関連する実験動画

Updated: Jul 17, 2026

Genetic Modification and Recombination of Salivary Gland Organ Cultures
09:29

Genetic Modification and Recombination of Salivary Gland Organ Cultures

Published on: January 28, 2013

哺乳類のテロメアのストランド固有の複製後処理

S M Bailey1, M N Cornforth, A Kurimasa

  • 1Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87544, USA.

Science (New York, N.Y.)
|September 29, 2001
PubMed
まとめ

テロメアは染色体の末端を保護する. テロメア重複結合因子2 (TRF2) とDNA依存タンパク質キナーゼ (DNA-PK) はテロメア機能に不可欠であり,TRF2媒介のエンドキャピングは,リードストランド合成テロメアの複製後に発生する.

キーワード:
非プログラム的なものです.

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Overview
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Reproductive Cloning

Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
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Reproductive Cloning01:27

Reproductive Cloning

Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic cell—any cell that is not a sex...
Cloning of Dolly the Sheep01:08

Cloning of Dolly the Sheep

The first successfully cloned mammal was Dolly, a sheep, born on 5th July 1996 at Roslin Institute, Scotland. The cloned sheep was named after the American singer Dolly Parton. Dolly lived for seven years and died of respiratory complications, which is speculated to be due to the actual age of her DNA. Because the DNA in cloned cells belongs to an older individual,  the cloned individual’s life expectancy may be affected. Indeed, analysis of Dolly’s DNA revealed shorter telomeres than other...