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Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
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The concept of stress concentration is crucial for understanding how materials respond under bending stresses, particularly when there are irregularities or discontinuities in the material's geometry. Normally, stress in a symmetric member subjected to pure bending is assumed to be uniformly distributed across the entire cross-section. However, this assumption does not hold when there are variations in the cross-sectional geometry or the presence of notches and holes.
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Temporal Quantification of MAPK Induced Expression in Single Yeast Cells
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yStreX: yeast stress expression database.

Kwanjeera Wanichthanarak1, Intawat Nookaew2, Dina Petranovic3

  • 1Department of Chemical and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden and Comparative Genomics Group, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.

Database : the Journal of Biological Databases and Curation
|July 16, 2014
PubMed
Summary
This summary is machine-generated.

The yStreX database integrates yeast gene expression data from diverse environmental stress studies. This bioinformatics platform facilitates cross-study comparisons and analysis for yeast physiology research.

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Area of Science:

  • * Molecular Biology
  • * Bioinformatics
  • * Systems Biology

Background:

  • * Genome-wide expression analyses are crucial for understanding gene responses to environmental stresses.
  • * Numerous studies in *Saccharomyces cerevisiae* have generated extensive gene expression data.
  • * A unified bioinformatics platform is needed to efficiently utilize existing yeast transcription data.

Purpose of the Study:

  • * To develop the yStreX database, an integrated bioinformatics platform for yeast gene expression data.
  • * To facilitate comparison of cross-platform and cross-laboratory gene expression data.
  • * To provide analyzed data, including differential expression, meta-analyses, and gene set enrichment analyses.

Main Methods:

  • * Curation of existing genome-wide gene expression datasets from various environmental stress studies in *Saccharomyces cerevisiae*.
  • * Development of an online repository (yStreX database) to store analyzed data.
  • * Implementation of a user-friendly Web interface with interactive visualization tools.

Main Results:

  • * yStreX database provides a centralized repository of analyzed yeast gene expression data.
  • * The database enables comparison of data across different experimental platforms and laboratories.
  • * Integrated analyses such as differential expression, meta-analyses, and gene set enrichment are accessible.

Conclusions:

  • * The yStreX database addresses the need for an integrated bioinformatics platform for yeast gene expression data.
  • * It empowers researchers to efficiently access, compare, and analyze existing transcription data.
  • * The platform supports advancements in understanding yeast physiology and stress responses.