K. L. Ayers, L. S. Lambeth, N. M. Davidson, A. H. Sinclair, A. Oshlack et al., Identification of candidate gonadal sex differentiation genes in the chicken embryo using RNA-seq, BMC Genomics, vol.108, issue.Web Server issu, p.704, 2015.
DOI : 10.1006/gcen.1997.6978

D. Baron, J. Cocquet, X. Xia, M. Fellous, Y. Guiguen et al., An evolutionary and functional analysis of FoxL2 in rainbow trout gonad differentiation, Journal of Molecular Endocrinology, vol.33, issue.3, pp.705-715, 2004.
DOI : 10.1677/jme.1.01566

G. J. Bouma, K. H. Albrecht, L. L. Washburn, A. K. Recknagel, G. A. Churchill et al., Gonadal sex reversal in mutant Dax1 XY mice: a failure to upregulate Sox9 in pre-Sertoli cells, Development, vol.132, issue.13, pp.3045-54, 2005.
DOI : 10.1242/dev.01890

J. Brennan, C. Tilmann, and B. Capel, Pdgfr-alpha mediates testis cord organization and fetal Leydig cell development in the XY gonad, Genes & Development, vol.17, issue.6, pp.800-810, 2003.
DOI : 10.1101/gad.1052503

E. Jamil, A. Kanhoush, R. Magre, S. Boizet-bonhoure, B. Penrad-mobayed et al., Sex-specific expression of SOX9 during gonadogenesis in the amphibian Xenopus tropicalis, Developmental Dynamics, vol.63, issue.10, pp.2996-3005, 2008.
DOI : 10.1002/ajmg.a.31631
URL : https://hal.archives-ouvertes.fr/hal-00331723

A. Hammes, J. K. Guo, G. Lutsch, J. R. Leheste, D. Landrock et al., Two Splice Variants of the Wilms' Tumor 1 Gene Have Distinct Functions during Sex Determination and Nephron Formation, Cell, vol.106, issue.3, pp.319-329, 2001.
DOI : 10.1016/S0092-8674(01)00453-6

M. Hasegawa, Y. Hiraoka, J. Hagiuda, M. Ogawa, and S. Aiso, Expression and characterization of Xenopus laevis SRY-related cDNAs, xSox17??1, xSox17??2, xSox18?? and xSox18??, Gene, vol.290, issue.1-2, pp.163-72, 2002.
DOI : 10.1016/S0378-1119(02)00554-1

M. K. Hughes and A. L. Hughes, Evolution of duplicate genes in a tetraploid animal, Xenopus laevis, Mol. Biol. Evol, vol.10, pp.1360-1369, 1993.

R. Iwade, K. Maruo, G. Okada, and M. Nakamura, Elevated expression of P450c17 (CYP17) during testicular formation in the frog, General and Comparative Endocrinology, vol.155, issue.1, pp.79-87, 2008.
DOI : 10.1016/j.ygcen.2007.02.032

E. Jansson, A. Mattsson, J. Goldstone, and C. Berg, Sex-dependent expression of anti-M??llerian hormone (amh) and amh receptor 2 during sex organ differentiation and characterization of the M??llerian duct development in Xenopus tropicalis, General and Comparative Endocrinology, vol.229, pp.132-176, 2016.
DOI : 10.1016/j.ygcen.2016.03.018

A. Jorgensen, J. E. Morthorst, O. Andersen, L. J. Rasmussen, and P. Bjerregaard, Expression profiles for six zebrafish genes during gonadal sex differentiation, Reproductive Biology and Endocrinology, vol.6, issue.1, p.25, 2008.
DOI : 10.1186/1477-7827-6-25

N. Kluver, A. Herpin, I. Braasch, J. Driessle, and M. Schartl, Regulatory back-up circuit of medaka Wt1 co-orthologs ensures PGC maintenance, Developmental Biology, vol.325, issue.1, pp.179-88, 2009.
DOI : 10.1016/j.ydbio.2008.10.009

T. Kato, K. Matsui, M. Takase, M. Kobayashi, and M. Nakamura, Expression of P450 aromatase protein in developing and in sex-reversed gonads of the XX/XY type of the frog Rana rugosa, General and Comparative Endocrinology, vol.137, issue.3, pp.227-263, 2004.
DOI : 10.1016/j.ygcen.2004.03.013

