Edaphic factors trigger diverse AM fungal communities associated to exotic camellias in closely located Lake Maggiore (Italy) sites.
Identifieur interne : 001710 ( Main/Corpus ); précédent : 001709; suivant : 001711Edaphic factors trigger diverse AM fungal communities associated to exotic camellias in closely located Lake Maggiore (Italy) sites.
Auteurs : Roberto Borriello ; Andrea Berruti ; Erica Lumini ; Maria Teresa Della Beffa ; Valentina Scariot ; Valeria BianciottoSource :
- Mycorrhiza [ 1432-1890 ] ; 2015.
English descriptors
- KwdEn :
- Biodiversity (MeSH), Camellia (microbiology), Cluster Analysis (MeSH), Computational Biology (MeSH), Environment (MeSH), Gene Library (MeSH), Italy (MeSH), Mycorrhizae (classification), Mycorrhizae (physiology), Phylogeny (MeSH), Plant Roots (microbiology), RNA, Ribosomal (genetics), Sequence Analysis, DNA (MeSH), Soil (chemistry), Soil Microbiology (MeSH).
- MESH :
- chemical , chemistry : Soil.
- chemical , genetics : RNA, Ribosomal.
- classification : Mycorrhizae.
- microbiology : Camellia, Plant Roots.
- physiology : Mycorrhizae.
- Biodiversity, Cluster Analysis, Computational Biology, Environment, Gene Library, Italy, Phylogeny, Sequence Analysis, DNA, Soil Microbiology.
Abstract
Camellia japonica L. is an acidophilic ornamental shrub of high economic value that has its center of origin in Japan and has been introduced in several European environmental niches. This exotic species forms arbuscular mycorrhizas (AM), known for their ability to positively affect plant growth. However, AM fungal communities associated to C. japonica in the field have never been characterized. For the first time, the AM fungal community naturally selected by C. japonica was screened in three sites located on the shores of Lake Maggiore (Italy), where specimens of this plant were introduced in the nineteenth century. Mycorrhizal levels were assessed, and the AM fungal communities associated to roots and soil were molecularly characterized based on the small subunit (SSU) rDNA region. The frequency of mycorrhizal roots was high in all sampled root systems (>90 %). Overall, 39 Operational Taxonomic Units (OTUs; 22 Glomerales, 9 Paraglomerales, 7 Archaeosporales, and 1 Diversisporales) were found in the root and soil samples. OTU richness did not significantly differ between the root and the soil niche (5.7 ± 0.6 and 8.0 ± 1.1 average OTUs per sample, respectively) and the three sites analyzed (7.5 ± 0.7, 5.2 ± 1.0, and 7.8 ± 1.5 average OTUs per sample in the three sites, respectively). The AM fungal community composition significantly differed between root-colonizing and soil-dwelling communities and among the three sites under study. Data show a major involvement of edaphic factors, such as available N sources, P, Mg, and K content in soil and soil compaction, in the structuring of the AM fungal communities.
DOI: 10.1007/s00572-014-0605-4
PubMed: 25253200
Links to Exploration step
pubmed:25253200Le document en format XML
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This exotic species forms arbuscular mycorrhizas (AM), known for their ability to positively affect plant growth. However, AM fungal communities associated to C. japonica in the field have never been characterized. For the first time, the AM fungal community naturally selected by C. japonica was screened in three sites located on the shores of Lake Maggiore (Italy), where specimens of this plant were introduced in the nineteenth century. Mycorrhizal levels were assessed, and the AM fungal communities associated to roots and soil were molecularly characterized based on the small subunit (SSU) rDNA region. The frequency of mycorrhizal roots was high in all sampled root systems (>90 %). Overall, 39 Operational Taxonomic Units (OTUs; 22 Glomerales, 9 Paraglomerales, 7 Archaeosporales, and 1 Diversisporales) were found in the root and soil samples. OTU richness did not significantly differ between the root and the soil niche (5.7 ± 0.6 and 8.0 ± 1.1 average OTUs per sample, respectively) and the three sites analyzed (7.5 ± 0.7, 5.2 ± 1.0, and 7.8 ± 1.5 average OTUs per sample in the three sites, respectively). The AM fungal community composition significantly differed between root-colonizing and soil-dwelling communities and among the three sites under study. Data show a major involvement of edaphic factors, such as available N sources, P, Mg, and K content in soil and soil compaction, in the structuring of the AM fungal communities.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25253200</PMID><DateCompleted><Year>2016</Year><Month>01</Month><Day>12</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>25</Volume><Issue>4</Issue><PubDate><Year>2015</Year><Month>May</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Edaphic factors trigger diverse AM fungal communities associated to exotic camellias in closely located Lake Maggiore (Italy) sites.</ArticleTitle><Pagination><MedlinePgn>253-65</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-014-0605-4</ELocationID><Abstract><AbstractText>Camellia japonica L. is an acidophilic ornamental shrub of high economic value that has its center of origin in Japan and has been introduced in several European environmental niches. This exotic species forms arbuscular mycorrhizas (AM), known for their ability to positively affect plant growth. However, AM fungal communities associated to C. japonica in the field have never been characterized. For the first time, the AM fungal community naturally selected by C. japonica was screened in three sites located on the shores of Lake Maggiore (Italy), where specimens of this plant were introduced in the nineteenth century. Mycorrhizal levels were assessed, and the AM fungal communities associated to roots and soil were molecularly characterized based on the small subunit (SSU) rDNA region. The frequency of mycorrhizal roots was high in all sampled root systems (>90 %). Overall, 39 Operational Taxonomic Units (OTUs; 22 Glomerales, 9 Paraglomerales, 7 Archaeosporales, and 1 Diversisporales) were found in the root and soil samples. OTU richness did not significantly differ between the root and the soil niche (5.7 ± 0.6 and 8.0 ± 1.1 average OTUs per sample, respectively) and the three sites analyzed (7.5 ± 0.7, 5.2 ± 1.0, and 7.8 ± 1.5 average OTUs per sample in the three sites, respectively). The AM fungal community composition significantly differed between root-colonizing and soil-dwelling communities and among the three sites under study. Data show a major involvement of edaphic factors, such as available N sources, P, Mg, and K content in soil and soil compaction, in the structuring of the AM fungal communities.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Borriello</LastName><ForeName>Roberto</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Institute for Sustainable Plant Protection - Torino UOS, National Research Council (CNR), Viale Mattioli 25, 10125, Torino, Italy.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Berruti</LastName><ForeName>Andrea</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Lumini</LastName><ForeName>Erica</ForeName><Initials>E</Initials></Author><Author ValidYN="Y"><LastName>Della Beffa</LastName><ForeName>Maria Teresa</ForeName><Initials>MT</Initials></Author><Author ValidYN="Y"><LastName>Scariot</LastName><ForeName>Valentina</ForeName><Initials>V</Initials></Author><Author 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