"Polyadenylation" Pronounce,Meaning And Examples
"Polyadenylation" Natural Recordings by Native Speakers
"Polyadenylation" Meaning
The process of adding a poly(A) tail to the 3' end of a messenger RNA (mRNA) molecule.In molecular biology, polyadenylation is a type of post-transcriptional modification that occurs in eukaryotic cells. After transcription of a gene, the initial RNA transcript undergoes processing and modification, which includes the addition of a poly(A) tail to the 3' end (three prime end) of the molecule.The poly(A) tail is a long sequence of adenine nucleotides, typically 50-250 adenines in length, which is added by a group of enzymes called poly(A) polymerases. The function of the poly(A) tail is to:1. Protect the mRNA from degradation: The poly(A) tail helps to prevent the mRNA from being degraded by exo-nucleases.2. Enhance translation: The poly(A) tail helps to recruit ribosomes to the mRNA, thereby increasing translation efficiency.3. Regulate mRNA stability: The length and structure of the poly(A) tail can influence the stability and export of the mRNA from the nucleus to the cytoplasm.Overall, polyadenylation is an essential step in the processing of mRNAs in eukaryotic cells.
"Polyadenylation" Examples
Example 1: Research ArticleThe process of polyadenylation occurs during the final stage of transcription, where a poly-A tail is added to the 3' end of the mRNA molecule.#Example 2: Scientific JournalPolyadenylation is a crucial step in the maturation of eukaryotic mRNA, ensuring its stability and translation efficiency in the cytoplasm.##Example 3: Lecture NotesIn the context of gene expression, polyadenylation is an essential aspect of post-transcriptional regulation, controlling the amount of mRNA available for translation.### Example 4: Thesis ProposalThe polyadenylation signal sequence (AAUAAA) plays a pivotal role in the recognition and cleavage of pre-mRNA by the poly-A addition complex.### Example 5: Textbook ExcerptPolyadenylation is closely linked to the 3' end processing of eukaryotic mRNA, involving the cleavage of the primary transcript and the subsequent addition of a poly-A tail.
Example 3: Lecture NotesIn the context of gene expression, polyadenylation is an essential aspect of post-transcriptional regulation, controlling the amount of mRNA available for translation.### Example 4: Thesis ProposalThe polyadenylation signal sequence (AAUAAA) plays a pivotal role in the recognition and cleavage of pre-mRNA by the poly-A addition complex.### Example 5: Textbook ExcerptPolyadenylation is closely linked to the 3' end processing of eukaryotic mRNA, involving the cleavage of the primary transcript and the subsequent addition of a poly-A tail.
"Polyadenylation" Similar Words
Polyacetal
Polyacetylene
Polyacetylene is a family of polymers with the chemical formula (C2H2)x, consisting of a chain of alternating double bonds between carbon atoms. It is a hydrocarbon polymer formed from the monomer acetylene (C2H2).The term "polyacetylene" refers to a class of polymers that have a repeating unit of CHCH in their backbone structure, which are formed by the copolymerization of acetylene. Polyacetylene is a semi-conductive polymer and has potential applications in the field of electronics and photonics.There are two primary forms of polyacetylene: cis-polyacetylene and trans-polyacetylene, which differ in the orientation of the double bonds along the polymer chain.
Polyacrylamide
Polyacrylate
A synthetic polymer used in a wide range of products, including:<em> Adhesives</em> Coatings<em> Paints</em> Sealants<em> Elastomers</em> EmulsionsPolyacrylate is often used as a binder, emulsifier, or plasticizer in various industries, such as construction, automotive, and consumer goods. It can be found in products like furniture varnishes, paper coatings, and tissue products.
Polyacrylonitrile
Polyacrylonitrile (PAN) is a synthetic polymer made from acrylonitrile monomers. It is a colorless, odorless, and crystalline solid. PAN is widely used in various applications due to its unique properties, which include:1. High strength: PAN has a high tensile strength, making it suitable for use in fibers, films, and other structural materials.2. Chemical resistance: PAN is resistant to many chemicals, including acids and bases, which makes it useful for applications where exposure to harsh chemicals is common.3. Thermal stability: PAN has a high thermal stability, which allows it to maintain its properties at high temperatures.4. Ultraviolet (UV) resistance: PAN is resistant to UV degradation, which makes it suitable for outdoor applications.Applications of polyacrylonitrile include:1. Fibers: PAN is used to produce fibers for clothing, carpets, and other textile products.2. Filtration: PAN is used in water filtration systems and filters for chemicals and other fluids.3. Adhesives: PAN is used in the production of acrylic adhesives and adhesives for industrial applications.4. Plastics: PAN is used to produce various types of plastics, including acrylics and nitriles.5. Carbon fibers: PAN is used as a precursor material to produce carbon fibers, which are used in aerospace and automotive applications.Overall, polyacrylonitrile is a versatile material with a wide range of applications due to its unique combination of properties.
Polyadenylated
Polyadenylic
Polyalcohol
A polyalcohol is a compound that contains multiple hydroxyl (-OH) groups attached to a central carbon atom. This group of compounds includes sugars, alcohols, and other organic compounds that have more than one hydroxyl group. Poly alcohols can exist as monomers, such as glycerol, or as higher molecular weight compounds, such as sugars like sucrose and starch.
Polyalphabetic
Polyalphabetic: A polyalphabetic cipher is a type of cipher where each character in the plaintext can be encrypted using different alphabets. This means that each substitution table is actually a 2D matrix that combines multiple alphabets, where each row represents a different alphabet and each column represents a shift for that alphabet.In other words, each letter in the plaintext is replaced by a letter a certain number of positions down the alphabet, which is determined by its position in the alphabet combined with a key. The polyalphabetic character can be useful for cryptographic purposes and is used in Caesar ciphers and Vigenère ciphers.
Polyamide
Polyamine
Polyamines
Polyamorist
Polyamorous