Publications
Nicole Valenzuela
COPYRIGHT NOTICE: Reprints of published articles are provided as
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All copyrights remain with the original publishers of the articles. Please
make only a single copy of any article, for personal use only.
Updated 9/24/08
2009
35. Escalona, T., Engstrom T.N., Hernandez O.E., Bock
B.C., Vogt R.C. and Valenzuela N. 2009. Population genetics
of the endangered South American freshwater turtle, Podocnemis unifilis,
inferred from microsatellite DNA data. Conservation Genetics
(Accepted).
2008
34. Chinsamy, A. and Valenzuela, N.
2008. Skeletochronology of the endangered side-neck turtles Podocnemis
expansa. South African Journal of Science
104(7/8): 311-314 PDF
33. Martinez, P., Ezaz T., Valenzuela, N.,
Georges, A., and Graves J.A.M. 2008. An XX/XY heteromorphic sex chromosome
system in the Australian chelid turtle Emydura macquarii, a new
piece in the puzzle of sex chromosome evolution in turtles. Chromosome
Research 16(6): 815-825 PDF
32. Valenzuela,
N. 2008. Sexual development and the evolution of sex determination.
Sexual Development 2(2): 64-72. PDF
31. Valenzuela, N. 2008. Evolution
of the gene network underlying gonadogenesis in turtles with temperature-dependent
and genotypic sex determination. Integrative and Comparative
Biology 48 (4): 476-485. PDF
Full Text
30. Janes D.E., Organ C., and Valenzuela N.
2008. New resources inform study of genome size, content and organization
in non-avian reptiles. Integrative and Comparative Biology
48(4): 447-453. PDF Full Text
29. Valenzuela,
N. 2008. Relic thermosensitive gene expression in a turtle with genotypic
sex determination. Evolution 62-1: 234-240. PDF
2007
28. McGaugh, S.E., Alacs E.A., Edwards S.V., Feldman
C.R., Georges A., Sites, J.R.Jr., Valenzuela
N. 2007. From molecules to organisms: Research applications of modern
genetic tools for turtle biology and conservation. Chelonian Research Monographs 4: 47-72.
PDF
27. Valenzuela, N.
and Shikano T. 2007. Embryological ontogeny of Aromatase gene expression in Chrysemys
picta and Apalone mutica
turtles: comparative patterns within and across temperature-dependent
and genotypic sex-determining mechanisms. Development, Genes and Evolution 217:
55–62. PDF
2006
26. Valenzuela, N., LeClere A., and Shikano
T. 2006. Comparative expression of steroidogenic factor 1 in Chrysemys picta and Apalone mutica turtles with environmental and genotypic sex determination.
Evolution
and Development 8 (5): 424-432 PDF
25. Ezaz T., Valenzuela, N., Gruetzner F., Miura I., Burke
R., Georges, A. and Graves J.M. 2006.
Cryptic XY sex chromosome system in a GSD turtle,
Chelodina longicollis (Chelidae,
Reptilia). Chromosome Research 14:139-150 PDF
24. Pearse, D.E.,
A.D. Arndt, N. Valenzuela,
B.A. Miller, V. Cantarelli, J.W. Sites, Jr. 2006. Estimating population
structure under non-equilibrium conditions in a conservation context:
Continent-wide population genetics of the giant Amazon river turtle Podocnemis
expansa (Chelonia; Podocnemidae). Molecular Ecology 15: 985-1006 PDF
23. Valenzuela, N. 2006. (Book Review).
Incubation of Reptile Eggs: Basics, Guidelines, Experiences, by Gunther
Kohler. Quarterly
Review of Biology 81:290-291. PDF
2004
22. BOOK: Valenzuela, N. and V. Lance, Eds.
2004. Temperature Dependent Sex Determination in Vertebrates.
Smithsonian Books. Washington
D.C PDF INFO
21. Valenzuela, N.,
D.C. Adams, R.M. Bowden, and A.C. Gauger 2004. Geometric morphometric
sex estimation for hatchling turtles: a powerful alternative for detecting
subtle sexual shape dimorphism. Copeia. 2004(4): 735–742 PDF
20. Valenzuela, N. 2004. Evolution and maintenance
of temperature-dependent sex determination. Pp. 131-147. In Valenzuela,
N. and V. Lance, Eds. Temperature Dependent Sex Determination in
Vertebrates. Smithsonian Books. Washington D.C PDF
19. Valenzuela, N. 2004. Temperature-dependent
sex determination. Pp. 211-227. In Deeming D.C. Ed. Reptilian Incubation: Environment
& Behaviour. Nottingham
University Press.
