In genetics, a promoter is a region of DNA that initiates transcription of a particular gene. Promoters are located near the transcription start sites of genes, on the same strand and upstream on the DNA (towards the 5' region of the sense strand).
Promoters can be about 100–1000 base pairs long.
Overview
For transcription to take place, the enzyme that synthesizes RNA, known as RNA polymerase, must attach to the DNA near a gene. Promoters contain specific DNA sequences such as response elements that provide a secure initial binding site for RNA polymerase and for proteins called transcription factors that recruit RNA polymerase. These transcription factors have specific activator or repressor sequences of corresponding nucleotides that attach to specific promoters and regulate gene expression.
Promoters represent critical elements that can work in concert with other regulatory regions (enhancers, silencers, boundary elements/insulators) to direct the level of transcription of a given gene.
Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy. Modern biology is a vast and eclectic field, composed of many branches and subdisciplines. However, despite the broad scope of biology, there are certain general and unifying concepts within it that govern all study and research, consolidating it into single, coherent fields. In general, biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the synthesis and creation of new species. It is also understood today that all organisms survive by consuming and transforming energy and by regulating their internal environment to maintain a stable and vital condition.
Subdisciplines of biology are defined by the scale at which organisms are studied, the kinds of organisms studied, and the methods used to study them: biochemistry examines the rudimentary chemistry of life; molecular biology studies the complex interactions among biological molecules; botany studies the biology of plants; cellular biology examines the basic building-block of all life, the cell; physiology examines the physical and chemical functions of tissues, organs, and organ systems of an organism; evolutionary biology examines the processes that produced the diversity of life; and ecology examines how organisms interact in their environment.
This journal covers all topics related to biology. More detail about the journal and its scope is available in the first editorial. Research fields of interest include, but are not limited to:
Biology: The Unity and Diversity of Life is a college-level introductory biology textbook that covers basic biochemistry, anatomy, taxonomy, evolution, biotechnology and ecology. The book is designed to create in students a broad foundation of knowledge in biology and is frequently used in AP Biology classes in American high schools. Each book includes an interactive CD-ROM with links to additional instructional material. Like many textbooks new versions are printed every few years and reflect new gains in scientific knowledge. The book is published by Brooks/Cole and is currently in its twelfth edition. It was primarily compiled by Cecie Starr and Ralph Taggart with pictures and illustrations by Lisa Starr.
This video describes the concept behind the promoter elements and how it can lead to gene regulation
published: 26 Nov 2019
Promoter | Biology
In genetics, a promoter is a region of DNA that initiates the transcription of a particular gene. Promoters are located near the transcription start sites of genes, on the same strand, and upstream on the DNA (towards the 3'region of the antisense strand).
A promoter's contract is when a promoter becomes a part of a contract as a representative of a corporation to be formed. The promoter is considered to be liable to fulfill the obligations of the corporation. It happens in case the corporation is not formed or does not adopt the contract. At the time of signing the pre-incorporation contract, the corporation does not exist and thus, cannot be part of the contract.
#Promoter #Promoterbiology #dna #gene
For more videos, online classes, 24X7 Doubts solving and Mock tests, Visit Toppr - Th...
published: 14 Apr 2020
Gene Regulation and the Operon
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why this is essential for cellular function. Check out our FREE video handouts on http://www.amoebasisters.com/handouts!
⭐We have a menu of our resources that complement our videos! Visit https://docs.google.com/spreadsheets/d/1b3kmAzFEjWgoMKCrkeNCKFYunWk04IuLY93jI4OY0gY/edit?usp=sharing
The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: http://www.amoebasisters.com/about-us.html
REFERENCES:
We cover the basics in biology concepts at the secondary level. If you ...
This lecture explains the structure and function of TATA box found in the DNA promoter region in DNA transcription. The TATA box is a DNA sequence (cis-regulatory detail) determined in the promoter vicinity of genes in archaea and eukaryotes; roughly 24% of human genes contain a TATA box within the core promoter.
This video lecture explains the structure and position of the TATA box near the promoter region on the DNA.
