Six different hemoglobins have been demonstrated by polyacrylamide disc gel electrophoresis in a species of vole Pitymys duodecimcostatus. Plasma proteins of the Pitymys duodecimcostatus were analyzed by polyacrylamide disc gel electrophoresis and there was no significant difference with the electrophoretic patterns of the rat (Rattus norvegicus). The hematological values, hematocrit, hemoglobin concentration and erythrocyte number have been analyzed.
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Sex determination of Microtus mandarinus mandarinus is independent of Sry gene.
Mamm Genome
January 2008
College of Life Science, Xuzhou Normal University, Xuzhou, 221116, People's Republic of China.
PCR was performed with primers corresponding to the Sry HMG-box of the mouse and eight Microtus species. Primers for the SALL4 gene and the ZFY/ZFX gene were used as positive controls. None of these sets of primers can amplify any homologous segment of the Sry gene in the genomic DNA of Microtus mandarinus mandarinus, but both can amplify the Sry HMG-box in the male mouse, SALL4 bands, and ZFY/ZFX bands in both male and female M.
View Article and Find Full Text PDFAchiasmatic sex chromosomes in Pitymys duodecimcostatus: mechanisms of association and segregation.
Cytogenet Cell Genet
May 1991
Departamento de Biología Animal, Ecología y Genética, Facultad de Ciencias, Universidad de Granada, Spain.
The meiotic behavior of the sex chromosomes of Pitymys duodecimcostatus was studied by electron microscopy of whole-mount synaptonemal complex preparations. The results established that the sex chromosomes of this species are achiasmatic and remain unassociated throughout meiotic prophase I in most spermatocytes. In other cells, nonspecific association of the X and Y occurred by means of filamentous bridges.
View Article and Find Full Text PDFThe synaptic sequence in hydroxyurea-treated spermatocytes of Pitymys duodecimcostatus (Rodentia, Microtidae).
Cytogenet Cell Genet
May 1991
Departamento de Biología Animal, Ecología y Genética, Facultad de Ciencias, Universidad de Granada, Spain.
A number of Pitymys duodecimcostatus males from a natural population were treated with hydroxyurea, which produces a gap in the spermatogenic line, to study the synaptic sequence of meiotic prophase. The use of substaging criteria, based on the morphological characteristics of the meiotic cells themselves, gave rise to a classification scheme consistent with the chronological sequence revealed by hydroxyurea treatment, which supports the usefulness of these independent criteria. The characteristics of meiotic prophase in P.
View Article and Find Full Text PDFHemoglobin and oxygen: different affinities in two species of rodents (Mus musculus and Pitymys duodecimcostatus).
Comp Biochem Physiol A Comp Physiol
October 1986
Five different hemoglobins have been demonstrated by polyacrylamide-gel disk electrophoresis in the species Mus musculus. Oxygen affinities of hemoglobin (P50) from Mus musculus and Pitymys duodecimcostatus hemolysates were determined at pH 7.4 and 37 degrees C.
View Article and Find Full Text PDFHemoglobin components and plasma proteins in Pitymys duodecimcostatus.
Comp Biochem Physiol B
March 1985
Six different hemoglobins have been demonstrated by polyacrylamide disc gel electrophoresis in a species of vole Pitymys duodecimcostatus. Plasma proteins of the Pitymys duodecimcostatus were analyzed by polyacrylamide disc gel electrophoresis and there was no significant difference with the electrophoretic patterns of the rat (Rattus norvegicus). The hematological values, hematocrit, hemoglobin concentration and erythrocyte number have been analyzed.
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