MycorrhizaeV1, Main, Corpus, bibRecord, 000325

Ectomycorrhizal fungal communities of secondary tropical forests dominated by Tristaniopsis in Bangka Island, Indonesia.

Identifieur interne : 000325 ( Main/Corpus ); précédent : 000324; suivant : 000326

Ectomycorrhizal fungal communities of secondary tropical forests dominated by Tristaniopsis in Bangka Island, Indonesia.

Auteurs : Helbert ; Maman Turjaman ; Kazuhide Nara

Source :

PloS one [ 1932-6203 ] ; 2019.

RBID : pubmed:31498844

English descriptors

KwdEn :
- Forests (MeSH), Indonesia (MeSH), Islands (MeSH), Mycorrhizae (isolation & purification), Mycorrhizae (physiology), Myrtaceae (microbiology), Trees (MeSH), Tropical Climate (MeSH).
MESH :
- geographic : Indonesia.
- isolation & purification : Mycorrhizae.
- microbiology : Myrtaceae.
- physiology : Mycorrhizae.
- Forests, Islands, Trees, Tropical Climate.

Abstract

In Southeast Asia, primary tropical rainforests are usually dominated by ectomycorrhizal (ECM) trees belonging to Dipterocarpaceae, although arbuscular mycorrhizal trees often outcompete them after disturbances such as forest fires and clear-cutting, thus preventing dipterocarp regeneration. In some secondary tropical forests, however, potentially ECM trees belonging to Tristaniopsis (Myrtaceae) become dominant and may help ECM dipterocarp forests to recover. However, we have no information about their mycorrhizal status in these settings. In this study, we analyzed ECM fungal communities in tropical secondary forests dominated by Tristaniopsis and investigated which ECM fungal species are shared with other tropical or temperate areas. In total, 100 samples were collected from four secondary forests dominated by Tristaniopsis on Bangka Island. ECM tips in the soil samples were subjected to molecular analyses to identify both ECM and host species. Based on a >97% ITS sequence similarity threshold, we identified 56 ECM fungal species dominated by Thelephoraceae, Russulaceae, and Clavulinaceae. Some of the ECM fungal species were shared between dominant Tristaniopsis and coexisting Eucalyptus or Quercus trees, including 5 common to ECM fungi recorded in a primary mixed dipterocarp forest at Lambir Hill, Malaysia. In contrast, no ECM fungal species were shared with other geographical regions, even with Tristaniopsis in New Caledonia. These results imply that secondary tropical forests dominated by Tristaniopsis harbor diverse ECM fungi, including those that inhabit primary dipterocarp forests in the same geographical region. They may function as refugia for ECM fungi, given that dipterocarp forests are disappearing quickly due to human activity.