For more information, log on to-
http://www.shomusbiology.com/
Get Shomu's Biology DVD set here-
http://www.shomusbiology.com/dvd-store/
Download the study materials here-
http://shomusbiology.com/bio-materials.html
Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented ...
published: 02 Jun 2015
Regulation of transcription | Biomolecules | MCAT | Khan Academy
Created by Tracy Kim Kovach.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/biomolecules/gene-control/v/post-translational-regulation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
Missed the previous lesson? https://www.khanacademy.org/test-prep/mcat/biomolecules/gene-control/v/dna-and-chromatin-regulation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
MCAT on Khan Academy: Go ahead and practice some passage-based questions!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to...
published: 27 Feb 2014
Promoters and Enhancers
AKTU Biotech 2 year GMB online videos
published: 31 Mar 2020
Promoters and Transcription (2016) IB Biology
7.2 Transcription and gene expression:Promoters and Transcription
Understanding that:
- Transcription require promoters; it is a region of DNA that initiates transcription of a particular gene.
-Promoters are located near the transcription start sites of genes
- Promoters are an example of non-coding DNA with a function
Link to video on non-coding DNA
http://www.youtube.com/watch?v=qaOP0y6cEls
published: 17 Jan 2016
Expression vectors | What is in an expression vector? | applications of expression vectors
This video describes the key features of expression vectors and compare it to a plasmid.
this video will clear up several questions like:
What is an example of expression vector?
Which is the most essential feature of expression vector?
What are expression vectors PPT?
How do you choose an expression vector?
Is pBR322 an expression vector?
What is the difference between cloning vector and expression vector?
please stay tuned for more
In genetics, a promoter is a region of DNA that initiates the transcription of a particular gene. Promoters are located near the transcription start sites of ge...
In genetics, a promoter is a region of DNA that initiates the transcription of a particular gene. Promoters are located near the transcription start sites of genes, on the same strand, and upstream on the DNA (towards the 3'region of the antisense strand).
A promoter's contract is when a promoter becomes a part of a contract as a representative of a corporation to be formed. The promoter is considered to be liable to fulfill the obligations of the corporation. It happens in case the corporation is not formed or does not adopt the contract. At the time of signing the pre-incorporation contract, the corporation does not exist and thus, cannot be part of the contract.
#Promoter #Promoterbiology #dna #gene
For more videos, online classes, 24X7 Doubts solving and Mock tests, Visit Toppr - The better learning app.
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In genetics, a promoter is a region of DNA that initiates the transcription of a particular gene. Promoters are located near the transcription start sites of genes, on the same strand, and upstream on the DNA (towards the 3'region of the antisense strand).
A promoter's contract is when a promoter becomes a part of a contract as a representative of a corporation to be formed. The promoter is considered to be liable to fulfill the obligations of the corporation. It happens in case the corporation is not formed or does not adopt the contract. At the time of signing the pre-incorporation contract, the corporation does not exist and thus, cannot be part of the contract.
#Promoter #Promoterbiology #dna #gene
For more videos, online classes, 24X7 Doubts solving and Mock tests, Visit Toppr - The better learning app.
#BetterLearning on the Toppr app, download now
Google Play: http://bit.ly/2vRBqcb
App Store: http://apple.co/2vpRAr9
Website: https://www.toppr.com/
Download Doubts on Chat App:
Android Play Store: http://bit.ly/2B6w7oy
iOS App Store: http://apple.co/2ziAA75
Facebook: https://www.facebook.com/beingToppr
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LinkedIn: https://www.linkedin.com/company/toppr-com/
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why th...
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why this is essential for cellular function. Check out our FREE video handouts on http://www.amoebasisters.com/handouts!
