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Table 1 Top 10 list of non-Glomeromycota OTUs with the highest betweenness within the metacommunity networks

From: Network hubs in root-associated fungal metacommunities

OTU

Score

Phylum

Class

Order

Family

Genus

Category

NCBI Blast top hit

Accession

Cover

Identity

Full (8 sites)

 F_0042*

1.000

Mortierellales

Mortierellaceae

Mortierella

Saprotroph/endophyte

Mortierella humilis

KP714537

100%

100%

 F_0381

0.844

Basidiomycota

Tremellomycetes

Trichosporonales

Trichosporonaceae

Cryptococcus

Others_unknown

Saitozyma podzolica

KY320605

92%

99%

 F_0079

0.679

Ascomycota

Sordariomycetes

Hypocreales

Nectriaceae

Saprotroph/endophyte

Ilyonectria protearum

NR_152890

99%

100%

 F_0489

0.576

Mortierellales

Mortierellaceae

Mortierella

Saprotroph/endophyte

Mortierella sp.

KM113754

100%

100%

 F_0010

0.411

Ascomycota

Leotiomycetes

Myxotrichaceae

Oidiodendron

Ericoid_mycorrhizal

Oidiodendron maius

LC206669

100%

100%

 F_0368

0.403

Basidiomycota

Malasseziomycetes

Malasseziales

Malasseziaceae

Malassezia

Others_unknown

Malassezia restricta

KT809059

100%

100%

 F_0623

0.382

Mortierellales

Mortierellaceae

Mortierella

Saprotroph/endophyte

Mortierella gamsii

KY305027

100%

100%

 F_1188

0.334

Basidiomycota

Tremellomycetes

Trichosporonales

Trichosporonaceae

Cryptococcus

Others_unknown

Saitozyma podzolica

KY320605

92%

99%

 F_0007

0.333

Ascomycota

Sordariomycetes

Diaporthales

Melanconidaceae

Melanconiella

Saprotroph/endophyte

Melanconiella elegans

KJ173701

100%

85%

 F_0485

0.288

Ascomycota

Sordariomycetes

Hypocreales

Hypocreaceae

Trichoderma

Saprotroph/endophyte

Trichoderma sp.

HG008760

100%

100%

Northern 4 sites (cool-temperate)

 F_0042*

1.000

Mortierellales

Mortierellaceae

Mortierella

Saprotroph/endophyte

Mortierella humilis

KP714537

100%

100%

 F_0034*

0.795

Ascomycota

Eurotiomycetes

Chaetothyriales

Herpotrichiellaceae

Cladophialophora

Saprotroph/endophyte

Cladophialophora chaetospira

KF359558

100%

99%

 F_0079*

0.767

Ascomycota

Sordariomycetes

Hypocreales

Nectriaceae

Saprotroph/endophyte

Ilyonectria protearum

NR_152890

99%

100%

 F_0015*

0.763

Ascomycota

Others_unknown

Cadophora orchidicola

KX611558

100%

99%

 F_0202*

0.749

Ascomycota

Eurotiomycetes

Chaetothyriales

Herpotrichiellaceae

Cladophialophora

Saprotroph/endophyte

Cladophialophora chaetospira

HQ871875

100%

99%

 F_0195*

0.611

Ascomycota

Eurotiomycetes

Chaetothyriales

Herpotrichiellaceae

Cladophialophora

Saprotroph/endophyte

Cladophialophora chaetospira

EU035405

100%

100%

 F_0181*

0.580

Ascomycota

Leotiomycetes

Helotiales

Dermateaceae

Pezicula

Endophyte

Pezicula melanigena

LC206665

100%

99%

 F_0010

0.545

Ascomycota

Leotiomycetes

Myxotrichaceae

Oidiodendron

Ericoid_mycorrhizal

Oidiodendron maius

LC206669

100%

100%

 F_0103*

0.538

Ascomycota

Eurotiomycetes

Chaetothyriales

Herpotrichiellaceae

Cladophialophora

Saprotroph/endophyte

Cladophialophora chaetospira

EU035403

100%

97%

 F_0489*

0.534

Mortierellales

Mortierellaceae

Mortierella

Saprotroph/endophyte

Mortierella sp.

KM113754

100%

100%

Southern 4 sites (warm-temperate and subtropical)

 F_0381*

1.000

Basidiomycota

Tremellomycetes

Trichosporonales

Trichosporonaceae

Cryptococcus

Others_unknown

Saitozyma podzolica

KY320605

92%

99%

 F_0042*

0.569

Mortierellales

Mortierellaceae

Mortierella

Saprotroph/endophyte

Mortierella humilis

KP714537

100%

100%

 F_0610*

0.460

Ascomycota

Sordariomycetes

Hypocreales

Hypocreaceae

Trichoderma

Saprotroph/endophyte

Trichoderma spirale

KU948158

100%

100%

 F_1188*

0.443

Basidiomycota

Tremellomycetes

Trichosporonales

Trichosporonaceae

Cryptococcus

Others_unknown

Saitozyma podzolica

KY320605

92%

99%

 F_0029

0.414

Ascomycota

Eurotiomycetes

Chaetothyriales

Herpotrichiellaceae

Others_unknown

Cladophialophora sp.

LC189029

100%

99%

 F_0017

0.319

Ascomycota

Others_unknown

Scleropezicula sp.

KT809119

100%

98%

 F_0007

0.314

Ascomycota

Sordariomycetes

Diaporthales

Melanconidaceae

Melanconiella

Saprotroph/endophyte

Melanconiella elegans

KJ173701

100%

85%

 F_0485

0.303

Ascomycota

Sordariomycetes

Hypocreales

Hypocreaceae

Trichoderma

Saprotroph/endophyte

Trichoderma sp.

HG008760

100%

100%

 F_0112

0.266

Basidiomycota

Agaricomycetes

Thelephorales

Thelephoraceae

Tomentella

Ectomycorrhizal

Tomentella stuposa

KR019860

100%

98%

 F_0073

0.258

Ascomycota

Sordariomycetes

Others_unknown

Rhexodenticula acaciae

KY173442

94%

95%

  1. In each of the three metacommunity-scale networks examined (full, cool-temperate, and warm-temperate/subtropical), fungal OTUs were ranked based on their betweenness centrality scores. As taxonomic information of Glomeromycota OTUs with high betweenness scores was redundant (e.g., Glomus spp. or Glomeraceae spp.), the top 10 list of non-Glomeromycota OTUs is shown. Taxonomy information of each OTU was inferred based on the query-centric auto-k-nearest-neighbor algorithm of reference database search [59, 60] and subsequent taxonomic assignment with the lowest common ancestor algorithm [66]. The results of the NCBI nucleotide Blast are also shown. For simplicity, the functional groups of fungi inferred with the program FUNGuild [67] were organized into several categories. See Additional file 4; Data S4 for details of the categories and for full results including Glomeromycota and other fungal OTUs
  2. *Fungal OTUs classified as metacommunity hubs (mean local betweenness > 0.5; metacommunity betweenness > 0.5)
  3. †Synonym, Cryptcoccus podzolica