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The BED (Browser Extensible Data) format is a text file format used to store genomic regions as coordinates and associated annotations. The data are presented in the form of columns separated by spaces or tabs. This format was developed during the Human Genome Project [1] and then adopted by other sequencing
The human genome has many different regulatory sequences which are crucial to controlling gene expression. Conservative estimates indicate that these sequences make up 8% of the genome, [ 27 ] however extrapolations from the ENCODE project give that 20 [ 28 ] or more [ 29 ] of the genome is gene regulatory sequence.
The Human Genome Project, a multinational effort to sequence the human genome, generated vast quantities of data about the genetic make-up of humans and other organisms. But, in some respects, even more remarkable than the impressive quantity of data generated by the Human Genome Project is the speed at which that data has been released to the ...
Cis-regulatory DNA sequences that are located in DNA regions distant from the promoters of genes can have very large effects on gene expression, with some genes undergoing up to 100-fold increased expression due to such a cis-regulatory sequence. [3] These cis-regulatory sequences include enhancers, silencers, insulators and tethering elements. [4]
Gene regulatory pathway. In genetics, a regulator gene, regulator, or regulatory gene is a gene involved in controlling the expression of one or more other genes. Regulatory sequences, which encode regulatory genes, are often at the five prime end (5') to the start site of transcription of the gene they regulate. In addition, these sequences ...
Regulation of gene expression by a hormone receptor Diagram showing at which stages in the DNA-mRNA-protein pathway expression can be controlled. Regulation of gene expression, or gene regulation, [1] includes a wide range of mechanisms that are used by cells to increase or decrease the production of specific gene products (protein or RNA).
To gather these scattered data, the Weizmann Institute of Science's Crown Human Genome Centre developed a database called ‘GeneCards’ in 1997. This database mainly dealt with human genome information, human genes, the encoded proteins’ functions, and related diseases, though it has expanded since that time.
This method was eventually used in the human genome project. [5] According to Michael Levitt , sequence analysis was born in the period from 1969 to 1977. [ 6 ] In 1969 the analysis of sequences of transfer RNAs was used to infer residue interactions from correlated changes in the nucleotide sequences, giving rise to a model of the tRNA ...