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DNA-protein interaction studies: a historical and comparative analysis

Title
DNA-protein interaction studies: a historical and comparative analysis
Type
Another Publication in an International Scientific Journal
Year
2021
Authors
Ferraz, RAC
(Author)
Other
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Lopes, ALG
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da Silva, JAF
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Moreira, DFV
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Ferreira, MJN
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Coimbra, S
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FCUP
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Journal
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Title: PLANT METHODSImported from Authenticus Search for Journal Publications
Vol. 22
ISSN: 1746-4811
Indexing
Publicação em ISI Web of Knowledge ISI Web of Knowledge - 0 Citations
Other information
Authenticus ID: P-00V-8D6
Abstract (EN): DNA-protein interactions are essential for several molecular and cellular mechanisms, such as transcription, transcriptional regulation, DNA modifications, among others. For many decades scientists tried to unravel how DNA links to proteins, forming complex and vital interactions. However, the high number of techniques developed for the study of these interactions made the choice of the appropriate technique a difficult task. This review intends to provide a historical context and compile the methods that describe DNA-protein interactions according to the purpose of each approach, summarise the respective advantages and disadvantages and give some examples of recent uses for each technique. The final aim of this work is to help in deciding which technique to perform according to the objectives and capacities of each research team. Considering the DNA-binding proteins characterisation, filter binding assay and EMSA are easy in vitro methods that rapidly identify nucleic acid-protein binding interactions. To find DNA-binding sites, DNA-footprinting is indeed an easier, faster and reliable approach, however, techniques involving base analogues and base-site selection are more precise. Concerning binding kinetics and affinities, filter binding assay and EMSA are useful and easy methods, although SPR and spectroscopy techniques are more sensitive. Finally, relatively to genome-wide studies, ChIP-seq is the desired method, given the coverage and resolution of the technique. In conclusion, although some experiments are easier and faster than others, when designing a DNA-protein interaction study several concerns should be taken and different techniques may need to be considered, since different methods confer different precisions and accuracies.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 21
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