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Related Concept Videos

Neural Regulation01:37

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
The Eukaryotic Promoter Region02:40

The Eukaryotic Promoter Region

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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The Eukaryotic Promoter Region

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...
End Point Prediction: Gran Plot01:07

End Point Prediction: Gran Plot

A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, titration data is collected as a function of the titrant's volume up to a point less than the equivalence volume and then transformed into a linear format. The straight line is extended to the x-axis, indicating the necessary titrant volume to achieve the equivalence point.
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Related Experiment Video

Updated: Jul 10, 2026

Generating the Transcriptional Regulation View of Transcriptomic Features for Prediction Task and Dark Biomarker Detection on Small Datasets
03:37

Generating the Transcriptional Regulation View of Transcriptomic Features for Prediction Task and Dark Biomarker Detection on Small Datasets

Published on: March 1, 2024

E. coli promoter prediction using feed-forward neural networks.

Fan Zhang1, Michael D Kuo, Adrian Brunkhors

  • 1Dept. of Radiol., California Univ., San Diego, CA, USA.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|October 20, 2007
PubMed
Summary

This study introduces a feed forward neural network for E. coli promoter prediction. Four-dimensional coding of nucleic acid data proved superior for effective promoter recognition.

Related Experiment Videos

Last Updated: Jul 10, 2026

Generating the Transcriptional Regulation View of Transcriptomic Features for Prediction Task and Dark Biomarker Detection on Small Datasets
03:37

Generating the Transcriptional Regulation View of Transcriptomic Features for Prediction Task and Dark Biomarker Detection on Small Datasets

Published on: March 1, 2024

Area of Science:

  • Bioinformatics
  • Computational Biology
  • Genomics

Background:

  • Promoter recognition is crucial for understanding gene regulation in E. coli.
  • Accurate identification of bacterial promoters aids in various biological studies.

Purpose of the Study:

  • To implement and evaluate a feed forward neural network for predicting E. coli promoters.
  • To compare different data coding strategies for promoter prediction accuracy.

Main Methods:

  • Utilized a feed forward neural network architecture.
  • Trained the network using positive (promoter) and negative (non-promoter) E. coli DNA sequences.
  • Experimented with two-dimensional and four-dimensional nucleic acid data coding.

Main Results:

  • The feed forward neural network effectively captured statistical promoter characteristics.
  • Four-dimensional coding significantly outperformed two-dimensional coding for E. coli promoter prediction.
  • The number of hidden layers did not substantially impact prediction precision.

Conclusions:

  • Feed forward neural networks are effective tools for E. coli promoter recognition.
  • Four-dimensional nucleic acid data representation enhances prediction accuracy.
  • This method offers a valuable reference for future promoter identification research.