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Guilhem Faure Patrick Revy Michael Schertzer Arturo Londono‐Vallejo Isabelle Callebaut 《Proteins》2014,82(6):897-903
Several studies have recently shown that germline mutations in RTEL1, an essential DNA helicase involved in telomere regulation and DNA repair, cause Hoyeraal‐Hreidarsson syndrome (HHS), a severe form of dyskeratosis congenita. Using original new softwares, facilitating the delineation of the different domains of the protein and the identification of remote relationships for orphan domains, we outline here that the C‐terminal extension of RTEL1, downstream of its catalytic domain and including several HHS‐associated mutations, contains a yet unidentified tandem of harmonin‐N‐like domains, which may serve as a hub for partner interaction. This finding highlights the potential critical role of this region for the function of RTEL1 and gives insights into the impact that the identified mutations would have on the structure and function of these domains. Proteins 2014; 82:897–903. © 2013 Wiley Periodicals, Inc. 相似文献
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Matti O. Ruuskanen Guilhem Sommeria-Klein Aki S. Havulinna Teemu J. Niiranen Leo Lahti 《Environmental microbiology》2021,23(5):2374-2388
Microbial communities exhibit spatial structure at different scales, due to constant interactions with their environment and dispersal limitation. While this spatial structure is often considered in studies focusing on free-living environmental communities, it has received less attention in the context of host-associated microbial communities or microbiota. The wider adoption of methods accounting for spatial variation in these communities will help to address open questions in basic microbial ecology as well as realize the full potential of microbiome-aided medicine. Here, we first overview known factors affecting the composition of microbiota across diverse host types and at different scales, with a focus on the human gut as one of the most actively studied microbiota. We outline a number of topical open questions in the field related to spatial variation and patterns. We then review the existing methodology for the spatial modelling of microbiota. We suggest that methodology from related fields, such as systems biology and macro-organismal ecology, could be adapted to obtain more accurate models of spatial structure. We further posit that methodological developments in the spatial modelling and analysis of microbiota could in turn broadly benefit theoretical and applied ecology and contribute to the development of novel industrial and clinical applications. 相似文献
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Irene Anastasia Nicolò Ilacqua Andrea Raimondi Philippe Lemieux Rana Ghandehari-Alavijeh Guilhem Faure Sergei L. Mekhedov Kevin J. Williams Federico Caicci Giorgio Valle Marta Giacomello Ariel D. Quiroga Richard Lehner Michael J. Miksis Katalin Toth Thomas Q. de Aguiar Vallim Eugene V. Koonin Luca Scorrano Luca Pellegrini 《Cell reports》2021,34(11):108873
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Benoit Sauphanor Guilhem Severac Sandrine Maugin Jean François Toubon Yvan Capowiez 《Entomologia Experimentalis et Applicata》2012,145(2):134-142
Insecticide‐based management programmes targeting codling moth, Cydia pomonella L. (Lepidoptera: Tortricidae: Olethreutinae), in apple orchards in southern France have incurred increasing levels of fruit injury in recent years. An alternative programme incorporating the use of exclusion netting named Alt'carpo has been developed. This study aimed at studying its efficiency and gaining more insight into its mode of action. This was achieved through laboratory and field behavioural tests and observations in a network of commercial orchards in southern France. The moths were able to lay eggs through the nets and escape from net cages in the laboratory. Male moths released in the netted rows were poorly recaptured using sexual pheromone trapping, whereas over 20% of the released males were recaptured in unprotected rows. The netting reduced fruit injury by up to 91% compared to the unprotected rows in the experimental orchard. The efficacy of this netting was even higher in commercial orchards in which fruit injury did not exceed 0.1% without any application of specific insecticide. These results lead us to assume that netting alters the reproduction of the pest, mainly by preventing it from flying over the canopy to find mates. 相似文献