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Related Concept Videos

Proteomics01:33

Proteomics

7.5K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
7.5K
Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

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During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
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Related Experiment Video

Updated: Apr 28, 2026

Phosphopeptide Analysis of Rodent Epididymal Spermatozoa
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Comparative profiling of the sperm proteome.

Ashling Holland1, Kay Ohlendieck

  • 1Department of Biology, National University of Ireland, Maynooth, County Kildare, Ireland.

Proteomics
|June 10, 2014
PubMed
Summary
This summary is machine-generated.

Sperm proteomics reveals key proteins involved in fertilization and male infertility. Advanced techniques like mass spectrometry (MS) and 2DE aid in identifying novel biomarkers for improved diagnostics and treatments.

Keywords:
Animal proteomicsFertilizationGlobozoospermiaInfertilitySpermatogenesisSpermatozoa

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Last Updated: Apr 28, 2026

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Area of Science:

  • Developmental Biology
  • Reproductive Biology
  • Proteomics

Background:

  • Fertilization is a complex, species-selective process crucial for reproduction.
  • Understanding gamete molecular composition is vital for developmental biology.
  • Biological mass spectrometry (MS) has enabled comprehensive proteome analysis of gametes.

Purpose of the Study:

  • To review recent advancements in sperm proteomics.
  • To highlight the utility of gel-based surveys and comparative proteomic analysis.
  • To discuss the role of novel protein markers in understanding spermatogenesis, sperm activation, and male infertility.

Main Methods:

  • Proteomics, including gel-based surveys and comparative analysis of spermatozoa.
  • Label-free MS techniques and cell-based labeling methodologies.
  • High-resolution fluorescence 2DE for proteomic biomarker discovery.

Main Results:

  • Established the protein profiles of sperm cells and their subcellular structures across species.
  • Investigated proteome-wide alterations in spermatogenesis, sperm activation, and male infertility.
  • Demonstrated the effectiveness of gel-based surveys in analyzing abnormal spermatozoa, such as in globozoospermia.

Conclusions:

  • Sperm proteomics offers valuable insights into fertilization and male infertility.
  • Novel protein markers identified through advanced proteomic techniques can enhance diagnostic and therapeutic strategies.
  • High-resolution fluorescence 2DE is a powerful tool for biomarker discovery in sperm protein research.