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Related Concept Videos

Yeast Signaling01:28

Yeast Signaling

Yeasts are single-celled organisms, but unlike bacteria, they are eukaryotes (cells with a nucleus). Cell signaling in yeast is similar to signaling in other eukaryotic cells. A ligand, such as a protein or a small molecule released from a yeast cell, attaches to a receptor on the cell surface. The binding stimulates second-messenger kinases to activate or inactivate transcription factors that further regulate gene expression. Many of the yeast intracellular signaling cascades have similar...
Repressible Operon: trp Operon01:21

Repressible Operon: trp Operon

The trp operon in Escherichia coli exemplifies a repressible operon. It regulates the synthesis of tryptophan through repressor-mediated transcriptional control and attenuation. This dual regulatory mechanism ensures tryptophan biosynthesis occurs only when needed, conserving cellular resources.Structure of the trp OperonThe trp operon consists of five structural genes (trpE, trpD, trpC, trpB, and trpA) that encode enzymes for tryptophan biosynthesis. These genes are transcribed as a single...
Cotranslational Protein Translocation01:20

Cotranslational Protein Translocation

Translocation of proteins across membranes is an ancient process that occurs even in bacteria and archaebacteria. In fact, the components of the translocation machinery are still conserved between prokaryotes and eukaryotes.
Sec61 channel partners for cotranslational translocation
During cotranslational translocation, the Sec61 channel partners with the signal recognition particle (SRP), the signal recognition particle receptor (SR), and the ribosomes to transport the nascent polypeptide chain...
Tail-anchoring of Proteins in the ER Membrane01:45

Tail-anchoring of Proteins in the ER Membrane

Tail-anchored, or TA, proteins are estimated to make up to 3-5% of membrane proteins found in the eukaryotic cell. Such proteins have a single transmembrane domain located approximately 30 amino acid residues upstream from the C-terminal end. As a result, the signal recognition particle (SRP) cannot guide a TA protein to the ER membrane for cotranslational insertion. Hence, they are integrated into the ER membrane post-translationally using their C-terminal end as the anchor. TA proteins...
Protein Translocation Machinery on the ER Membrane01:28

Protein Translocation Machinery on the ER Membrane

The translocon complex situated on the ER membrane is the main gateway for the protein secretory pathway. It facilitates the transport of nascent peptides into the ER lumen and their insertion into the ER membrane.
Sec61 protein conducting channel
In eukaryotes, the translocon complex comprises a core heterotrimeric translocator channel called the Sec61 complex. This channel includes three transmembrane proteins, Sec61α, Sec61β, and Sec61γ, and is the largest subunit of the translocon complex.

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Related Experiment Video

Updated: Jun 4, 2026

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4
12:09

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4

Published on: December 31, 2013

TRP channels in yeast.

Marta Kaleta1, Christopher Palmer

  • 1Faculty of Life Sciences, London Metropolitan University, London,N7 8DB, UK. redds@tlen.pl

Advances in Experimental Medicine and Biology
|February 4, 2011
PubMed
Summary
This summary is machine-generated.

Yeast TRP channels, crucial for sensory systems, are explored for their discovery and function. This review covers their properties and physiological roles in yeast biology.

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A Simple Fluorescence-based Reporter Assay to Identify Cellular Components Required for Ricin Toxin A Chain (RTA) Trafficking in Yeast
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A Simple Fluorescence-based Reporter Assay to Identify Cellular Components Required for Ricin Toxin A Chain (RTA) Trafficking in Yeast

Published on: December 15, 2017

Enzymatic Modification and Flow Cytometry Assessment of Yeast Surface Displayed Proteins
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Enzymatic Modification and Flow Cytometry Assessment of Yeast Surface Displayed Proteins

Published on: May 30, 2025

Related Experiment Videos

Last Updated: Jun 4, 2026

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4
12:09

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4

Published on: December 31, 2013

A Simple Fluorescence-based Reporter Assay to Identify Cellular Components Required for Ricin Toxin A Chain (RTA) Trafficking in Yeast
09:03

A Simple Fluorescence-based Reporter Assay to Identify Cellular Components Required for Ricin Toxin A Chain (RTA) Trafficking in Yeast

Published on: December 15, 2017

Enzymatic Modification and Flow Cytometry Assessment of Yeast Surface Displayed Proteins
10:54

Enzymatic Modification and Flow Cytometry Assessment of Yeast Surface Displayed Proteins

Published on: May 30, 2025

Area of Science:

  • Microbiology
  • Molecular Biology
  • Biophysics

Background:

  • Microbes offer significant contributions to biology and medicine.
  • Ion channels, often studied in neuroscience and cardiology, are also found in microbes.
  • Transient Receptor Potential (TRP) channels are key components of sensory systems and are present in yeast genomes.

Purpose of the Study:

  • To review the discovery of TRP channels in yeast.
  • To summarize the electrophysiological properties of yeast TRP channels.
  • To discuss the physiological functions of TRP channels in yeast.

Main Methods:

  • Genomic identification of TRP channel genes in yeast.
  • Electrophysiological characterization of TRP channel activity.
  • Analysis of physiological roles through genetic and biochemical approaches.

Main Results:

  • TRP channel genes are identifiable in numerous yeast species.
  • Yeast TRP channels exhibit diverse electrophysiological properties.
  • These channels play significant roles in yeast physiology, including sensing and homeostasis.

Conclusions:

  • Yeast TRP channels are vital for understanding cellular functions.
  • Their study provides insights beyond traditional neuroscience and cardiology.
  • Further research into yeast TRP channels can reveal novel biological mechanisms.