ArticleDevelopment (Cambridge, England)2021
Generation and timing of graded responses to morphogen gradients.
Article in Development (Cambridge, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed, 10 citations in OpenAlex.
- A live-cell biosensor of in vivo receptor tyrosine kinase activity reveals feedback regulation of a developmental gradient.Cell reports · 2025Article
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- Change in RhoGAP and RhoGEF availability drives transitions in cortical patterning and excitability in Drosophila.Current biology : CB · 2024Article
- Article
- The dynamics and biophysics of shape formation: Common themes in plant and animal morphogenesis.Developmental cell · 2023Review
- Change in RhoGAP and RhoGEF availability drives transitions in cortical patterning and excitability inbioRxiv : the preprint server for biology · 2023Article
- Dynamics of an incoherent feedforward loop drive ERK-dependent pattern formation in the early Drosophila embryo.Development (Cambridge, England) · 2023Article
- Dynamics of an incoherent feedforward loop drive ERK-dependent pattern formation in the earlybioRxiv : the preprint server for biology · 2023Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Morphogen gradients are known to subdivide a naive cell field into distinct zones of gene expression. Here, we examine whether morphogens can also induce a graded response within such domains. To this end, we explore the role of the Dorsal protein nuclear gradient along the dorsoventral axis in defining the graded pattern of actomyosin constriction that initiates gastrulation in early Drosophila embryos. Two complementary mechanisms for graded accumulation of mRNAs of crucial zygotic Dorsal target genes were identified. First, activation of target-gene expression expands over time from the ventral-most region of high nuclear Dorsal to lateral regions, where the levels are lower, as a result of a Dorsal-dependent activation probability of transcription sites. Thus, sites that are activated earlier will exhibit more mRNA accumulation. Second, once the sites are activated, the rate of RNA Polymerase II loading is also dependent on Dorsal levels. Morphological restrictions require that translation of the graded mRNA be delayed until completion of embryonic cell formation. Such timing is achieved by large introns, which provide a delay in production of the mature mRNAs. Spatio-temporal regulation of key zygotic genes therefore shapes the pattern of gastrulation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.