RAPD profiles distinguish <Emphasis Type="Italic">Paracentrotus lividus</Emphasis> populations living in a stressing environment (Amvrakikos Gulf,Greece) |
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Authors: | C Rizzo M Cammarata M Di Carlo A Pancucci N Parrinello |
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Institution: | (1) Department of Animal Biology, University of Palermo, Palermo, 90123, Italy;(2) Molecular Immunology and Biomedicine Institute (IBIM) “Alberto Monroy”, Palermo, 90146, Italy;(3) Hellenic Centre for Marine Research Institute of Oceanography, Anavyssos Attikis, 19013, Greece |
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Abstract: | Random amplified polymorphic DNA (RAPD) analysis was performed to assess genetic markers of Paracentrotus lividus populations living in stressing environment in the Amvrakikos Gulf (Western Greece, Ionian Sea) where two populations distinguishable
in body size, smaller than the open sea ones, were detected. The UPGMA dendrogram, constructed from pairwise Φst values among population nuclear DNA markers, revealed that the small and medium-sized populations living inside the Amvrakikos
presented a lower polymorphism, and form a cluster that shows the genetic distance with normal-sized populations (Ionian and
Tyrrhenian Seas) living in open sea. AMOVA analysis indicated a genetic distance among the sea urchin populations from the
Tyrrhenian sea and Ionian sea.
The article is published in the original. |
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