2003
18. Valenzuela,
N., D.C. Adams, and F.J. Janzen. 2003. Pattern does not equal process: Exactly
when is sex environmentally determined? American Naturalist 161 (4): 676-683 PDF
17.
Kagima, B. W., N. Valenzuela, T. Engstrom, B. Bock. 2003.
Preliminary population genetic
study of the yellow spotted Amazon river turtle (Podocnemis unifilis) using microsatellite DNA data. Integrative
and Comparative Biology 43: 1025-1025.
2001
16. Milne-Morjan, C. and N. Valenzuela. 2001.
Is ground-nuzzling by female turtles associated with soil surface temperatures?
Journal of Herpetology 35(4): 668-672
PDF
15. Valenzuela, N. and F. J. Janzen. 2001. Nest-site
philopatry and the evolution of temperature-dependent sex determination.
Evolutionary Ecology Research 3: 779-794 PDF
14. Valenzuela, N. 2001. Constant, shift and natural temperature
effects on sex determination in Podocnemis
expansa turtles. Ecology 82(11): 3010–3024 PDF
13. Valenzuela, N. 2001. Maternal
effects on life history traits in the Amazonian giant river turtle Podocnemis expansa. Journal of Herpetology 35(3):
368-378 PDF
12. Valenzuela, N. 2001. Genetic differentiation among nesting beaches in the
highly migratory giant river turtle (Podocnemis
expansa) from Colombia.
Herpetologica
57(1): 48-57 PDF
2000
11. Valenzuela, N. 2000. Multiple paternity in side-neck turtles Podocnemis expansa: evidence from microsatellite
DNA data. Molecular Ecology 9: 99-106 PDF
1997
10. Adams, D. C., M. S. Di Bitetti, C. H. Janson, L.
B. Slobodkin, and N. Valenzuela.
1997. An “audience effect”
for ecological terminology: use and misuse of jargon. Oikos 80:632-636 PDF
9.
Valenzuela, N, E. Martínez, and R. Botero.
1997. Field study of sex determination
in Podocnemis expansa from Colombian
Amazonia. Herpetologica
53(3):390-398 PDF
1995
8. Valenzuela, N, E. Martínez,
and R. Botero. 1995. Preliminary model of sex determination of Podocnemis expansa from Colombian Amazonia.
Proceedings of the International Congress of Chelonian Conservation and
Biology. Pp. 276-278.
1992
7. Lance,V.A., N. Valenzuela
and P. von Hildebrand. 1992. A hormonal method to determine the sex of hatchling
giant river turtles, Podocnemis
expansa. Application to endangered species research. American Zoologist 32:16A
PDF
Undergraduate work (1990-1994)
6. Valenzuela, N. 1994. Early behavioral development of three wild infant
Cebus apella in Colombia. Current Primatology, Volume II. Social Development,
Learning and Behaviour. (Roeder, J.J., Thierry, B., Anderson, J.R. and N. Herrenschmidt,
eds.). Selected Proceedings of the XIVth Congress of the IPS, Strasbourg, France,
1992. Pp. 297-302.
5. Valenzuela, N. 1993. Social
contacts between infants and other group members in the wild Cebus apella. Field Studies of New World Monkeys
at La Macarena, Colombia 8: 1-9 PDF
4. Valenzuela, N. 1992. Early
development of three wild infant Cebus apella at La Macarena,
Colombia.
Field
Studies of New World Monkeys at La Macarena,
Colombia
6: 15-23 PDF
3.
Espinel A. and N. Valenzuela. 1991. Adaptaciones genéticas a la malaria en poblaciones
afroaborígenes del Pacífico Colombiano. Revista de Antropología y Arqueología.
7:117-130 PDF
2.
Groot de Restrepo, H., A. Espinel, N. Valenzuela, D. Sicard, P.
Angulo, and D. Nieto. 1991. Variabilidad Genética en el Género Cebus en Colombia. Proceedings of the II Congreso de
Primatología, Barranquilla,
Colombia.
1.
Espinel A., N. Valenzuela, A. Fajardo, J. Umaña, and G. Quintero. 1990. Breve
reseña de las actividades primatológicas en Colombia. Boletín
Primatología Latinoamericana 2(1):62-68.
COPYRIGHT
NOTICE: Reprints of published articles
are provided as a service to enhance accessibility and the exchange of
information. In downloading, you agree to comply with United States
copyright law (Title 17, United States Code), such that the reprints are
not to be "used for any purpose other than private study, scholarship,
or research." All copyrights remain with the original publishers
of the articles. Please make only a single copy of any article, for personal
use only.