Author

J. J. Baczenas

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Evolutionary Biology· 4 Microbiology· 1

Signature Assays, Organisms & Methods

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Research Focus:chromatin & epigenetic regulation· 3 Approach:experimental assay· 3 Research Focus:host-pathogen & immune response· 3 Approach:statistical model· 3 Research Focus:development & morphogenesis· 2 Assay:proteomics· 2 Organism:Xenopus· 2 Organism:zebrafish· 2

Frequent Co-Authors

D. L. Powell· 4 shared M. Schumer· 4 shared C. Y. Payne· 3 shared T. R. Gunn· 3 shared B. M. Moran· 2 shared M. Morris· 2 shared M. Schartl· 2 shared O. Rios-Cardenas· 2 shared

Activity by Year

2021-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 41 mutual co-author links

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4 shared papersEvolutionary Biology

D. L. Powell

Mutual co-authors in cluster

Author profile →

5 papers

Recent·Most cited

Recent evolution of large offspring size and post-fertilization nutrient provisioning in swordtails

C. Y. Payne, D. Ly, R. A. Rodriguez-Soto, D. L. Powell, N. D. Robles, T. R. Gunn, J. J. Baczenas, A. J. Bergman, A. C. Pollock, B. M. Moran, J. C. Baker, D. Reznick, M. Schumer

This study compares reproductive strategies between two swordtail fish species, finding that X. malinche produces larger, more resilient offspring through extended post-fertilization nutrient provisioning.

Proceedings of the Royal Society B: Biological Sciences · Feb 11, 2026Peer-reviewedEvolutionary Biology

Genome evolution is surprisingly predictable after initial hybridization

Q. K. Langdon, J. S. Groh, S. Aguillon, D. L. Powell, T. R. Gunn, C. Y. Payne, J. J. Baczenas, A. Donny, T. O. Dodge, K. Du, M. Schartl, O. Rios-Cardenas, C. Gutierrez-Rodriguez, M. Morris, M. Schumer

The paper shows that local ancestry in hybrid swordtail fish populations is repeatable due to strong early selection, and this repeatability increases with deeper evolutionary divergence.

bioRxiv · Dec 21, 2023 · PreprintEvolutionary Biology

Recurrent evolution of small body size and loss of the sword ornament in Northern Swordtail fish

G. A. Preising, T. Gunn, J. J. Baczenas, A. Pollock, D. L. Powell, T. O. Dodge, J. A. Machin Kairuz, M. L. Savage, Y. Lu, M. Fitschen-Brown, M. Cummings, S. Thakur, M. Tobler, O. Rios-Cardenas, M. Morris, M. Schumer

The paper uses whole-genome sequencing to resolve phylogenetic relationships in Xiphophorus fish, revealing recurrent loss of sexually selected traits like body size and sword ornaments.

bioRxiv · Dec 24, 2022Evolutionary Biology

Zika virus infection of pregnant Ifnar1-/- mice triggers strain-specific differences in fetal outcomes

E. K. Bohm, J. T. Vangorder-Braid, A. S. Jaeger, R. V. Moriarty, J. J. Baczenas, N. C. Bennett, S. L. O'Connor, M. K. Fritsch, N. A. Fuhler, K. K. Noguchi, M. Aliota

This study compares fetal outcomes in pregnant Ifnar1-/- mice infected with different ZIKV strains, finding strain-specific differences in fetal demise rates.

Journal of Virology · Oct 13, 2021Peer-reviewedMicrobiology

A Lethal Genetic Incompatibility between Naturally Hybridizing Species in Mitochondrial Complex I

B. M. Moran, C. Y. Payne, D. L. Powell, E. N. Iverson, A. E. Donny, S. M. Banerjee, Q. K. Langdon, T. R. Gunn, R. A. Rodriguez-Soto, A. Madero, J. J. Baczenas, K. M. Kleczko, F. Liu, R. Matney, K. Singhal, , M. Schumer

The paper identifies a lethal mitonuclear incompatibility in swordtail fish hybrids involving three Complex I genes, showing non-additive genetic effects and inter-species transfer of incompatibility.

bioRxiv · Jul 13, 2021 · PreprintEvolutionary Biology