"Polyadenylic" Pronounce,Meaning And Examples
"Polyadenylic" Natural Recordings by Native Speakers
"Polyadenylic" Meaning
Polyadenylic refers to a type of nucleotide sequence consisting of a long chain of adenylate residues. In molecular biology, it is particularly relevant in the context of RNA molecules.More specifically, a polyan adenylate (polyA) tail is a long chain of A residues that are added to the 3' end of an mRNA (messenger RNA) molecule, usually after RNA synthesis has been completed. This process, known as polyadenylation, is important for the stabilization and stabilization of the mRNA molecule, allowing it to be efficiently exported from the nucleus and translated into protein.The polyA tail helps to protect the mRNA from degradation by the enzyme RNase H, which breaks down RNA molecules that lack a 3'-polyA tail. It also plays a role in the transport of mRNA from the nucleus to the cytoplasm, where translation of the encoded protein takes place. The length of the polyA tail can vary from 10 to over 250 adenylate residues, depending on the organism and the specific mRNA molecule.
"Polyadenylic" Examples
5 Examples of Polyadenylic Acid in Biological and Scientific Contexts1. Synthetic ProcessesIn molecular biology, polyadenylic acid is synthesized in vitro to study its role in various cellular processes. Scientists mix the necessary components under sterile conditions to observe its behavior and function.##2. RNA ModificationDuring post-transcriptional modification, polyadenylic acid is added to the 3' end of mRNA molecules, enhancing their stability and transporting them out of the nucleus. This modification is crucial for gene expression regulation.###3. Cancer ResearchUnderstanding the role of polyadenylic acid in cancer cells involves studying its involvement in the expression of oncogenes and tumor-suppressing genes. Researchers might manipulate polyadenylation pathways to identify potential therapeutic targets.#### 4. Molecular DiagnosticsPolyadenylic acid can be used in the detection of viral infections. For example, in some viral samples, the presence of polyadenylic acid signifies active viral replication. This marker is crucial for identifying particularly aggressive strains.#### 5. RNA Interference (RNAi)Polyadenylic acid in siRNA (small interfering RNA) complexes plays a role in RNA interference, a mechanism that allows cells to silence specific genes by degrading mRNA after transcription but before translation. This involves carefully crafting siRNA sequences that contain polyadenylic acid tails for efficient delivery and silencing.Back to Top
2. RNA ModificationDuring post-transcriptional modification, polyadenylic acid is added to the 3' end of mRNA molecules, enhancing their stability and transporting them out of the nucleus. This modification is crucial for gene expression regulation.###3. Cancer ResearchUnderstanding the role of polyadenylic acid in cancer cells involves studying its involvement in the expression of oncogenes and tumor-suppressing genes. Researchers might manipulate polyadenylation pathways to identify potential therapeutic targets.#### 4. Molecular DiagnosticsPolyadenylic acid can be used in the detection of viral infections. For example, in some viral samples, the presence of polyadenylic acid signifies active viral replication. This marker is crucial for identifying particularly aggressive strains.#### 5. RNA Interference (RNAi)Polyadenylic acid in siRNA (small interfering RNA) complexes plays a role in RNA interference, a mechanism that allows cells to silence specific genes by degrading mRNA after transcription but before translation. This involves carefully crafting siRNA sequences that contain polyadenylic acid tails for efficient delivery and silencing.Back to Top
"Polyadenylic" Similar Words
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
Polyacrylamide is a polymer made up of acrylamide units that are chemically linked together. It is a synthetic polymer that is used in a wide range of applications, including:1. Water treatment: Polyacrylamide is used as a flocculant to remove impurities and improve the clarity of water.2. Paper production: It is used as a wet-end additive to enhance paper strength and printability.3. Oil and gas: Polyacrylamide is used in the drilling of oil and gas wells to improve lubrication and prevent sticking of drill pipes.4. Textiles: It is used as a sizing agent to improve the strength and smoothness of fabrics.5. Cosmetics: Polyacrylamide is used in some cosmetics, such as hair and skin care products, to thicken and stabilize emulsions.6. Pharmaceuticals: It is used as an excipient in some pharmaceutical products to improve the stability and dissolution of active ingredients.Polyacrylamide is a non-toxic and biodegradable polymer, but it can be toxic if ingested in large quantities. It is also a potential carcinogen, and exposure to it has been linked to an increased risk of cancer.
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
Polyadenylation
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.
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
A polyamide is a polymer with repeating units linked by amide bonds. Amides are compounds containing a carboxyl group linked to an amino group.
Polyamine
Polyamines
Polyamines are a class of organic compounds that contain two or more primary amino groups (.NH2) attached to a carbon chain, typically a primary or secondary amine. They are widely distributed in living organisms and play important roles in various biochemical processes.In cells, polyamines play a crucial role in:1. Cell growth and proliferation: Polyamines participate in the regulation of cell growth and division, helping cells to replicate and proliferate.2. Gene transcription and translation: Polyamines are involved in the regulation of gene transcription and translation, influencing the expression of genes.3. DNA and RNA stability: Polyamines help stabilize DNA and RNA molecules, maintaining their structure and function.4. Signal transduction: Polyamines can act as second messengers, transmitting signals between cells and tissues.Polyamines have also been linked to various diseases and conditions, including:1. Cancer: Many types of cancer cells exhibit altered polyamine metabolism, which contributes to their growth and proliferation.2. Neurodegenerative disorders: Altered polyamine metabolism has been implicated in neurodegenerative diseases such as Alzheimer's and Parkinson's.3. Amino acid disorders: Polyamines are involved in amino acid metabolism, and alterations in this process can lead to conditions such as ornithine deficiency.Examples of polyamines include:<em> Putrescine (C4H12N2)</em> Spermidine (C6H18N4)<em> Spermine (C10H20N4)</em> Cadaverine (C5H14N2)Overall, polyamines are important molecules that play a variety of roles in the body, and their dysregulation can contribute to various diseases and conditions.
Polyamorist
A polyamorist refers to a person who practices polyamory, which is a form of consensual, non-monogamous relationships where individuals have multiple romantic relationships with the knowledge and consent of all parties involved.
Polyamorous
Polyamorous refers to a person who is involved in consensual, non-monogamous relationships with more than one partner, either concurrently or sequentially, with the knowledge and acceptance of all parties involved. The term suggests a practice of loving and having romantic, erotic, and emotional connections with multiple partners at the same time. It differs from infidelity and cheating, as all relationships involved are agreed upon and consensual.
Polyamory