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Cytogenetical analyses in three Astyanax scabripinnis populations (Pisces, Characidae) from Minas Gerais State, Brazil
No full textCytogenetical data in 3 populations of characid fish assigned to the complex of Astyanax scabripinnis from São Francisco river basin and Grande river basin, Minas Gerais State, Brazil, are presented for the first time. The same diploid number, 2n=50, was detected in the 3 populations, which has conspicuous differences involving karyotype morphology: 8M, 20SM, 6ST and 16A (Cambeba stream), 6M, 28SM, 6ST and 10A (Machado headwater), 6M, 24SM, 8ST and 12A (Pedra Branca stream). Differences involving amount and/or locations of heterochromatin blocks, number and position of nucleolar organizer regions (NORs) and CMA3 positive signals were also observed. Some aspects related to the chromosome diversification of Astyanax scabripinnis are discussed. © 2007 The Japan Mendel Society.Universidade de Lavras, Lavras, Minas GeraisDepartamento de Fonoaudiologia Faculdade de Filosofia e Ciências Universidade Estadual Paulista (UNESP), Marília, São PauloDepartamento de Fonoaudiologia Faculdade de Filosofia e Ciências Universidade Estadual Paulista (UNESP), Marília, São Paul
Reply to commentary by Dr. Jurgen Reichling and associates on the article Genotoxicity and mutagenicity of Rosmarinus officinalis (Labiatae) essential oil in mammalian cells in vivo, published in Genetics and Molecular Research (2010); 9(4): 2114-2122.
Full text linkUniv Estadual Paulista, Dept Fonoaudiol, Fac Filosofia & Ciencias, Marilia, SP, BrazilUniv Estadual Paulista, Dept Fonoaudiol, Fac Filosofia & Ciencias, Marilia, SP, Brazi
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