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Genomics02:02

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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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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
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Eukaryotes have large genomes compared to prokaryotes. To fit their genomes into a cell, eukaryotic DNA is packaged extraordinarily tightly inside the nucleus. To achieve this, DNA is tightly wound around proteins called histones, which are packaged into nucleosomes that are joined by linker DNA and coil into chromatin fibers. Additional fibrous proteins further compact the chromatin, which is recognizable as chromosomes during certain phases of cell division.
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The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
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The need to redefine genomic data sharing: A focus on data accessibility.

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Researchers face challenges accessing and sharing human genomic data. Improving data discoverability and accessibility is crucial for advancing genomic research and adopting best practices.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Data Science

Background:

  • Efficient and ethical sharing of human genomic data is vital for research.
  • Current mechanisms for accessing and sharing genomic data present significant challenges.

Purpose of the Study:

  • To investigate issues hindering efficient and ethical human genomic data sharing.
  • To identify and propose improvements for accessing and sharing genomic data.

Main Methods:

  • Conducted contextual interviews with human genomics researchers across clinical, academic, and industrial R&D settings.
  • Followed qualitative interviews with an online survey to gather quantitative data.
  • Analyzed workflows for accessing human genomic data from public and restricted-access repositories.

Main Results:

  • Identified key points of frustration in current genomic data access and sharing processes.
  • Found that data discoverability and accessibility are lacking, hindering the adoption of best practices.
  • Highlighted the need for improved mechanisms to facilitate genomic data sharing.

Conclusions:

  • Enhanced data discoverability and accessibility are prerequisites for advancing human genomics research.
  • Current initiatives and platforms, such as nucleobase.co.uk, aim to address these challenges.
  • Implementing improvements in data sharing workflows can accelerate genomic research and discovery.