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pubmed-article:18314142pubmed:abstractTextMussels are susceptible to numerous toxicants and are often employed as bioindicators. This study investigated the status of the ras proto-oncogene in Mytilus galloprovincialis following petrochemical exposure. A M. galloprovincialis homologue of the vertebrate ras gene was isolated, showing conserved sequence in regions of functional importance and a high incidence of polymorphic variation. Mutational damage was investigated in mussels chronically exposed to the water-accommodated fraction of #4 fuel-oil (WAF), and in mussels collected along the NW coast of Portugal in sites with different levels of petrochemical contamination. A ras gene point mutation was identified in the codon 35 of one individual exposed to 12.5% WAF. No mutations were detected in mussels from the WAF control or environmental samples. This represents the first report of a ras gene mutation, experimentally-induced by petrochemical exposure, in an invertebrate species.lld:pubmed
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pubmed-article:18314142pubmed:year2008lld:pubmed
pubmed-article:18314142pubmed:articleTitleRas gene in marine mussels: a molecular level response to petrochemical exposure.lld:pubmed
pubmed-article:18314142pubmed:affiliationICBAS - Instituto de Ciências Biomédicas de Abel Salazar, Departamento de Estudos de Populações, Laboratório de Ecotoxicologia, Universidade do Porto, Largo Prof. Abel Salazar 2, 4099-003 Porto, Portugal.lld:pubmed
pubmed-article:18314142pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:18314142pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed