Sistotrema is a genus with ectomycorrhizal species − confirmation of what sequence studies already suggested

Marino, E Di; Scattolin, Linda; Bodensteiner, Philomena; Agerer, Reinhard

doi:10.1007/s11557-008-0562-4

Cited by 30 publications

(16 citation statements)

References 26 publications

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“…In addition, we detected a species of Ceratobsidium, and Sistotrema alboluteum, and though Ceratomasidium may also be a pathogen, both have more recently been identiWed as mycorrhizal (e.g. Bidartondo et al 2004;Nilsson et al 2006;DiMarino et al 2008). Hence, in our Weld sites, EM fungi do in fact occupy and indeed dominate a position in the soil column that allows them direct access to substrate, and as our most recent work clearly demonstrates, they possess the wherewithal to exploit this rich carbon source.…”

Section: Introductionsupporting

confidence: 57%

Saprotrophic capabilities as functional traits to study functional diversity and resilience of ectomycorrhizal community

Cullings

Courty

2009

Oecologia

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In an accompanying editorial Dr Petr Baldrian made a case casting doubt on our recent work addressing the saprophytic potential of ectomycorrhizal (EM) fungi. Dr Baldrian's statements illustrate a very valid truth: the book is still very much open on this subject. The point he raised that the only logical reason for these fungi to be responding to high carbon demand or decreased host photosynthetic capacity by up-regulating enzymes is for the purpose of carbon acquisition is valid as well. Despite this, he makes the case that there is no compelling evidence that EM fungi exhibit saprophytic activity. The concept central to Dr Baldrian's conclusion is that even though some EM fungi possess the genes necessary for saprophytic behaviour and may even express these genes, EM fungi do not inhabit a position in the soil column that provides access to usable substrate. In this paper we present both previously published and newly obtained data that demonstrate that this assumption is erroneous, and we present arguments that place the saprophytic potential of EM fungi within a broad ecological context.

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Section: Introductionsupporting

confidence: 57%

Saprotrophic capabilities as functional traits to study functional diversity and resilience of ectomycorrhizal community

Cullings

Courty

2009

Oecologia

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“…Troposporella remained frequent until month 12, whereas basidiomycetous Sistotrema and Rhodocollybia and lichenised ascomycetous Dimelaena fungi appeared for the first time at this stage. Rhodocollybia is a typical saprotroph (Valášková et al, 2007), and the polyphyletic genus Sistotrema contains both ectomycorrhizal and decomposer fungal species (Di Marino et al, 2008;Boberg et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

Fungal community on decomposing leaf litter undergoes rapid successional changes

2012

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Fungi are considered the primary decomposers of dead plant biomass in terrestrial ecosystems. However, current knowledge regarding the successive changes in fungal communities during litter decomposition is limited. Here we explored the development of the fungal community over 24 months of litter decomposition in a temperate forest with dominant Quercus petraea using 454-pyrosequencing of the fungal internal transcribed spacer (ITS) region and cellobiohydrolase I (cbhI) genes, which encode exocellulases, to specifically address cellulose decomposers. To quantify the involvement of phyllosphere fungi in litter decomposition, the fungal communities in live leaves and leaves immediately before abscission were also analysed. The results showed rapid succession of fungi with dramatic changes in the composition of the fungal community. Furthermore, most of the abundant taxa only temporarily dominated in the substrate. Fungal diversity was lowest at leaf senescence, increased until month 4 and did not significantly change during subsequent decomposition. Highly diverse community of phyllosphere fungi inhabits live oak leaves 2 months before abscission, and these phyllosphere taxa comprise a significant share of the fungal community during early decomposition up to the fourth month. Sequences assigned to the Ascomycota showed highest relative abundances in live leaves and during the early stages of decomposition. In contrast, the relative abundance of sequences assigned to the Basidiomycota phylum, particularly basidiomycetous yeasts, increased with time. Although cellulose was available in the litter during all stages of decomposition, the community of cellulolytic fungi changed substantially over time. The results indicate that litter decomposition is a highly complex process mediated by various fungal taxa.

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“…2a,b). Campbell et al (2013); 3, Cannon & Kirk (2007);4, Desnos-Ollivier et al (2006); 5, Kirk et al (2008); 6, Lenc et al (2011);7, Lenc et al (2012); 8, Marino et al (2008);9, Niwata et al (2002);10, Rold an et al (1989);11, Rossman et al (1999);12, Seifert et al (2011);13, Selosse et al (2008);14, Webster & Weber (2007);15, Werner et al (2012); 16, Zycha & Siepmann (1969).…”

Section: Discussionmentioning

confidence: 99%

Meta‐analysis of deep‐sequenced fungal communities indicates limited taxon sharing between studies and the presence of biogeographic patterns

2013

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SummaryHigh-throughput amplicon sequencing gives new insights into fungal community ecology. Massively generated molecular data lead to the discovery of vast fungal diversity. However, it is unclear to what extent operational taxonomic units (OTUs) overlap among independent studies, because no comparative studies exist.We compared fungal diversity based on the internal transcribed spacer (ITS1) region among 10 published studies. Starting from the raw 454 pyrosequencing data, we used a uniform pipeline to prune the reads. We investigated fungal richness and taxonomic composition among phyllosphere and soil fungal communities, as well as biogeographic signals in the data.We did not find globally distributed OTUs, even when comparing fungal communities from similar habitats (phyllosphere or soil). This suggests that high local fungal diversity scales up to high global diversity. The most OTU-rich classes in the phyllosphere were Dothideomycetes (21%) and Sordariomycetes (14%), and in the soil were Sordariomycetes (13%) and Agaricomycetes (12%). The richness estimates suggest the presence of undiscovered fungal diversity even in deeply sequenced study systems.The small number of OTUs shared among studies indicates that globally distributed taxa and habitat generalists may be rare. Latitudinal diversity decline and distance decay relationships suggest the presence of biogeographic patterns similar to those in plants and animals.

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Sistotrema is a genus with ectomycorrhizal species − confirmation of what sequence studies already suggested

Cited by 30 publications

References 26 publications

Saprotrophic capabilities as functional traits to study functional diversity and resilience of ectomycorrhizal community

Saprotrophic capabilities as functional traits to study functional diversity and resilience of ectomycorrhizal community

Fungal community on decomposing leaf litter undergoes rapid successional changes

Meta‐analysis of deep‐sequenced fungal communities indicates limited taxon sharing between studies and the presence of biogeographic patterns

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