A morphological study of the mycorrhiza of Entoloma clypeatum f. hybridum on Rosa multiflora

Kobayashi, Hisayasu; Hatano, Kyoko

doi:10.1007/bf02463979

Cited by 19 publications

(12 citation statements)

References 12 publications

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“…). Within this group, we exclude those taxa that associate with members of the Rosaceae, which seem to be a parasitic association rather than ECM (Agerer and Waller ; Kobayashi and Hatano ).…”

Section: Discussionmentioning

confidence: 99%

Is the switch to an ectomycorrhizal state an evolutionary key innovation in mushroom‐forming fungi? A case study in the Tricholomatineae (Agaricales)

Sánchez-García

Matheny

2016

Evolution

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Although fungi are one of the most diverse groups of organisms, little is known about the processes that shape their high taxonomic diversity. This study focuses on evolution of ectomycorrhizal (ECM) mushroom-forming fungi, symbiotic associates of many trees and shrubs, in the suborder Tricholomatineae of the Agaricales. We used the BiSSE model and BAMM to test the hypothesis that the ECM habit represents an evolutionary key innovation that allowed the colonization of new niches followed by an increase in diversification rate. Ancestral state reconstruction (ASR) supports the ancestor of the Tricholomatineae as non-ECM. We detected two diversification rate increases in the genus Tricholoma and the Rhodopolioid clade of the genus Entoloma. However, no increases in diversification were detected in the four other ECM clades of Tricholomatineae. We suggest that diversification of Tricholoma was not only due to the evolution of the ECM lifestyle, but also to the expansion and dominance of its main hosts and ability to associate with a variety of hosts. Diversification in the Rhodopolioid clade could be due to the unique combination of spore morphology and ECM habit. The spore morphology may represent an exaptation that aided spore dispersal and colonization. This is the first study to investigate rate shifts across a phylogeny that contains both non-ECM and ECM lineages.

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Section: Discussionmentioning

confidence: 99%

Is the switch to an ectomycorrhizal state an evolutionary key innovation in mushroom‐forming fungi? A case study in the Tricholomatineae (Agaricales)

Sánchez-García

Matheny

2016

Evolution

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“…Fungal species belonging to Basidiomycota, such as Entoloma, thrive in November in all the three growing seasons ("Soil fungal database", http://www.yamanashi-univ.com/). As Entoloma species are arbuscular mycorrhizal fungi, they are expected to be effective against pathogenic fungi of P. mume [11] [13]. In addition, the increase in the number of Basidiomycota OTUs may be correlated with K 2 O, NH 4 -N, and air temperature.…”

Section: Resultsmentioning

confidence: 99%

Survey of Annual and Seasonal Fungal Communities in Japanese <i>Prunus mume</i> Orchard Soil by Next-Generation Sequencing

Aoki¹,

Fujita²,

Shima³

et al. 2015

AiM

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Fungi play a vital role in the management of soil environment. Although various fungal communities are found in soil, it is difficult to determine the fungal community structure in soil. In this study, we conducted a comprehensive survey of fungal communities in Japanese Prunus mume orchard soil from 2010 to 2012 growing seasons using next-generation sequencing technology. Fungal DNA was directly extracted from the soil samples and the internal transcribed spacer 1 region was amplified by PCR and sequenced. We identified 34,826 fungal clone sequences from the soil samples. The fungal clones were sorted into 2132 operational taxonomic units and a majority of the discriminated clone sequences were classified as Ascomycota and Basidiomycota. The number of fungal species belonging to Ascomycota showed increases in June in the three growing seasons. That belonging to Glomeromycota showed increases in August in the three growing seasons. As Ascomycota fungi are wood decomposers and saprotrophs, the results suggested that the number of plant pathogenic fungi increased in Japanese P. mume orchard soil in June. These findings show for the first time the annual and seasonal fungal community structures in Japanese P. mume orchard soil, and are expected to provide valuable clues for improvement when planting new P. mume trees in Japanese orchards.

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“…Similarly, Kobayashi and Hatano (2001) observed the root apical meristem damaged by E. clypeatum. In this case, however, the growth of the mycelium was limited and degeneration of hyphae was observed, possibly due to the metabolites produced by the plant, suggesting a defense reaction induced in Rosa multiflora root tissues.…”

Section: Introductionmentioning

confidence: 90%

Molecular detection of Entoloma spp. associated with roots of rosaceous woody plants

et al. 2009

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Seventeen isolates of Entoloma clypeatum, a fungus associated with rosaceous woody plants and suspected to act as a root pathogen, were obtained from fruit-bodies collected at 7 localities in the Czech Republic. The fungus grew best on the medium supplied with cellobiose. The growth of E. clypeatum was inhibited by fungicide preparation Ridomil Gold MZ 68WP. A part of the LSU rRNA gene of 11 selected isolates was sequenced and two reverse primers recognizing the sequence motifs in the LSU rRNA gene of E. clypeatum and other related species associated with rosaceous woody plants were designed. One of these primers, NL4EC2, showed high specificity towards DNA of Entoloma spp. of interest and may be used for detection of these organisms in soil, in roots or in the substrate where the fruit trees are cultivated. The results of in vitro inoculation experiment suggest a resistance of roots of young Prunus domestica plants to colonization by Entoloma clypeatum, and the fungus could be detected only in the surrounding substrate. We were able to detect Entoloma spp. in soil and in roots of Prunus avium but only if the fructification of the fungus occurred at the locality. The method is robust towards the false positive detection caused by nonspecific amplification of DNA of other soil microorganisms.

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A morphological study of the mycorrhiza of Entoloma clypeatum f. hybridum on Rosa multiflora

Cited by 19 publications

References 12 publications

Is the switch to an ectomycorrhizal state an evolutionary key innovation in mushroom‐forming fungi? A case study in the Tricholomatineae (Agaricales)

Is the switch to an ectomycorrhizal state an evolutionary key innovation in mushroom‐forming fungi? A case study in the Tricholomatineae (Agaricales)

Survey of Annual and Seasonal Fungal Communities in Japanese <i>Prunus mume</i> Orchard Soil by Next-Generation Sequencing

Molecular detection of Entoloma spp. associated with roots of rosaceous woody plants

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A morphological study of the mycorrhiza of Entoloma clypeatum f. hybridum on Rosa multiflora

Cited by 19 publications

References 12 publications

Is the switch to an ectomycorrhizal state an evolutionary key innovation in mushroom‐forming fungi? A case study in the Tricholomatineae (Agaricales)

Is the switch to an ectomycorrhizal state an evolutionary key innovation in mushroom‐forming fungi? A case study in the Tricholomatineae (Agaricales)

Survey of Annual and Seasonal Fungal Communities in Japanese &lt;i&gt;Prunus mume&lt;/i&gt; Orchard Soil by Next-Generation Sequencing

Molecular detection of Entoloma spp. associated with roots of rosaceous woody plants

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Survey of Annual and Seasonal Fungal Communities in Japanese <i>Prunus mume</i> Orchard Soil by Next-Generation Sequencing