Long-term effect of apatite on ectomycorrhizal growth and community structure.
Identifieur interne : 002028 ( Main/Corpus ); précédent : 002027; suivant : 002029Long-term effect of apatite on ectomycorrhizal growth and community structure.
Auteurs : Christoffer Berner ; Tomas Johansson ; H Kan WallanderSource :
- Mycorrhiza [ 1432-1890 ] ; 2012.
English descriptors
- KwdEn :
- Apatites (metabolism), Apatites (pharmacology), Basidiomycota (drug effects), Basidiomycota (genetics), Basidiomycota (growth & development), Basidiomycota (isolation & purification), Biodiversity (MeSH), Biological Transport (MeSH), Biomass (MeSH), Carbon (metabolism), DNA, Fungal (chemistry), DNA, Fungal (genetics), DNA, Ribosomal Spacer (chemistry), DNA, Ribosomal Spacer (genetics), Ergosterol (analysis), Mycelium (MeSH), Mycorrhizae (drug effects), Mycorrhizae (genetics), Mycorrhizae (growth & development), Mycorrhizae (isolation & purification), Phosphorus (metabolism), Picea (drug effects), Picea (growth & development), Picea (microbiology), Plant Roots (growth & development), Plant Roots (microbiology), Sequence Analysis, DNA (MeSH), Soil (chemistry), Sweden (MeSH), Symbiosis (MeSH), Time (MeSH), Trees (MeSH).
- MESH :
- chemical , analysis : Ergosterol.
- chemical , chemistry : DNA, Fungal, DNA, Ribosomal Spacer, Soil.
- chemical , genetics : DNA, Fungal, DNA, Ribosomal Spacer.
- chemical , metabolism : Apatites, Carbon, Phosphorus.
- chemical , pharmacology : Apatites.
- drug effects : Basidiomycota, Mycorrhizae, Picea.
- genetics : Basidiomycota, Mycorrhizae.
- growth & development : Basidiomycota, Mycorrhizae, Picea, Plant Roots.
- isolation & purification : Basidiomycota, Mycorrhizae.
- microbiology : Picea, Plant Roots.
- Biodiversity, Biological Transport, Biomass, Mycelium, Sequence Analysis, DNA, Sweden, Symbiosis, Time, Trees.
Abstract
Ectomycorrhizal (ECM) fungi are efficient at taking up phosphorus (P) from mineral sources, such as apatite, which are not easily available to the host trees. Since ECM fungal species differ in P uptake rates, it can be expected that the composition of the ECM fungal community will change upon exposure to apatite, provided that the P transfer is rewarded by more carbon being transferred to the fungal symbiont. Control and apatite-amended mesh bags were buried in pairs in the humus layer of a P-poor Norway spruce forest. The ECM fungal community that colonized these bags was analyzed by DNA extraction, PCR amplification of the internal transcribed spacer (ITS) region, cloning, and random sequencing. Fungal biomass was estimated by ergosterol analysis. No change in the ECM fungal community structure was seen after 5 years of apatite exposure, although the fungal biomass increased threefold upon apatite amendment. Our results indicate that host trees enhance carbon allocation to ECM fungi colonizing P sources in P-poor forests but the lack of change in the composition of the ECM fungal community suggests that P transfer rates were similar among the species. Alternatively, higher P transfer among certain species was not rewarded with higher carbon transfer from the host.
DOI: 10.1007/s00572-012-0438-y
PubMed: 22451218
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pubmed:22451218Le document en format XML
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(metabolism)</term><term>Picea (drug effects)</term><term>Picea (growth & development)</term><term>Picea (microbiology)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (microbiology)</term><term>Sequence Analysis, DNA (MeSH)</term><term>Soil (chemistry)</term><term>Sweden (MeSH)</term><term>Symbiosis (MeSH)</term><term>Time (MeSH)</term><term>Trees (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Ergosterol</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>DNA, Fungal</term><term>DNA, Ribosomal Spacer</term><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Fungal</term><term>DNA, Ribosomal Spacer</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Apatites</term><term>Carbon</term><term>Phosphorus</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Apatites</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term><term>Picea</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term><term>Picea</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Picea</term><term>Plant Roots</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biodiversity</term><term>Biological Transport</term><term>Biomass</term><term>Mycelium</term><term>Sequence Analysis, DNA</term><term>Sweden</term><term>Symbiosis</term><term>Time</term><term>Trees</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Ectomycorrhizal (ECM) fungi are efficient at taking up phosphorus (P) from mineral sources, such as apatite, which are not easily available to the host trees. Since ECM fungal species differ in P uptake rates, it can be expected that the composition of the ECM fungal community will change upon exposure to apatite, provided that the P transfer is rewarded by more carbon being transferred to the fungal symbiont. Control and apatite-amended mesh bags were buried in pairs in the humus layer of a P-poor Norway spruce forest. The ECM fungal community that colonized these bags was analyzed by DNA extraction, PCR amplification of the internal transcribed spacer (ITS) region, cloning, and random sequencing. Fungal biomass was estimated by ergosterol analysis. No change in the ECM fungal community structure was seen after 5 years of apatite exposure, although the fungal biomass increased threefold upon apatite amendment. Our results indicate that host trees enhance carbon allocation to ECM fungi colonizing P sources in P-poor forests but the lack of change in the composition of the ECM fungal community suggests that P transfer rates were similar among the species. Alternatively, higher P transfer among certain species was not rewarded with higher carbon transfer from the host.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22451218</PMID><DateCompleted><Year>2013</Year><Month>03</Month><Day>14</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>22</Volume><Issue>8</Issue><PubDate><Year>2012</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Long-term effect of apatite on ectomycorrhizal growth and community structure.</ArticleTitle><Pagination><MedlinePgn>615-21</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-012-0438-y</ELocationID><Abstract><AbstractText>Ectomycorrhizal (ECM) fungi are efficient at taking up phosphorus (P) from mineral sources, such as apatite, which are not easily available to the host trees. Since ECM fungal species differ in P uptake rates, it can be expected that the composition of the ECM fungal community will change upon exposure to apatite, provided that the P transfer is rewarded by more carbon being transferred to the fungal symbiont. Control and apatite-amended mesh bags were buried in pairs in the humus layer of a P-poor Norway spruce forest. The ECM fungal community that colonized these bags was analyzed by DNA extraction, PCR amplification of the internal transcribed spacer (ITS) region, cloning, and random sequencing. Fungal biomass was estimated by ergosterol analysis. No change in the ECM fungal community structure was seen after 5 years of apatite exposure, although the fungal biomass increased threefold upon apatite amendment. Our results indicate that host trees enhance carbon allocation to ECM fungi colonizing P sources in P-poor forests but the lack of change in the composition of the ECM fungal community suggests that P transfer rates were similar among the species. Alternatively, higher P transfer among certain species was not rewarded with higher carbon transfer from the host.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Berner</LastName><ForeName>Christoffer</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Microbial Ecology, Department of Biology, Lund University, Lund, Sweden. christoffer.berner@biol.lu.se</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Johansson</LastName><ForeName>Tomas</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Wallander</LastName><ForeName>Håkan</ForeName><Initials>H</Initials></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 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