K. Kawano, S. Furusawa, H. Matsuda, M. Takase, and M. Nakamura, Expression of Steroidogenic Factor-1 in Frog Embryo and Developing Gonad, General and Comparative Endocrinology, vol.123, issue.1, pp.13-22, 2001.
DOI : 10.1006/gcen.2000.7584

Y. Kim, A. Kobayashi, R. Sekido, L. Dinapoli, J. Brennan et al., Fgf9 and Wnt4 Act as Antagonistic Signals to Regulate Mammalian Sex Determination, PLoS Biology, vol.7, issue.6, p.187, 2006.
DOI : 10.1371/journal.pbio.0040187.sg001
URL : https://hal.archives-ouvertes.fr/inserm-00708293

P. Koopman, Sry, Sox9 and mammalian sex determination, EXS, pp.25-56, 2001.
DOI : 10.1007/978-3-0348-7781-7_3
URL : https://link.springer.com/content/pdf/10.1007%2F978-3-0348-7781-7_3.pdf

P. Koopman and K. A. Loffler, Sex Determination: The Fishy Tale of Dmrt1, Current Biology, vol.13, issue.5, pp.177-186, 2003.
DOI : 10.1016/S0960-9822(03)00117-9

S. Koyano, M. Ito, N. Takamatsu, S. Takiguchi, and T. Shiba, The Xenopus Sox3 gene expressed in oocytes of early stages, Gene, vol.188, issue.1, pp.101-107, 1997.
DOI : 10.1016/S0378-1119(96)00790-1

K. A. Loffler, D. Zarkower, and P. Koopman, Is a Conserved, Early-Acting Gene in Vertebrate Ovarian Development, Endocrinology, vol.144, issue.7, pp.3237-3243, 2003.
DOI : 10.1210/en.2002-0095

X. Luo, Y. Ikeda, and K. L. Parker, A cell-specific nuclear receptor is essential for adrenal and gonadal development and sexual differentiation, Cell, vol.77, issue.4, pp.481-490, 1994.
DOI : 10.1016/0092-8674(94)90211-9

S. Malki, S. Nef, C. Notarnicola, L. Thevenet, S. Gasca et al., Prostaglandin D2 induces nuclear import of the sex-determining factor SOX9 via its cAMP-PKA phosphorylation, The EMBO Journal, vol.30, issue.6, pp.1798-1809, 2005.
DOI : 10.1016/S0167-4838(00)00161-8

K. Maruo, M. Suda, S. Yokoyama, Y. Oshima, and M. Nakamura, Steroidogenic gene expression during sex determination in the frog Rana rugosa, General and Comparative Endocrinology, vol.158, issue.1, pp.87-94, 2008.
DOI : 10.1016/j.ygcen.2008.04.019

Y. Matsumoto, A. Buemio, R. Chu, M. Vafaee, and D. Crews, Epigenetic Control of Gonadal Aromatase (cyp19a1) in Temperature-Dependent Sex Determination of Red-Eared Slider Turtles, PLoS ONE, vol.203, issue.6, p.63599, 2013.
DOI : 10.1371/journal.pone.0063599.s003

L. P. Mayer, S. L. Overstreet, C. A. Dyer, and C. R. Propper, Sexually dimorphic expression of steroidogenic factor 1 (SF-1) in developing gonads of the American bullfrog, Rana catesbeiana, General and Comparative Endocrinology, vol.127, issue.1, pp.40-47, 2002.
DOI : 10.1016/S0016-6480(02)00019-9

N. Miyamoto, M. Yoshida, S. Kuratani, I. Matsuo, and S. Aizawa, Defects of urogenital development in mice lacking Emx2, Development, vol.124, pp.1653-1664, 1997.

Y. Miyamoto, H. Taniguchi, F. Hamel, D. W. Silversides, and R. S. Viger, A GATA4/WT1 cooperation regulates transcription of genes required for mammalian sex determination and differentiation, BMC Molecular Biology, vol.9, issue.1, p.44, 2008.
DOI : 10.1186/1471-2199-9-44

M. Nakamura, Sex determination in amphibians, Seminars in Cell & Developmental Biology, vol.20, issue.3, pp.271-82, 2009.
DOI : 10.1016/j.semcdb.2008.10.003

L. Navarro-martín, Y. M. Velasco-santamaría, P. Duarte-guterman, C. Robertson, C. Lanctôt et al., Sexing Frogs by Real-Time PCR: Using Aromatase <b><i>(cyp19) </i></b>as an Early Ovarian Differentiation Marker, Sexual Development, vol.54, issue.6, pp.303-318, 2012.
DOI : 10.1080/10635150590945278

