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Karyology of bangia atropurpurea rhodophyta bangiales from mediterranean and northeastern atlantic populations

Karyology of bangia atropurpurea rhodophyta bangiales from mediterranean and northeastern atlantic populations

Journal of Phycology 27(2): 306-309

ISSN/ISBN: 0022-3646

DOI: 10.1111/j.0022-3646.1991.00306.x

We studied the karyology of Bangia atropurpurea (Roth) C. Ag. collected from marine and freshwater populations from the Mediterranean region and some northeastern Atlantic localities. Gametophytic thalli had two haploid karyotypes, n = 3 and n = 4. The n = 4 karyotype was only occasionally present in the Mediterranean and was also found in one Atlantic population, confirming a previous report. We propose that the four-chromosome karyotype is an aneuploid form, n + 1. Chromosomes were frequently observed either in a parallel arrangement or in a circular configuration.

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Accession: 007498261

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