Ectomycorrhizal fungal communities of secondary tropical forests dominated by Tristaniopsis in Bangka Island, Indonesia.
Identifieur interne : 000580 ( Main/Exploration ); précédent : 000579; suivant : 000581Ectomycorrhizal fungal communities of secondary tropical forests dominated by Tristaniopsis in Bangka Island, Indonesia.
Auteurs : Helbert [Japon] ; Maman Turjaman [Indonésie] ; Kazuhide Nara [Japon]Source :
- PloS one [ 1932-6203 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- isolement et purification : Mycorhizes.
- microbiologie : Myrtaceae.
- physiologie : Mycorhizes.
- Arbres, Climat tropical, Forêts, Iles, Indonésie.
- Wicri :
- geographic : Indonésie.
English descriptors
- KwdEn :
- 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
Affiliations:
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type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Forests (MeSH)</term><term>Indonesia (MeSH)</term><term>Islands (MeSH)</term><term>Mycorrhizae (isolation & purification)</term><term>Mycorrhizae (physiology)</term><term>Myrtaceae (microbiology)</term><term>Trees (MeSH)</term><term>Tropical Climate (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Arbres (MeSH)</term><term>Climat tropical (MeSH)</term><term>Forêts (MeSH)</term><term>Iles (MeSH)</term><term>Indonésie (MeSH)</term><term>Mycorhizes (isolement et purification)</term><term>Mycorhizes (physiologie)</term><term>Myrtaceae (microbiologie)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Indonesia</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Myrtaceae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Myrtaceae</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Forests</term><term>Islands</term><term>Trees</term><term>Tropical Climate</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Arbres</term><term>Climat tropical</term><term>Forêts</term><term>Iles</term><term>Indonésie</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Indonésie</term></keywords></textClass></profileDesc></teiHeader><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></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31498844</PMID><DateCompleted><Year>2020</Year><Month>03</Month><Day>06</Day></DateCompleted><DateRevised><Year>2020</Year><Month>03</Month><Day>06</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Electronic">1932-6203</ISSN><JournalIssue CitedMedium="Internet"><Volume>14</Volume><Issue>9</Issue><PubDate><Year>2019</Year></PubDate></JournalIssue><Title>PloS one</Title><ISOAbbreviation>PLoS One</ISOAbbreviation></Journal><ArticleTitle>Ectomycorrhizal fungal communities of secondary tropical forests dominated by Tristaniopsis in Bangka Island, Indonesia.</ArticleTitle><Pagination><MedlinePgn>e0221998</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0221998</ELocationID><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></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Helbert</LastName><Identifier Source="ORCID">0000-0002-1281-2159</Identifier><AffiliationInfo><Affiliation>Department of Natural Environmental Studies, The University of Tokyo, Kashiwa, Chiba, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Turjaman</LastName><ForeName>Maman</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Forest Research and Development Centre (FRDC), Environment and Forestry Research, Development, Innovation Agency (FORDA), the Ministry of Environment and Forestry, Bogor, Indonesia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Nara</LastName><ForeName>Kazuhide</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Department of Natural Environmental Studies, The University of Tokyo, Kashiwa, Chiba, Japan.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>09</Month><Day>09</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>PLoS One</MedlineTA><NlmUniqueID>101285081</NlmUniqueID><ISSNLinking>1932-6203</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D065928" MajorTopicYN="Y">Forests</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007214" MajorTopicYN="N" Type="Geographic">Indonesia</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D062312" MajorTopicYN="Y">Islands</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" 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PubStatus="entrez"><Year>2019</Year><Month>9</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>9</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>3</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31498844</ArticleId><ArticleId IdType="doi">10.1371/journal.pone.0221998</ArticleId><ArticleId IdType="pii">PONE-D-19-15788</ArticleId><ArticleId IdType="pmc">PMC6733470</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>New Phytol. 2006;169(1):169-78</Citation><ArticleIdList><ArticleId IdType="pubmed">16390428</ArticleId></ArticleIdList></Reference><Reference><Citation>New Phytol. 2007;175(2):321-33</Citation><ArticleIdList><ArticleId 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