The cell cycle dependent phosphorylation of histone H3 is correlated with the condensation of plant mitotic chromosomes

被引:96
作者
Houben, A [1 ]
Wako, T
Furushima-Shimogawara, R
Presting, G
Künzel, G
Schubert, I
Fukui, K
机构
[1] Univ Adelaide, Dept Genet, Adelaide, SA 5005, Australia
[2] Hokuriku Natl Agr Expt Stn, Joetsu 9430193, Japan
[3] Sci Univ Tokyo, Shinjuku Ku, Tokyo 1628601, Japan
[4] Inst Plant Genet & Crop Plant Res, D-06466 Gatersleben, Germany
[5] Osaka Univ, Grad Sch, Fac Engn, Dept Biotechnol, Osaka 5650871, Japan
关键词
D O I
10.1046/j.1365-313x.1999.00496.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Mitotically dividing cells of Secale cereale, Hordeum vulgare and Vicia faba were studied ny indirect immunofluorescence using an antibody recognizing phosphorylated histone H3. The study revealed the following features: (i) the H3 phosphorylation starts at prophase and ends at telophase in the pericentromeric chromatin, is associated with the condensation of mitotic chromosomes and is independent of the distribution Of late replicating heterochromatin. (ii) Compared with other chromosome regions, the pericentromeric chromatin is histone H3 hyperphosphorylated. (iii) The study of a semi-dicentric chromosome revealed that only at intact centromeres is the chromatin hyperphosphorylated at H3.
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收藏
页码:675 / 679
页数:5
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