⭐We have a menu of our resources that complement our videos! Visit https://docs.google.com/spreadsheets/d/1b3kmAzFEjWgoMKCrkeNCKFYunWk04IuLY93jI4OY0gY/edit?usp=sharing
The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: http://www.amoebasisters.com/about-us.html
REFERENCES:
We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: https://openstax.org/details/books/biology
*Further Reading*
As our pinned comment mentions, we cover basics with the goal of inspiring curiosity for more! There are so many important details to explore. For example, the conversion of lactose to allolactose, the cAMP-CAP conversion that stimulates the RNA polymerase, or the names of the different genes and their individual functions. We also don't mention that there are other factors that can affect the activation of this operon (such as glucose levels). Check out this further reading suggestion in OpenStax Microbiology to learn more:
https://cnx.org/contents/[email protected]:LeWYNHAi@5/11-7-Gene-Regulation-Operon-Theory
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TRANSLATIONS:
Thank you so much to:
Anna Maria Rossolini for Italian subtitles!
Alisha Aggarwal for Hindi subtitles!
------------------------------------------
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: https://www.amoebasisters.com/pinkys-ed-tech-favorites/community-contributed-subtitles We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why this is essential for cellular function. Check out our FREE video handouts on http://www.amoebasisters.com/handouts!
⭐We have a menu of our resources that complement our videos! Visit https://docs.google.com/spreadsheets/d/1b3kmAzFEjWgoMKCrkeNCKFYunWk04IuLY93jI4OY0gY/edit?usp=sharing
The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: http://www.amoebasisters.com/about-us.html
REFERENCES:
We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: https://openstax.org/details/books/biology
*Further Reading*
As our pinned comment mentions, we cover basics with the goal of inspiring curiosity for more! There are so many important details to explore. For example, the conversion of lactose to allolactose, the cAMP-CAP conversion that stimulates the RNA polymerase, or the names of the different genes and their individual functions. We also don't mention that there are other factors that can affect the activation of this operon (such as glucose levels). Check out this further reading suggestion in OpenStax Microbiology to learn more:
https://cnx.org/contents/[email protected]:LeWYNHAi@5/11-7-Gene-Regulation-Operon-Theory
--------------------------------------------------------------------
Support Us? https://www.amoebasisters.com/support-us
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Handouts: https://www.amoebasisters.com/handouts.html
Comics: https://www.amoebasisters.com/parameciumparlorcomics
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TIPS FOR VIEWING EDU YOUTUBE VIDEOS:
Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc? https://www.amoebasisters.com/pinkys-ed-tech-favorites/10-youtube-tips-from-an-edu-youtuber-duo
MUSIC:
Music in this video is listed free to use/no attribution required from the YouTube audio library https://www.youtube.com/audiolibrary/music?feature=blog
COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.
TRANSLATIONS:
Thank you so much to:
Anna Maria Rossolini for Italian subtitles!
Alisha Aggarwal for Hindi subtitles!
------------------------------------------
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: https://www.amoebasisters.com/pinkys-ed-tech-favorites/community-contributed-subtitles We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.
This lecture explains the structure and function of TATA box found in the DNA promoter region in DNA transcription. The TATA box is a DNA sequence (cis-regulato...
This lecture explains the structure and function of TATA box found in the DNA promoter region in DNA transcription. The TATA box is a DNA sequence (cis-regulatory detail) determined in the promoter vicinity of genes in archaea and eukaryotes; roughly 24% of human genes contain a TATA box within the core promoter.
This video lecture explains the structure and position of the TATA box near the promoter region on the DNA.
For more information, log on to-
http://www.shomusbiology.com/
Get Shomu's Biology DVD set here-
http://www.shomusbiology.com/dvd-store/
Download the study materials here-
http://shomusbiology.com/bio-materials.html
Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology-
Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store
Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help
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Thank you for watching the video lecture on the TATA box.
This lecture explains the structure and function of TATA box found in the DNA promoter region in DNA transcription. The TATA box is a DNA sequence (cis-regulatory detail) determined in the promoter vicinity of genes in archaea and eukaryotes; roughly 24% of human genes contain a TATA box within the core promoter.
This video lecture explains the structure and position of the TATA box near the promoter region on the DNA.
