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Related Concept Videos

Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
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Genomics

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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Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...

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Fish welfare and genomics.

P Prunet1, Ø Øverli, J Douxfils

  • 1UR1037 SCRIBE, IFR140, INRA, Campus de Beaulieu, Rennes, France. patrick.prunet@rennes.inra.fr

Fish Physiology and Biochemistry
|June 15, 2011
PubMed
Summary
This summary is machine-generated.

Understanding fish welfare in aquaculture requires integrating physiological, behavioral, and cognitive responses. Genomic technologies offer new biomarkers and insights into adaptive stress responses for improved fish health management.

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Area of Science:

  • Animal Welfare Science
  • Aquaculture
  • Genomics
  • Proteomics
  • Behavioral Ecology

Background:

  • Fish welfare is a significant concern in aquaculture, involving complex physiological, behavioral, and cognitive/emotional responses to stress.
  • Understanding fish welfare necessitates examining allostatic responses to stress and environmental changes.
  • Genomic technologies offer novel avenues for investigating fish welfare and adaptive mechanisms.

Purpose of the Study:

  • To review the application of genomic and proteomic approaches in assessing fish welfare.
  • To explore the potential of molecular biomarkers for early detection of stress in aquaculture.
  • To enhance the understanding of the interplay between physiological, behavioral, and emotional responses in fish.

Main Methods:

  • Review of candidate gene expression studies for molecular biomarker development.
  • Overview of transcriptomic analyses investigating aquaculture stressors and environmental changes.
  • Examination of proteomic studies on stress responses and potential links to anxiety/depressive states.

Main Results:

  • Candidate gene expression studies can identify early stress indicators but offer limited insight into cognitive/emotional aspects.
  • Transcriptomic and proteomic analyses reveal molecular mechanisms underlying physiological and behavioral responses to stressors.
  • Genomic approaches show potential for characterizing complex molecular underpinnings of fish welfare.

Conclusions:

  • An integrated view of fish welfare can be achieved through advanced genomic and proteomic techniques.
  • Future developments include laser microdissection, meta-analysis of genomic data, and high-throughput proteomics.
  • These advancements promise significant progress in understanding the biological basis of fish welfare.