Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Gene Regulation During Sporulation

Gene Regulation During Sporulation

Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...

Endospores and Sporulation

Endospores and Sporulation

Endospores are specialized, dormant cells primarily formed by Gram-positive bacteria, including Bacillus and Clostridium, enabling survival under extreme environmental conditions. Due to their unique composition and formation process, these structures are highly resistant to physical and chemical insults, such as extreme heat, ultraviolet and ionizing radiation, desiccation, and toxic chemicals. Rare instances of endospore-like structures have also been observed in some Gram-negative bacteria,...

Factors Influencing Microbial Growth: pH

Factors Influencing Microbial Growth: pH

Microorganisms are classified as acidophiles, neutrophiles, or alkaliphiles based on their pH growth preferences, reflecting their adaptations to specific environments. Maintaining a stable intracellular pH is critical for macromolecular stability and enzymatic activity, which can be challenged by external pH variations.Neutrophiles, such as Escherichia coli, grow optimally between pH 5.5 and 8.0. These microorganisms inhabit neutral or slightly acidic environments and employ mechanisms like...

Factors Influencing Microbial Growth: Osmolarity

Factors Influencing Microbial Growth: Osmolarity

Osmolarity is the measure of solute concentration in a solution. It plays a critical role in determining water availability for organisms. Water moves across semipermeable membranes through osmosis, flowing from regions of lower solute concentration (more dilute) to regions of higher solute concentration (more concentrated).In high-solute environments, microbial cells lose water, leading to dehydration and inhibited growth. The extent to which water is available to microbes in such environments...

Green Algae

Green Algae

Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...

Overview of Algae

Overview of Algae

The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...

You might also read

Related Articles

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

Sort by

Same author

Childhood obesity: some relevant issues.

Indian journal of pediatrics·2013

Same author

Factors controlling induction of reproduction in algae--review: the text.

Folia microbiologica·2012

Same author

Survival and reproduction of some blue-green and green algae as affected by sewage water, fertilizer factory effluent, brassica oil, phenol, toluene and benzene.

Folia microbiologica·2009

Same author

Vegetative survival of some wall and soil blue-green algae under stress conditions.

Folia microbiologica·2008

Same author

Viability of dried vegetative trichomes, formation of akinetes and heterocysts and akinete germination in some blue-green algae under water stress.

Folia microbiologica·2008

Same author

Survival and reproduction in some algae under stress conditions.

Folia microbiologica·2008

Search research articles

Related Experiment Video

Updated: Jun 19, 2026

Visualization of Germinosomes and the Inner Membrane in Bacillus subtilis Spores

Visualization of Germinosomes and the Inner Membrane in Bacillus subtilis Spores

Published on: April 15, 2019

Factors affecting spore germination in algae - review.

¹Department of Botany, University of Allahabad, Allahabad 211 002, India. 20.satish@gmail.com

Folia Microbiologica

|October 15, 2009

Summary

This summary is machine-generated.

Environmental factors significantly influence algal spore germination. This review synthesizes research on light, temperature, nutrients, and biotic factors affecting spore development and dormancy.

More Related Videos

Detecting Cortex Fragments During Bacterial Spore Germination

Detecting Cortex Fragments During Bacterial Spore Germination

Published on: June 25, 2016

Evaluation of the Effect of Growth Factors on Chlorophylls a and b Production from Microalgae

Evaluation of the Effect of Growth Factors on Chlorophylls a and b Production from Microalgae

Published on: October 25, 2024

Related Experiment Videos

Last Updated: Jun 19, 2026

Visualization of Germinosomes and the Inner Membrane in Bacillus subtilis Spores

Visualization of Germinosomes and the Inner Membrane in Bacillus subtilis Spores

Published on: April 15, 2019

Detecting Cortex Fragments During Bacterial Spore Germination

Detecting Cortex Fragments During Bacterial Spore Germination

Published on: June 25, 2016

Evaluation of the Effect of Growth Factors on Chlorophylls a and b Production from Microalgae

Evaluation of the Effect of Growth Factors on Chlorophylls a and b Production from Microalgae

Published on: October 25, 2024

Area of Science:

Phycology
Environmental Science
Ecology

Background:

Algal spore germination is crucial for population dynamics and ecosystem function.
Understanding environmental influences is key to predicting algal blooms and managing aquatic environments.

Purpose of the Study:

To comprehensively review the known effects of various environmental factors on algal spore germination.
To incorporate research on algal spore dormancy and vegetative cell stress tolerance.

Main Methods:

Literature review of scientific publications.
Synthesis of data on abiotic and biotic factors impacting spore germination.
Inclusion of studies on dormancy and vegetative cell resilience.

Main Results:

Diverse environmental factors including light, temperature, nutrients, pH, and chemicals influence spore germination.
Biotic factors such as algal and bacterial substances, and animal interactions play a significant role.
Radiation (UV, X-rays, gamma-rays), water stress, and pollution also impact germination success.

Conclusions:

Environmental conditions critically regulate algal spore germination and dormancy.
Further research is needed to fully elucidate the complex interactions governing these processes.