For more information, log on to-
http://www.shomusbiology.com/
Get Shomu's Biology DVD set here-
http://www.shomusbiology.com/dvd-store/
Download the study materials here-
http://shomusbiology.com/bio-materials.html
Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology-
Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store
Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help
Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching
We are social. Find us on different sites here-
Our Website – www.shomusbiology.com
Facebook page- https://www.facebook.com/ShomusBiology/
Twitter - https://twitter.com/shomusbiology
SlideShare- www.slideshare.net/shomusbiology
Google plus- https://plus.google.com/113648584982732129198
LinkedIn - https://www.linkedin.com/in/suman-bhattacharjee-2a051661
Youtube- https://www.youtube.com/user/TheFunsuman
Thank you for watching the video lecture on the TATA box.
Created by Tracy Kim Kovach.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/biomolecules/gene-control/v/post-translational-regulation?utm_so...
Created by Tracy Kim Kovach.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/biomolecules/gene-control/v/post-translational-regulation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
Missed the previous lesson? https://www.khanacademy.org/test-prep/mcat/biomolecules/gene-control/v/dna-and-chromatin-regulation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
MCAT on Khan Academy: Go ahead and practice some passage-based questions!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s MCAT channel: https://www.youtube.com/channel/UCDkK5wqSuwDlJ3_nl3rgdiQ?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Created by Tracy Kim Kovach.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/biomolecules/gene-control/v/post-translational-regulation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
Missed the previous lesson? https://www.khanacademy.org/test-prep/mcat/biomolecules/gene-control/v/dna-and-chromatin-regulation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
MCAT on Khan Academy: Go ahead and practice some passage-based questions!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s MCAT channel: https://www.youtube.com/channel/UCDkK5wqSuwDlJ3_nl3rgdiQ?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
7.2 Transcription and gene expression:Promoters and Transcription
Understanding that:
- Transcription require promoters; it is a region of DNA that initiates...
7.2 Transcription and gene expression:Promoters and Transcription
Understanding that:
- Transcription require promoters; it is a region of DNA that initiates transcription of a particular gene.
-Promoters are located near the transcription start sites of genes
- Promoters are an example of non-coding DNA with a function
Link to video on non-coding DNA
http://www.youtube.com/watch?v=qaOP0y6cEls
7.2 Transcription and gene expression:Promoters and Transcription
Understanding that:
- Transcription require promoters; it is a region of DNA that initiates transcription of a particular gene.
-Promoters are located near the transcription start sites of genes
- Promoters are an example of non-coding DNA with a function
Link to video on non-coding DNA
http://www.youtube.com/watch?v=qaOP0y6cEls
This video describes the key features of expression vectors and compare it to a plasmid.
this video will clear up several questions like:
What is an example of...
This video describes the key features of expression vectors and compare it to a plasmid.
this video will clear up several questions like:
What is an example of expression vector?
Which is the most essential feature of expression vector?
What are expression vectors PPT?
How do you choose an expression vector?
Is pBR322 an expression vector?
What is the difference between cloning vector and expression vector?
please stay tuned for more
This video describes the key features of expression vectors and compare it to a plasmid.
this video will clear up several questions like:
What is an example of expression vector?
Which is the most essential feature of expression vector?
What are expression vectors PPT?
How do you choose an expression vector?
Is pBR322 an expression vector?
What is the difference between cloning vector and expression vector?
please stay tuned for more
In genetics, a promoter is a region of DNA that initiates the transcription of a particular gene. Promoters are located near the transcription start sites of genes, on the same strand, and upstream on the DNA (towards the 3'region of the antisense strand).
A promoter's contract is when a promoter becomes a part of a contract as a representative of a corporation to be formed. The promoter is considered to be liable to fulfill the obligations of the corporation. It happens in case the corporation is not formed or does not adopt the contract. At the time of signing the pre-incorporation contract, the corporation does not exist and thus, cannot be part of the contract.
#Promoter #Promoterbiology #dna #gene
For more videos, online classes, 24X7 Doubts solving and Mock tests, Visit Toppr - The better learning app.
