Chromosomal Characterization in <i>Plumbago zeylanica</i> and <i>P. indica</i> from Bangladesh

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Abstract

<p>Two species of Plumbago from Bangladesh viz. P. zeylanica L. and P. indica L. were studied cytogenetically for authentic characterization. P. zeylanica and P. indica possessed 2n=28 and 2n=14 somatic chromosomes, respectively. These species differed in respect of total length of chromosomes in the complement, range of chromosome length and number of satellites. The two species showed distinct chromomycin A3 (CMA)- and 4′,6-diamidino-2-phenylindole (DAPI)-banding patterns. P. zeylanica and P. indica showed 11 and four CMA-bands, and six and two DAPI-bands, respectively. Several entirely fluoresced chromosomes were observed in both species after CMA- and DAPI-bandings. The difference in number, location and amount of CMA- and DAPI-bands suggested chromosomal diversification between the two species.</p>

Journal

  • CYTOLOGIA

    CYTOLOGIA 84 (2), 153-155, 2019-06-25

    Japan Mendel Society, International Society of Cytology

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