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Relationship between magnesium status and the growth and metastasis of experimental mouse tumours

100%

Nasulewicz A. , Wietrzyk J. , Wolf F. I. , Dzimira S. , Madej J. , Maier J. A. M. , Rayssiguier Y. , Mazur A. , Opolski A.

Journal of Elementology

2005

tom 10

nr 4 Suppl.1

73-74

Cytological changes in tissue culture of Allium sibiricum L.

80%

Golczyk H.

tom 36

Cytological studies have been performed on Allium sibiricum L. callus culture. Interesting cytological changes observed during callus growth included polyploidy, aneuploidy and structural aberrations of chromosomes (ring-chromosomes, deletions, formation of dicentric and tricentric chromosomes). The rate of these changes increased with the time of culture.

Nucleotide sequence of c-H-ras-1 gene from B6C3F1 mice

80%

Przybojewska B. , Plucienniczak G.

Acta Biochimica Polonica

1996

tom 43

nr 3

The c-H-ras-1 gene of an B6C3F1 mouse was isolated and nucleotide sequence determined. Our study has revealed that this c-H-ras-1 gene consists of four exons, separated by three introns ranging in size from 150 to 649 bp. The coding parts of the sequence of mouse c-H-ras-1 gene show no important differences as compared with those of the rat, hamster and human gene. More numerous changes were found in introns. The identity of mouse c-H-ras-1 gene with rat, hamster and human ones at the nucleotide level is 86.40%, 80.04% and 67.87%, respectively. Comparison of amino acids in protein sequence of c-H-ras gene of mouse, rat, hamster and human points to high degree of conservation of the gene.