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Distribution of Dileptus anser (Ciliata, Holotricha, Gymnostomatida) of various genotypes for mat locus in the concentration gradient of their gamones

100%

Afon'kin S. Y. , Yudin A. L.

Acta Protozoologica

1987

tom 26

nr 2

Expression of CD152 (CTLA-4) in children with autoimmune thyroiditis and +49 A/G polymorphism of exon 1 of the CTLA-4 gene

80%

Kucharska A. M. , Gorska E. , Wasik M. , Pyrzak B. , Demkow U.

Journal of Physiology and Pharmacology. Supplement

2009

tom 60

nr 5

Karyotype structure and interphase chromatin organization in Rhoeo spathacea [Sw.] Stearn [Commelinaceae]

80%

Golczyk H. , Joachimiak A.

Acta Biologica Cracoviensia. Series Botanica

1999

tom 41

Karyotype of conventionally stained and C-banded mitotic chromosomes of Rhoeo spathacea was analyzed. Chromosomes of this diploid species (2n = 12) were classified according to their meiotic sequence described by earlier authors. The chromosome complex of Rhoeo is comparatively rich in heterochromatin (~ 18% of karyotype length), and the main differences between C-banded chromosomes concern the amount of pericentromeric heterochromatin and the presence of distally located segments. It is suggested that the karyotype of R. spathacea presented here fulfills the criteria of Bennett’s "natural karyotype." C-banding of somatic interphase nuclei and mitotic prophases revealed a highly polarized arrangement of chromosomes (Rabl orientation). The centromeres have a distinct tendency to form rings within nuclei, and to gather into 1-3 large collective chromocenters. The presumptive role of non-random distribution of chromosomes at interphase is discussed.

Development of ventral primordia in pervaside ciliary hypertrophy mutants [PCH] of the hypotrich ciliate Paraurostyla weissei

80%

Jerka-Dziadosz M. , Czupryn A.

Acta Protozoologica

1995

tom 34

nr 4

Familial study of ataxia telangiectasia. Heterozygote identification on the basis of sensitivity of gamma-irradiated cultures to caffein post-treatment

60%

Pawlak A. L. , Kotecki M. , Ignatowicz R.

Bulletin of the Polish Academy of Sciences. Biological Sciences

1994

tom 42

nr 3