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Autor:
S. Guerrero-Estévez, N. Moreno-Mendoza
Publikováno v:
Journal of fish biology. 80(3)
This study describes the structural and ultrastructural characteristics of gonadal sex differentiation and expression of Vasa, a germline marker, in different developmental stages of embryos and newborn fry of the barred splitfin Chapalichthys encaus
Publikováno v:
Anatomia, histologia, embryologia. 41(4)
The aim of this study was to use culture medium (McCoy®) as a test to evaluate the classification of embryos after a primary grading using stereoscopic microscopy to further confirm whether embryos have been correctly scored by stereoscopic microsco
Publikováno v:
Reproduction in domestic animals = Zuchthygiene. 39(3)
The objective of the present study was to evaluate the quality of bovine embryos cryopreserved in different years in Chiapas, Mexico. The embryos were obtained from a government institution (FIMEGEN) dedicated to promoting embryo transfer among dual-
Autor:
A Landa Piedra, A Marmolejo Valencia, L.C Torres Maldonado, A Meza Martı́nez, N Moreno Mendoza, H Merchant Larios
Publikováno v:
General and comparative endocrinology. 129(1)
Sex determination is controlled either by genetic or environmental factors. In mammals Sry initiates determination but no homologue of this gene exists in non-mammalian species. Other genes of the mammalian sex-determining pathway have been identifie
Autor:
H, Merchant-Larios, N, Moreno-Mendoza
Publikováno v:
Archives of medical research. 32(6)
During the late 1940s, Alfred Jost demonstrated that mammalian sex differentiation begins in fetal testis, producing two factors necessary for the establishment of phenotypic males. Castrated embryos prior to testis differentiation led to phenotypic
Publikováno v:
Biology of reproduction. 61(6)
When the Y chromosome of Mus musculus domesticus (Y(TIR)) was introduced onto the C57BL/6J (B6) mouse background, testis development was impaired and half of the XY progeny (Y(TIR).B6) developed a female phenotype. Y(TIR).B6 fetal ovaries showed mass
Publikováno v:
The Journal of experimental zoology. 280(4)
Although temperature sex determination is well known in several reptile species, the physiological mechanism underlying this process remains to be elucidated. In the current work, we analyzed the levels of testosterone (T) and estradiol (E2) in the g
Autor:
N. Moreno-Mendoza, S. Aoyama, E. De Baere, M. Nakamura, M.H. Bogart, R.P. Teasdale, N.R. Bromage, Richard R. Behringer, D.K. Griffin, G.-C. Wu, N. Servel, Y.-H. Lee, V.A. Lance, M. Takase, Q. Yu, S.C. Harvey, P Penman, C. Santucciu, Annemiek Beverdam, Peter Koopman, Marilyn B. Renfree, T. Kobayashi, R. Campos-Ramos, Frank Grützner, L.-T. Sun, H. Merchant-Larios, V.R. Harley, Vincent R. Harley, J.-L. Du, M. Pannetier, J. Cocquet, A. Chesnel, M.T. Ezaz, C.-L. He, R.A. Veitia, S. Kuntz, C. Murdock, I. Grillier-Vuissoz, K. Matsui, J.A. Marchal, Sabine Kelly, Andrew J Pask, Stéphane Flament, L. Yue, N. Besnard, T. Taketo, X. Xia, A. Sánchez, Mónica Bullejos, C. Boonphakdee, R. Zhou, Eric Pailhoux, Kevin Christopher Knower, Y. Guo, H. Cheng, Jo Bowles, S. Tokunaga, M.J. Acosta, Marc Fellous, S. Takada, M. Gareil, H.W. Lau, C.-F. Chang, Y.-F.C. Lau, T. Wibbels, Y. Nagahama, K. Shibata, D. Chardard, Jennifer A. Marshall Graves, Y. Li, D.R. Carvalho-Silva, C. Cotinot, Kristy M. James, L.G. Kömüves, Dagmar Wilhelm, H. Kajiura-Kobayashi, R. Díaz de la Guardia
Publikováno v:
Cytogenetic and Genome Research. 101:323-324