E. E. Nilsson and M. K. Skinner, Bone Morphogenetic Protein-4 Acts as an Ovarian Follicle Survival Factor and Promotes Primordial Follicle Development, Biology of Reproduction, vol.48, issue.4, pp.1265-72, 2003.
DOI : 10.1095/biolreprod.103.018671
URL : https://academic.oup.com/biolreprod/article-pdf/69/4/1265/8521400/biolreprod1265.pdf

M. Nishioka, H. Hanada, and I. Miura, Four kinds of sex chromosomes in Rana rugosa, Sci. Rep. Lab. Amphibina Biol, vol.13, pp.1-34, 1994.

N. Osawa, Y. Oshima, and M. Nakamura, and Its Expression in the Gonad of Xenopus, Zoological Science, vol.22, issue.6, pp.681-688, 2005.
DOI : 10.2108/zsj.22.681

Y. Oshima, Y. Uno, Y. Matsuda, T. Kobayashi, and M. Nakamura, Molecular cloning and gene expression of Foxl2 in the frog Rana rugosa, General and Comparative Endocrinology, vol.159, issue.2-3, pp.170-177, 2008.
DOI : 10.1016/j.ygcen.2008.08.013

C. Ottolenghi, S. Omari, J. E. Garcia-ortiz, M. Uda, L. Crisponi et al., Foxl2 is required for commitment to ovary differentiation, Human Molecular Genetics, vol.14, issue.14, pp.2053-62, 2005.
DOI : 10.1023/A:1018445520117

E. Pailhoux, P. Parma, J. Sundstrom, B. Vigier, and N. Servel, Time course of female-to-male sex reversal in 38,XX fetal and postnatal pigs, Developmental Dynamics, vol.350, issue.2-3, pp.328-340, 2001.
DOI : 10.1098/rstb.1995.0164

P. Parma, O. Radi, V. Vidal, M. C. Chaboissier, E. Dellambra et al., R-spondin1 is essential in sex determination, skin differentiation and malignancy, Nature Genetics, vol.98, issue.11, pp.1304-1313, 2006.
DOI : 10.1073/pnas.141221998

R. P. Piprek, Molecular Mechanisms Underlying Female Sex Determination ??? Antagonism Between Female and Male Pathway, Folia Biologica, vol.57, issue.3, pp.105-113, 2009.
DOI : 10.3409/fb57_3-4.105-113

R. P. Piprek, Molecular and cellular machinery of gonadal differentiation in mammals, The International Journal of Developmental Biology, vol.54, issue.5, pp.779-86, 2010.
DOI : 10.1387/ijdb.092939rp

R. P. Piprek, A. Pecio, K. Laskowska-kaszub, J. Z. Kubiak, and J. Z. Szymura, Sexual dimorphism of AMH, DMRT1 and RSPO1 localization in the developing gonads of six anuran species, The International Journal of Developmental Biology, vol.57, issue.11-12, pp.871-875, 2013.
DOI : 10.1387/ijdb.130192rp
URL : https://hal.archives-ouvertes.fr/hal-00979049

R. P. Piprek, M. Kloc, and J. Z. Kubiak, Early Development of the Gonads: Origin and Differentiation of the Somatic Cells of the Genital Ridges, Results Probl. Cell Differ, vol.181, issue.2, pp.1-22, 2016.
DOI : 10.1002/aja.1001810110
URL : https://hal.archives-ouvertes.fr/hal-01334064

R. P. Piprek, M. Kloc, J. P. Tassan, and J. Z. Kubiak, Development of Xenopus laevis bipotential gonads into testis or ovary is driven by sex-specific cell-cell interactions, proliferation rate, cell migration and deposition of extracellular matrix, Developmental Biology, vol.432, issue.2, pp.298-310, 2017.
DOI : 10.1016/j.ydbio.2017.10.020
URL : https://hal.archives-ouvertes.fr/hal-01659527

A. H. Shaikat, S. Namekawa, S. Ahmadi, M. Takeda, and T. Ohkubo, Gene expression profiling in embryonic chicken ovary during asymmetric development, Animal Science Journal, vol.16, issue.4, p.2017, 2017.
DOI : 10.3390/ijms161126044

