Ribosomal DNA distribution in somatic chromosomes of Stangeria eriopus (Stangeriaceae, Cycadales) and molecular-cytotaxonomic relationships to some other cycad genera

Abstract

Somatic chromosomes ofStangeria eriopus (Stangeriaceae, Cycadales) were investigated by fluorescentin situ hybridization (FISH) using an 18S ribosomal DNA (rDNA) probe.Stangeria eriopus showed a chromosome number of 2n=16 with a karyotype of 12 median-, 2 subterminal-, and 2 terminal-centromeric chromosomes. FISH study ofS. eriopus revealed 16 signals made… (More)
DOI: 10.1663/0007-196X(2002)054[0001:RDDISC]2.0.CO;2

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