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    Tytuł:
    Prevalence of Campylobacter jejuni and Campylobacter coli species in cats and dogs from Bydgoszcz (Poland) region
    Autorzy:
    Andrzejewska, M.
    Szczepanska, B.
    Klawe, J.J.
    Spica, D.
    Chudzinska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/30916.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The aim of this study was to investigate the role of cats and dogs as a potential reservoir of Campylobacter spp. Rectal swabs from 83 dogs and 71 cats were examined. Samples were obtained from the animals aged between 2 weeks and 24 months living in shelters, private households, farms and from veterinary clinics located in Bydgoszcz region during routine check-up. Campylobacter spp. were isolated from 4.81% dogs and 9.86% cats, respectively. C. jejuni was predominant in this study. All strains were isolated in autumn and winter from the animals living in farms and private houses. All the animals positive for Campylobacter prevalence had access to small water basins, accidental source of food and had contact with wild birds, poultry or their feaces. Isolates characterization revealed high prevalence of Campylobacter virulence genes-flaA, cadF and cdtB. 91% of isolated strains were susceptible to erythromycin. 81% among isolated strains were susceptible to azithromycin, 64% to tetracycline and 36% to ciprofloxacin. For 2 C. jejuni strains isolated from cats Random Amplified Polymorphic DNA (RAPD) profiling indicated 80% homology between them.
    Źródło:
    Polish Journal of Veterinary Sciences; 2013, 16, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Struktura klonalna wiązu polnego (Ulmus minor Mill.) w Polsce
    Clonal structure of field elm (Ulmus minor Mill.) in Poland
    Autorzy:
    Chudzińska, M.
    Litkowiec, M.
    Pałucka, M.
    Pasławska, A.
    Lewandowski, A.
    Kozioł, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/979539.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    dendrologia
    drzewa lesne
    wiaz polny
    Ulmus minor
    zmiennosc genetyczna
    markery genetyczne
    markery mikrosatelitarne
    clonality
    field elm
    genetic conservation
    genetic variation
    microsatellite markers
    Opis:
    Field elm (Ulmus minor Mill.) is distributed mainly across central and southern Europe. In Poland this species occurs in the lowlands and foothills, where it grows mainly in the floodplain forests along the rivers. U. minor exists in a variety of climatic and ecological conditions. It is capable to tolerate floods as well as drought. Currently, most populations of U. minor are small and fragmented resulting from human activity and Dutch elm disease. Moreover, in the natural field elm populations, vegetative propagation by root suckers or sprouting can be observed. All these factors may affect the level of genetic variation of U. minor populations in Poland. In the present study, we determined the level of genetic variation and the clonal diversity of twelve natural U. minor populations in Poland (407 individuals) using eight nuclear microsatellite loci. The obtained results indicate that the studied field elm populations are characterized by low level of genetic variation (He=0.382; Ho=0.555; A=7.0). Additionally, the high level of clonality in field elm populations was estimated. The clonality level of examined elm populations varied among them, and in some cases was very high. Out of the 407 individuals analysed for clonal structure only 61 multilocus genotypes were identified. Furthermore, only one genotype was identified in the three study populations of field elm, which means that in each of these populations all trees belong to one genet. The values of genotypic richness (R) were heterogeneous among populations, with mean 0.148. The knowledge on the genetic diversity and the clonal structure of U. minor populations is essential to make future decisions regarding conservation of genetic resources of this species in Poland.
    Źródło:
    Sylwan; 2019, 163, 10; 839-845
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wyniki wstępnych badań nad zmiennością genetyczną oraz zróżnicowaniem genetycznym między populacjami wiązu górskiego (Ulmus glabra Huds.) w Polsce
    Results of preliminary research on genetic variation and genetic differentiation between Wych elm populations (Ulmus glabra Huds.) in Poland
    Autorzy:
    Chudzińska, M.
    Pałucka, M.
    Pasławska, A.
    Litkowiec, M.
    Lewandowski, A.
