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Title: Vertical Structure of Phyllosphere Fungal Communities in a Tropical Forest in Thailand Uncovered by High-Throughput Sequencing

Abstract

Phyllosphere fungi harbor a tremendous species diversity and play important ecological roles. However, little is known about their distribution patterns within forest ecosystems. We examined how species diversity and community composition of phyllosphere fungi change along a vertical structure in a tropical forest in Thailand. Fungal communities in 144 leaf samples from 19 vertical layers (1.28–34.4 m above ground) of 73 plant individuals (27 species) were investigated by metabarcoding analysis using Ion Torrent sequencing. In total, 1,524 fungal operational taxonomic units (OTUs) were detected among 890,710 reads obtained from the 144 leaf samples. Taxonomically diverse fungi belonging to as many as 24 orders of Ascomycota and 21 orders of Basidiomycota were detected, most of which inhabited limited parts of the lowest layers closest to the forest floor. Species diversity of phyllosphere fungi was the highest in the lowest layers closest to the forest floor, decreased with increasing height, and lowest in the canopy; 742 and 55 fungal OTUs were detected at the lowest and highest layer, respectively. On the layers close to the forest floor, phyllosphere fungal communities were mainly composed of low frequency OTUs and largely differentiated among plant individuals. Conversely, in the canopy, fungal communities consisted of similarmore » OTUs across plant individuals, and as many as 86.1%–92.7% of the OTUs found in the canopy (≥22 m above ground) were also distributed in the lower layers. Overall, our study showed the variability of phyllosphere fungal communities along the vertical gradient of plant vegetation and environmental conditions, suggesting the significance of biotic and abiotic variation for the species diversity of phyllosphere fungi.« less

Authors:
 [1];  [1];  [2];  [3];  [1]
  1. Kyoto Univ. (Japan). Graduate School of Agriculture
  2. Sakaerat Environmental Research Station (Thailand)
  3. Kasetsart Univ., Bangkok (Thailand)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1497181
Grant/Contract Number:  
24255007; 13J02516
Resource Type:
Accepted Manuscript
Journal Name:
PLoS ONE
Additional Journal Information:
Journal Volume: 11; Journal Issue: 11; Journal ID: ISSN 1932-6203
Publisher:
Public Library of Science
Country of Publication:
United States
Language:
ENGLISH
Subject:
59 BASIC BIOLOGICAL SCIENCES; Fungal structure; Forests; Fungi; Species diversity; Fungal classification; Plants; Taxonomy; Forest ecology

Citation Formats

Izuno, Ayako, Kanzaki, Mamoru, Artchawakom, Taksin, Wachrinrat, Chongrak, and Isagi, Yuji. Vertical Structure of Phyllosphere Fungal Communities in a Tropical Forest in Thailand Uncovered by High-Throughput Sequencing. United States: N. p., 2016. Web. doi:10.1371/journal.pone.0166669.
Izuno, Ayako, Kanzaki, Mamoru, Artchawakom, Taksin, Wachrinrat, Chongrak, & Isagi, Yuji. Vertical Structure of Phyllosphere Fungal Communities in a Tropical Forest in Thailand Uncovered by High-Throughput Sequencing. United States. https://doi.org/10.1371/journal.pone.0166669
Izuno, Ayako, Kanzaki, Mamoru, Artchawakom, Taksin, Wachrinrat, Chongrak, and Isagi, Yuji. Fri . "Vertical Structure of Phyllosphere Fungal Communities in a Tropical Forest in Thailand Uncovered by High-Throughput Sequencing". United States. https://doi.org/10.1371/journal.pone.0166669. https://www.osti.gov/servlets/purl/1497181.
@article{osti_1497181,
title = {Vertical Structure of Phyllosphere Fungal Communities in a Tropical Forest in Thailand Uncovered by High-Throughput Sequencing},
author = {Izuno, Ayako and Kanzaki, Mamoru and Artchawakom, Taksin and Wachrinrat, Chongrak and Isagi, Yuji},
abstractNote = {Phyllosphere fungi harbor a tremendous species diversity and play important ecological roles. However, little is known about their distribution patterns within forest ecosystems. We examined how species diversity and community composition of phyllosphere fungi change along a vertical structure in a tropical forest in Thailand. Fungal communities in 144 leaf samples from 19 vertical layers (1.28–34.4 m above ground) of 73 plant individuals (27 species) were investigated by metabarcoding analysis using Ion Torrent sequencing. In total, 1,524 fungal operational taxonomic units (OTUs) were detected among 890,710 reads obtained from the 144 leaf samples. Taxonomically diverse fungi belonging to as many as 24 orders of Ascomycota and 21 orders of Basidiomycota were detected, most of which inhabited limited parts of the lowest layers closest to the forest floor. Species diversity of phyllosphere fungi was the highest in the lowest layers closest to the forest floor, decreased with increasing height, and lowest in the canopy; 742 and 55 fungal OTUs were detected at the lowest and highest layer, respectively. On the layers close to the forest floor, phyllosphere fungal communities were mainly composed of low frequency OTUs and largely differentiated among plant individuals. Conversely, in the canopy, fungal communities consisted of similar OTUs across plant individuals, and as many as 86.1%–92.7% of the OTUs found in the canopy (≥22 m above ground) were also distributed in the lower layers. Overall, our study showed the variability of phyllosphere fungal communities along the vertical gradient of plant vegetation and environmental conditions, suggesting the significance of biotic and abiotic variation for the species diversity of phyllosphere fungi.},
doi = {10.1371/journal.pone.0166669},
journal = {PLoS ONE},
number = 11,
volume = 11,
place = {United States},
year = {Fri Nov 18 00:00:00 EST 2016},
month = {Fri Nov 18 00:00:00 EST 2016}
}

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Cited by: 23 works
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High-Coverage ITS Primers for the DNA-Based Identification of Ascomycetes and Basidiomycetes in Environmental Samples
journal, July 2012


Diversity and host Range of Foliar Fungal Endophytes: are Tropical Leaves Biodiversity Hotspots?
journal, March 2007

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journal, July 1977


Multi-locus phylogeny of Pleosporales: a taxonomic, ecological and evolutionary re-evaluation
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Differences in Soil Properties of Dry Evergreen and Dry Deciduous Forests in the Sakaerat Environmental Research Station.
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A test of community assembly rules using foliar endophytes from a tropical forest canopy
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Tropical Palm Endophytes Exhibit Low Competitive Structuring When Assessed Using Co-occurrence and Antipathogen Activity Analysis
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