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Julia Horsfiled and the Zebrafish tanksDirector
BSc (Hons), PhD, DipAppSci

Professor Julia Horsfield is a developmental geneticist based in the Department of Pathology at the University of Otago.

Julia leads a research group investigating the role of chromosome structure in animal development and cancer. Her specific research interest lies in cohesin proteins, which are present in all animals and important for cell division and DNA repair. As the name implies, cohesin proteins' main function is to hold replicated chromosomes together until cells divide. However, they are also involved in gene expression and this is where Julia's research focus lies, particularly in relation to Cornelia de Lange and Roberts syndromes.

Julia has worked with zebrafish as her model animal for the past 12 years. She moved from the University of Auckland to the University of Otago in 2007, introducing Otago researchers to zebrafish in the process. Her enthusiasm for the zebrafish animal model has attracted several senior researchers and their teams to zebrafish and this has ultimately led to the development of the new state-of-the-art facility.

Publications

Ray, S., Sullivan, R., Ruegg, M., Gimenez, G., Horsfield, J., Poke, G., … Bicknell, L. (2024). The spliceosomal factor CRNKL1 is a novel disease gene required for brain development. European Journal of Human Genetics, 32(Suppl. 2), C04.1. doi: 10.1038/s41431-024-01732-6 Journal - Research Article

Antony, J., Gimenez, G., Kalev-Zylinska, M., Morison, I., Bohlander, S., Hunter, F. W., … Horsfield, J. A. (2024, August-September). Targeting cohesin mutations in leukaemia to identity druggable avenues. Verbal presentation at the Queenstown Research Week (QRW) Cancer Meeting, Queenstown, New Zealand. Conference Contribution - Verbal presentation and other Conference outputs

Talosaga, M., Darroch, H., Horsfield, J., & Leask, M. (2024, August-September). Investigating the function of the type-2-diabetes gene JAZF1 in alternative tissues. Poster session presented at the 18th New Zealand Medical Sciences Congress (MedSci), Queenstown, New Zealand. Conference Contribution - Poster Presentation (not in published proceedings)

Darroch, H., Mosimann, C., Lalonde, R., Calhoun, C., Morice, E., Ledgerwood, E., … Stamp, L., Merriman, T., Horsfield, J., Wilcox, P., & Leask, M. (2024, August-September). Novel ‘omics and molecular pipelines in zebrafish for precision medicine for and by Māori. Verbal presentation at the 18th New Zealand Medical Sciences Congress (MedSci), Queenstown, New Zealand. Conference Contribution - Verbal presentation and other Conference outputs

Gimenez, G., Kalev-Zylinska, M. L., Morison, I., Bohlander, S. K., Horsfield, J. A., & Antony, J. (2024). Cohesin rad21 mutation dysregulates erythropoiesis and granulopoiesis output within the whole kidney marrow of adult zebrafish. American Journal of Physiology: Cell Physiology. Advance online publication. doi: 10.1152/ajpcell.00657.2024 Journal - Research Article

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