Salinity and temperature variations reflecting on cellular PCNA, IGF-I and II expressions, body growth and muscle cellularity of a freshwater fish larvae.
作者： Y.S. Martins , R.M.C. Melo , P.H.A. Campos-Junior , J.C.E. Santos , R.K. Luz
DOI: 10.1016/J.YGCEN.2014.03.047
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摘要: Abstract The present study assessed the influence of salinity and temperature on body growth muscle cellularity Lophiosilurus alexaxdri vitelinic larvae. Slightly salted environments negatively influenced freshwater fish larvae we observed that those conditions notably act as an environmental influencer local expression hypertrophia hypeplasia markers (IGFs PCNA). Furthermore, could see tolerance for NaCl 4 g l − 1 diminishes with increasing temperature, evidenced by variation in growth, irregular morphology lateral skeletal We saw increase both PCNA autocrine IGF-II are correlated to fibre numbers diameter increases diminishes. On other hand, IGF-I follows opposite way biological parameters assessed, diminishes, showing this protein did not participate cellularity, but participating molecular/cellular repair. Therefore, slightly may provide adverse cause some obstacles somatic species, suggesting osmotic expenditure a increment.
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