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Flow cytometric detection of DNA cell cycle alterations in hemocytes of mussels (Mytilus galloprovincialis) off the Adriatic coast, Croatia
Bihari, N.; Micic, M.; Batel, R.; Zahn, R.K. (2003). Flow cytometric detection of DNA cell cycle alterations in hemocytes of mussels (Mytilus galloprovincialis) off the Adriatic coast, Croatia. Aquat. Toxicol. 64(2): 121-129. https://dx.doi.org/10.1016/S0166-445X(03)00040-7
In: Aquatic Toxicology. Elsevier Science: Tokyo; New York; London; Amsterdam. ISSN 0166-445X; e-ISSN 1879-1514
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| Trefwoorden |
Acids > Organic compounds > Organic acids > Nucleic acids > DNA
Adriatic Sea
Cells
Croatia
Eukaryotes > Animals > Invertebrates > Mollusca > Bivalvia > Shellfish > Mussels
Flow cytometry
Hydrographic features > Marine areas > Seas > Mediterranean sea > Adriatic sea
Mussels
Mytilus galloprovincialis Lamarck, 1819 [WoRMS]
Croatia [Marine Regions]
Marien/Kust |
| Auteurs | | Top |
- Bihari, N., correspondent
- Micic, M.
- Batel, R.
- Zahn, R.K.
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| Abstract |
Studies were carried out to determine the alteration in DNA cell cycle characteristics of hemocytes of the mussel Mytilus galloprovincialis collected at 17 different locations (146 individuals) along the Adriatic coast, Croatia. In order to connect possible genomic manifestation to urban and/or industrial waste flow cytometry was used. We studied incidence of altered DNA profile reflective of chromosomal fragmentation phenomena or aneuploid mosaicism, coefficient of variation (CV) in DNA fluorescence as a measure of intraindividual genome size variability and DNA index (DI) as a measure of ploidy. The different classes of DNA cell cycle alterations found in this study mirror either acute or cumulative genotoxic effects of the surrounding environment on mussel hemocyte DNA. These are intraindividual genome size variability (CV > 8, seven individuals from four sites), aneuploidy (altered DNA profile and DI < 0.9, 45 individuals from 14 sites) and accidental apoptotic processes (altered DNA profile and presence of apoptotic cells, two individuals from two sites). Normal cell cycle DNA profiles were obtained for 89 (60.9%) individuals from all 17 sites and for 146 examined samples polyploids were absent. Flow cytometry proved to be a powerful technique for the determination of alterations in cell cycle characteristics in mussel hemocyte DNA. Therefore, it may be used in pollution control measurements to distinguish affected or vulnerable populations from healthy populations living in the presence of a wide variety of marine environmental contaminants. |
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