The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Transient depletion of xDnmt1 leads to premature gene activation in Xenopus embryos
Open accessAbstract
In Xenopus laevis zygotic transcription begins at the midblastula transition (MBT). Prior to this the genome is organized into chromatin that facilitates rapid cycles of DNA replication but not transcription. Here we demonstrate that DNA methylation contributes to the overall transcriptional silencing before MBT. Transient depletion of the maternal DNA methyltransferase (xDnmt1) by anti sense RNA during cleavage stages is associated with a decrease in the genomic 5-methyl-cytosine content and leads to the activation of zygotic transcription approximately two cell cycles earlier than normal. Hypomethylation allows the early expression of mesodermal marker genes such as Xbra, Cerberus, and Otx2, which are subsequently down-regulated during gastrulation of the xDnmt1-depleted embryos. The temporal switch in gene expression may account for the appearance of body plan defects that we observe. Loss of xDnmt1 can be rescued by the coinjection of mouse or human Dnmt1 protein. These results demonstrate that DNA methylation has a role in the regulation of immediately early genes in Xenopus at MBT.
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Cites
Targeted mutation of the DNA methyltransferase gene results in embryonic lethality
Li, E., Bestor, T. H., & Jaenisch, R. (1992) · Cell · doi:10.1016/0092-8674(92)90611-f · Cited by 3,984
A major developmental transition in early xenopus embryos: II. control of the onset of transcription
Newport, J., & Kirschner, M. (1982) · Cell · doi:10.1016/0092-8674(82)90273-2 · Cited by 1,055
De novo DNA cytosine methyltransferase activities in mouse embryonic stem cells
Lei, H., Oh, S. P., Okano, M., Jüttermann, R., Goss, K. A., Jaenisch, R., & Li, E. (1996) · Development · doi:10.1242/dev.122.10.3195 · Cited by 816
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“The symmetrical injection of antisense xDnmt1 RNA into both blastomeres at two-cell stage and the ectopic injection into a single animal dorsal blastomere (D1) showed that Cerberus and Xbra transcripts appear in nonoverlapping population of cells and that their patterns of expression greatly resemble that of normal ga…”
BackgroundMethodInfluential
Cited by
DNA methylation patterns and epigenetic memory
Bird, A. (2002) · Genes & Development · doi:10.1101/gad.947102 · Cited by 7,124
Jaenisch, R., & Bird, A. (2003) · Nature Genetics · doi:10.1038/ng1089 · Cited by 6,325
Epigenetic Reprogramming in Mammalian Development
Reik, W., Dean, W., & Walter, J. (2001) · Science · doi:10.1126/science.1063443 · Cited by 3,078
Loss of genomic methylation causes p53-dependent apoptosis and epigenetic deregulation
Jackson-Grusby, L., Beard, C., Possemato, R., Tudor, M., Fambrough, D., Csankovszki, G., Dausman, J., Lee, P., Wilson, C., Lander, E., et al. (2001) · Nature Genetics · doi:10.1038/83730 · Cited by 694
Mechanisms regulating zygotic genome activation
Schulz, K. N., & Harrison, M. M. (2019) · Nature Reviews Genetics · doi:10.1038/s41576-018-0087-x · Cited by 555
Metadata
- Authors
- Stancheva, I., & Meehan, R. R.
- Venue
- Genes & Development
- Publisher
- Cold Spring Harbor Laboratory
- Published
- 2000-02-01
- Volume
- 14
- Issue
- 3
- Pages
- 313-327
- ISSN
- 0890-9369 (ISSN-L)
- 1549-5477
- OpenAlex
- W2128443138
- Cited by
- 184
- References
- 4
- Type
- posted content
- Language
- en
- Status
- Retracted
- Open access
- diamond
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- Stancheva, I., & Meehan, R. R. (2000). Transient depletion of xDnmt1 leads to premature gene activation in Xenopus embryos. Genes & Development. https://doi.org/10.1101/gad.14.3.313
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