Detection of the edible ectomycorrhizal fungus Lyophyllum shimeji colonising seedlings of cultivated conifer species in New Zealand.
Identifieur interne : 001974 ( Main/Corpus ); précédent : 001973; suivant : 001975Detection of the edible ectomycorrhizal fungus Lyophyllum shimeji colonising seedlings of cultivated conifer species in New Zealand.
Auteurs : Sandra B. Visnovsky ; Nicholas Cummings ; Alexis Guerin-Laguette ; Yun Wang ; Akiyoshi Yamada ; Hisayasu Kobayashi ; Masataka Kawai ; Andrew R. PitmanSource :
- Mycorrhiza [ 1432-1890 ] ; 2014.
English descriptors
- KwdEn :
- Agaricales (classification), Agaricales (genetics), Agaricales (growth & development), Cluster Analysis (MeSH), DNA, Fungal (chemistry), DNA, Fungal (genetics), DNA, Ribosomal Spacer (chemistry), DNA, Ribosomal Spacer (genetics), Molecular Sequence Data (MeSH), Mycorrhizae (classification), Mycorrhizae (genetics), Mycorrhizae (growth & development), New Zealand (MeSH), Peptide Elongation Factor 1 (genetics), Phylogeny (MeSH), Seedlings (microbiology), Sequence Analysis, DNA (MeSH), Tracheophyta (microbiology).
- MESH :
- chemical , chemistry : DNA, Fungal, DNA, Ribosomal Spacer.
- chemical , genetics : Peptide Elongation Factor 1.
- geographic : New Zealand.
- classification : Agaricales, Mycorrhizae.
- genetics : Agaricales, DNA, Fungal, DNA, Ribosomal Spacer, Mycorrhizae.
- growth & development : Agaricales, Mycorrhizae.
- microbiology : Seedlings, Tracheophyta.
- Cluster Analysis, Molecular Sequence Data, Phylogeny, Sequence Analysis, DNA.
Abstract
Lyophyllum shimeji is an edible ectomycorrhizal fungus that is widely distributed in East Asia and also present in the northern regions of Europe. In Japan, L. shimeji is a culinary delicacy, considered amongst all edible mushrooms to have the best taste and to be second only to Tricholoma matsutake in price. Traditionally, fruiting bodies of L. shimeji have been collected from the wild but fruiting of L. shimeji is now relatively uncommon and cannot keep up with increasing consumer demand. As a result, methods for its cultivation are being developed for commercial production in Japan and other countries. In this work, techniques were developed to cultivate L. shimeji on coniferous seedlings using a pure culture inoculum. They resulted in successful mycorrhization of Pinus pinaster and Picea abies in only 8 to 10 months. As ectomycorrhizae of L. shimeji are difficult to identify morphologically, mycorrhization was confirmed using an L. shimeji-specific PCR diagnostic, which was designed following a phylogenetic analysis of the Lyophyllum section Difformia using DNA sequences of the internal transcribed spacer (ITS), intergenic spacer (IGS) and elongation factor 1-α (EF1-α) gene. L. shimeji is a member of the Lyophyllum decastes complex in section Difformia, which also includes Lyophyllum fumosum and L. decastes. This analysis confirmed the separation of L. shimeji from closely related Lyophyllum spp. and enabled its unambiguous detection using an IGS-based PCR diagnostic. This is the first report of successful mycorrhization of L. shimeji on P. pinaster and P. abies and provides an opportunity for its commercial cultivation on conifers in New Zealand.
DOI: 10.1007/s00572-013-0552-5
PubMed: 24445577
Links to Exploration step
pubmed:24445577Le document en format XML
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<author><name sortKey="Guerin Laguette, Alexis" sort="Guerin Laguette, Alexis" uniqKey="Guerin Laguette A" first="Alexis" last="Guerin-Laguette">Alexis Guerin-Laguette</name>
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<front><div type="abstract" xml:lang="en">Lyophyllum shimeji is an edible ectomycorrhizal fungus that is widely distributed in East Asia and also present in the northern regions of Europe. In Japan, L. shimeji is a culinary delicacy, considered amongst all edible mushrooms to have the best taste and to be second only to Tricholoma matsutake in price. Traditionally, fruiting bodies of L. shimeji have been collected from the wild but fruiting of L. shimeji is now relatively uncommon and cannot keep up with increasing consumer demand. As a result, methods for its cultivation are being developed for commercial production in Japan and other countries. In this work, techniques were developed to cultivate L. shimeji on coniferous seedlings using a pure culture inoculum. They resulted in successful mycorrhization of Pinus pinaster and Picea abies in only 8 to 10 months. As ectomycorrhizae of L. shimeji are difficult to identify morphologically, mycorrhization was confirmed using an L. shimeji-specific PCR diagnostic, which was designed following a phylogenetic analysis of the Lyophyllum section Difformia using DNA sequences of the internal transcribed spacer (ITS), intergenic spacer (IGS) and elongation factor 1-α (EF1-α) gene. L. shimeji is a member of the Lyophyllum decastes complex in section Difformia, which also includes Lyophyllum fumosum and L. decastes. This analysis confirmed the separation of L. shimeji from closely related Lyophyllum spp. and enabled its unambiguous detection using an IGS-based PCR diagnostic. This is the first report of successful mycorrhization of L. shimeji on P. pinaster and P. abies and provides an opportunity for its commercial cultivation on conifers in New Zealand.</div>
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<Abstract><AbstractText>Lyophyllum shimeji is an edible ectomycorrhizal fungus that is widely distributed in East Asia and also present in the northern regions of Europe. In Japan, L. shimeji is a culinary delicacy, considered amongst all edible mushrooms to have the best taste and to be second only to Tricholoma matsutake in price. Traditionally, fruiting bodies of L. shimeji have been collected from the wild but fruiting of L. shimeji is now relatively uncommon and cannot keep up with increasing consumer demand. As a result, methods for its cultivation are being developed for commercial production in Japan and other countries. In this work, techniques were developed to cultivate L. shimeji on coniferous seedlings using a pure culture inoculum. They resulted in successful mycorrhization of Pinus pinaster and Picea abies in only 8 to 10 months. As ectomycorrhizae of L. shimeji are difficult to identify morphologically, mycorrhization was confirmed using an L. shimeji-specific PCR diagnostic, which was designed following a phylogenetic analysis of the Lyophyllum section Difformia using DNA sequences of the internal transcribed spacer (ITS), intergenic spacer (IGS) and elongation factor 1-α (EF1-α) gene. L. shimeji is a member of the Lyophyllum decastes complex in section Difformia, which also includes Lyophyllum fumosum and L. decastes. This analysis confirmed the separation of L. shimeji from closely related Lyophyllum spp. and enabled its unambiguous detection using an IGS-based PCR diagnostic. This is the first report of successful mycorrhization of L. shimeji on P. pinaster and P. abies and provides an opportunity for its commercial cultivation on conifers in New Zealand.</AbstractText>
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