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References and links to papers published by the lab.

(Bold indicates past or present lab members)

In Press

(32) Metzger DCH, Porter I, Mobley B, Sandkam BA, Fong LJM, Anderson AP, Mank JE. Transposon wave remodelled the epigenomic landscape in the rapid evolution of a novel X chromosome dosage compensation mechanism. Genome Research. doi: 


(31) Prior NH, Haakenson CM, Clough S, Ball GF, Sandkam BA. Varied Impacts of Social Relationships on Neuroendocrine State. Hormones and Behavior. 155:105403.

(30) Fong LJM, Darolti I, Metzger DCH, Morris J, Lin Y, Sandkam BA, Mank JE. Parsimony and Poeciliid Sex Chromosome Evolution. Genome Biology and Evolution. 15(3):evad030. 

(29) Darolti I, Fong LJM, Sandkam BA, Metzger DCH, Mank JE. Sex Chromosome Heteromorphism and the Fast-X Effect in Poeciliids. Molecular Ecology. doi:

(28) Fong JM, Darolti I, Metzger DCH, Morris J, Lin Y, Sandkam BA, Mank JE. Evolutionary history of the Poecilia picta sex chromosomes. Genome Biology and Evolution. doi:

(27) Nandamuri SP, Schulte J, Yourick M, Sandkam BA, Schreiner M, Dayanim Mm Sweatt G, Conte Mm Juntti S, Carleton CA. A second locus contributing to the differential expression of the blue sensitive opsin SWS2A in Lake Malawi cichlids. Hydrobiologia. 15(9):evad128. doi:


(26) Fuller RC, McGhee KE, Sandkam BA, Schrader M, Travis J. Polyphenisms and polymorphisms: genetic variation in plasticity and color variation within and among bluefin killifish populations. Evolution. 76: 1590-1606. doi:

(25) Lin Y, Darolti I, Furman BLS, Almeida P,  Sandkam BA, Breden F, Wright AE, Mank JE. Sexual conflict over survival In Trinidadian Guppies. Molecular Ecology. 31: 1853-1863. doi:


(24) 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. Nature Ecology & Evolution. 5:939-948. doi:


(23) Metzger DCH, Sandkam BA, Darolti I, Mank JE. Rapid evolution of complete dosage compensation in Poecilia. Genome Biology and Evolution. 13(7):evab155.  doi:

(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 38(2):619–633. 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:





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(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, Dalton B, Breden F, Carleton K. 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, Cont M, Sandkam B, Ziegelbecker A, Koblmuller S, Kocher T. Novel sex chromosomes in three cichlid fishes from Lake Tanganyika. Journal of Heredity 109(5):489-500.


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

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


(10) Sandkam BA, Deere-Machemer KA, Johnson AM, Grether GF, Rodd FH, Fuller RC. 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, Losie JA, Rahim T, Schmidt KL, Sandkam BA, Ma C, Silversides FG, Soma KK. Locally elevated cortisol in lymphoid organs of developing altricial but not precocial birds. Developmental & Comparative Immunology 54(1): 116-125.


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

(7) Sandkam BA, Young CM, Breden F. 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, Sandkam BA, Breden F, Sih A. Plasticity of vision and behaviour may help guppies overcome human disturbance. Journal of Comparative Physiology A 201:1125–1135 

(5) Lindholm A, Sandkam BA, Pohl K, Breden F. 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, Plumb AW, Ma C, Sandkam BA, Close DA, Abraham N, Soma KK. Steroid profiling reveals widespread local regulation of glucocorticoid levels during mouse development. Endocrinology 156 (2): 511-522.


(3) Sandkam BA, Joy JB, Watson CT, Gonzales-Bendicksen P, Gabor CR, Breden F. 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, Fuller RC. The effects of water depth and light on oviposition and egg cannibalism in the Bluefin Killifish Lucania goodeiJournal of Fish Biology 78 (3): 967-972.

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

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