Search Results - "PENNANEN, T"

Ectomycorrhizal community structure varies among Norway spruce (Picea abies) clones by Korkama, T, Pakkanen, A, Pennanen, T

“…• In northern boreal forests, the diversity of ectomycorrhizal (ECM) species is much greater than that of their host trees. This field study investigated the…”
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Ectomycorrhizal fungi increase the vitality of Norway spruce seedlings under the pressure of Heterobasidion root rot in vitro but may increase susceptibility to foliar necrotrophs by Velmala, S.M., Vuorinen, I., Uimari, A., Piri, T., Pennanen, T.

“…We tested if root colonisation by ectomycorrhizal fungi (EMF) could alter the susceptibility of Norway spruce (Picea abies) seedlings to root rot infection or…”
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Genetic host-tree effects on the ectomycorrhizal community and root characteristics of Norway spruce by Velmala, S. M, Rajala, T, Haapanen, M, Taylor, A. F. S, Pennanen, T

“…A greenhouse experiment was used to study the effects of host genotype on short root formation and ectomycorrhizal (ECM) fungal community structure in Norway…”
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Interactions between Extraradical Ectomycorrhizal mycelia, Microbes Associated with the Mycelia and Growth Rate of Norway spruce (Picea abies) Clones by T. Korkama, H. Fritze, A. Pakkanen, Pennanen, T.

“…• Despite their ecological relevance, field studies of the extraradical mycelia of ectomycorrhizal (ECM) fungi are rare. Here we examined in situ interactions…”
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Phospholipid fatty acid composition and heavy metal tolerance of soil microbial communities along two heavy metal-polluted gradients in coniferous forests by Pennanen, T. (Finnish Forest Research Institute, Vantaa, Finland.), Frostegard, A, Fritze, H, Baath, E

“…The effects of long-term heavy metal deposition on microbial community structure and the level of bacterial community tolerance were studied along two…”
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Distribution of microbial biomass and phospholipid fatty acids in Podzol profiles under coniferous forest by Fritze, H., Pietikäinen, J., Pennanen, T.

“…Summary Microbial‐derived phospholipid fatty acids (PLFAs) can be used to characterize the microbial communities in soil without the need to isolate individual…”
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Infection with foliar pathogenic fungi does not alter the receptivity of Norway spruce seedlings to ectomycorrhizal fungi by Velmala, S. M, Rajala, T, Smolander, A, Petäistö, R.-L, Lilja, A, Pennanen, T

“…AIMS: We studied whether the induction of defence against foliar pathogens affects the interaction of Norway spruce (Picea abies) with ectomycorrhizal fungi…”
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Structure of the Microbial Communities in Coniferous Forest Soils in Relation to Site Fertility and Stand Development Stage by Pennanen, T., Liski, J., Bååth, E., Kitunen, V., Uotila, J., C. J. Westman, H. Fritze

“…The structure, biomass, and activity of the microbial community in the humus layer of boreal coniferous forest stands of different fertility were studied. The…”
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UNITE: a database providing web-based methods for the molecular identification of ectomycorrhizal fungi by Koljalg, U, Larsson, K.H, Abarenkov, K, Nilsson, R.H, Alexander, I.J, Eberhardt, U, Erland, S, Hoiland, K, Kjoller, R, Larsson, E

“…• Identification of ectomycorrhizal (ECM) fungi is often achieved through comparisons of ribosomal DNA internal transcribed spacer (ITS) sequences with…”
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Community-level responses of metabolically-active soil microorganisms to the quantity and quality of substrate inputs by Pennanen, T., Caul, S., Daniell, T.J., Griffiths, B.S., Ritz, K., Wheatley, R.E.

“…The community fingerprints of both the prevalent and the metabolically active microbial community were related to a quantitative estimation of microbial…”
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Structure of a microbial community in soil after prolonged addition of low levels of simulated acid rain by Pennanen, T. (Finnish Forest Research Institute, Vantaa, Helsinki.), Fritze, H, Vanhala, P, Kiikkila, O, Neuvonen, S, Baath, E

“…Humus samples were collected 12 growing seasons after the start of a simulated acid rain experiment situated in the subarctic environment. The acid rain was…”
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Gene expression changes during the development of estrogen-independent and antiestrogen-resistant growth in breast cancer cell culture models by Pennanen, Pasi T, Sarvilinna, Nanna S, Ylikomi, Timo J

“…We have established estrogen-independent and antiestrogen-resistant cell lines from hormone-dependent MCF-7 breast cancer cells by long-term culture in the…”
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In Situ Bioremediation through Mulching of Soil Polluted by a Copper–Nickel Smelter by Kiikkilä, Oili, Perkiömäki, Jonna, Barnette, Matthew, Derome, John, Pennanen, Taina, Tulisalo, Esa, Fritze, Hannu

“…ABSTRACT Bioremediation of a heavy metal–polluted soil was investigated in a 3‐yr field experiment by adding mulch to a polluted forest floor. The mulch…”
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Obstacle Avoidance with Kinetic Energy Buffer by Pitkanen, V., Pennanen, T., Tikanmaki, A., Roning, J.

“…This paper presents Kinetic Energy Difference (KED) as a metric for collision proximity. The calculation of KED for differentially driven robots is explained,…”
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Graphical convergence of sums of monotone mappings by Pennanen, T., Rockafellar, R. T., Théra, M.

“…This paper gives sufficient conditions for graphical convergence of sums of maximal monotone mappings. The main result concerns finite-dimensional spaces and…”
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Microbial and Plant Community Structure Across a Primary Succession Gradient by Pennanen, Taina, Strömmer, Rauni, Markkola, Annamari, Fritze, Hannu

“…The formation of the organic layer within Scandinavian forest soil started about 10000 yr ago, following the retreat of the continental ice sheet. Since then…”
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Inhibition of FOSL1 overexpression in antiestrogen-resistant MCF-7 cells decreases cell growth and increases vacuolization and cell death by Pennanen, Pasi T., Sarvilinna, Nanna S., Toimela, Tarja, Ylikomi, Timo J.

“…► Role of FOSL1 overexpression in growth of antiestrogen-resistant breast cancer cells. ► Inhibition of FOSL1 overexpression decreased cell growth. ►…”
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The UNITE database for molecular identification of fungi – recent updates and future perspectives by Abarenkov, Kessy, Nilsson, R. Henrik, Larsson, Karl-Henrik, Alexander, Ian J., Eberhardt, Ursula, Erland, Susanne, Høiland, Klaus, Kjøller, Rasmus, Larsson, Ellen, Pennanen, Taina, Sen, Robin, Taylor, Andy F. S., Tedersoo, Leho, Ursing, Björn M., Vrålstad, Trude, Liimatainen, Kare, Peintner, Ursula, Kõljalg, Urmas

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Local Convergence of the Proximal Point Algorithm and Multiplier Methods Without Monotonicity by Pennanen, Teemu

“…This paper studies the convergence of the classical proximal point algorithm without assuming monotonicity of the underlying mapping. Practical conditions are…”
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Epi-Convergent Discretizations of Multistage Stochastic Programs by Pennanen, Teemu

“…In many dynamic stochastic optimization problems in practice, the uncertain factors are best modeled as random variables with an infinite support. This results…”
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