Diego Calderon

@diegoisworking.bsky.social

Assistant Professor at UCSF | CZ Biohub – SF Investigator https://diego-calderon-lab.github.io https://pharmacy.ucsf.edu/diego-calderon

@roshnipatel.bsky.social and I wrote about using biobanks to learn about evolution, and how those findings shape interpretations of association studies. We focused on estimating evolutionary constraint and relating relating selection on variants to selection on traits and include open questions.

arXiv q-bio.PE Populations and Evolution@qbiope-bot.bsky.social · 4w ago

Jeffrey P. Spence, Roshni A. Patel: Insights into human evolution from large genetic biobanks https://arxiv.org/abs/2609.12297 https://arxiv.org/pdf/2609.12297 https://arxiv.org/html/2609.12297

Please repost: My department (quantitative and computational biology at the University of Southern California) is hiring a teaching-track faculty member. The new hire will focus on teaching statistics courses to biology students. Apply by Dec 1 usccareers.usc.edu/job/los-ange...

Full-Time, Teaching-Track Faculty Position in Quantitative and Computational Biology at USC

Learn more about applying for Full-Time, Teaching-Track Faculty Position in Quantitative and Computational Biology at USC

usccareers.usc.edu

Proud to see this paper lead by my amazing student Regan finally out in the world! Using chemical biology approaches, we reveal a transcriptionally silent process by which macrophages acquire new functional proteins from the surface of interacting cells.

Emily Goldberg@dremilygoldberg.bsky.social · last mo.

Really excited to see this paper from @balynzaro.bsky.social finally out!!! Membrane proteins from phagocytosed cells get redeployed to the macrophage cell surface. And they're functional!!! www.nature.com/articles/s41...

What if an embryo made immune cells before it finished building the tissue they usually come from? In our new preprint, we show that annual killifish embryos specify neutrophils before germ layers are fully resolved. www.biorxiv.org/content/10.6... Huge thanks to my PI, @ohnolog.bsky.social ! 🧵

Early immune cell development precedes gastrulation in annual killifish

During embryogenesis, cell types arise in a predictable order because developmental regulators act sequentially. But how evolutionary changes in morphogenesis reshape the signaling environments that a...

biorxiv.org

Over a year ago, along with Gary Churchill at Jackson Labs, we explored the impact of dietary restriction on lifespan in one of the largest studies using 960 female Diversity Outbred mice. Caloric restriction and intermittent fasting both extended lifespan proportionally to the level of restriction.

Three years ago, we showed ~70% of lifespan variation in yeast traces to rDNA copy number. Ribosomal DNA, encoded as 5S and 45S subunits in hundreds of copies, vary substantially across humans. Does this copy number variation, and sequence variation within these paralogs, matter for humans?

Super cool paper from Sheel Chandra + Ziyue Gao. kmer context matters a lot for mutability of both methylated and unmethylated CpGs. But!! the effect of kmer context on unmethylated CpGs is basically independent of the effect of kmer context on methylated CpGs! www.biorxiv.org/content/10.1...

Sequence context and methylation interact to shape germline mutation rate variation at CpG sites

A prominent example of sequence context-dependent mutation rate variation is the elevated transition rate at CpG sites, which is largely attributed to cytosine methylation. CpGs with different flankin...

biorxiv.org

How do GWAS and rare variant burden tests rank gene signals? In new work @nature.com with @hakha.bsky.social, @jkpritch.bsky.social, and our wonderful coauthors we find that the key factors are what we call Specificity, Length, and Luck! 🧬🧪🧵 www.nature.com/articles/s41...

Specificity, length and luck drive gene rankings in association studies - Nature

Genetic association tests prioritize candidate genes based on different criteria.

nature.com

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