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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...
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...
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...
Channel Rhodopsins01:11

Channel Rhodopsins

Most organisms use photoreceptors to sense and respond to light. Examples of photoreceptors include bacteriorhodopsins and bacteriophytochromes in some bacteria, phytochromes in plants, and rhodopsins in the photoreceptor cells of the vertebral retina. The light-sensitive property of these receptors is because of the bound chromophores, such as bilin in the phytochromes and retinal in the rhodopsins.
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...
Diversity of Protists III01:27

Diversity of Protists III

Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...

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Related Experiment Video

Updated: Jul 4, 2026

Autofluorescence Imaging to Evaluate Red Algae Physiology
05:54

Autofluorescence Imaging to Evaluate Red Algae Physiology

Published on: February 17, 2023

Characterization of algae using regularities.

H Y Lee1, L E Erickson

  • 1Department of Chemical Engineering, Kansas State University, Manhattan, Kansas 66506, USA.

Biotechnology and Bioengineering
|July 1, 1984
PubMed
Summary
This summary is machine-generated.

Algae

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Qualitative Characterization of the Aqueous Fraction from Hydrothermal Liquefaction of Algae Using 2D Gas Chromatography with Time-of-flight Mass Spectrometry

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High-Throughput Metabolic Profiling for Model Refinements of Microalgae
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High-Throughput Metabolic Profiling for Model Refinements of Microalgae

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Last Updated: Jul 4, 2026

Autofluorescence Imaging to Evaluate Red Algae Physiology
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Qualitative Characterization of the Aqueous Fraction from Hydrothermal Liquefaction of Algae Using 2D Gas Chromatography with Time-of-flight Mass Spectrometry
11:44

Qualitative Characterization of the Aqueous Fraction from Hydrothermal Liquefaction of Algae Using 2D Gas Chromatography with Time-of-flight Mass Spectrometry

Published on: March 6, 2016

High-Throughput Metabolic Profiling for Model Refinements of Microalgae
11:07

High-Throughput Metabolic Profiling for Model Refinements of Microalgae

Published on: December 4, 2021

Area of Science:

  • Biotechnology
  • Microbiology

Background:

  • Algae are increasingly studied for their potential in various biotechnological applications.
  • Understanding their elemental composition, such as carbon content and reductance degree, is crucial for optimizing their use.
  • Comparison with other microorganisms like yeast and bacteria provides context for algal properties.

Purpose of the Study:

  • To review literature data on the weight fraction carbon and reductance degree of algae.
  • To compare these values with those of yeast and bacteria.
  • To investigate the influence of nutritional conditions on these algal parameters.

Main Methods:

  • Literature review of existing studies on algae.
  • Statistical analysis of weight fraction carbon and reductance degree data.
  • Comparative analysis with data from yeast and bacteria.

Main Results:

  • Algae grown under adequate nutritional conditions exhibit low standard deviation and coefficient of variation for weight fraction carbon and reductance degree.
  • Nitrogen-deficient conditions lead to lipid storage in algae.
  • Lipid storage results in higher-than-average values for weight fraction carbon and reductance degree.

Conclusions:

  • Nutritional conditions significantly impact the carbon content and reductance degree of algae.
  • Algae's ability to store lipids under nutrient stress influences their elemental composition.
  • These findings are important for applications utilizing algae, such as biofuel production or carbon sequestration.