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Arrangement and association of somatic chromosomes induced by chloramphenicol in barley

โœ Scribed by Hisashi Yoshida; Hikoyuki Yamaguchi

Publisher
Springer
Year
1973
Tongue
English
Weight
827 KB
Volume
43
Category
Article
ISSN
0009-5915

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โœฆ Synopsis

Chromosome number in the cells of the first division cycle in the root tip of Hordeum vulgare (2n~ 14) was apparently reduced from 2n to n by the ehloramphenicol (CAP) treatments in early S, S late and/or early G 2 stages. Morphological observations and measurements of relative D:NA content per cell indicated that such reduction was due to tight alignment of chromosomes in pairs. --It was supposed that homologous chromosomes are close together in the interphase nucleus, and their successive association up to mitotic prometaphase was induced by the CAP treatment.

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