Abstract
Cellular chromosomes are typically visible only during mitosis or meiosis. However, premature chromosome condensation (PCC) of the G1 nucleus has been observed naturally in the pollen mother cells of Triticum x Secale hybrids (Bleier 1930), in an Avena hybrid (Holden and Mota 1956), and in Haemanthus endosperm (Ostergren and Bajer 1961). Viruses that can induce cell fusion, such as myxoviruses, herpes viruses, and adenoviruses, have also been shown to induce chromosome pulverization (Nichols et al. 1967). Pulverized chromosomes result from the premature condensation of chromosomes during DNA replication. Similarly, G1, S, and G2 chromosomes can be condensed by fusing interphase cells with mitotic cells (Johnson and Rao 1970).
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© 1996 Springer-Verlag Berlin Heidelberg
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Tam, S.W., Schlegel, R. (1996). Quantification of Premature and Normal Mitosis. In: Pagano, M. (eds) Cell Cycle — Materials and Methods. Springer Lab Manual. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-57783-3_9
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DOI: https://doi.org/10.1007/978-3-642-57783-3_9
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