    Kozioł, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/985889.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    wiaz gorski
    Ulmus glabra
    zmiennosc genetyczna
    markery mikrosatelitarne
    populacje roslin
    zroznicowanie genetyczne
    Polska
    zasoby genetyczne
    wych elm
    genetic variation
    microsatellite markers
    genetic resources
    ex situ conservation
    Opis:
    Wych elm (Ulmus glabra Huds.) is a rare scattered forest tree species in Poland. First studies on genetic diversity of the species in its natural range in Poland give a good basis for the management and conservation of its genetic resources. In the present study, we determined the level of genetic variation and genetic differentiation of seventeen natural Wych elm populations in Poland using nine nuclear microsatellite loci. The number of analyzed individuals was 601. The level of genetic diversity of Polish populations of Wych elm corresponded with the results of the previous studies on this species in Europe. The populations show quite low level of genetic diversity of the species on the population level and quite high diversity on the interpopulation level. A total of 119 alleles was found, with average number per locus (A) equal 6.0 and allelic richness at medium high level (AR10=4.7). Observed (Ho) and expected (He) heterozygosity reached 0.583 and 0.602 respectively. The genetic differentiation between Polish populations of Wych elm occurred at a low level (Fst=0.089). Inbreeding depression may occur in the next generations (Fis=0.031). Genetic diversity between Wych elm populations in Poland may be the result of unfavorable random processes related to the reduction of population size resulting from elm disease. To better understand the processes related to the genetic diversity of Wych elm populations, research on field elm variation should be undertaken. Such studies may give an answer to the potential influence of introgression between these species on the genetic structure of the Wych elm. Both in situ as well as ex situ conservation measures are highly recommended to preserve genetic resources of this valuable noble hardwood species in Polish landscape.
    Źródło:
    Sylwan; 2018, 162, 09; 727-736
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sizing optimisation of steel truss based on algorithms
    Optymalizacja wielkościowa kratownicy stalowej według algorytmów
    Autorzy:
    Kurcjusz, M.
    Sokól, T.
    Chudzińska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/28765671.pdf
    Data publikacji:
    2023
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Źródło:
    Acta Scientiarum Polonorum. Architectura; 2023, 22; 11-19
    1644-0633
    Pojawia się w:
    Acta Scientiarum Polonorum. Architectura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Needle anatomy suggests hybridization between the relict turfosa form of Pinus sylvestris L. from the Gazwa peat bog and typical Scots pine
    Autorzy:
    Urbaniak, L
    Przybyla, M.
    Pisarek, W.
    Chudzinska, E.
    Zielinski, R.
    Polok, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/56536.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    needle anatomy
    Pinus sylvestris f.turfosa
    threatened ecotype
    climate change
    hybridization
    Scotch pine
    Gazwa peat bog
    quantitative trait
    Opis:
    The aim of this study was to characterize the turfosa form of Pinus sylvestris from the Gazwa peat bog reserve in terms of 16 anatomical needle traits and to determine whether pines with a typical morphotype inhabiting the peat bog have been so successful thanks to hybridization with the unique tufosa ecotype. Investigations were conducted on three phenotypic groups of Scots pine growing in the peat bog. The first two groups consisted of 30 tufosa trees at the age of 117-217 years and 20 trees at the age of 30-85 years. The third group consisted of typical pines represented by 10 trees at the age of 20-55 years. In total 30 trees of typical pine, surrounding the peat bog, at the age of 100-150 years served as outgroup. Descriptive statistics, analysis of variance with the F test, Tukey's test, and a number of multivariate analyses were used to estimate differences between the studied groups of trees based on 16 anatomical needle characteristics. The old turfosa form from the Gazwa reserve proved to be a unique and relict peat bog pine, as it was shown by the differences in 10 analyzed needle traits in comparison to pine with a typical morphotype growing in the areas surrounding the peat bog. The young typical pines have adapted to conditions found in the peat bog owing to hybridization with the turfosa forms. The young turfosa trees differed from the old turfosa trees and also they have probably been of a hybrid origin. The old turfosa form from the Gazwa reserve is a threatened ecotype due to its hybridization with pines from the population surrounding the peat bog.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2009, 78, 1; 29-36
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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