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

Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

13.5K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.5K
Short-distance Transport of Resources02:12

Short-distance Transport of Resources

14.5K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
14.5K
Introduction to Plant Diversity02:22

Introduction to Plant Diversity

39.9K
From Water to Land
39.9K
Overview of Algae01:28

Overview of Algae

1.6K
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...
1.6K
Responses to Salt Stress02:02

Responses to Salt Stress

12.2K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
12.2K
Morphogenesis02:19

Morphogenesis

19.9K
Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
19.9K

You might also read

Related Articles

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

Sort by
Same author

Evidence for the Collective Nature of Radial Flow in Pb+Pb Collisions with the ATLAS Detector.

Physical review letters·2026
Same author

Evidence for the Dimuon Decay of the Higgs Boson in pp Collisions with the ATLAS Detector.

Physical review letters·2025
Same author

Evidence for Longitudinally Polarized W Bosons in the Electroweak Production of Same-Sign W Boson Pairs in Association with Two Jets in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Physical review letters·2025
Same author

Observation of tt[over ¯] Production in Pb+Pb Collisions at sqrt[s_{NN}]=5.02  TeV with the ATLAS Detector.

Physical review letters·2025
Same author

Search for Dark Matter Produced in Association with a Dark Higgs Boson in the bb[over ¯] Final State Using pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector.

Physical review letters·2025
Same author

Search for Magnetic Monopole Pair Production in Ultraperipheral Pb+Pb Collisions at sqrt[s_{NN}]=5.36  TeV with the ATLAS Detector at the LHC.

Physical review letters·2025
Same journal

Quantitative phosphoproteomics profiling reveals the regulatory mechanisms underlying high light stress in maize and rice.

Photosynthesis research·2026
Same journal

Siphonous green macroalgae with contrasting capacities for the energy-dependent quenching, qE, rely on different photoprotective mechanisms.

Photosynthesis research·2026
Same journal

On the unidirectionality of electron transfer in reaction centers of Chloroflexus aurantiacus.

Photosynthesis research·2026
Same journal

The contribution of the <sup>240</sup>Ala:Glu:Glu:Thr<sup>243</sup> sequence in the DE-loop of D2 to the acceptor side of Photosystem II.

Photosynthesis research·2026
Same journal

Quick conversions and de novo synthesis within the entire α- and β-carotenoid branches during non-steady-state light transients.

Photosynthesis research·2026
Same journal

Q<sub>A</sub> and Q<sub>B</sub> reduction states induce protein dynamics underlying the dual phase fluorescence rise in Photosystem II.

Photosynthesis research·2026
See all related articles

Related Experiment Video

Updated: May 3, 2026

Separation of Spinach Thylakoid Protein Complexes by Native Green Gel Electrophoresis and Band Characterization using Time-Correlated Single Photon Counting
08:40

Separation of Spinach Thylakoid Protein Complexes by Native Green Gel Electrophoresis and Band Characterization using Time-Correlated Single Photon Counting

Published on: February 14, 2019

7.2K

State 1/State 2 changes in higher plants and algae.

W P Williams1, J F Allen

  • 1Department of Biochemistry, King's College London (KQC), Kensington Campus, Campden Hill, W8 7AH, London.

Photosynthesis Research
|January 18, 2014
PubMed
Summary
This summary is machine-generated.

State 1/State 2 transitions in plants and algae involve light-harvesting complex II (LHC-II) phosphorylation. This study examines evidence and compares these transitions across different algal groups.

More Related Videos

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana
07:45

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana

Published on: July 14, 2021

2.0K
Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform
06:28

Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform

Published on: June 7, 2024

2.8K

Related Experiment Videos

Last Updated: May 3, 2026

Separation of Spinach Thylakoid Protein Complexes by Native Green Gel Electrophoresis and Band Characterization using Time-Correlated Single Photon Counting
08:40

Separation of Spinach Thylakoid Protein Complexes by Native Green Gel Electrophoresis and Band Characterization using Time-Correlated Single Photon Counting

Published on: February 14, 2019

7.2K
Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana
07:45

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana

Published on: July 14, 2021

2.0K
Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform
06:28

Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform

Published on: June 7, 2024

2.8K

Area of Science:

  • Photosynthesis research
  • Plant molecular biology
  • Algal physiology

Background:

  • State 1/State 2 transitions are crucial for optimizing light absorption in photosynthesis.
  • The prevailing hypothesis attributes these transitions to the phosphorylation of light-harvesting complex II (LHC-II).

Purpose of the Study:

  • To critically evaluate the evidence supporting the LHC-II phosphorylation model for State 1/State 2 transitions.
  • To explore the similarities and differences in these transitions between higher plants, green algae, red algae, and blue-green algae.

Main Methods:

  • Literature review and critical analysis of existing experimental data.
  • Comparative analysis of photosynthetic mechanisms across diverse algal phyla.

Main Results:

  • Evidence supporting the role of LHC-II phosphorylation is presented and discussed.
  • Comparisons reveal conserved and divergent aspects of State 1/State 2 transitions in different photosynthetic organisms.

Conclusions:

  • The phosphorylation of LHC-II remains a central, though not exclusive, mechanism for State 1/State 2 transitions.
  • Understanding these transitions in various algae provides insights into the evolution of photosynthetic light regulation.