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Registros recuperados: 10
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Activite des huiles essentielles de labiees sur Ascophaera apis et traitement d'un rucher Inra
Colin, M.E.; Ducos de Lahitte, J.; Larribau, E.; Boue, T..
Tipo: Journal Article Palavras-chave: ASCOPHAERA APIS; FUNGI; MYCOSE; APIS MELLIFICA; PATHOLOGIE; LUTTE; AROMATHERAPIE; HUILE ESSENTIELLE; LABIATAE; ORIGANUM VULGARE; SATUREIA MONTANA.
Ano: 1989 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB90024018013791&uri=/notices/prodinra1/2009/12/
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Bee paralysis, May-sickness, etc National Institute of Agronomic Research
Butler, C.G..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; HYMENOPTERA; APIS MELLIFERA; APIDAE; APOIDEA; SOCIAL INSECT; POLLINATOR; DISEASE; PARALYSIS; SYMPTOM; GENETICS; POLLEN; NECTAR; HONEYDEW; VIRUS; FUNGI; ARSENIC; POISONING; ABEILLE DOMESTIQUE; INSECTE SOCIAL; APIS MELLIFERA; APIDAE; APOIDEA; HYMENOPTERA; POLLINISATEUR; MALADIE; PARALYSIE; SYMPTOME; GENETIQUE; POLLEN; NECTAR; MIELLAT; VIRUS; CHAMPIGNON; ARSENIC; INTOXICATION.
Ano: 1943 URL: http://hdl.handle.net/2174/301
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Distribution of parasitic fungal species richness: influence of climate versus host species diversity Inra
Vacher, C.; Vile, D.; Helion, E.; Piou, D.; Desprez Loustau, M.L..
One major challenge in parasitology and epidemiology is determining whether the richness of parasitic and infectious diseases simply tracks host diversity or is largely determined by exogenous factors, such as climate-forced variables. We addressed this issue by analysing a 30-year survey of fungal diseases in French forests. We first combined generalized linear models and stepwise analyses to select the habitat descriptors that may account for variations in parasitic fungal species richness. Our results suggest that host species diversity is not a major determinant of parasite richness. Temperature seasonality, host abundance, and the composition of host species assemblages may play a greater role. Then we used structural equation modelling to investigate...
Tipo: Journal Article Palavras-chave: BIODIVERSITY; CLIMATE; DISEASE; FUNGI; HOST PARASITE RELATIONSHIPS; TREE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20084b625a9e&uri=/notices/prodinra1/2008/09/
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Genetic analysis of Saccharomyces cerevisiae strains isolated from Palm Wine in Eastern Nigeria. Comparison with other African strains. Inra
Ezeronye, O.U.; Legras, J.L..
Aims: To study the yeast diversity of Nigerian palm wines by comparison with other African strains. Methods and Results: Twenty-three Saccharomyces cerevisiae strains were obtained from palm wine samples collected at four locations in eastern Nigeria, and characterized using different molecular techniques: internal transcribed spacer restriction fragment length polymorphism and sequence analysis, pulsed field gel electrophoresis, inter delta typing and microsatellite multilocus analysis. These techniques revealed that palm wine yeasts represent a group of closely related strains that includes other West African isolates (CBS400, NCYC110, DVPG6044). Population analysis revealed an excess of homozygote strains and an allelic richness similar to...
Tipo: Journal Article Palavras-chave: FUNGI; MICROBIOLOGIE APPLIQUEE; POLYMORPHISME; ETUDE COMPARATIVE; VIN DE PALME; SACCHAROMYCES CEREVISIAE; GENETIQUE MICROSATELLITE; MOLECULAR POLYMORPHISM; PALM WINE; YEAST.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200941167abe&uri=/notices/prodinra1/2010/07/
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Impact of ectomycorrhizosphere on the functional diversity of soil bacterial and fungal communities from a forest stand in relation to nutrient mobilization processes Inra
Calvaruso, C.; Turpault, M.P.; Leclerc, E.; Frey-Klett, P..
The ectomycorrhizal symbiosis alters the physicochemical and biological conditions in the surrounding soil, thus creating a particular environment called ectomycorrhizosphere, which selects microbial communities suspected to play a role in gross production and nutrient cycling. To assess the ectomycorrhizosphere effect on the structure of microbial communities potentially involved in the mobilization of nutrients from the soil minerals in a poor-nutrient environment, we compared the functional diversity of soil and ectomycorrhizosphere bacterial communities in a forest stand. Two hundred and sixty-four bacterial strains and 107 fungal strains were isolated from the bulk soil of an oak (Quercus petraea) stand and from oak–Scleroderma citrinum...
Tipo: Journal Article Palavras-chave: FUNGI; COMMUNAUTE MICROBIENNE; MICROFLORE DU SOL; CHAMPIGNON; ECTOMYCORHIZE; PEUPLEMENT FORESTIER; ASSOCIATION INTERSPECIFIQUE; RELATION INTERSPECIFIQUE; HORIZON SOL; MINERAL MICROBIAL COMMUNITY; RHIZOSPHERE MICROFLORA; SOLUBILIZING BACTERIA; ROOT-GROWTH; PLANT; SIDEROPHORES; DISSOLUTION; PHOSPHATE .
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201013a36246&uri=/notices/prodinra1/2010/11/
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Ophiostomales (Ascomycètes) associées à Ips acuminatus Gyll (Coleoptera : Scolytidae) sur le pin sylvestre (Pinus sylvestris L.) dans le sud-est de la France et comparaison avec Ips sexdentatus Boern Inra
Lieutier, F.; Garcia, J.; Yart, A.; Vouland, G.; Pettinetti, M.; Morelet, M..
