Puf Domain Scaffold
Puf Domain Scaffold - Related Videos
02:26
Conservation of Protein Domains Over Different Proteins
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Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms. A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
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09:32
Electrospun Nanofiber Scaffolds with Gradations in Fiber Organization
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08:35
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Elastomeric PGS scaffolds with vascular smooth muscle cells cultured in a pulsatile flow bioreactor may lead to promising small-diameter arterial constructs with native ECM production in a relatively short culture period.
14:49
Self-reporting Scaffolds for 3-Dimensional Cell Culture
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Cited by 7 •
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Biocompatible pH responsive sol-gel nanosensors can be incorporated into poly(lactic-co-glycolic acid) (PLGA) electrospun scaffolds. The produced self-reporting scaffolds can be used for in situ monitoring of microenvironmental conditions whilst culturing cells upon the scaffold. This is beneficial as the 3D cellular construct can be monitored in real-time without disturbing the experiment.
FAQs
Each Pumilio homology domain repeat contributes contacts that favor a particular RNA base, while the tandem arrangement aligns these contacts across a target sequence. Recognition therefore depends on the combined contribution of multiple modules rather than on a single binding site. This organization allows the scaffold to distinguish sequence arrangements and connect RNA recognition with regulated gene expression.
The order of repeats determines how individual RNA-binding modules are positioned relative to one another along the RNA. Changing that arrangement can alter which nucleotide sequence is favored and how the scaffold engages its target. This sequence-to-module correspondence is important for designing scaffolds that recognize selected RNA sequences rather than merely binding RNA in a nonspecific manner.
Researchers can modify individual Pumilio homology domain repeats so that their nucleotide preferences change. Because the scaffold is modular, altering selected repeats can redirect recognition while preserving the overall framework of tandem RNA-binding modules. This programmability enables experiments that test how particular RNA sequences influence post-transcriptional regulation and helps create synthetic gene-control systems.
They provide a way to connect a defined RNA-recognition pattern with downstream regulation after transcription. By directing a scaffold toward a selected RNA sequence, investigators can study how RNA binding relates to transcript localization, stability, or gene-expression control. This makes the platform useful for examining RNA-protein interactions as regulatory components in genetics and molecular biology.
A basic strategy is to identify the RNA sequence of interest, align the scaffold's tandem modules with that sequence, and modify selected repeats when a different recognition pattern is needed. The resulting design can then be used to investigate RNA binding or its regulatory consequences. The modular framework lets researchers vary recognition while maintaining a common scaffold architecture.
Programmable scaffolds can support studies of RNA localization and RNA stability, as well as synthetic approaches for controlling gene expression after transcription. They also help researchers investigate how RNA-protein interactions produce regulatory outcomes. In genetics, these applications provide a modular experimental system for linking RNA sequence recognition to changes in transcript behavior and gene regulation.