Cascading periods of language-related brain plasticity across early childhood

By analyzing Hurst exponent dynamics across two large developmental datasets, this study reveals a cascading pattern of neural plasticity in language-related brain regions, where earlier maturation in posterior and thalamic areas underlies early sensitive periods, while slower cortical increases in skilled children and plateauing around age nine suggest a neural basis for protracted plasticity and subsequent declines in syntax learning.

Ellwood-Lowe, M. E., Nishio, M., Dufford, A. E. + 3 more2026-03-27📄 developmental biology

Stage-specific metabolic rewiring coordinates nucleotide supply and demand during spermatogenesis

This study reveals that spermatogenesis involves a stage-specific metabolic rewiring where early prophase cells prioritize de novo nucleotide synthesis via glutamine and fatty acid oxidation to build a reserve, while late prophase cells suppress biosynthesis and rely on these pre-synthesized pools to fuel a surge in RNA production.

Paz, G. B., Mayorek, N., Mansour, Y. + 9 more2026-03-26📄 developmental biology

Uncovering zebrafish embryonic proteome dynamics across 16 time points during the first 24 hours of development

This study presents a high-resolution proteomic atlas of zebrafish embryonic development across 16 time points, revealing distinct protein expression clusters, identifying chromosome 4-localized zinc finger transcription factors active during zygotic genome activation, and highlighting significant discordance between transcript and protein dynamics while confirming temporal stability for fundamental biological processes.

Fang, F., Poulos, W., Yue, y. + 4 more2026-03-26📄 developmental biology

Natural variation in transplacental transfer efficiency exposes distinct transcriptional network architectures of PFAS effects on birth weight and gestational age

By leveraging natural variation in transplacental transfer efficiency and utilizing isoform-resolved placental transcriptomics, this study reveals that perinatal outcomes like birth weight and gestational age are driven by distinct co-expression network architectures rather than simple gene expression changes, with birth weight specifically showing a dose-dependent increase in network centrality and compartmentalization that is masked by traditional gene-level aggregation.

Bresnahan, S. T., Yong, H. E. J., Drelichman, M. G. + 10 more2026-03-25📄 developmental biology

The glp-1 3' untranslated region regulates germline proliferation and promotes reproductive fecundity through multiple mechanisms

This study reveals that while individual disruptions of the RNA-binding proteins POS-1 or GLD-1 binding to the *glp-1* 3'UTR have minimal effects, the simultaneous elimination of both binding sites significantly impairs reproductive fecundity by disrupting the robust post-transcriptional regulation required for optimal germline proliferation and embryogenesis.

Coskun, P., Ryder, S. P.2026-03-25📄 developmental biology

Distinct signaling center and progenitor identity dynamics initiate human forebrain patterning

By comparing early mouse and human forebrains using single-cell transcriptomics and 3D spatial imaging, this study reveals that human-specific telencephalic patterning initiates as early as the fourth post-conception week through delayed ventral SHH signaling and an anterior FGF signature, which collectively drive distinct progenitor identity allocation and reduced diversity compared to mice.

Azizi, A., Fakhreddine, D., Hamid, F. + 4 more2026-03-25📄 developmental biology