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  1. Divergent genes for translation initiation factor elF-4A coordinately expressed in tobacco

    by Owttrim, G.W.; Hofmann, S.; Kuhlemeier, C.

    Three cDNA clones coding for eukaryotic translation initiation factor 4A, elF-4A, were isolated from a Nicotiana plumbaginifolia...

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  2. Diversity among taxodiaceous conifers: Metasequoia foxii sp. nov. from the Paleocene of central Alberta, Canada.

    by Stockey, R.A.; Rothwell, G.W.; Falder, A.B.

    A single species of taxodioid conifers is among the dominant floristic elements at two stratigraphically contemporaneous...

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  3. Diversity and acyl-homoserine lactone production among subtidal biofilm-forming bacteria

    by Huang, Yi-Li; Ki, Jang-Seu; Case, Rebecca J.; Qian, Pei-Yuan

    Bacteria isolated from subtidal biofilms were identified via 16S rRNA gene sequencing and screened for acyl-homoserine lactone...

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  4. DNA polymerase proofreading: Active site switching catalyzed by the bacteriophage T4 DNA polymerase

    by da Silva, E.F.; Reha-Krantz, L.J.

    DNA polymerases achieve high-fidelity DNA replication in part by checking the accuracy of each nucleotide that is incorporated...

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  6. Do rice hybrids have heterosis for insect resistance? A study with Nilaparvata lugens (Hemiptera: Delphacidae) and Marasmia patnalis (Lepidoptera: Pyralidae)

    by Cohen, M. B.; Bernal, C. C.; Virmani, S. S.

    Abstract: Antibiosis-based resistance to two insect pests of rice, Nilaparvata lugens (Stal) (Hemiptera: Delphacidae) and...

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  7. Drosophila ATM and ATR have distinct activities in the regulation of meiotic DNA damage and repair

    by Joyce, E.F.; Pedersen, M.; Tiong, S.; White-Brown, S.K.; Paul, A.; Campbell, S.D.; McKim, K.S.

    Ataxia telangiectasia–mutated (ATM) and ataxia telangiectasia–related (ATR) kinases are conserved regulators of cellular...

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  8. DrugBank: A comprehensive resource for in silico drug discovery and explorat

    by Wishart, D.S.; Knox, C.; Guo, A.; Shrivastava, S.; Hassanali, M.; Stothard, P.; Woolsey, J.

    DrugBank is a unique bioinformatics/cheminformatics resource that combines detailed drug (i.e. chemical) data with comprehensive...

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  9. Duabanga-like leaves from the Middle Eocene Princeton chert and comparative leaf histology of Lythraceae sensu lato

    by Little, S.A.; Stockey, R.A.; Keating, R.C.

    A permineralized lythraceous leaf type found in close association with fruits, stems, and roots of Decodon allenbyensis Cevallos- Ferriz...

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  10. Ecological applications of pheromone trapping of Malacosoma disstria and Choristoneura conflictana

    by Jones, B. C.; Evenden, M. L.

    Abstract: The forest tent caterpillar, Malacosoma disstria Hubner (Lepidoptera: Lasiocampidae), and large aspen tortrix,...

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  11. Ecological chaos in the wake of invasion.

    by Sherratt, J. A.; Lewis, M.A.; Fowler, A. C.

    Irregularities in observed population densities have traditionally been attributed to discretization of the underlying dynamics....

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  12. Ecological characteristics of streams in the Barrenlands near Lac de Gras, NWT

    by Jones, N.E.; Tonn, W.M.; Scrimgeour, G.J.; Katopodis, C.

    We examined spatiotemporal variation in the physical, chemical, and biological characteristics of pristine streams that represent...

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  13. Ectomycorrhizal fungi at tree line in the Canadian Rockies

    by Kernaghan, G.; Currah, R. S.

    Abstract: Sporocarps of fungi belonging to ectomycorrhizal genera were collected between 1993 and 1997 at two sites at the...

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  15. Effect of age of the intermediate host Tribolium confusum (Coleoptera) on infection by Hymenolepis diminuta (Cestoda).

    by Shostak, A. W.

    A cross-sectional study of 27 cohorts of Tribolium confusum aged 2–78 wk was done to examine effects of host age on exposure...

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  17. The effect of dispersal patterns on stream populations

    by Lutscher, F.; Pachepsky, E.; Lewis, M.A.

    Individuals in streams are constantly subject to predominantly unidirectional flow. The question of how these populations...

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  18. The Effect of Dispersal Patterns on Stream Populations

    by Lutscher, F.; Pachepsky, E.; Lewis, M.A.

    Individuals in streams are constantly subject to predominantly unidirectional flow. The question of how these populations...

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  19. Effect of horticultural oil on oviposition behaviour and egg survival in the obliquebanded leafroller (Lepidoptera: Tortricidae)

    by Wins-Purdy, A. H.; Whitehouse, C.; Judd, G. J. R.; Evenden, M. L.

    Abstract: The effects of the horticultural oil Purespray Green on oviposition behaviour and egg development in the obliquebanded...

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  20. Effect of Light and Ontogenetic Stage on Sink Strength in Bean Leaves

    by Swanson, C. A.; Hoddinott, J.

    Light (about 3,000 foot-candles) neither increased nor decreased the sink strength of young, rapidly expanding leaves of...

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