High-level classification of the Fungi and a tool for evolutionary ecological analyses DOI Creative Commons
Leho Tedersoo, Santiago Sánchez‐Ramírez, Urmas Kõljalg

et al.

Fungal Diversity, Journal Year: 2018, Volume and Issue: 90(1), P. 135 - 159

Published: May 1, 2018

High-throughput sequencing studies generate vast amounts of taxonomic data. Evolutionary ecological hypotheses the recovered taxa and Species Hypotheses are difficult to test due problems with alignments lack a phylogenetic backbone. We propose an updated phylum- class-level fungal classification accounting for monophyly divergence time so that main ranks more informative. Based on phylogenies estimates, we adopt phylum rank Aphelidiomycota, Basidiobolomycota, Calcarisporiellomycota, Glomeromycota, Entomophthoromycota, Entorrhizomycota, Kickxellomycota, Monoblepharomycota, Mortierellomycota Olpidiomycota. accept nine subkingdoms accommodate these 18 phyla. consider kingdom Nucleariae (phyla Nuclearida Fonticulida) as sister group Fungi. also introduce perl script newick-formatted backbone assigning into hierarchical framework, using this or any other system. provide example testing evolutionary based global soil data set.

Language: Английский

Optimizing taxonomic classification of marker-gene amplicon sequences with QIIME 2’s q2-feature-classifier plugin DOI Creative Commons
Nicholas A. Bokulich, Benjamin D. Kaehler, Jai Ram Rideout

et al.

Microbiome, Journal Year: 2018, Volume and Issue: 6(1)

Published: May 17, 2018

Taxonomic classification of marker-gene sequences is an important step in microbiome analysis. We present q2-feature-classifier ( https://github.com/qiime2/q2-feature-classifier ), a QIIME 2 plugin containing several novel machine-learning and alignment-based methods for taxonomy classification. evaluated optimized commonly used implemented 1 (RDP, BLAST, UCLUST, SortMeRNA) new (a scikit-learn naive Bayes classifier, consensus based on VSEARCH, BLAST+) bacterial 16S rRNA fungal ITS amplicon sequence data. The naive-Bayes, BLAST+-based, VSEARCH-based classifiers meet or exceed the species-level accuracy other designed marker gene that were this work. These evaluations, 19 mock communities error-free simulations, including simulated "novel" sequences, are available our extensible benchmarking framework, tax-credit https://github.com/caporaso-lab/tax-credit-data ). Our results illustrate importance parameter tuning optimizing classifier performance, we make recommendations regarding choices these under range standard operating conditions. both free, open-source, BSD-licensed packages GitHub.

Language: Английский

Citations

4496

FUNGuild: An open annotation tool for parsing fungal community datasets by ecological guild DOI
Nhu H. Nguyen, Zewei Song, Scott T. Bates

et al.

Fungal ecology, Journal Year: 2015, Volume and Issue: 20, P. 241 - 248

Published: July 22, 2015

Language: Английский

Citations

3590

Global diversity and geography of soil fungi DOI
Leho Tedersoo,

Mohammad Bahram,

Sergei Põlme

et al.

Science, Journal Year: 2014, Volume and Issue: 346(6213)

Published: Nov. 28, 2014

Fungi play major roles in ecosystem processes, but the determinants of fungal diversity and biogeographic patterns remain poorly understood. Using DNA metabarcoding data from hundreds globally distributed soil samples, we demonstrate that richness is decoupled plant diversity. The plant-to-fungus ratio declines exponentially toward poles. Climatic factors, followed by edaphic spatial variables, constitute best predictors community composition at global scale. show similar latitudinal gradients to other organisms, with several notable exceptions. These findings advance our understanding permit integration fungi into a general macroecological framework.

Language: Английский

Citations

3144

Belowground biodiversity and ecosystem functioning DOI
Richard D. Bardgett, Wim H. van der Putten

Nature, Journal Year: 2014, Volume and Issue: 515(7528), P. 505 - 511

Published: Nov. 1, 2014

Language: Английский

Citations

3081

The UNITE database for molecular identification of fungi: handling dark taxa and parallel taxonomic classifications DOI Creative Commons
R. Henrik Nilsson,

Karl-Henrik Larsson,

Andy F. S. Taylor

et al.

Nucleic Acids Research, Journal Year: 2018, Volume and Issue: 47(D1), P. D259 - D264

Published: Oct. 12, 2018

UNITE (https://unite.ut.ee/) is a web-based database and sequence management environment for the molecular identification of fungi. It targets formal fungal barcode-the nuclear ribosomal internal transcribed spacer (ITS) region-and offers all ∼1 000 public ITS sequences reference. These are clustered into ∼459 species hypotheses assigned digital object identifiers (DOIs) to promote unambiguous reference across studies. In-house third-party curation annotation have resulted in more than 275 improvements data over past 15 years. serves as provider range metabarcoding software pipelines regularly exchanges with major databases other community resources. Recent include redesigned handling unclassifiable hypotheses, integration taxonomic backbone Global Biodiversity Information Facility, support an unlimited number parallel classification systems.

