Αποτελέσματα Αναζήτησης
The first step involves RNA polymerase, an enzyme that unwinds and unzips the double helix to access a protein-coding gene. The gene's DNA sequence is used as the template for transcribing an RNA copy of that gene, which the polymerase assembles from a chain of nucleotides.
6 ημέρες πριν · RNA, complex compound of high molecular weight that functions in cellular protein synthesis and replaces DNA as a carrier of genetic codes in some viruses. RNA consists of ribose nucleotides and the nitrogenous bases adenine, guanine, cytosine, and uracil.
The central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins. In reality, there is much more to the RNA story.
20 Σεπ 2022 · Although initially suspected to be noise, lncRNAs were found to be dynamically expressed during differentiation and development, mostly in cell-type specific patterns. LncRNAs were also found be associated with membrane-less cellular organelles, chromatin-modifying proteins and/or chromatin domains.
24 Μαΐ 2024 · When the mRNAs enter cells in the body, the cells use the mRNAs to produce virus proteins and display them to the immune system. This teaches the immune system to recognize the virus, promoting a strong response if the immune system encounters the virus, protecting the person in the future.
Across various species and forms of life, protein pores have evolved to transport RNA across membranes, thus providing a mechanistic path for exRNAs to achieve their extracellular topology. Here, we review types of exRNAs and the pores capable of RNA transport to provide a logical and testable path toward understanding the biogenesis and ...
5 Δεκ 2021 · After entry and release of the cell endosome, the mRNA sequence is expressed and post-translational modifications occur. Subsequently, the S glycoprotein is transported and presented in the cell membrane of immune cells (antigen presenting cells).
