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28 results on '"Assie S"'

8. Evaluation of a real-time RT-PCR-N assay for detection of Bovine Respiratory Syncytial Virus (BRSV) in clinical samples and its use to study the duration of nasal shedding of BRSV vaccine virus after intranasal vaccination

Author

Timsit, Edouard, Le Drean, Erwan, Maingourd, C, Belloc, Catherine, Guatteo, Raphaël, Bareille, Nathalie, Seegers, Henri, Douart, A, Sellal, E, Rieger, L, Assie, S, UMR1300 Bio-agression, Epidémiologie et Analyse de Risque, Institut National de la Recherche Agronomique (INRA)-ENVN, Inconnu, and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio]
Published
2009

12. Conséquences économiques des troubles respiratoires des bovins en engraissement

Author

Bareille, Nathalie, Timsit, Edouard, Assie, S, UMR1300 Bio-agression, Epidémiologie et Analyse de Risque, Institut National de la Recherche Agronomique (INRA)-ENVN, Inconnu, and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2008

13. La péricardiostomie chez les bovins

Author

Marhuenda, C, Holopherne, D, Cesbron, N, Assie, S, Douart, A, Guatteo, R, Inconnu, and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio]
Published
2008

15. Situation sanitaire des jeunes bovins mis en lots en Pays de la Loire

Author

Assie, S, Bareille, Nathalie, SEEGERS, HENRI, ProdInra, Migration, Inconnu, UMR1300 Bio-agression, Epidémiologie et Analyse de Risque, and Institut National de la Recherche Agronomique (INRA)-ENVN

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio]
Published
2006

24. Variation de l’incidence des troubles respiratoires associée à la vaccination contre le virus respiratoire syncytial bovin des veaux Charolais non sevrés nés en été-automne dans les systèmes naisseurs-engraisseurs des Pays de la Loire

Author

Assie, S, SEEGERS, HENRI, Beaudeau, François, ProdInra, Migration, Inconnu, UMR1300 Bio-agression, Epidémiologie et Analyse de Risque, and Institut National de la Recherche Agronomique (INRA)-ENVN

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio]
Published
2003

28. Disruption of Bcchs4, Bcchs6 or Bcchs7 chitin synthase genes in Botrytis cinerea and the essential role of class VI chitin synthase (Bcchs6).

Author

Morcx S, Kunz C, Choquer M, Assie S, Blondet E, Simond-Côte E, Gajek K, Chapeland-Leclerc F, Expert D, and Soulie MC

Subjects
Botrytis genetics, Botrytis pathogenicity, Cell Wall genetics, Chitin genetics, Plant Diseases, Virulence genetics, Botrytis enzymology, Chitin Synthase genetics, Fungal Proteins genetics, Hyphae enzymology, Hyphae growth & development
Abstract

Chitin synthases play critical roles in hyphal development and fungal pathogenicity. Previous studies on Botrytis cinerea, a model organism for necrotrophic pathogens, have shown that disruption of Bcchs1 and more particularly Bcchs3a genes have a drastic impact on virulence (Soulié et al., 2003, 2006). In this work, we investigate the role of other CHS including BcCHS4, BcCHS6 and BcCHS7 during the life cycle of B. cinerea. Single deletions of corresponding genes were carried out. Phenotypic analysis indicates that: (i) BcCHS4 enzyme is not essential for development and pathogenicity of the fungus; (ii) BcCHS7 is required for pathogenicity in a host dependant manner. For Bcchs6 gene disruption, we obtained only heterokaryotic strains. Indeed, sexual or asexual purification assays were unsuccessful. We concluded that class VI chitin synthase could be essential for B. cinerea and therefore BcCHS6 represents a valuable antifungal target., (Copyright © 2012 Elsevier Inc. All rights reserved.)

Published
2013
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