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Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
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The eukaryotic promoter region is a segment of DNA located upstream of a gene. It contains an RNA polymerase binding site, a transcription start site, and several cis-regulatory sequences.  The proximal promoter region is located in the vicinity of the gene and has cis-regulatory sequences and the core promoter. The core promoter is the binding site for RNA polymerase and is usually located between -35 and +35 nucleotides from the transcription start site. The distal promoter regions are...
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Ultra-long Read Sequencing for Whole Genomic DNA Analysis
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Promoter analysis and prediction in the human genome using sequence-based deep learning models.

Ramzan Umarov1, Hiroyuki Kuwahara1, Yu Li1

  • 1Computational Bioscience Research Center, Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.

Bioinformatics (Oxford, England)
|January 3, 2019
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Summary
This summary is machine-generated.

This study introduces a novel deep learning method for precisely identifying human gene promoter locations. The approach significantly reduces false positives, offering a more reliable tool for analyzing genomic sequences.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Computational Biology

Background:

  • Accurate identification of gene promoters is crucial for understanding gene regulation.
  • Existing computational methods struggle with the unique sequences of human promoters and analyzing long genomic data.

Purpose of the Study:

  • To develop an advanced deep learning model for precise promoter identification in human genomic sequences.
  • To improve upon existing methods by predicting exact transcription start site positions and reducing false positives.

Main Methods:

  • Developed a deep learning approach focusing on predicting transcription start site positions.
  • Utilized adaptively constructed negative sets to iteratively enhance model discriminative ability.
  • Tested models on human promoter sequences to identify effective regions for discrimination.

Main Results:

  • Achieved a significantly reduced false-positive prediction rate compared to previous methods.
  • Reported an error-per-1000-bp rate of 0.02 and 0.31 errors per correct prediction.
  • Demonstrated superior performance over existing human promoter prediction programs.

Conclusions:

  • The developed deep learning method offers a more reliable and accurate tool for computational promoter identification.
  • This advancement aids in the analysis of complex human genomic sequences.
  • The method is accessible via a web server for broader research use.