Language: Английский

Citations

2818

The Hidden World within Plants: Ecological and Evolutionary Considerations for Defining Functioning of Microbial Endophytes DOI Open Access
Pablo R. Hardoim,

Leonard S. van Overbeek,

Gabriele Berg

et al.

Microbiology and Molecular Biology Reviews, Journal Year: 2015, Volume and Issue: 79(3), P. 293 - 320

Published: July 2, 2015

All plants are inhabited internally by diverse microbial communities comprising bacterial, archaeal, fungal, and protistic taxa. These microorganisms showing endophytic lifestyles play crucial roles in plant development, growth, fitness, diversification. The increasing awareness of information on endophytes provide insight into the complexity microbiome. nature plant-endophyte interactions ranges from mutualism to pathogenicity. This depends a set abiotic biotic factors, including genotypes microbes, environmental conditions, dynamic network within biome. In this review, we address concept endophytism, considering latest insights evolution, ecosystem functioning, multipartite interactions.

Language: Английский

Citations

2309

Mycorrhizal ecology and evolution: the past, the present, and the future DOI
Marcel G. A. van der Heijden, Francis Martin, Marc‐André Selosse

et al.

New Phytologist, Journal Year: 2015, Volume and Issue: 205(4), P. 1406 - 1423

Published: Feb. 2, 2015

Summary Almost all land plants form symbiotic associations with mycorrhizal fungi. These below‐ground fungi play a key role in terrestrial ecosystems as they regulate nutrient and carbon cycles, influence soil structure ecosystem multifunctionality. Up to 80% of plant N P is provided by many species depend on these symbionts for growth survival. Estimates suggest that there are c . 50 000 fungal 250 species. The development high‐throughput molecular tools has helped us better understand the biology, evolution, biodiversity associations. Nuclear genome assemblies gene annotations 33 now available providing fascinating opportunities deepen our understanding lifestyle, metabolic capabilities symbionts, dialogue between evolutionary adaptations across range Large‐scale surveys have novel insights into diversity, spatial temporal dynamics communities. At ecological level, network theory makes it possible analyze interactions plant–fungal partners complex underground multi‐species networks. Our analysis suggests nestedness, modularity specificity networks vary type. Mechanistic models explaining partner choice, resource exchange, coevolution been developed being tested. This review ends major frontiers further research. Contents 1406 I. Introduction 1407 II. Biodiversity 1408 III. Carbon cycling multifunctionality 1410 IV. Mycorrhizal 1411 V. Evolution selection 1413 VI. genomics crosstalk 1416 VII. Conclusions future research 1418 Acknowledgements References 1419

Language: Английский

Citations

1778

UNOISE2: improved error-correction for Illumina 16S and ITS amplicon sequencing DOI Open Access
R. C. Edgar

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2016, Volume and Issue: unknown

Published: Oct. 15, 2016

Abstract Amplicon sequencing of tags such as 16S and ITS ribosomal RNA is a popular method for investigating microbial populations. In experiments, sequence errors caused by PCR are difficult to distinguish from true biological variation. I describe UNOISE2, an updated version the UNOISE algorithm denoising (error-correcting) Illumina amplicon reads show that it has comparable or better accuracy than DADA2.

Language: Английский

Citations

1640

Root exudate metabolites drive plant-soil feedbacks on growth and defense by shaping the rhizosphere microbiota DOI Creative Commons
Lingfei Hu, Christelle A. M. Robert, Selma Cadot

et al.

Nature Communications, Journal Year: 2018, Volume and Issue: 9(1)

Published: July 10, 2018

Abstract By changing soil properties, plants can modify their growth environment. Although the microbiota is known to play a key role in resulting plant-soil feedbacks, proximal mechanisms underlying this phenomenon remain unknown. We found that benzoxazinoids, class of defensive secondary metabolites are released by roots cereals such as wheat and maize, alter root-associated fungal bacterial communities, decrease plant growth, increase jasmonate signaling defenses, suppress herbivore performance next generation. Complementation experiments demonstrate benzoxazinoid breakdown product 6-methoxy-benzoxazolin-2-one (MBOA), which accumulates during conditioning phase, both sufficient necessary trigger observed phenotypic changes. Sterilization, profiling complementation reveal MBOA acts indirectly altering microbiota. Our results mechanism determine composition rhizosphere microbiota, plant-herbivore interactions

Language: Английский

Citations

1220

CARD9 impacts colitis by altering gut microbiota metabolism of tryptophan into aryl hydrocarbon receptor ligands DOI

Bruno Lamas,

Mathias L. Richard,

Valentin Leducq

et al.

Nature Medicine, Journal Year: 2016, Volume and Issue: 22(6), P. 598 - 605

Published: May 9, 2016

Language: Английский

Citations

1199