Search Results - "Haggman, H"

Ectomycorrhizal fungi and exogenous auxins influence root and mycorrhiza formation of Scots pine hypocotyl cuttings in vitro by Niemi, K, Vuorinen, T, Ernstsen, A, Häggman, H

“…We studied the ability of the ectomycorrhizal (ECM) fungi, Pisolithus tinctorius (Pers.) Coker and Couch and Paxillus involutus (Batsch) Fr. (Strain H), to…”
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Evaluation of genetic fidelity following long term cryopreservation of coniferous forest tree species of the family Pinaceae by Haggman, H, Sutela, S, Edesi, J, Krajnakova, J, Bertolini, A, Vianello, A, Ryynanen, L, Aronen, T

“…Forests cover more than 4 billion ha of the Earth's surface and their importance as a carbon sink is enormous. The world's inhabitants already officially…”
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Molecular aspects of bilberry (V. myrtillus) fruit ripening by Jaakola, L, Suokas, M, Haggman, H, Hohtola, A, Riihinen, K, Seymour, G.B

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Light sources with different spectra affect root and mycorrhiza formation in Scots pine in vitro by Niemi, K, Julkunen-Tiitto, R, Tegelberg, R, Haggman, H

“…We studied the effects of broad-spectrum light quality on the interaction between the ectomycorrhizal fungus Pisolithus tinctorius (Pers.) Coker and Couch and…”
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Silver birch (Betula pendula) plants with aux and rol genes show consistent changes in morphology, xylem structure and chemistry by Piispanen, R, Aronen, T, Chen, X, Saranpaa, P, Haggman, H

“…The effects of Agrobacterium pRiA4 rol and aux genes, controlled by their endogenous promoters, on tree growth and wood anatomy and chemistry were studied in…”
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Expression of senescence-associated genes in the leaves of silver birch (Betula pendula) by Sillanpaa, M, Kontunen-Soppela, S, Luomala, E.M, Sutinen, S, Kangasjarvi, J, Haggman, H, Vapaavuori, E

“…Development was monitored throughout the entire life span of silver birch (Betula pendula Roth.) leaves. The focus was on senescence-related changes in…”
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Genetic transformation of silver birch (Betula pendula) by particle bombardment by Valjakka, Maarit, Aronen, Tuija, Kangasjärvi, Jaakko, Vapaavuori, Elina, Häggman, Hely

“…We used in vitro callus and shoot cultures as target material for genetic transformation of silver birch (Betula pendula Roth) by particle bombardment…”
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Paxillus involutus Forms an Ectomycorrhizal Symbiosis and Enhances Survival of PtCOMT-modified Betula pendula in vitro by Tiimonen, H., Aronen, T., Laakso, T., Saranpää, P., Chiang, V., Häggman, H., Niemi, K.

“…The ability of the PtCOMT (caffeate/5-hydroxyferulate O-methyltransferase from Populus tremuloides L.) - modified Betula pendula Roth. lines to form symbiosis…”
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Effects of exogenous diamines on the interaction between ectomycorrhizal fungi and adventitious root formation in Scots pine in vitro by Niemi, K, Häggman, H, Sarjala, T

“…Production of free and conjugated polyamines by two ectomycorrhizal fungi, Pisolithus tinctorius (Pers.) Coker and Couch and Paxillus involutus (Batsch) Fr.,…”
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Scots pine aminopropyltransferases shed new light on evolution of the polyamine biosynthesis pathway in seed plants by Vuosku, Jaana, Karppinen, Katja, Muilu-Mäkelä, Riina, Kusano, Tomonobu, Sagor, G H M, Avia, Komlan, Alakärppä, Emmi, Kestilä, Johanna, Suokas, Marko, Nickolov, Kaloian, Hamberg, Leena, Savolainen, Outi, Häggman, Hely, Sarjala, Tytti

“…Polyamines are small metabolites present in all living cells and play fundamental roles in numerous physiological events in plants. The aminopropyltransferases…”
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DOES LIGHT QUALITY AFFECT THE FLAVONOID BIOSYNTHESIS IN BILBERRY (VACCINIUM MYRTILLUS)? by Zoratti, L., Sarala, M., Suokas, M., Häggman, H., Jaakola, L.

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Applicability of the co-inoculation technique using Agrobacterium tumefaciens shooty-tumour strain 82.139 in silver birch by ARONEN, Tuija S, HÄGGMAN, Juhani H, HÄGGMAN, Hely M

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Seasonal changes in the transient expression of a 35S CaMV-GUS gene construct introduced into Scots pine buds by Aronen, T. (Finnish Forest Research Institute, Punkaharju, Finland.), Hohtola, A, Laukkanen, H, Haggman, H

“…Seasonal changes in the transient expression of beta-glucuronidase gene (GUS) driven by a constitutive 35S CaMV-promoter in Scots pine (Pinus sylvestris L.)…”
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Coping with spring frost-effects on polyamine metabolism of Scots pine seedlings by Muilu-Mäkelä, R, Vuosku, J, Saarinen, M, Hamberg, L, Ruotsalainen, S, Häggman, H, Sarjala, T

“…Polyamines (PA) are ubiquitous polycations known to be involved in several phases of plant development as well as in tolerance to abiotic stresses. Phenols are…”
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Differentiation specific gene expression in regal (Lilium regale) callus by Pelkonen, V.P, Hohtola, A, Haggman, H, Laine, K

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Interaction with ectomycorrhizal fungi and endophytic Methylobacterium affects nutrient uptake and growth of pine seedlings in vitro by Pohjanen, Johanna, Koskimäki, Janne J, Sutela, Suvi, Ardanov, Pavlo, Suorsa, Marja, Niemi, Karoliina, Sarjala, Tytti, Häggman, Hely, Pirttilä, Anna Maria

“…Tissues of Scots pine (Pinus sylvestris L.) contain several endophytic microorganisms of which Methylobacterium extorquens DSM13060 is a dominant species…”
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Pollen competition and seed-siring success in Picea abies by ARONEN, T, NIKKANEN, T, HARJU, A, TIIMONEN, H, HÄGGMAN, H

“…The aim of the present work was to study pollen-tube competition in Picea abies. Controlled crossings were performed with pollen mixtures including pairs of…”
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Polyamine metabolism during exponential growth transition in Scots pine embryogenic cell culture by Vuosku, Jaana, Suorsa, Marja, Ruottinen, Maria, Sutela, Suvi, Muilu-Mäkelä, Riina, Julkunen-Tiitto, Riitta, Sarjala, Tytti, Neubauer, Peter, Häggman, Hely

“…Polyamine (PA) metabolism was studied in liquid cultures of Scots pine (Pinus sylvestris L.) embryogenic cells. The focus of the study was on the metabolic…”
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Tissue browning of in vitro cultures of Scots pine: Role of peroxidase and polyphenol oxidase by Laukkanen, Hanna, Häggman, Hely, Kontunen-Soppela, Sari, Hohtola, Anja

“…Callus cultures from shoot tips of mature Scots pine (Pinus sylvestris L.) were characterized by rapid browning and an inability to regenerate. The peroxidase…”
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Variation in pollen viability among Picea abies genotypes: potential for unequal paternal success by NIKKANEN, T, ARONEN, T, HÄGGMAN, H, VENÄLÄINEN, M

“…An in vitro germination method was used to study variation in pollen viability, that is pollen-tube growth rate together with germination percentage, among the…”
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