[Author lines link to the NCBI PubMed Record where provided]

Koopman, P, Gubbay, J, Collignon, J and Lovell-Badge, R (1989):
Zfy gene expression patterns are not compatible with a primary role in mouse sex determination.
Nature 342: 940-942.

Gubbay, J, Koopman, P, Collignon, J, Burgoyne, P and Lovell-Badge, R (1990):
Normal structure and expression of Zfy genes in a line of mice mutant in Tdy.
Development 109: 647-653.

Gubbay, J, Collignon, J, Koopman, P, Capel, B, Economou, A, Munsterberg, A, Vivian, N, Goodfellow, P and Lovell-Badge, R (1990):
A gene mapping to the sex-determining region of the mouse Y chromosome is a member of a novel family of embryonically expressed genes.
Nature 346: 245-250. (608 citations to August 2000).

Koopman, P, M?nsterberg, A, Capel, B, Vivian, N and Lovell-Badge, R (1990):
Expression of a candidate sex-determining gene during mouse testis differentiation.
Nature 348: 450-452. (271 citations to August 2000).

Koopman, P, Gubbay, J, Vivian, N, Goodfellow, P and Lovell-Badge, R (1991):
Male development in chromosomally female mice transgenic for Sry.
Nature 351: 117-121. (577 citations to August 2000).

Wright, EM, Snopek, B and Koopman, P (1993):
Seven new members of the Sox gene family expressed during mouse development.
Nucleic Acids Res. 21: 744.

Capel, B, Swain, A, Nicolis, S, Hacker, A, Walter, M, Koopman, P, Goodfellow, P and Lovell-Badge, R (1993):
Circular transcripts of the testis-determining gene Sry in adult mouse testis.
Cell 73: 1019-1030.

Wright, EM, Hargrave, M, Christiansen, J, Cooper, L, Kun, J, Evans, T, Gangadharan, U, Greenfield, A and Koopman, P (1995).
The Sry-related gene Sox9 is expressed during chondrogenesis in mouse embryos.
Nature Genet. 9: 15-20.

Jeske, YWA, Bowles, J, Greenfield, A and Koopman, P (1995).
Expression of a linear Sry transcript in the mouse genital ridge.
Nature Genet. 10: 480-482.

Harry, JL, Koopman, P, Brennan, FE, Graves, JAM and Renfree, MB (1995):
Widespread expression of the testis-determining gene SRY in a marsupial.
Nature Genetics 11: 347-349.

Kent, J, Wheatley, SC, Andrews, JE, Sinclair, AH and Koopman, P (1996).
A male-specific role for SOX9 in vertebrate sex determinations.
Development 122: 2813-2822.

Greenfield, A, Scott, D, Pennisi, D, Ehrmann, I, Ellis, P, Cooper, L, Simpson, L and Koopman, P (1996).
An H-YDb epitope is encoded by a novel mouse Y-chromosome gene.
Nature Genetics 14: 474-478.

Ng, LJ, Wheatley, S, Muscat, GEO, Conway-Campbell, J, Bowles, J, Wright, E, Bell, DM, Tam, PPL, Cheah, KSE and Koopman, P (1997).
SOX9 binds DNA, activates transcription and co-expresses with type II collagen during chondrogenesis in the mouse.
Developmental Biology 183: 108-121.

Bell, DM, Leung, KKH, Wheatley, SC, Ng, LJ, Zhou, S, Ling, KW, Sham, MH, Koopman, P, Tam, PPL and Cheah, KSE (1997).
SOX9 directly regulates the type II collagen gene.
Nature Genetics 16: 174-178.

Bowles, J, Berkman, J, Cooper, L and Koopman, P (1999).
Sry requires a CAG repeat domain for male sex determination in Mus musculus.
Nature Genetics 22: 405-408.

Kanai, Y and Koopman, P (1999).
Structural and functional characterization of the mouse Sox9 promoter.
Human Molecular Genetics 8: 691-696.

Koopman, P.
Sry and Sox9: Mammalian testis-determining genes (1999).
Cellular and Molecular Life Sciences 55: 839-856.

Pennisi, D, Gardner, J, Chambers, D, Hosking, B, Peters, J, Muscat, G, Abbott, C and Koopman, P (2000).
Sox18 mutations underlie cardiovascular and hair follicle defects in ragged mice.
Nature Genetics 24, 434-437.

Bowles, J, Schepers, G and Koopman, P (2000).
Phylogeny of the SOX family of developmental transcriptional regulators based on sequence and structural indicators.
Developmental Biology 227: 239-255.

Koopman, P (2001)
The Genetics and Biology of Vertebrate Sex Determination.
Cell 105, 843-847.

Bullejos, M and Koopman, P. (2001)
Spatially dynamic expression of Sry in mouse genital ridges.
Developmental Dynamics 221:201-205.

Koopman, P (2001)
Sry, Sox9 and mammalian sex determination.
In: Genes and Mechanisms in Vertebrate Sex Determination (EXS 91; G. Scherer and M. Schmid, eds.). Birkhauser Verlag, Basel, 25-56.