Related Experiment Video
Updated: Mar 29, 2026
07:33
Bacterial Cell Culture at the Single-cell Level Inside Giant Vesicles
Published on: April 30, 2019
7.6K
Bacterial Membrane Vesicles: Biogenesis, Functions, and Emerging Biotechnological Applications
Li Zhang1, Yueyue He1, Guilan Wang1
1Cancer Center and State Key Laboratory of Biotherapy, Department of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
Microorganisms
|March 28, 2026
Summary
Bacterial membrane vesicles (BMVs) are key nanostructures for bacterial communication and virulence. This review explores their biogenesis, diverse functions, and potential therapeutic applications, highlighting challenges for clinical translation.
Area of Science:
- Microbiology
- Nanotechnology
- Biotechnology
Background:
- Bacterial membrane vesicles (BMVs) are secreted nanostructures with diverse biological roles.
- BMVs are increasingly recognized as actively regulated particles, not mere byproducts.
- They mediate bacterial stress adaptation, communication, virulence, and immune modulation.
Purpose of the Study:
- To review advancements in BMV biogenesis and composition.
- To discuss the functional diversity arising from BMV heterogeneity.
- To critically examine the translational potential of BMVs in biomedical applications.
Main Methods:
- Literature review integrating recent research on BMV biogenesis and function.
- Analysis of molecular mechanisms underlying BMV formation and cargo packaging.
- Evaluation of current and potential applications of BMVs in medicine and biotechnology.
Main Results:
- BMVs exhibit significant heterogeneity in composition and function.
- Their cargos enable diverse roles in bacterial biology and host interactions.
- BMVs show promise in vaccine development, drug delivery, and diagnostics.
Conclusions:
- Understanding BMV biogenesis and heterogeneity is crucial for harnessing their potential.
- BMVs offer promising avenues for therapeutic and diagnostic applications.
- Overcoming challenges in safety, efficacy, and production is essential for clinical translation.
Related Concept Videos
01:29Microorganisms in Medicine and Therapeutics
1.4K
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
1.4K
01:38Intralumenal Vesicles and Multivesicular Bodies
5.2K
Intraluminal vesicles (ILVs) are small vesicles 50-80 nm in diameter formed during the maturation of early endosomes. A specialized endosome containing numerous ILVs is called a multivesicular body (MVB). ILVs contain internalized molecules such as antigens, nucleic acids, proteins, and metabolites. Some of these molecules are released from the MVBs inside exosomes and are transported to other cells. Other MVBs contain molecules that are retained in the ILVs and are later degraded within the...
5.2K
01:44Introduction to Membrane Traffic
10.2K
The ER, Golgi apparatus, endosomes, and lysosomes work in tandem to modify, sort, and package proteins and lipids. An integrated membrane trafficking network facilitates the back and forth shuttling of molecules within different organelles in the same cell or across the cell membrane.
The transport of soluble and membrane proteins is mediated by transport vesicles that collect cargo from one cellular compartment and deliver it to another by fusing with the target organelle membrane. The Rab...
The transport of soluble and membrane proteins is mediated by transport vesicles that collect cargo from one cellular compartment and deliver it to another by fusing with the target organelle membrane. The Rab...
10.2K
01:33Overview of Secretory Vesicles
9.9K
Secretory vesicles, also known as dense core vesicles (DCVs), are membrane-bound vesicles that transport secretory proteins, such as hormones or neurotransmitters. Regulated secretory vesicles transport proteins from the trans-Golgi network to the exterior of the cell. Proteins present in regulated secretory vesicles are required to be rapidly exocytosed in large amounts upon a specific stimulus.
Various proteins regulate the aggregation of molecules inside the secretory vesicles. Chromogranins...
Various proteins regulate the aggregation of molecules inside the secretory vesicles. Chromogranins...
9.9K
01:26Fusion of Secretory Vesicles with the Plasma Membrane
19.4K
Proteins and neurotransmitters in secretory vesicles can be released from a cell upon vesicle docking, priming, and fusion with the plasma membrane. Vesicles are docked and primed in preparation for the quick exocytosis of their contents in response to a stimulus. The fusion process is mainly carried out by a SNAP Receptor or SNARE complex, consisting of synaptobrevin, syntaxin-1, and SNAP-25.
In 1993, Jim Rothman proposed that the antiparallel pairing of vesicular and transmembrane SNAREs, or...
In 1993, Jim Rothman proposed that the antiparallel pairing of vesicular and transmembrane SNAREs, or...
19.4K
01:29Biosynthesis of Lipids
863
Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
863