Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Bacterial Growth Curve01:28

Bacterial Growth Curve

331
The bacterial growth curve is a fundamental concept in microbiology that describes the dynamics of bacterial population growth in a closed system with controlled environmental conditions, such as temperature and nutrient availability. This curve is divided into four distinct phases: lag, log (exponential), stationary, and death phases, each reflecting a unique stage of bacterial adaptation and growth. During the lag phase, bacteria acclimate to their surroundings by synthesizing essential...
331
Cell Size01:22

Cell Size

117.4K
Cell sizes vary widely among and within organisms. Bacterial cells range between 1-10 micrometers (μm)and are considerably smaller than most eukaryotic cells. The smallest bacteria are 0.1 μm in diameter—about a thousand times smaller than eukaryotic cells, which typically range from 10-100 μm.
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
117.4K
Biosynthesis in Bacteria01:24

Biosynthesis in Bacteria

104
Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...
104
Microbial Morphologies01:29

Microbial Morphologies

766
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
766
Stringent Response in E. coli01:23

Stringent Response in E. coli

50
Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
50
Other Glycolytic Pathways01:24

Other Glycolytic Pathways

211
The pentose phosphate pathway (PPP) operates in parallel with glycolysis, facilitating the metabolism of both pentoses and glucose. This pathway consists of two distinct phases: the oxidative and non-oxidative phases. While it does not directly generate ATP, the intermediates formed during the process can integrate into glycolysis, contributing to cellular energy metabolism when required.Oxidative Phase: NADPH ProductionThe oxidative phase of the pentose phosphate pathway is primarily...
211

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Learning Epithelial Elasticity via Local Tension Remodeling.

bioRxiv : the preprint server for biology·2025
Same author

Gene expression cycles drive non-exponential bacterial growth.

Physical review research·2025
Same author

Reinforcement learning for adaptive control of phenotypically heterogeneous bacterial populations.

bioRxiv : the preprint server for biology·2025
Same author

Physical traits of supercompetitors in cell competition.

Journal of the Royal Society, Interface·2025
Same author

Mechanistic basis for non-exponential bacterial growth.

bioRxiv : the preprint server for biology·2025
Same author

Catalytic growth in a shared enzyme pool ensures robust control of centrosome size.

eLife·2025
Same journal

A human-specific genetic modifier reconfigures large-scale cortical network dynamics underlying behavioral performance.

bioRxiv : the preprint server for biology·2026
Same journal

<i>Staphylococcus aureus</i> uses a eukaryotic-like uridyltransferase to make UDP-GlcNAc for cell wall synthesis.

bioRxiv : the preprint server for biology·2026
Same journal

Dynamic redistribution of eIF4F controls cap-dependent translation initiation.

bioRxiv : the preprint server for biology·2026
Same journal

When does additional information improve accuracy of RNA secondary structure prediction?

bioRxiv : the preprint server for biology·2026
Same journal

Normative brain-state trajectories reveal deviation from healthy aging in Alzheimer's disease.

bioRxiv : the preprint server for biology·2026
Same journal

Noradrenergic infraslow rhythm during sleep is the critical link between heart-rate dynamics and memory consolidation.

bioRxiv : the preprint server for biology·2026
See all related articles

Related Experiment Video

Updated: Sep 8, 2025

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains
06:45

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains

Published on: January 18, 2014

8.7K

Cell Geometry Limits Bacterial Metabolic Efficiency.

Arianna Cylke1, Shiladitya Banerjee2

  • 1Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA.

Biorxiv : the Preprint Server for Biology
|August 20, 2025
PubMed
Summary
This summary is machine-generated.

Bacterial cell size and shape are critical for growth efficiency. This study reveals that optimal growth occurs at the onset of overflow metabolism, with larger surface-area-to-volume ratios improving efficiency.

More Related Videos

Bacterial Cell Culture at the Single-cell Level Inside Giant Vesicles
07:33

Bacterial Cell Culture at the Single-cell Level Inside Giant Vesicles

Published on: April 30, 2019

7.1K
Multi-scale Analysis of Bacterial Growth Under Stress Treatments
12:08

Multi-scale Analysis of Bacterial Growth Under Stress Treatments

Published on: November 28, 2019

9.6K

Related Experiment Videos

Last Updated: Sep 8, 2025

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains
06:45

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains

Published on: January 18, 2014

8.7K
Bacterial Cell Culture at the Single-cell Level Inside Giant Vesicles
07:33

Bacterial Cell Culture at the Single-cell Level Inside Giant Vesicles

Published on: April 30, 2019

7.1K
Multi-scale Analysis of Bacterial Growth Under Stress Treatments
12:08

Multi-scale Analysis of Bacterial Growth Under Stress Treatments

Published on: November 28, 2019

9.6K

Area of Science:

  • Microbiology
  • Systems Biology
  • Biophysics

Background:

  • Bacterial metabolic strategies are intrinsically linked to cellular physical characteristics.
  • Quantitative understanding of how cell size and shape influence biomass production efficiency is limited.

Purpose of the Study:

  • To develop a whole-cell model integrating physiology, metabolism, and geometry to explore constraints on bacterial growth.
  • To investigate the impact of cell morphology and nutrient availability on growth efficiency.

Main Methods:

  • Developed a coarse-grained whole-cell model of bacterial physiology.
  • Integrated proteome allocation, metabolic fluxes, and cell geometry with physical limits (surface area, diffusion).
  • Simulated perturbations to cell morphology and nutrient availability.

Main Results:

  • Cellular growth efficiency is not monotonic with nutrient availability, peaking at the onset of overflow metabolism.
  • A high surface-to-volume ratio significantly enhances bacterial growth efficiency.
  • Geometric constraints dictate a maximum sustainable cell size inversely proportional to growth rate.

Conclusions:

  • Overflow metabolism represents an optimal trade-off between nutrient utilization and growth rate.
  • Physical constraints, particularly cell geometry, fundamentally shape bacterial metabolic strategies and limit cell size.
  • The study provides a mechanistic explanation for observed limits on microbial cell size and growth rates.