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Related Concept Videos

Other Algae01:19

Other Algae

The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
Overview of Algae01:28

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...
Red Algae01:23

Red Algae

Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
Green Algae01:21

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...
Biofuels01:25

Biofuels

The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
Microbial Bioremediation of Hydrocarbons01:26

Microbial Bioremediation of Hydrocarbons

Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...

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Related Experiment Video

Updated: Jun 21, 2026

Repeatable Stair-step Assay to Access the Allelopathic Potential of Weedy Rice (Oryza sativa ssp.)
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Repeatable Stair-step Assay to Access the Allelopathic Potential of Weedy Rice (Oryza sativa ssp.)

Published on: January 28, 2020

[Algal control ability of allelopathically active submerged macrophytes: a review].

Xi Xiao1, Li-ping Lou, Hua Li

  • 1Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029, China. prana@zju.edu.cn

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|July 30, 2009
PubMed
Summary
This summary is machine-generated.

Submerged plants release chemicals that inhibit algae, helping keep lakes clear. Research shows specific plants and compounds are effective, but more study is needed on environmental influences.

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Last Updated: Jun 21, 2026

Repeatable Stair-step Assay to Access the Allelopathic Potential of Weedy Rice (Oryza sativa ssp.)
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Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids

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Area of Science:

  • Aquatic Ecology
  • Phytochemistry

Context:

  • Shallow lakes often experience shifts between clear-water and turbid states.
  • Submerged macrophytes play a crucial role in maintaining clear-water conditions.

Purpose:

  • To review the current understanding of submerged macrophyte allelopathy on algae.
  • To synthesize research on the occurrence, types, and effects of allelochemicals from aquatic plants.

Summary:

  • Allelopathically active submerged macrophytes, like Myriophyllum and Ceratophyllum, effectively control phytoplankton, particularly cyanobacteria and diatoms.
  • Released allelochemicals, such as hydroxybenzene, inhibit algal growth, with varying sensitivity among species.
  • Environmental factors like light, temperature, and nutrients significantly modulate these allelopathic interactions.

Impact:

  • Highlights the potential of submerged macrophytes for natural lake restoration and management.
  • Identifies knowledge gaps, emphasizing the need for further research on allelochemicals and environmental influences.