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Karyology of Bangia atropurpurea (Rhodophyta, Bangiales) from Mediterranean and Northeastern Atlantic populations.
Nominativo Autori | GARGIULO G.M., DE MASI F., TRIPODI G. |
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Anno | 1991 |
Titolo | Karyology of Bangia atropurpurea (Rhodophyta, Bangiales) from Mediterranean and Northeastern Atlantic populations. |
Rivista | J.PHYCOL. |
Edizione | PHYCOLOGICAL SOCIETY OF AMERICA, 1991. |
Serie Volume | 27(2):306-309 |
Parole chiave / Key words | BOTANICA |
Riassunto / Abstract | 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. |