Gene module reconstruction elucidates cellular differentiation processes and the regulatory logic of specialized secretion.

ABSTRACT: During differentiation, cells become structurally and functionally specialized, but comprehensive views of the underlying remodeling processes are elusive. Here, we leverage scRNA-seq developmental trajectories to reconstruct differentiation using two secretory tissues as a model system - the zebrafish notochord and hatching gland. First, we present an approach to integrate expression and functional similarities for gene module identification, revealing dozens of gene modules representing known and newly associated differentiation processes and their temporal ordering. Second, we focused on the unfolded protein response (UPR) transducer module to study how general versus cell-type specific secretory functions are regulated. By profiling loss- and gain-of-function embryos, we found that the

SUBMITTER: Wang Y 

PROVIDER: S-EPMC10793473 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature