共 104 条
The Laccaria genome:: a symbiont blueprint decoded
被引:67
作者:

Martin, Francis
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机构:
Nancy Univ, INRA, UMR Interact Arbres Microorganismes 1136, IFR110,Ctr Nancy, F-54280 Champenoux, France Nancy Univ, INRA, UMR Interact Arbres Microorganismes 1136, IFR110,Ctr Nancy, F-54280 Champenoux, France

Selosse, Marc-Andre
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h-index: 0
机构:
Ctr Ecol Fonct & Evolut, Equipe Interact Biot, UMR5175, F-34293 Montpellier 5, France Nancy Univ, INRA, UMR Interact Arbres Microorganismes 1136, IFR110,Ctr Nancy, F-54280 Champenoux, France
机构:
[1] Nancy Univ, INRA, UMR Interact Arbres Microorganismes 1136, IFR110,Ctr Nancy, F-54280 Champenoux, France
[2] Ctr Ecol Fonct & Evolut, Equipe Interact Biot, UMR5175, F-34293 Montpellier 5, France
关键词:
comparative genomics;
gene family;
mating;
mycorrhiza;
saprophytism;
secretome;
symbiosis;
transposable elements;
D O I:
10.1111/j.1469-8137.2008.02613.x
中图分类号:
Q94 [植物学];
学科分类号:
071001 ;
摘要:
The first genomic sequence for a representative of symbiotic fungi, the ectomycorrhizal basidiomycete Laccaria bicolor, has been published. The unravelling of this genome provides tantalizing hints about differences between this symbiotic fungus and its saprotrophic and pathogenic relatives. An expansion of several multigene families occurred in L. bicolor, suggesting that adaptation to symbiosis proceeded by gene duplication. Within lineage-specific genes those coding for symbiosis-regulated secreted proteins showed an up-regulated expression in ectomycorrhizas. L. bicolor is lacking enzymes involved in the degradation of plant cell wall components (cellulose, hemicellulose, pectins and pectates), preventing the symbiont from degrading host cells. By contrast, L. bicolor possesses expanded multigene families associated with hydrolysis of bacterial and microfauna polysaccharides and proteins. The genome analysis revealed the dual saprotrophic and biotrophic lifestyle of the mycorrhizal fungus that enables it to grow within both soil and living plant roots. The next stages will involve finer-scale investigation of gene networks to reveal the details of the general patterns now uncovered at the genomic level. The acceptance of L. bicolor as a model organism for symbiosis genetics will, however, depend strongly on the availability of additional genetic, genomic and molecular biological resources, such as gene inactivation procedures.
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页码:296 / 310
页数:15
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机构: Univ Minnesota, St Paul, MN 55108 USA

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机构: Univ Minnesota, St Paul, MN 55108 USA

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论文数: 0 引用数: 0
h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Magnuson, Jon K.
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

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论文数: 0 引用数: 0
h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Mauceli, Evan
论文数: 0 引用数: 0
h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Mewes, Hans-Werner
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

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机构: Univ Minnesota, St Paul, MN 55108 USA

Muehlbauer, Gary
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Muensterkoetter, Martin
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Nelson, David
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

O'Donnell, Kerry
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Ouellet, Thérèse
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Qi, Weihong
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Quesneville, Hadi
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Roncero, M. Isabel G.
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机构: Univ Minnesota, St Paul, MN 55108 USA

Seong, Kye-Yong
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机构: Univ Minnesota, St Paul, MN 55108 USA

Tetko, Igor V.
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机构: Univ Minnesota, St Paul, MN 55108 USA

Urban, Martin
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机构: Univ Minnesota, St Paul, MN 55108 USA

Waalwijk, Cees
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h-index: 0
机构: Univ Minnesota, St Paul, MN 55108 USA

Ward, Todd J.
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机构: Univ Minnesota, St Paul, MN 55108 USA

Yao, Jiqiang
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机构: Univ Minnesota, St Paul, MN 55108 USA

Birren, Bruce W.
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