Tris Dodge
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tododge.bsky.social
Tris Dodge
@tododge.bsky.social
PhD candidate with Molly Schumer | balancing selection, hybridization, structural variation | 🐟🦎🌻🧬👨‍💻

www.tododge.com
Here are three Northern Swordtail genomes where we think LG21 is the sex chrom.

Xiphophorus birchmannni: www.cell.com/current-biol...

X. malinche: www.nature.com/articles/s41...

X. cortezi: journals.plos.org/plosbiology/...
Structural genomic variation and behavioral interactions underpin a balanced sexual mimicry polymorphism
The false gravid spot is a sexual mimicry polymorphism that allows males to mimic females. Dodge et al. link the phenotype to structural variation that increases expression of the nearby kitlga gene. ...
www.cell.com
November 21, 2025 at 3:20 PM
We’ve had success with this hybrid approach, but preliminarily >40x ONT UL alone also seems to get us near T2T. Genome is 720mb. Didn’t collect HiC for this individual and scaffolded to an existing reference
April 19, 2025 at 4:28 PM
Black are gaps (contig breaks) and red are telomeres!
April 19, 2025 at 3:03 PM