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Related Concept Videos

Genomic DNA in Eukaryotes00:58

Genomic DNA in Eukaryotes

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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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Ribosome Profiling02:24

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Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
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Prokaryotic vs. Eukaryotic Cells01:28

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Prokaryotic and eukaryotic cells represent two fundamental types of cellular organization, differing significantly in structure, complexity, and function. These distinctions underpin the biological diversity seen across domains of life.Prokaryotic Cell CharacteristicsProkaryotic cells, exemplified by bacteria and archaea, are structurally simple and lack membrane-bound organelles, including a nucleus. Their genetic material consists of a single, circular DNA molecule in the nucleoid region,...
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Methods to Assess Microbial Communities01:19

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Microbial communities, comprising bacteria, archaea, and eukaryotic microorganisms, inhabit diverse ecosystems and play crucial roles in environmental and biological processes. Their diversity is defined by three main parameters: species richness (the number of distinct species), species abundance (the relative quantity of each species), and species evenness (how uniformly individual species are distributed in various locations). These factors together shape the structure and ecological balance...
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Related Experiment Video

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Transcriptome Analysis of Single Cells
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Transcriptome Analysis of Single Cells

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Single-cell transcriptomics for microbial eukaryotes.

Martin Kolisko1, Vittorio Boscaro2, Fabien Burki1

  • 1Canadian Institute for Advanced Research, Botany Department, University of British Columbia, 3529-6270 University Boulevard, Vancouver, BC, V6T 1Z4, Canada.

Current Biology : CB
|December 3, 2014
PubMed
Summary
This summary is machine-generated.

Most microbes remain uncultured, hindering research. Single-cell transcriptomics offers an efficient method for gene discovery in uncultivated eukaryotes, comparable to traditional approaches.

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Area of Science:

  • Microbial Genomics
  • Eukaryotic Biology
  • Single-Cell Analysis

Background:

  • Most microbial life is uncultured, limiting genomic and evolutionary studies.
  • Metagenomics struggles with eukaryotes, losing cellular information.
  • Single-cell analysis offers species-specific insights and retains cellular data.

Discussion:

  • Single-cell transcriptomics (scT) is a novel approach for uncultured eukaryotes.
  • This study tested scT efficiency and biases using manually isolated ciliate cells.
  • Gene discovery via scT was compared to traditional culture-based transcriptomics.

Key Insights:

  • Single-cell transcriptomics gene discovery equals mass-culture methods.
  • This technique is effective for studying uncultivated eukaryotic microbes.
  • It provides a viable entry point into genomic data for diverse eukaryotes.

Outlook:

  • Single-cell transcriptomics can unlock genomic data from uncultured eukaryotes.
  • Further research can refine scT methods for microbial biodiversity.
  • This approach has broad implications for microbial ecology and evolution.