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Wyszukujesz frazę "Rybczynski, J." wg kryterium: Autor

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    Wyświetlanie 1-11 z 11
    Tytuł:
    Aktualny stan badań nad modyfikowaniem genomu traw
    Present status of studies concerning grass genome modification
    Autorzy:
    Rybczynski, J.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/804981.pdf
    Data publikacji:
    2001
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Źródło:
    Zeszyty Problemowe Postępów Nauk Rolniczych; 2001, 474
    0084-5477
    Pojawia się w:
    Zeszyty Problemowe Postępów Nauk Rolniczych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Plant regeneration from immature inflorescence-derived callus of Italian ryegrass [Lolium multiflorum Lam.]: chromosome number and fertility of regenerated plants
    Autorzy:
    Zwierzykowski, Z
    Rybczynski, J.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2044256.pdf
    Data publikacji:
    1998
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    chromosome structure
    plant regeneration
    female fertility
    callus culture
    chromosome number
    meiotic behaviour
    Italian rye-grass
    breeding method
    callus induction
    plant breeding
    Lolium multiflorum
    immature inflorescence
    Opis:
    Twenty field-grown genotypes of diploid Italian ryegrass (Lolium multiflorum Lam., 2n = 2x = 14) were tested for their ability to induce callus and regenerate plants. Callus cultures were initiated from segments of immature inflorescences cultured on the MS medium supplemented with 4.0 mg L⁻¹ 2,4-D. The calluses were subcultured first on the maintaining medium (MS medium with 2.0 mg L⁻¹ 2,4-D) and later on the rooting medium (MS medium with 0.2 mg L⁻¹ 2,4-D). The frequency of callus induction varied depending on the source of explant and the initial genotype. A total of 473 green plantlets were regenerated, of which 420 were established in the soil. All these plants had the morphological characteristics of Italian ryegrass. Among 372 regenerants analysed cytologically, 302 (81.2%) had the expected diploid chromosome number (2n = 2x= 14), 65 (17.5%) were tetraploid (2n = 4x = 28); several aneuploids and mixoploids were also observed. All diploid and tetraploid regenerants were male and female fertile. However, a great variation of female fertility within and between both groups of regenerants was observed.
    Źródło:
    Journal of Applied Genetics; 1998, 39, 3; 217-224
    1234-1983
    Pojawia się w:
    Journal of Applied Genetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gametophyte and sporophyte of tree ferns in vitro culture
    Autorzy:
    Goller, K
    Rybczynski, J.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/57657.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    greenhouse collection
    gene bank
    botany
    multiplication
    gametophyte
    spore
    in vitro
    tree fern
    sporophyte
    Opis:
    Experiments had been carried out on gametophytes and very young fronds of sporophytes with application of Murashige and Skoog (1962) medium. The paper described the results of 15 years in vitro experiments on 16 species of tree ferns belonging to various genera: Blechnum, Cibotium, Cyathea and Dicksonia. Genus Cyathea was represented by: C. australis (R.Br.) Domin., C. capensis (L.f.) Sm., C. cooperi (F.Muell.) Domin, C. brownii Domin, C. dealbata (G.Forest) Sw., C. dregei Kunze, C. leichhardtiana (F.Muell.) Copel., C. robertsiana (F.Muell.) Domin., C. schanschin Mart., C. smithii Hook.f. and Cyathea sp. In case of genus Dicksonia only two species were introduced into our experiments: D. fibrosa Colenso and D. sellowiana Hook.. Taxa Blechnum was presented by B. brasiliense Desv. and Cibotium by C. glaucum (Sm.) Hook. and Arn. and C. schiedei Schltdl. and Cham.. The studied species presented various responses on culture conditions depending on the level of stage of development. Time required for spores germination differed between species and took from only a few to 16 weeks. Prothalium formations showed various types of growth presented by marginal meristems. For all investigated species long term gametophyte in vitro cultures was established. Mature gametophyte possessed functional antheridia and archegonia. Spontaneous fertilization helped to establish the culture of young sporophytes. For all species the ex vitro culture in greenhouse collection was established. Manipulation of sucrose content in the medium stimulated the multiplication of gametophytes, but its lack induced formation of gemmae. Apospory was observed when culture of very young fronds was extended for 6 months and new generation of gametophytes was developed. Finally, sporophytes of 12 species were obtained and they have been growing in our greenhouse.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2007, 76, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Primary results of 2-dimensional electrophoresis for protein studies of Gentiana kurroo Royle somatic embryos derived from long-term embryogenic cell suspensions
    Autorzy:
    Niedziela, A.
    Rybczynski, J.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/56507.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    two dimensional gel electrophoresis
    protein
    Gentiana kurroo
    somatic embryo
    embryogenic cell
    cell suspension
    Opis:
    Two-dimensional gel electrophoresis was used to compare protein expression profiles between various stages of Gentiana kurroo Royle somatic embryos. Seven distinct stages (I–VII) were pointed out and measured from long-term embryogenic cell suspension. Isoelectric focusing was done in the pH intervals 3–10, and the second dimension was carried out with 13% SDS-polyacrylamide gel electrophoresis. Dependent on the stage from about 400 (stage IV) to more than 700 (stage II) protein spots were totally detected. The molecular weight of abundant proteins range from 12 to 70 kDa, however, majority of proteins were located between 20–49 kDa spots on the gels. The highest difference in the number of spots appeared in the case of globular embryo (stage I) and elongated cotyledonary stage (stage VII) with differences being about 130 spots. The relevance of embryogenic cell suspension choice for proteomic analysis as well as expediency of the increasing number of particular embryo stages is discussed.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2014, 83, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electroporation and morphogenic potential of Gentiana kurroo (Royle) embryogenic cell suspension protoplasts
    Autorzy:
    Wojcik, A.
