluation of Armillaria and Desarmillaria in South Korea based on ITS/tef1 sequences and morphological characteristics', Forest Pathology, vol. 48, no. 6, e12447. https://doi.org/10.1111/efp.12447
Park, Ki Hyeong ; Oh, Seung Yoon ; Park, Myung Soo ; Kim, Mee Sook ; Klopfenstein, Ned B. ; Kim, Nam Kyu ; Park, Jae Young ; Kim, Jae-Jin ; Han, Sang Kuk ; Lee, Jong Kyu ; Lim, Young Woon. / Re-evaluation of Armillaria and Desarmillaria in South Korea based on ITS/tef1 sequences and morphological characteristics. In: Forest Pathology. 2018 ; Vol. 48, No. 6.
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