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

Other Algae01:19

Other Algae

569
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...
569
Green Algae01:21

Green Algae

1.0K
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...
1.0K

You might also read

Related Articles

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

Sort by
Same author

The role of far-red fluorescing chlorophylls in the quenching of LHCII.

Photosynthesis research·2026
Same author

Nonconjugated Substituents Modulate Excited-State Dynamics of Keto-Carotenoids.

The journal of physical chemistry. B·2025
Same author

Exciton Delocalization Promotes Far-Red Absorption in a Tetrameric Chlorophyll <i>a</i> Light-Harvesting Complex from <i>Trachydiscus minutus</i>.

Journal of the American Chemical Society·2025
Same author

Two solutions for efficient light-harvesting in phototrophic <i>Gemmatimonadota</i>.

mSystems·2025
Same author

High-resolution structural analysis of the cyanobacterial photosystem I complex reveals independent incorporation of small transmembrane and cytoplasmic subunits.

Plant communications·2025
Same author

Eustigmatophyte model of red-shifted chlorophyll a absorption in light-harvesting complexes.

Communications biology·2024

Related Experiment Video

Updated: Mar 16, 2026

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry
10:08

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry

Published on: July 6, 2022

4.9K

A two-component nonphotochemical fluorescence quenching in eustigmatophyte algae.

David Bína1,2, Karel Bouda1,2, Radek Litvín3,4

  • 1Institute of Plant Molecular Biology, Biology Centre CAS, Branišovská 31, 370 05, České Budějovice, Czech Republic.

Photosynthesis Research
|August 4, 2016
PubMed
Summary

Eustigmatophyte algae exhibit distinct nonphotochemical fluorescence quenching (NPQ) mechanisms. Zeaxanthin drives both slow and fast NPQ, with fast NPQ linked to membrane potential in Nannochloropsis oceanica.

Keywords:
Chl a fluorescenceEustigmatophyceaeNannochloropsisNonphotochemical quenchingXanthophyll cycle

More Related Videos

Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses
10:20

Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses

Published on: August 9, 2019

13.3K
Autofluorescence Imaging to Evaluate Red Algae Physiology
05:54

Autofluorescence Imaging to Evaluate Red Algae Physiology

Published on: February 17, 2023

1.9K

Related Experiment Videos

Last Updated: Mar 16, 2026

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry
10:08

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry

Published on: July 6, 2022

4.9K
Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses
10:20

Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses

Published on: August 9, 2019

13.3K
Autofluorescence Imaging to Evaluate Red Algae Physiology
05:54

Autofluorescence Imaging to Evaluate Red Algae Physiology

Published on: February 17, 2023

1.9K

Area of Science:

  • Photosynthesis research
  • Algal physiology
  • Plant biochemistry

Background:

  • Eustigmatophyte algae utilize violaxanthin for light harvesting and xanthophyll cycle.
  • Understanding excitation energy flow regulation is crucial for algal research.

Purpose of the Study:

  • To investigate nonphotochemical fluorescence quenching (NPQ) in Nannochloropsis oceanica.
  • To analyze the relationship between NPQ components and the xanthophyll pool.

Main Methods:

  • Studied fluorescence induction kinetics in Nannochloropsis oceanica.
  • Analyzed nonphotochemical fluorescence quenching (NPQ) in relation to cellular xanthophyll pool.
  • Measured NPQ components in other eustigmatophyte species.

Main Results:

  • Resolved two NPQ components (slow and fast), both dependent on zeaxanthin.
  • Slow NPQ is proportional to zeaxanthin levels.
  • Fast NPQ is transiently induced by membrane potential on subsecond timescales.

Conclusions:

  • Zeaxanthin plays a dual role in regulating NPQ in eustigmatophytes.
  • Identified distinct kinetic behaviors for slow and fast NPQ components.
  • Findings are applicable across diverse eustigmatophyte species.