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Videos de Conceptos Relacionados

Transcription01:10

Transcription

Overview
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...
Transcription01:10

Transcription

Overview
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...
Termination of Translation01:44

Termination of Translation

The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
Transcription01:17

Transcription

Transcription is the synthesis of 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 correctly synthesizing messenger RNA (mRNA). Transcriptional regulation is responsible for the differentiation of different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds of RNA Molecules
In eukaryotes,...
Termination of Translation01:44

Termination of Translation

The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
Transcription01:17

Transcription

Transcription is the synthesis of 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 correctly synthesizing messenger RNA (mRNA). Transcriptional regulation is responsible for the differentiation of different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds of RNA Molecules
In eukaryotes,...

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Video Experimental Relacionado

Updated: May 12, 2026

Virus-induced Gene Silencing (VIGS) in Nicotiana benthamiana and Tomato
06:34

Virus-induced Gene Silencing (VIGS) in Nicotiana benthamiana and Tomato

Published on: June 10, 2009

Pol V transcribe para hacer silencio.

Lucia Daxinger1, Tatsuo Kanno, Marjori Matzke

  • 1Gregor Mendel Institute of Molecular Plant Biology, Austrian Academy of Sciences, Vienna, Austria.

Cell
|November 18, 2008
PubMed
Resumen
Este resumen es generado por máquina.

A menudo se desconoce la función de los ARN largos no codificantes. La investigación en Arabidopsis muestra que la ARN polimerasa V que transcribe las regiones intergénicas ayuda en la formación de heterocromatina y el silenciamiento de genes.

Área de la Ciencia:

  • Biología molecular vegetal Biología molecular vegetal
  • La epigenética es la epigenética.
  • Biología del ARN no codificante.

Sus antecedentes:

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  • Las funciones biológicas de la mayoría de los ARN no codificantes largos (ARNlnc) son poco conocidas.
  • Investigar la función del lncRNA es crucial para avanzar en nuestro conocimiento de la regulación génica.