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    Tytuł:
    New records of Microbotryum species parasitizing Caryophyllaceae from Ukraine
    Autorzy:
    Savchenko, K.G.
    Heluta, V.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/67430.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    new record
    Microbotryum
    Dianthus
    Lychnis
    Caryophyllaceae
    Ukraine
    fungi
    smut fungi
    new species
    Opis:
    Four records of smut fungi belonging to the genus Microbotryum Lév. are reported. Two species were found on new hosts, namely M. dianthorum on Dianthus borbasii and D. pseudoserotinus and M. superbum on D. stenocalyx. Microbotryum lagerheimii on Lychnis viscaria is a new species for Ukraine.
    Źródło:
    Acta Mycologica; 2010, 45, 2
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Meiotic studies in some members of Caryophyllaceae Juss. from the Western Himalayas
    Autorzy:
    Jeelani, S.M.
    Rani, S.
    Kumar, S.
    Kumari, S.
    Gupta, R.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/19318.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Caryophyllaceae
    Himalayas
    meiotic process
    chromosome number
    meiosis
    Western Himalayas
    pollen grain size
    Arenaria kashmirica
    Silene conoidea
    Silene edgeworthii
    Silene moorcroftiana
    Silene nepalensis
    Stellaria media
    Stellaria monosperma
    Stellaria semivestita
    Lychnis coronaria
    Silene vulgaris
    India
    Gypsophilla ceratioides
    Opis:
    The paper reports meiotic studies on 50 populations comprising 12 species belonging to 5 genera of Caryophyllaceae from the Western Himalayas. The chromosome numbers in Arenaria kashmirica (n=20), Silene conoidea (n=20), S. edgeworthii (n=12 and n=24), S. moorcroftiana (n=24), S. nepalensis (n=12), Stellaria media (n=13), S. monosperma (n=13) and S. semivestita (n=13) are reported for the first time. The chromosome numbers in Lychnis coronaria (n=12) and Silene vulgaris (n=24) are given for the first time from India, along with Gypsophilla ceratioides (n=15) from the Western Himalayas. The course of meiosis varies from normal to abnormal in different populations of Silene conoidea, S. edgeworthii, S. vulgaris, Stellaria media, S. monosperma and S. semivestita. The course of meiosis was abnormal in all studied populations of Lychnis coronaria. Abnormal microsporogenesis (cytomixis, chromosomal stickiness, unoriented bivalents, formation of laggards and bridges) led to reduced pollen fertility and differences in pollen grain size.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2011, 53, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of environmental changes on physiology and development of polar vascular plant
    Autorzy:
    Gielwanowska, I.
    Pastorczyk, M.
    Kellmann-Sopyla, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/11964.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    environment change
    plant physiology
    plant development
    polar plant
    vascular plant
    Caryophyllaceae
    Poaceae
    morphology
    plant morphology
    ultrastructure
    organelle
    stress reaction
    seed development
    Arctic
    Antarctic
    Opis:
    Polar vascular plants native to the Arctic and the Antarctic geobotanical zone have been growing and reproducing effectively under difficult environmental conditions, colonizing frozen ground areas formerly covered by ice. Our macroscopic observations and microscopic studies conducted by means of a light microscope (LM) and transmission electron microscope (TEM) concerning the anatomical and ultrastructural observations of vegetative and generative tissue in Cerastium arcticum, Colobanthus quitensis, Silene involucrata, plants from Caryophyllaceae and Deschampsia antarctica, Poa annua and Poa arctica, from Poaceae family. In the studies, special attention was paid to plants coming from diversity habitats where stress factors operated with clearly different intensity. In all examinations plants, differences in anatomy were considerable. In Deschampsia antarctica the adaxial epidermis of hairgrass leaves from a humid microhabitat, bulliform cells differentiated. Mesophyll was composed of cells of irregular shapes and resembled aerenchyma. The ultrastructural observations of mesophyll in all plants showed tight adherence of chloroplasts, mitochondria and peroxisomes, surface deformations of these organelles and formation of characteristic outgrowths and pocket concavities filled with cytoplasm with vesicles and organelles by chloroplasts. In reproduction biology of examined Caryophyllaceae and Poaceae plants growing in natural conditions, in the Arctic and in the Antarctic, and in a greenhouse in Olsztyn showed that this plant develops two types of bisexual flowers. Almost all ovules developed and formed seeds with a completely differentiated embryo both under natural conditions in the Arctic and the Antarctic and in a greenhouse in Olsztyn.
    Źródło:
    Papers on Global Change; 2011, 18
    2300-8121
    1730-802X
    Pojawia się w:
    Papers on Global Change
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In vitro root cultures of Lychnis flos-cuculi L. as a potential source of triterpenoid saponins and ecdysteroids
    Autorzy:
    Malinski, M.
    Sienicka, J.
    Thiem, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/951260.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    conference
    Lychnis flos-cuculi
    perennial plant
    Caryophyllaceae
    in vitro culture
    root culture
    triterpenoid saponin
    ecdysteroid
    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:
    Embryological studies on Silene Muradica Schischk. (Caryophyllaceae) – A gynodioecious species from Turkey
    Autorzy:
    Kartal, C.
    Tekin, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2117684.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    Silene muradica
    Caryophyllaceae
    embryo sac
    gynodioecious
    Turkey.
    Opis:
    In this study, female gametophytes of Silene muradica, which is a gynodioecious species, were examined histologically. Buds and blossoms of S. muradica were used as the research material. They were collected in the Sivas province (Turkey) in July 2019, and fixed with ethanol:acetic acid solution (3:1, v/v). Flower parts were dissected under a stereo microscope. They were dehydrated in rising alcohol series and then embedded in Historesin. The sections were taken by a rotary microtome and stained with 0.5% Toluidine blue O. The ovary of S. muradica has three carpels and a single chamber, the ovules are arranged on a central column. The mature ovule is of the campylotropous type, crassinucellate and bitegmig. The megaspore mother cell undergoes regular meiotic division and forms a linear megaspore tetrad after meiosis. The development of the embryo sac is monosporic. The chalazal megaspore is functional and the others degenerate. The mature embryo sac is eight-nucleated and of the Polygonum type. The synergid cells and the egg cell are completely surrounded by the cell wall. Antipodal cells are temporary cells, which degenerate immediately after fertilization. Before fertilization, polar nuclei are fused in the central cell and form the secondary nucleus. The endosperm development is of the nuclear type. Nucellar tissue is permanent and forms perisperm in mature seeds. The embryo development is of the Caryophyllad type. In this study, the development of the female gametophyte of S. muradica, which was determined to be a gynodioecious species, was reported for the first time.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2021, 63, 1; 21-29
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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