ROUXEL, T.; GRANDAUBERT, J.; HANE, Jk.; HOEDE, Claire; VAN DE WOUW, Angela P.; COULOUX, A.; DOMINGUEZ, V.; ANTHOUARD, Véronique; BALLY, P.; BOURRAS, S.; COZIJNSEN, Anton J.; CIUFFETTI, Lynda M.; DEGRAVE, Alexandre; DILMAGHANI, A.; DURET, L.; FUDAL, I.; GOODWIN, Stephen B.; GOUT, L.; GLASER, N.; LINGLIN, J.; KEMA, Gert H. J.; LAPALU, Nicolas; LAWRENCE, Christophe B.; MAY, K.; MEYER, M.; OLLIVIER, B.; POULAIN, J.; SCHOCH, Conrad L.; SIMON, A.; SPATAFORA, Joseph W.; STACHOWIAK, A.; TURGEON, B. Gillian; TYLER, Brett M.; VINCENT, D.; WEISSENBACH, J.; AMSELEM, J.; QUESNEVILLE, H.; OLIVER, Richard P.; WINCKER, P.; BALESDENT, Marie-Hélène; HOWLETT, Barbara J.

doi:10.1038/ncomms1189

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ROUXEL, T.
BIOlogie et GEstion des Risques en agriculture [BIOGER]

GRANDAUBERT, J.
BIOlogie et GEstion des Risques en agriculture [BIOGER]

HANE, Jk.

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Nature Communications. 2011, vol. 2, p. 202

Nature Publishing Group

Resumen en inglés

Fungi are of primary ecological, biotechnological and economic importance. Many fundamental biological processes that are shared by animals and fungi are studied in fungi due to their experimental tractability. Many fungi are pathogens or mutualists and are model systems to analyse effector genes and their mechanisms of diversification. In this study, we report the genome sequence of the phytopathogenic ascomycete Leptosphaeria maculans and characterize its repertoire of protein effectors. The L. maculans genome has an unusual bipartite structure with alternating distinct guanine and cytosine-equilibrated and adenine and thymine (AT)-rich blocks of homogenous nucleotide composition. The AT-rich blocks comprise one-third of the genome and contain effector genes and families of transposable elements, both of which are affected by repeat-induced point mutation, a fungal-specific genome defence mechanism. This genomic environment for effectors promotes rapid sequence diversification and underpins the evolutionary potential of the fungus to adapt rapidly to novel host-derived constraints.< Leer menos

Palabras clave

transcription factors

Palabras clave en inglés

molecular sequence data

fungi

DNA transposable elements