Genetics is the fascinating study of how traits are passed down and how our DNA shapes everything from eye color to disease risk. At Gist.Science, we bring you the very latest discoveries in this dynamic field directly from bioRxiv, the leading preprint server for biology. Because these findings appear months before formal publication, staying updated requires sifting through complex data that often feels inaccessible to non-specialists.

To bridge that gap, our team processes every new genetics preprint uploaded to bioRxiv, transforming dense scientific reports into clear, plain-language explanations alongside detailed technical summaries. This dual approach ensures that whether you are a seasoned researcher or simply curious about how genes work, you can grasp the core insights without getting lost in jargon. Below are the latest papers in genetics, curated and simplified for your reading.

🧬 genetics

Granulin loss and TMEM106B risk converge on lysosomal C-terminal fragment pathology in frontotemporal dementia

This study reveals that granulin deficiency drives the lysosomal accumulation of a pathogenic TMEM106B C-terminal fragment, a process mitigated by protective TMEM106B alleles through dimerization and reversible by progranulin supplementation, thereby elucidating the mechanistic link between these genes in frontotemporal dementia.

Zeng, Y., Xiong, J., Lovchykova, A., Song, A., Gitler, S. W., Abu-Remaileh, M., Gitler, A. D.2026-03-26
🧬 genetics

Subsistence transition preceded population turnover in the eastern Colombian Andes

Genome-wide analysis of 209 ancient individuals from the eastern Colombian Andes reveals that a subsistence transition to maize cultivation occurred without population replacement among long-standing local hunter-gatherers, while a distinct genetic turnover associated with the emergence of the Herrera culture approximately 2,200 years ago was driven by the migration of new groups with mixed Amazonian and Chibchan-related ancestry.

Sirak, K., Delgado, M., Triana, A., Rivas, S., Argüello, P., Boada, A. M., Rivera-Sandoval, J., Pena, G., Langebaek, C. (…)2026-03-25
🧬 genetics

A comparative dataset on population genetics, traits, and distributions for nineteen Caribbean tree species

This paper presents a comprehensive comparative dataset for 19 Caribbean tree species, integrating high-density SNP genetic data from SLAF-seq with functional traits, geographic distributions, and climatic associations to address the scarcity of genetic information in tropical biodiversity hotspots.

Moro, L., Milesi, P., Cabrera Garcia, B., Clase, T., Borras Sayas, F., Gibney, E., Pina, Y., Uriarte, M., Muscarella, R.2026-03-24
🧬 genetics

Evolutionary and functional genomics reveal that Ralstonia wilt pathogens actively deploy antimicrobial warfare while leveraging physiological adaptations during plant infection

By integrating high-throughput RB-TnSeq fitness screens in tomato plants with comparative evolutionary genomics, this study reveals that *Ralstonia solanacearum* pathogens rely on both conserved physiological adaptations and strain-specific antimicrobial warfare mechanisms, including Type VI secretion systems, to thrive within the plant vascular niche.

Aoun, N., Georgoulis, S. J., Deutschbauer, A., Lowe-Power, T.2026-03-22
🧬 genetics

Two ancient nuclear lineages and divergent reproductive strategies drive global success of the wheat stripe rust pathogen

Population-genomic analysis of 507 global isolates reveals that the wheat stripe rust pathogen's global success is driven by two ancient nuclear lineages that diverged before modern agriculture, forming distinct homozygous and globally dominant heterokaryotic hybrid populations that utilize both clonal expansion with somatic nuclear exchange and sexual recombination to achieve convergent evolutionary adaptation.

Wang, J., Xu, Y., Li, Z., Zhan, G., Zhan, J., Kang, Z., Zhao, J.2026-03-20
🧬 genetics

Genomic Informational Field Theory (GIFT) to identify genetic associations of a complex trait using a small sample size

This paper introduces Genomic Informational Field Theory (GIFT), a novel method that enables the identification of genetic associations for complex traits with high precision using small sample sizes, as demonstrated by its successful application to uncover insulin-related genetic loci influencing pony height.

Kyratzi, P., Gadsby, S., Knowles, E., Harris, P., Menzies-Gow, N., Elliott, J., Paldi, A., Wattis, J., Rauch, C.2026-03-19
🧬 genetics

Holistic meta-analysis of Caenorhabditis elegans germ granule proteomics reveals complex dynamics and new candidate granule associated proteins

This paper presents a holistic meta-analysis of *C. elegans* germ granule proteomics data, revealing low reproducibility in individual interaction screens due to the dynamic nature of these condensates and introducing a novel algorithmic approach to robustly identify granule-associated proteins and map their complex organizational dynamics.

Wills, C., Ashe, A.2026-03-19
🧬 genetics

CETP alternative splicing variation impacts human traits

This study demonstrates that analyzing CETP's alternative splicing isoforms, rather than just the protein as a whole, reveals critical tissue-specific genetic regulations and causal impacts on human traits, including cardiovascular disease and endocrine functions, while suggesting that previously observed epistatic interactions may be mediated through splicing mechanisms.

Gamache, I., Legault, M.-A., Grenier, J.-C., Rheaume, E., Tardif, J.-C., Dube, M.-P., Hussin, J.2026-03-18