K. Shibata, M. Takase, and M. Nakamura, The Dmrt1 expression in sex-reversed gonads of amphibians, General and Comparative Endocrinology, vol.127, issue.3, pp.232-273, 2002.
DOI : 10.1016/S0016-6480(02)00039-4

C. A. Smith, V. Clifford, P. S. Western, S. A. Wilcox, K. S. Bell et al., Cloning and expression of a DAX1 homologue in the chicken embryo, Journal of Molecular Endocrinology, vol.24, issue.1, pp.23-32, 2000.
DOI : 10.1677/jme.0.0240023

L. D. Spotila and S. H. Hall, Expression of a new RNA-splice isoform of WT1 in developing kidney???gonadal complexes of the turtle, Trachemys scripta, Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, vol.119, issue.4, pp.761-767, 1998.
DOI : 10.1016/S0305-0491(98)00053-4

J. Sugita, M. Takase, and M. Nakamura, Expression of Dax-1 during gonadal development of the frog, Gene, vol.280, issue.1-2, pp.67-74, 2001.
DOI : 10.1016/S0378-1119(01)00739-9

A. Swain, E. Zanaria, A. Hacker, R. Lovell-badge, and G. Camerino, Mouse Dax1 expression is consistent with a role in sex determination as well as in adrenal and hypothalamus function, Nature Genetics, vol.4, issue.4, pp.404-413, 1996.
DOI : 10.1210/me.9.4.478

P. Western, J. Harry, M. Graves, J. Sinclair, and A. , Temperature-dependent sex determination in the American alligator: expression of SF1, WT1 and DAX1 during gonadogenesis, Gene, vol.241, issue.2, pp.223-255, 2000.
DOI : 10.1016/S0378-1119(99)00466-7

D. Wilhelm, R. Hiramatsu, H. Mizusaki, L. Widjaja, A. N. Combes et al., to Ensure Testis Development, Journal of Biological Chemistry, vol.287, issue.14, pp.10553-60, 2007.
DOI : 10.1073/pnas.0600994103

S. Vainio, M. Heikkilä, A. Kispert, N. Chin, and A. Mcmahon, Female development in mammals is regulated by Wnt-4 signalling, Nature, vol.315, issue.6718, pp.405-414, 1999.
DOI : 10.1038/315070a0

H. H. Yao and B. Capel, Disruption of Testis Cords by Cyclopamine or Forskolin Reveals Independent Cellular Pathways in Testis Organogenesis, Developmental Biology, vol.246, issue.2, pp.356-65, 2002.
DOI : 10.1006/dbio.2002.0663

H. H. Yao, W. Whoriskey, and B. Capel, Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis, Genes & Development, vol.16, issue.11, pp.1433-1473, 2002.
DOI : 10.1101/gad.981202

H. H. Yao, J. Aardema, and K. Holthusen, Sexually Dimorphic Regulation of Inhibin Beta B in Establishing Gonadal Vasculature in Mice1, Biology of Reproduction, vol.276, issue.5, pp.978-83, 2006.
DOI : 10.1016/j.ydbio.2004.08.049

S. Yokoyama, Y. Oshima, J. Tokita, M. Suda, T. Shinozuka et al., Androgen receptor of the frog Rana rugosa: molecular cloning and its characterization, J. Exp. Zool. A Ecol. Genet. Physiol, vol.311, pp.796-812, 2009.

S. Yoshimoto, E. Okada, H. Umemoto, K. Tamura, Y. Uno et al., A W-linked DM-domain gene, DM-W, participates in primary ovary development in Xenopus laevis, Proceedings of the National Academy of Sciences, vol.28, issue.5, pp.2469-74, 2008.
DOI : 10.1093/nar/28.4.e12

S. Yoshimoto, N. Ikeda, Y. Izutsu, T. Shiba, N. Takamatsu et al., Opposite roles of DMRT1 and its W-linked paralogue, DM-W, in sexual dimorphism of Xenopus laevis: implications of a ZZ/ZW-type sex-determining system, Development, vol.137, issue.15, pp.2519-2545, 2010.
DOI : 10.1242/dev.048751

Y. Zhang, F. Li, D. Sun, J. Liu, N. Liu et al., Molecular analysis shows differential expression of R-spondin1 in zebrafish (Danio rerio) gonads, Molecular Biology Reports, vol.24, issue.1, pp.275-82, 2011.
DOI : 10.4161/cc.6.8.4136