    Rybczynski, J.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/80642.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    electroporation
    pulsed electric field
    kanamycin resistance
    benzylaminopurine
    gibberellic acid
    Gentiana kurroo
    embryogenic cell
    protoplast
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 1
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of L-glutamine on the genetic transformation of embryogenic cell suspensions of gentian species (Gentiana lutea L., Gentiana cruciata L., and Gentiana kurroo Royle) using Agrobacterium tumefaciens
    Autorzy:
    Rybczynski, J.J.
    Wojcik, A.I.
    Powiązania:
    https://bibliotekanauki.pl/articles/80392.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    embryogenic cell
    gentian
    Gentiana lutea
    Gentiana cruciata
    Gentiana kurroo
    Agrobacterium tumefaciens
    kanamycin resistance
    L-alanyl-L-glutamine
    genetic transformation
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2019, 100, 1
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A simple way to overcome the recalcitrance of the water fern Ceratopteris thalictroides (L.) Brongn. to cryopreservation
    Autorzy:
    Makowski, D.
    Rybczynski, J.J.
    Mikula, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/57732.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    abscisic acid
    water fern
    fern
    Ceratopteris thalictroides
    cryopreservation
    encapsulation-dehydration method
    darkness
    Opis:
    Ceratopteris thalictroides is a water fern very sensitive to both dehydration and low temperature. This study focuses on the cryopreservation of this species by encapsulation-dehydration technique, in particular on the effects of pre-culture step, alginate bead size and the physical conditions of culture on the cryopreservation efficiency. Encapsulated and non-pre-cultured gametophytes did not survive cooling with liquid nitrogen. When cryopreservation was preceded by a 2-week period of pre-culture, regrowth reached 42.1%. Reduction in the size of the alginate bead, and culture in total darkness resulted in improved gametophyte regrowth capacity (75.5% or 81.7%, respectively). The best results (91.3%) were obtained when all factors tested occurred simultaneously. The gametophytes recovered very quickly and sporophytes were formed within 4 weeks after rewarming. These simple improvements can be used, not only for the cryopreservation of gametophytes in cryptogams but also for some recalcitrant species of seed plants.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2015, 84, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of various sucrose concentrations, pH and hormone inhibitors on the efficiency of somatic embryogenesis in two fern species: Cyathea delgadii and Asplenium cuneifolium
    Autorzy:
    Grzyb, M.
    Tomiczak, K.
    Rybczynski, J.J.
    Mikula, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/951200.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    sucrose concentration
    pH
    hormone
    somatic embryogenesis
    fern species
    Cyathea delgadii
    Asplenium cuneifolium
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 1
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Asymbiotic germination, seedling development and plantlet propagation of Encyclia aff. oncidioides - an endangered orchid
    Autorzy:
    Znaniecka, J
    Krolicka, A.
    Sidwa-Gorycka, M.
    Rybczynski, J.J.
    Szlachetko, D.L.
    Lojkowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/56907.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Encyclia aff.oncidioides
    orchid
    endangered plant
    development
    seedling
    asymbiotic germination
    in vitro
    propagation
    germination
    seed
    Opis:
    In order to estimate the best germination conditions of Encyclia aff. oncidioides seeds, five different media (Fast, Knudson C modified by Vajrabhaya, Murashige and Skoog, PB2 and modified Vacin and Went) with different concentrations of plant growth regulators such as benzyladenine (BA), naphthaleneacetic acid (NAA) and gibberellic acid (GA3) were tested. No beneficial effect was observed when BA and NAA were applied to the germination medium and GA3 inhibited germination. The effect of light, activated charcoal, coconut water and casein hydrolysate on seed germination was also studied. The growth rate of seedlings on three different media supplemented with activated charcoal and plant growth regulators was checked. The applied plant growth regulators had no beneficial effect on the further growth of seedlings. Fast and PB2 media with 0.2% activated charcoal proved to be the best for E. aff. oncidioides seed germination, seedling development and plantlet propagation.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in cell physiology at the stage of dehydration in a cryopreservation protocol
    Autorzy:
    Domzalska, L.
    Kedracka-Krok, S.
    Mikula, A.
    Rybczynski, J.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/951293.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cryopreservation
    cell physiology
    dehydration
    Gentiana cruciata
    proteomic analysis
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 1
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Somatic embryogenesis of a tree fern Cyathea delgadii Sternb.: achievements and prospects
    Autorzy:
    Mikula, A.
    Grzyb, M.
    Pozoga, M.
    Tomiczak, K.
    Domzalska, L.
    Rybczynski, J.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/951310.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    somatic embryogenesis
    tree fern
    Cyathea delgadii
    electron microscope
    transmissiom electron microscope
    scanning electron microscope
    zygotic embryogenesis
    symplasmic communication
    fluorochrome
    confocal microscopy
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 1
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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