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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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While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
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The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
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The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
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Skeletal Muscle Gender Dimorphism from Proteomics
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Genomics and Proteomic Techniques.

Jonathan Z Pan1

  • 1University of California at San Francisco, San Francisco, CA, United States.

Methods in Enzymology
|April 21, 2018
PubMed
Summary
This summary is machine-generated.

Identifying the precise targets of inhaled anesthetics remains challenging. This study explores genomics and proteomics to analyze molecular changes, aiding in understanding anesthetic mechanisms.

Keywords:
DNA microarrayDifferential in-gel electrophoresisGenomicsInhaled anestheticNetworkPathway analysisProteomicsStatistics

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Area of Science:

  • Anesthesiology
  • Molecular Biology
  • Genomics
  • Proteomics

Background:

  • General anesthesia via inhaled anesthetics causes predictable effects like immobility and amnesia.
  • The specific molecular targets and mechanisms of action for these anesthetics are not fully understood.

Purpose of the Study:

  • To discuss genomic and proteomic methodologies for measuring global changes after inhaled anesthetic exposure.
  • To explore data interpretation techniques, including network and pathway analyses, for identifying anesthetic targets.

Main Methods:

  • Focus on technical aspects of genomics for measuring transcriptional changes.
  • Focus on technical aspects of proteomics for measuring translational changes.
  • Utilize network and pathway analyses for interpreting large-scale biological data.

Main Results:

  • Genomic and proteomic techniques provide a framework for global analysis of inhaled anesthetic effects.
  • Methodologies discussed enable the identification of potential molecular targets.
  • Network and pathway analyses facilitate the interpretation of complex biological data.

Conclusions:

  • Genomics and proteomics are essential tools for elucidating inhaled anesthetic mechanisms.
  • Further research using these techniques can identify drug targets and improve anesthetic safety.
  • Understanding molecular targets is crucial for advancing anesthesiology.