DOI: 10.1371/journal.pone.0221998
PubMed: 31498844
PubMed Central: PMC6733470

Links to Exploration step

pubmed:31498844

Le document en format XML

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<author><name sortKey="Helbert" sort="Helbert" uniqKey="Helbert" last="Helbert">Helbert</name>
<affiliation><nlm:affiliation>Department of Natural Environmental Studies, The University of Tokyo, Kashiwa, Chiba, Japan.</nlm:affiliation>
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<author><name sortKey="Turjaman, Maman" sort="Turjaman, Maman" uniqKey="Turjaman M" first="Maman" last="Turjaman">Maman Turjaman</name>
<affiliation><nlm:affiliation>Forest Research and Development Centre (FRDC), Environment and Forestry Research, Development, Innovation Agency (FORDA), the Ministry of Environment and Forestry, Bogor, Indonesia.</nlm:affiliation>
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<author><name sortKey="Nara, Kazuhide" sort="Nara, Kazuhide" uniqKey="Nara K" first="Kazuhide" last="Nara">Kazuhide Nara</name>
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<affiliation><nlm:affiliation>Department of Natural Environmental Studies, The University of Tokyo, Kashiwa, Chiba, Japan.</nlm:affiliation>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Forests (MeSH)</term>
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<term>Mycorrhizae (physiology)</term>
<term>Myrtaceae (microbiology)</term>
<term>Trees (MeSH)</term>
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<front><div type="abstract" xml:lang="en">In Southeast Asia, primary tropical rainforests are usually dominated by ectomycorrhizal (ECM) trees belonging to Dipterocarpaceae, although arbuscular mycorrhizal trees often outcompete them after disturbances such as forest fires and clear-cutting, thus preventing dipterocarp regeneration. In some secondary tropical forests, however, potentially ECM trees belonging to Tristaniopsis (Myrtaceae) become dominant and may help ECM dipterocarp forests to recover. However, we have no information about their mycorrhizal status in these settings. In this study, we analyzed ECM fungal communities in tropical secondary forests dominated by Tristaniopsis and investigated which ECM fungal species are shared with other tropical or temperate areas. In total, 100 samples were collected from four secondary forests dominated by Tristaniopsis on Bangka Island. ECM tips in the soil samples were subjected to molecular analyses to identify both ECM and host species. Based on a >97% ITS sequence similarity threshold, we identified 56 ECM fungal species dominated by Thelephoraceae, Russulaceae, and Clavulinaceae. Some of the ECM fungal species were shared between dominant Tristaniopsis and coexisting Eucalyptus or Quercus trees, including 5 common to ECM fungi recorded in a primary mixed dipterocarp forest at Lambir Hill, Malaysia. In contrast, no ECM fungal species were shared with other geographical regions, even with Tristaniopsis in New Caledonia. These results imply that secondary tropical forests dominated by Tristaniopsis harbor diverse ECM fungi, including those that inhabit primary dipterocarp forests in the same geographical region. They may function as refugia for ECM fungi, given that dipterocarp forests are disappearing quickly due to human activity.</div>
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<Abstract><AbstractText>In Southeast Asia, primary tropical rainforests are usually dominated by ectomycorrhizal (ECM) trees belonging to Dipterocarpaceae, although arbuscular mycorrhizal trees often outcompete them after disturbances such as forest fires and clear-cutting, thus preventing dipterocarp regeneration. In some secondary tropical forests, however, potentially ECM trees belonging to Tristaniopsis (Myrtaceae) become dominant and may help ECM dipterocarp forests to recover. However, we have no information about their mycorrhizal status in these settings. In this study, we analyzed ECM fungal communities in tropical secondary forests dominated by Tristaniopsis and investigated which ECM fungal species are shared with other tropical or temperate areas. In total, 100 samples were collected from four secondary forests dominated by Tristaniopsis on Bangka Island. ECM tips in the soil samples were subjected to molecular analyses to identify both ECM and host species. Based on a >97% ITS sequence similarity threshold, we identified 56 ECM fungal species dominated by Thelephoraceae, Russulaceae, and Clavulinaceae. Some of the ECM fungal species were shared between dominant Tristaniopsis and coexisting Eucalyptus or Quercus trees, including 5 common to ECM fungi recorded in a primary mixed dipterocarp forest at Lambir Hill, Malaysia. In contrast, no ECM fungal species were shared with other geographical regions, even with Tristaniopsis in New Caledonia. These results imply that secondary tropical forests dominated by Tristaniopsis harbor diverse ECM fungi, including those that inhabit primary dipterocarp forests in the same geographical region. They may function as refugia for ECM fungi, given that dipterocarp forests are disappearing quickly due to human activity.</AbstractText>
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<CoiStatement>The authors have declared that no competing interests exist.</CoiStatement>
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Ectomycorrhizal fungal communities of secondary tropical forests dominated by Tristaniopsis in Bangka Island, Indonesia.

Ectomycorrhizal fungal communities of secondary tropical forests dominated by Tristaniopsis in Bangka Island, Indonesia.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki