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Related Concept Videos

ER Retrieval Pathway01:45

ER Retrieval Pathway

In the secretory pathway, vesicles transport proteins from one cellular compartment to another in forward transport to deliver the protein to its correct location. Occasionally, misfolded proteins and incorrect proteins escape their original compartments, and a retrieval pathway is used to return the escaped proteins to their original compartment.
The ER uses many checkpoints to prevent the entry of incorrectly folded or a resident protein as cargo onto a transport vesicle. These mechanisms...
Eukaryotic Compartmentalization01:37

Eukaryotic Compartmentalization

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Eukaryotic Compartmentalizations01:46

Eukaryotic Compartmentalizations

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Intracellular Movement of Viruses and Bacteria01:10

Intracellular Movement of Viruses and Bacteria

Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a virus that...
Viral Mutations00:36

Viral Mutations

A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material for adaptive...
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Eukaryotic Evolution

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Related Experiment Video

Updated: Jul 18, 2026

A Web Tool for Generating High Quality Machine-readable Biological Pathways
08:01

A Web Tool for Generating High Quality Machine-readable Biological Pathways

Published on: February 8, 2017

WormBase: new content and better access.

Tamberlyn Bieri1, Darin Blasiar, Philip Ozersky

  • 1Genome Sequencing Center, Washington University School of Medicine, St Louis, MO 63108, USA. tbieri@watson.wustl.edu

Nucleic Acids Research
|November 14, 2006
PubMed
Summary

WormBase, a key resource for nematode research, has been updated with new genetic and genomic data for Caenorhabditis elegans and related species. Enhanced features improve data accessibility and searchability for the scientific community.

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Worm-align and Worm_CP, Two Open-Source Pipelines for Straightening and Quantification of Fluorescence Image Data Obtained from Caenorhabditis elegans
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Worm-align and Worm_CP, Two Open-Source Pipelines for Straightening and Quantification of Fluorescence Image Data Obtained from Caenorhabditis elegans

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Last Updated: Jul 18, 2026

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Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
09:37

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

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Worm-align and Worm_CP, Two Open-Source Pipelines for Straightening and Quantification of Fluorescence Image Data Obtained from Caenorhabditis elegans
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Worm-align and Worm_CP, Two Open-Source Pipelines for Straightening and Quantification of Fluorescence Image Data Obtained from Caenorhabditis elegans

Published on: May 28, 2020

Area of Science:

  • * Nematode genomics and bioinformatics
  • * Model organism databases
  • * Functional genomics and cell biology

Background:

  • * WormBase is a central repository for data on Caenorhabditis elegans and related nematodes.
  • * Continuous updates are essential for maintaining a comprehensive and current research resource.

Purpose of the Study:

  • * To report on the recent expansions and improvements to the WormBase database.
  • * To highlight new datasets and enhanced functionalities for researchers.

Main Methods:

  • * Integration of new classical genetics, cell biology, and functional genomics data for C. elegans.
  • * Development of a new genome browser for Caenorhabditis remanei.
  • * Deployment of upgraded hardware for improved database performance.

Main Results:

  • * Significant increase in content for phenotype descriptions and RNAi experiments.
  • * Addition of new datasets including C. remanei draft assembly and annotations, Vancouver Fosmid library, and TEC-RED 5' end sites.
  • * Improved access and search flexibility through multiple mirror sites and Google indexing.

Conclusions:

  • * WormBase continues to be a vital, evolving resource for nematode research.
  • * Recent updates enhance the breadth of data and user accessibility, supporting a wide range of biological investigations.