Abstract
ABSTRACT Five Phyllanthus species were characterized using a fluorochrome chromosome banding technique with CMA and DAPI. This genus displayed a range of somatic chromosomal counts, including 2n = 2x = 26 (diploid) in P. acidus, P. niruri, and P. reticulatus; 2n = 6x = 48 (hexaploid) in P. urinaria; and 2n = 10x = 100 (decaploid) in P. emblica (wild and cultivated varieties), which exhibited a multi-basic chromosome number. The centromeric and terminal regions of the chromosomes contained most of the CMA and DAPI bands, indicating that GC- and AT-rich repeats had accumulated in these locations. The diversity based on the heterochromatin distribution patterns made it possible to use the CMA and DAPI banding approaches to analyze and characterize these five Phyllanthus species.
Published Version
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