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Updated: May 8, 2026
14:17
Nuclear Transfer into Mouse Oocytes
Published on: November 30, 2006
Nuclear Wave1 is required for reprogramming transcription in oocytes and for normal development
Kei Miyamoto1, Marta Teperek, Kosuke Yusa
1Wellcome Trust/Cancer Research UK Gurdon Institute, The Henry Wellcome Building of Cancer and Developmental Biology, Cambridge, UK. k.miyamoto@gurdon.cam.ac.uk
Science (New York, N.Y.)
|August 31, 2013
Summary
Xenopus Wave1 is a nuclear protein essential for reprogramming somatic cell DNA and activating genes during embryonic development. Its absence causes developmental defects and hinders gene activation.
Area of Science:
- Developmental biology
- Molecular biology
- Cell biology
Background:
- Eggs and oocytes reprogram sperm and somatic nuclei, crucial for development.
- Nuclear actin and actin-binding proteins are implicated in transcription but their roles are unclear.
Purpose of the Study:
- To investigate the role of Xenopus Wave1 in transcriptional reprogramming and embryonic development.
Main Methods:
- Wave1 localization in oocyte nucleus.
- Wave1 knockdown in Xenopus embryos.
- Analysis of Hox gene activation and developmental abnormalities.
- Investigating Wave1 binding to transcription machinery.
Main Results:
- Xenopus Wave1 is present in the oocyte nucleus and is vital for transcriptional reprogramming.
- Wave1 knockdown leads to abnormal development and impaired Hox gene activation.
- Nuclear Wave1 interacts with active transcription factors and RNA polymerase II.
Conclusions:
- Wave1 is identified as a maternal reprogramming factor.
- Wave1 plays a critical role in gene activation during development.
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01:17Transcription
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01:10Transcription
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Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...