A structural backbone with sequestered plasticity organizes the Escherichia coli pangenome

Yi-Fei Lu, Guang-Hong Zuo, Xiao-Yang Zhi · 2026

Read A structural backbone with sequestered plasticity organizes the Escherichia coli pangenome by Yi-Fei Lu, Guang-Hong Zuo, Xiao-Yang Zhi (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13386857.txt.

Description

Yi-Fei Lu, Guang-Hong Zuo, and Xiao-Yang Zhi build a fast, alignment-free way to map the E. coli pangenome in 2026 work. Their tool, CVNet, groups genes by composition vectors and clustering, scaling almost linearly with genome count. Applied to 1,200 complete E. coli genomes, it let the team ask where genes sit, not just which exist.

Core genes formed a stiff, modular backbone tilted toward the chromosome's replication origin. Over 99 percent of accessory genes and islands sat tucked between core genes at the weakest links in that scaffold. The authors call this sequestered plasticity: change is boxed into hotspots so the core stays intact.

Catalog record

CREATORYi-Fei Lu, Guang-Hong Zuo, Xiao-Yang Zhi
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE49922
LICENSEhttps://creativecommons.org/licenses/by/4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/article/MED/PMC13386857

Browse the full library · About the Tower of Babel