Les Ophiostomatales associées à lps acuminatus ont été isolées des insectes, de leurs galeries et de l’aubier des pins sylvestres attaqués, dans le Sud-Est de la France (département du Var), pendant l’épidémie de 1987 et 1988. Des isolements ont aussi été réalisés dans la même région en 1987 sur des populations endémiques d’Ips sexdentatus, et dans 2 autres régions (l’Orléanais (1988) et le Mont Ventoux (1989)) sur des populations endémiques d’I acuminatus. Les vitesses de croissance des champignons varois ont été comparées au laboratoire sur malt-agar. Leur agressivité a été appréciée par inoculations artificielles à des pins sylvestres, et mesurée par l’importance du développement de la réaction résinique induite et par l’importance de l’extension...
Tipo: Journal Article Palavras-chave: ASSOCIATION INSECTE CHAMPIGNON; FUNGI; OPHIOSTOMA; CERATOCYSTIOPSIS; IPS ACUMINATUS; IPS SEXDENTATUS; SCOLYTIDAE; COLEOPTERA; RESISTANCE AUX ORGANISMES NUISIBLES; XYLOPHAGE; INSECTE NUISIBLE.
Ano: 1991 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9800028355067863&uri=/notices/prodinra1/2009/06/
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Potassium and sodium transport in non-animal cells: the Trk/Ktr/HKT transporter family Inra
Corratge-faillie, C.; Jabnoune, M.; Zimmermann, S.; Véry, A.A.; Fizames, C.; Sentenac, H..
Bacterial Trk and Ktr, fungal Trk and plant HKT form a family of membrane transporters permeable to K+ and/or Na+ and characterized by a common structure probably derived from an ancestral K+ channel subunit. This transporter family, specific of non-animal cells, displays a large diversity in terms of ionic permeability, affinity and energetic coupling (H+–K+ or Na+–K+ symport, K+ or Na+ uniport), which might reflect a high need for adaptation in organisms living in fluctuating or dilute environments. Trk/Ktr/HKT transporters are involved in diverse functions, from K+ or Na+ uptake to membrane potential control, adaptation to osmotic or salt stress, or Na+ recirculation from shoots to roots in plants. Structural analyses of bacterial Ktr point to...
Tipo: Journal Article Palavras-chave: K+ TRANSPORTER; Na+ TRANSPORTER; H+–K+ SYMPORT; Na+–K+ SYMPORT; BACTERIA; FUNGI; PLANTS.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201097afdc54&uri=/notices/prodinra1/2010/12/
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Relationships between soil factors, Quercus robur health, Collybia fusipes root infection and Phytophthora presence Inra
Camy, C.; Delatour, C.; Marçais, B..
Le niveau d'infection induit par Collybia fusipes a 2t2 2valu2 sur environ 60 chênes pédonculés (Quercus robur) présentant différents états sanitaires, situés dans trois parcelles du nord-est de la France. Le piégeage des Phytophthora spp. présents dans le sol a été effectué sur un sous-échantillon de chênes à différentes saisons. La variabilité des facteurs du sol concernant la profondeur d'apparition des traces d'hydromorphie et la profondeur d'apparition d'un plancher de graviers limitant l'enracinement a été évaluée. Les facteurs du sol étaient fortement inter-dépendants. Les infections induites par C. fusipes diminuaient lorsque les traces d'hydromorphie apparaissaient plus profondément. Différentes espèces de Phytophthora ont été détectés dans deux...
Tipo: Journal Article Palavras-chave: QUERCUS ROBUR; COLLYBIA FUSIPES; PHYTOPHTHORA; FUNGI; HYDROMORPHIE; POURRIDIE; MALADIE DES PLANTES; DEPERISSEMENT; ENRACINEMENT; TENEUR EN EAU DU SOL.
Ano: 2003 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0300029057100020&uri=/notices/prodinra1/2009/12/
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Résistance du mélèze hybride inoculé par Lachnellula willkommii Inra
Sylvestre-Guinot, G.; Paques, L.E.; Delatour, C..
Tipo: Journal Article Palavras-chave: LACHNELLULA; FUNGI; LARIX X EUROLEPIS; LARIX X LEPTOEUROPAEA; CONIFERALE; INFECTION EXPERIMENTALE.
Ano: 1999 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0000028621080381&uri=/notices/prodinra1/2009/12/
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Ulteriori isolamenti di attinomiceti dall'apparato digerente di api sane e di api malate da forma di "Mal nero" National Institute of Agronomic Research
Amici, Alba maria; Vecchi, Maria Adelaide.
Following preceding papers on the isolation of some Actinomycetes strains in the digestive tract of bees affected with a particular type of "Black disease", the AA. have investigated their presence in healthy bees, as this kind of organisms had never been detected before in the digestive tract. Healthy and sick bees taken from two hives of a same apiary, one normal and the other affected with « Black disease » for 3 years and presenting a considerable and constant mortality, were examined. Actinomycetes were isolated from the healthy as well as from the sick bees. The AA. conc1ude that Actinomycetes are not responsible for « Black disease» for the following reasons: I) Actinomycetes are present in healthy and sick bees in practically the same percentage....
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; FUNGI; PATHOGEN; ACTINOMYCETE; CHRONIC PARALYSIS; DIGESTIVE TRACT; ABEILLE DOMESTIQUE; INSECTE SOCIAL; CHAMPIGNON PATHOGENE; ACTINOMYCETE; MALADIE NOIRE; PARALYSIE CHRONIQUE; APPAREIL DIGESTIF.
Ano: 1958 URL: http://hdl.handle.net/2174/467
Registros recuperados: 10
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