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Related Concept Videos

Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
Peroxisomes and Mitochondria01:30

Peroxisomes and Mitochondria

Peroxisomes and mitochondria are two important oxygen-utilizing organelles in eukaryotic cells. Mitochondria carry out cellular respiration—the process that converts energy from food into ATP. Peroxisomes carry out a variety of functions, primarily breaking down different substances, such as fatty acids.
The peroxisome is a single membrane-bound cellular organelle that can perform several different functions, including lipid metabolism and chemical detoxification. The enzymes within peroxisomes...
Protein Import into the Peroxisomes01:27

Protein Import into the Peroxisomes

Cells contain membrane-bound organelles called peroxisomes that oxidize organic molecules by transferring hydrogen atoms to oxygen, producing hydrogen peroxide. Peroxisomes enzymatically convert the released hydrogen peroxide into water and oxygen.
Peroxisomal Protein Import:
Peroxisomes lack the genetic machinery required to code for their own proteins. Hence, most peroxisomal membrane, lumenal and transmembrane proteins are synthesized in the cytoplasm or ER and transported to the peroxisome...
Oxygenic Photosynthesis01:26

Oxygenic Photosynthesis

Oxygenic photosynthesis is a fundamental process in which light energy is harnessed to drive the oxidation of water, leading to the production of molecular oxygen (O₂), adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate (NADPH). This process is essential for sustaining aerobic life on Earth and is primarily carried out by cyanobacteria, algae, and plants. The core of oxygenic photosynthesis lies in the thylakoid membranes, where chlorophyll pigments facilitate light...
Radical Autoxidation01:20

Radical Autoxidation

The oxidation of an organic compound in the presence of air or oxygen is called autoxidation. For example, cumene reacts with oxygen to form hydroperoxide. Autoxidation involves initiation, propagation, and termination steps. Many organic compounds are susceptible to autoxidation—especially ethers in the presence of oxygen, which form hydroperoxides. Even though this reaction is slow, old ether bottles contain small amounts of peroxide, which leads to laboratory explosions during ether...

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Peroxisome Staining in Mammalian Cells Using Peroxisome-Specific Probes
05:57

Peroxisome Staining in Mammalian Cells Using Peroxisome-Specific Probes

Published on: December 19, 2025

Plant peroxisomes: biogenesis and function.

Jianping Hu1, Alison Baker, Bonnie Bartel

  • 1Michigan State University-Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, Michigan 48824, USA. huji@msu.edu

The Plant Cell
|June 7, 2012
PubMed
Summary
This summary is machine-generated.

Plant peroxisomes are dynamic organelles crucial for metabolism and stress responses. Research reveals their complex proteome and metabolic pathways, aiding in crop improvement strategies.

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Area of Science:

  • Plant biology
  • Cell biology
  • Biochemistry

Background:

  • Peroxisomes are dynamic eukaryotic organelles involved in diverse plant processes.
  • Plant peroxisomes play roles in primary/secondary metabolism, development, and stress responses.
  • Mechanisms of peroxisomal biogenesis show shared and divergent features with non-plant systems.

Purpose of the Study:

  • To review recent advances in understanding plant peroxisomes.
  • To highlight the dynamic nature of peroxisomal morphology and metabolism in plants.
  • To explore the implications of peroxisomal research for plant science and engineering.

Main Methods:

  • Literature review of recent research on plant peroxisomes.
  • Analysis of proteomic and metabolic pathway data.
  • Synthesis of findings on peroxisomal biogenesis and function.

Main Results:

  • Identification of factors involved in peroxisomal biogenesis.
  • Discovery of a large plant peroxisomal proteome.
  • Increased understanding of plant peroxisomal metabolic pathways and their coordination.

Conclusions:

  • Plant peroxisomes exhibit dynamic behavior crucial for adapting to plant needs.
  • Understanding peroxisomal metabolic networks is key for engineering plant traits.
  • Research enables molecular strategies for improving plant metabolism, biomass, stress tolerance, and defense.