Armillaria paulensis: a new South American species

Lima, Milena L.A.; Asai, Tatiane; Capelari, Marina

doi:10.1016/j.mycres.2008.03.006

Cited by 15 publications

(13 citation statements)

References 31 publications

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“…The fungus showed a close affiliation, based on ITS sequences, with isolates identified as A. luteobubalina from South America and Australia (Lima et al 2008). The NJ tree generated in the present study supported this relationship, placing A. paulensis sister to A. luteobubalina.…”

Section: Discussionsupporting

confidence: 75%

“…Recently, a new species, A. paulensis, was described from Sao Paulo in Brazil (Lima et al 2008), based on a single specimen. The fungus showed a close affiliation, based on ITS sequences, with isolates identified as A. luteobubalina from South America and Australia (Lima et al 2008).…”

Section: Discussionmentioning

confidence: 99%

“…Searches for sequence identity in the GenBank DNA database were conducted using the Gapped BlastN search algorithm (NCBI) (Altschul et al 1997). Additional sequences of Armillaria species, including the recently described A. paulensis Capelari (EF639348) (Lima et al 2008), were retrieved from GenBank for phylogenetic analyses. All sequence alignments were performed using MAFFT version 5.0 (Katoh et al 2005).…”

Section: Molecular Methodsmentioning

confidence: 99%

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Molecular phylogeny of Armillaria from the Patagonian Andes

et al. 2009

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A number of species in the plant pathogen genus Armillaria are known from South America where they cause root rot disease on a wide variety of hosts. Knowledge pertaining to phylogenetic relationships of these species with those of other Armillaria species is almost non-existent. In addition, very few cultures representing these species are available, making DNA-based phylogenetic analyses impossible. The aim of this study was to characterise a collection of Armillaria isolates from the Patagonian Andes using DNA sequences and to determine their phylogenetic relationships with other Armillaria species. DNA sequences were obtained from the internal transcribed regions (ITS1, 5.8S and ITS4) and ribosomal large subunit (LSU) gene and used in phylogenetic analyses. Phylogenetic trees generated from the sequences separated the Armillaria isolates into four lineages. Lineages I and II represented A. novae-zelandiae and A. luteobubalina, respectively. Isolates belonging to A. novae-zelandiae from Malaysia, New Zealand, Australia and South America showed considerable intra-clade substructure. Lineages III and IV are probably distinct species and are most closely related to A. hinnulea and an unnamed species isolated from New Zealand and Kenya. This is the first comprehensive study of the phylogenetic relationships of Armillaria species from Patagonia and it provides a foundation for future research in this region.

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Section: Discussionsupporting

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Section: Molecular Methodsmentioning

confidence: 99%

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Molecular phylogeny of Armillaria from the Patagonian Andes

et al. 2009

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“…has been controversial and widely debated over an extended period of time, application of the biological species concept (Korhonen 1978, Anderson & Ullrich 1979, Ota et al 1998, Qin et al 2007) and more recently DNA sequence comparisons (Coetzee et al 2000a, 2003a, 2005, Gezahgne et al 2004, Keča et al 2006, Mwenje et al 2006, Hasegawa et al 2010) have resolved many problems relating to the delineation of species. At least 40 species are now recognised in Armillaria (Volk & Burdsall 1995, Lima et al 2008, Pildain et al 2010) and it is likely that other species will emerge from under-sampled areas in the future.…”

Section: Introductionmentioning

confidence: 99%

Fungal phoenix rising from the ashes?

et al. 2010

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During May 2010, sporocarps of what appeared to be an Armillaria sp. were found in large clumps in historic Kirstenbosch Botanical Gardens on the foot of Table Mountain, Cape Town, South Africa. These sporocarps could be physically linked to the roots of unidentified dead trees and Protea spp. The aim of this study was to identify the Armillaria sp. found fruiting in Kirstenbosch. To achieve this goal isolates were made from the mycelium under the bark of dead roots linked to sporocarps. The ITS and IGS-1 regions were sequenced and compared to sequences of Armillaria spp. available on GenBank. Cladograms were generated using ITS sequences to determine the phylogenetic relationship of the isolates with other Armillaria spp. Sequence comparisons and phylogenetic analyses showed that the isolates represented A. mellea. They were also identical to isolates of this species previously discovered in the Company Gardens in South Africa and introduced from Europe apparently by the early Dutch Settlers. Armillaria mellea is alien and apparently invasive in Cape Town, fruits profusely and has the potential to spread to sensitive native forests on the foothills of the City.

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“…The genera Armillaria and Desarmillaria typically have the following characteristics: yellow‐brown coloured pileus, stipe with or without annulus, white spore print, black rhizomorph and nutritional status (saprotrophic to parasitic) (Volk & Burdsall, ; Watling, Kile, & Burdsall, ). At present, approximately 39 species of Armillaria (Brazee, Ortiz‐Santana, Banik, & Lindner, ; Lima, Asai, & Capelari, ; Pildain, Coetzee, Wingfield, Wingfield, & Rajchenberg, ; Volk & Burdsall, ; Watling et al., ) and two species of Desarmillaria (Koch, Wilson, Séné, Henkel, & Aime, ) are recognized worldwide. However, identification based on morphology alone is often unreliable because of a high degree of similarity between some Armillaria species ( A .…”

Section: Introductionmentioning

confidence: 99%

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

Park

et al. 2018

Forest Pathology

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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.

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Armillaria paulensis: a new South American species

Cited by 15 publications

References 31 publications

Molecular phylogeny of Armillaria from the Patagonian Andes

Molecular phylogeny of Armillaria from the Patagonian Andes

Fungal phoenix rising from the ashes?

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

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