Rna Localization
Rna Localization - Related Videos
07:06
Visualizing RNA Localization in Xenopus Oocytes
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Cited by 5 •
2010
Visualization of in vivo RNA transport is accomplished by microinjection of fluorescently labeled RNA transcripts into Xenopus oocytes, followed by confocal microscopy.
05:27
RNA Fluorescence In Situ Hybridization for Long Non-Coding RNA Localization in Human Osteosarcoma Cells
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Cited by 4 •
2023
The present protocol describes a method of RNA fluorescence in situ hybridization to localize the lncRNAs in human osteosarcoma cells.
09:30
Localization of Odorant Receptor Genes in Locust Antennae by RNA In Situ Hybridization
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Cited by 5 •
2017
This paper describes a detailed and highly effective RNA in situ hybridization protocol particularly for low-level expressed Odorant Receptor (OR) genes, as well as other genes, in insect antennae using digoxigenin (DIG)-labeled or biotin-labeled probes.
09:54
RNA-Seq
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2023
Among different methods to evaluate gene expression, the high-throughput sequencing of RNA, or RNA-seq. is particularly attractive, as it can be performed and analyzed without relying on prior available genomic information. During RNA-seq, RNA isolated from samples of interest is used to generate a DNA library, which is then amplified and sequenced. Ultimately, RNA-seq can determine which genes are expressed, the levels of their expression, and the presence of any previously unknown transcripts.
01:53
RNA Stability
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2019
Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
FAQs
Localization elements act as molecular addresses embedded within an RNA molecule. RNA-binding proteins recognize these sequences and help assemble transport complexes around the RNA. This recognition gives the transport machinery information about destination, allowing particular transcripts to be separated from other cellular RNAs and delivered to regions where their gene-expression functions are needed.
RNA-binding proteins connect the RNA’s localization elements with the transport machinery. After recognizing the relevant molecular signal, they help form a transport complex capable of moving the transcript through the cell. Their activity therefore links information encoded in the RNA to the physical process of transport and positioning.
Cytoskeletal tracks provide organized routes through the cell for RNA transport complexes. Using these routes helps move selected transcripts toward defined cellular regions rather than leaving their distribution random. Delivery along such tracks supports spatially restricted gene expression, including translation near the destination, which is important when cells must produce proteins in particular locations.
By concentrating selected RNAs in particular cellular regions, RNA localization can establish differences between cellular domains and help maintain cell polarity. During embryonic development, this spatial control contributes to the coordinated use of gene expression in changing cellular regions. The resulting organization helps cells produce proteins where developmental processes require them.
Research on RNA localization can show how neurons coordinate protein production across specialized cellular regions. Because the process positions transcripts before translation may occur locally, it offers a framework for understanding how neuronal compartments obtain gene-expression products where they are needed. This connects RNA transport with the organization and function of specialized cells.
RNA localization contributes to the formation of specialized subcellular structures by controlling where selected transcripts and their potential protein products accumulate. Investigating these patterns helps researchers understand how cells organize gene expression internally. It also provides context for studying disease, because defects in RNA transport can disrupt normal cellular organization and function.