(23) Sandkam BA, Almeida P, Darolti I, Furman B, van der Bijl W, Morris J, Bourne G, Breden F, Mank JE. Extreme Y chromosome polymorphism corresponds to five male reproductive morphs. BioRxiv. doi:

In Press

(22) Almeida P, Sandkam BA, Morris J, Darolti I, Breden F, Mank JE. Divergence and Remarkable Diversity of the Y Chromosome in Guppies. Molecular Biology and Evolution. doi:


(21) Sandkam BA, Campello L, O’Brien C, Nandamuri SP, Gammerdinger W, Conte M, Swaroop A, Carleton KL. Tbx2a Modulates Switching of RH2 and LWS Opsin Gene Expression. Molecular Biology and Evolution 37(7):2002–2014. doi:

(20) Carleton KL, Conte M, Malinsky M, Nandamuri SP, Sandkam BA, Meier JI, Mwaiko S, Seehausen O, Kocher TD. Movement of transposable elements contributes to cichlid diversity. Molecular Ecology 29(24):4956-4969. doi:

(19) Furman BLS, Metzger DCH, Darolti I, Wright AE, Sandkam BA, Almeida P, Shu JJ, Mank JE. Sex chromosome evolution: So many exceptions to the rules. Genome Biology and Evolution 12(6):750-763. doi:


(18) Yourick MR, Sandkam BA, Gammerdinger WJ, Escobar-Camacho D, Nandamuri SR, Clark FE, Joyce B*, Conte MA, Kocher TD, Carleton KL. Diurnal variation in opsin expression and common housekeeping genes necessitates comprehensive normalization methods for quantitative real- time PCR analyses. Molecular Ecology Resources 19(6):1447-1460.

(17) Darolti I, Wright AE, Sandkam BA, Morris J, Bloch NI, Farré M, Fuller RC, Bourne GR, Larkin DM, Breden F, Mank JE. Extreme heterogeneity in sex chromosome differentiation and dosage compensation in livebearers. Proceedings of the National Academy of Sciences 116(38)19031-19036. doi:

(16) Gammerdinger WJ, Conte MA, Sandkam BA, Penman DJ, Kocher TD. Characterization of sex chromosomes in three deeply diverged species of Pseudocrenilabrinae (Teleostei: Cichlidae). Hydrobiologia. 382(1):397-408.

(15) Wright AE, Darolti I, Bloch NI, Oostra V, Sandkam BA, Buechel SD, Kolm N, Breden F, Vicoso B, Mank JE. On the power to detect rare recombination events. Proceedings of the National Academy of Sciences. 116(26):12607-12608.


(14) Sandkam, BA, B Dalton, F Breden, K Carleton. Re-viewing guppy color vision: Integrating the molecular and physiological variation in visual tuning of a classic system for sensory drive. Current Zoology. 64(4):535–545.

(13) Gammerdinger, W, M Conte, B Sandkam, A Ziegelbecker, S Koblmuller, T Kocher. Novel sex chromosomes in three cichlid fishes from Lake Tanganyika. Journal of Heredity. 109(5):489-500.


(12) Sandkam, BA, JB Joy, CT Watson, and F Breden. Genomic Environment Impacts Color Vision Evolution in a Family with Visually Based Sexual Selection. Genome Biology & Evolution 9 (11): 3100–3107.

(11) Wright, AE, I Darolti, NI Bloch, V Oostra, B Sandkam, SD Buechel, N Kolm, F Breden, B Vicoso, JE Mank. Convergent recombination suppression suggests a role of sexual selection in guppy sex chromosome formation. Nature Communications 8: 14251.


(10) Sandkam, BA, KA Deere-Machemer, AM Johnson, GF Grether, FH Rodd and RC Fuller. Exploring visual plasticity: Dietary carotenoids can change color vision in guppies (Poecilia reticulata). Journal of Comparative Physiology A. 202(7): 527-534. 

(9) Taves, MD, JA Losie*, T Rahim*, KL Schmidt, BA Sandkam, C Ma, FG Silversides, and KK Soma. Locally elevated cortisol in lymphoid organs of developing altricial but not precocial birds. Developmental & Comparative Immunology, 54(1): 116-125.


(8) Sandkam, BA, CM Young*, FW Breden*, GR Bourne, and F Breden. Color vision varies more among populations than species of live-bearing fish from South America. BMC Evolutionary Biology, 15 (225).

(7) Sandkam, BA, CM Young*, and F Breden. Beauty in the eyes of the beholders: colour vision is tuned to mate preference in the Trinidadian guppy (Poecilia reticulata). Molecular Ecology, 24 (3): 596-609.

(6) Ehlman, S, BA Sandkam, F Breden, and A Sih. Plasticity of vision and behaviour may help guppies overcome human disturbance. Journal of Comparative Physiology A. 

(5) Lindholm, A, BA Sandkam, K Pohl, and F Breden. Poecilia picta, a close relative to the guppy, exhibits red male coloration polymorphism: a system for phylogenetic comparisons. PLoS One 10(11): e0142089. 

(4) Taves, MD, AW Plumb, C Ma, BA Sandkam, DA Close, N Abraham, and KK Soma. Steroid profiling reveals widespread local regulation of glucocorticoid levels during mouse development. Endocrinology, 156 (2): 511-522.


(3) Sandkam, BA, JB Joy, CT Watson, P Gonzales-Bendicksen*, CR Gabor, and F Breden. Hybridization leads to sensory repertoire expansion in a gynogenetic fish, the Amazon molly (Poecilia formosa): a test of the hybrid-sensory expansion hypothesis. Evolution, 67 (1): 120–130.


(2) Sandkam, BA*, and RC Fuller. The effects of water depth and light on oviposition and egg cannibalism in the Bluefin Killifish Lucania goodei. Journal of Fish Biology, 78 (3): 967-972.

(1) Watson, CT, SM Gray, M Hoffmann, KP Lubieniecki, JB Joy, BA Sandkam, D Weigel, E Loew, C Dreyer, WS Davidson, and F Breden. Gene duplication and divergence of long wavelength-sensitive opsin genes in the Guppy, Poecilia reticulata. Journal of Molecular Evolution 72 (2): 240-252.

* Denotes undergraduate co-author