Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Maria Rozek"'
Publikováno v:
Micron. 40:881-885
We investigated the cytological mechanism of parthenogenesis by analyzing the chromosomes in five weevil species. All examined species are polyploids, four of which: Otiorhynchus ovatus, Simo variegates, Cathormiocerus aristatus, and Tropiphorus elev
Publikováno v:
Folia Biologica. 56:25-29
Karyotypes of three weevil species, viz. Brachysomus dispar (2n=22, n males = 10 + X(y(p))), Brachysomus hirtus (3n=33, n females = 10 + X) and Strophosoma faber (2n=22, n males = 10 + X(y(p))) belonging to the tribes Sciaphilini and Brachyderini, we
Publikováno v:
Genetica. 134:235-242
Parthenogenesis and, in particular, polyploidy are rare in animals. A number of cases, known among weevils, represent apomictic parthenogenesis--a reproductive mode in which eggs undergo one maturation division, the chromosomes divide equationally, a
Publikováno v:
Caryologia. 58:274-280
Karyotypes of eight species belonging to the genus Barypeithes were studied using standard Giemsa staining, AgNOR- and C-banding techniques.The species studied share almost the same chromosome number 2n=22 (10+Xyp) with exception of endemic Barypeith
Publikováno v:
Hereditas. 140:161-170
C-banding patterns of 32 beetle species from the families Elateridae, Cantharidae, Oedemeridae, Cerambycidae, Anthicidae, Chrysomelidae, Attelabidae and Curculionidae were studied using the C-banding technique. Mitotic and meiotic chromosomes were pr
Autor:
Maria Rozek
Publikováno v:
Caryologia. 51:189-194
SUMMARYC-banding pattern and Ag-NORs on chromosomes of Trechus latus, T. pilisensis, T. pulchellus, and T. quadristriatus are presented. T. pulchellus has a paracentromeric C-band similar in size on all chromosomes. T. latus has euchromatic the X chr
Autor:
Maria Rozek
Publikováno v:
CYTOLOGIA. 63:317-321
The C-banding pattern and Ag-NORs in the karyotpye of Bembidion lampros and Bembidion properans are presented. The results indicate that in chromosomes of the examined species the constitutive heterochromatin is located in the proximity of the centro
Publikováno v:
Folia biologica. 61(3-4)
The structure of the karyotypes of two Otiorhynchus species belonging to separate subgenera, viz. Otiorhynchus s.str. bisulcatus and O. (Zadrehus) atroapterus, is compared and described for the first time. Both species have the same chromosome number
Publikováno v:
Folia biologica. 60(3-4)
The karyotype structure of Protocalliphora falcozi is described for the first time. The diploid complement comprises 2n = 12, n(male) = 5+XY. Male mitotic plates include four pairs of long (metacentric) and one pair of medium-sized (submetacentric) a
Publikováno v:
Scopus-Elsevier
An analysis was made of C-banded karyotype of Acanthoscelides obtectus (Say) from Slovakia (Central Europe). The results indicate that the chromosome number is 2n=20 (the ancestral number for bruchid beetles). The males possess XY type of the sex-chr