#BetterLearning on the Toppr app, download now
Google Play: http://bit.ly/2vRBqcb
App Store: http://apple.co/2vpRAr9
Website: https://www.toppr.com/
Download Doubts on Chat App:
Android Play Store: http://bit.ly/2B6w7oy
iOS App Store: http://apple.co/2ziAA75
Facebook: https://www.facebook.com/beingToppr
Twitter: https://twitter.com/mytoppr
Instagram: https://instagram.com/mytoppr
LinkedIn: https://www.linkedin.com/company/toppr-com/
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why this is essential for cellular function. Check out our FREE video handouts on http://www.amoebasisters.com/handouts!
⭐We have a menu of our resources that complement our videos! Visit https://docs.google.com/spreadsheets/d/1b3kmAzFEjWgoMKCrkeNCKFYunWk04IuLY93jI4OY0gY/edit?usp=sharing
The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: http://www.amoebasisters.com/about-us.html
REFERENCES:
We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: https://openstax.org/details/books/biology
*Further Reading*
As our pinned comment mentions, we cover basics with the goal of inspiring curiosity for more! There are so many important details to explore. For example, the conversion of lactose to allolactose, the cAMP-CAP conversion that stimulates the RNA polymerase, or the names of the different genes and their individual functions. We also don't mention that there are other factors that can affect the activation of this operon (such as glucose levels). Check out this further reading suggestion in OpenStax Microbiology to learn more:
https://cnx.org/contents/[email protected]:LeWYNHAi@5/11-7-Gene-Regulation-Operon-Theory
--------------------------------------------------------------------
Support Us? https://www.amoebasisters.com/support-us
Our Resources:
Biology Playlist: https://www.youtube.com/playlist?list=PLwL0Myd7Dk1F0iQPGrjehze3eDpco1eVz
GIFs: https://www.amoebasisters.com/gifs.html
Handouts: https://www.amoebasisters.com/handouts.html
Comics: https://www.amoebasisters.com/parameciumparlorcomics
Unlectured Series: https://www.amoebasisters.com/unlectured
Connect with us!
Website: http://www.AmoebaSisters.com
Twitter: http://www.twitter.com/AmoebaSisters
Facebook: http://www.facebook.com/AmoebaSisters
Tumblr: http://www.amoebasisters.tumblr.com
Pinterest: http://www.pinterest.com/AmoebaSisters
Instagram: https://www.instagram.com/amoebasistersofficial/
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This lecture explains the structure and function of TATA box found in the DNA promoter region in DNA transcription. The TATA box is a DNA sequence (cis-regulatory detail) determined in the promoter vicinity of genes in archaea and eukaryotes; roughly 24% of human genes contain a TATA box within the core promoter.
This video lecture explains the structure and position of the TATA box near the promoter region on the DNA.
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Thank you for watching the video lecture on the TATA box.
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7.2 Transcription and gene expression:Promoters and Transcription
Understanding that:
- Transcription require promoters; it is a region of DNA that initiates transcription of a particular gene.
-Promoters are located near the transcription start sites of genes
- Promoters are an example of non-coding DNA with a function
Link to video on non-coding DNA
http://www.youtube.com/watch?v=qaOP0y6cEls
This video describes the key features of expression vectors and compare it to a plasmid.
this video will clear up several questions like:
What is an example of expression vector?
Which is the most essential feature of expression vector?
What are expression vectors PPT?
How do you choose an expression vector?
Is pBR322 an expression vector?
What is the difference between cloning vector and expression vector?
please stay tuned for more
In genetics, a promoter is a region of DNA that initiates transcription of a particular gene. Promoters are located near the transcription start sites of genes, on the same strand and upstream on the DNA (towards the 5' region of the sense strand).
Promoters can be about 100–1000 base pairs long.
Overview
For transcription to take place, the enzyme that synthesizes RNA, known as RNA polymerase, must attach to the DNA near a gene. Promoters contain specific DNA sequences such as response elements that provide a secure initial binding site for RNA polymerase and for proteins called transcription factors that recruit RNA polymerase. These transcription factors have specific activator or repressor sequences of corresponding nucleotides that attach to specific promoters and regulate gene expression.
Promoters represent critical elements that can work in concert with other regulatory regions (enhancers, silencers, boundary elements/insulators) to direct the level of transcription of a given gene.
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