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 Experiment Videos

Nitrate-dependent o(2) evolution in intact leaves.

A de la Torre1, B Delgado, C Lara

  • 1Departamento de Biología Vegetal y Ecología, Universidad de Sevilla-CSIC, Apdo. 1095, 41080-Sevilla, Spain.

Plant Physiology
|July 1, 1991
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Six-year trends in health care-associated infections in Chilean hospitals: A national surveillance analysis (2017-2022).

American journal of infection control·2026
Same author

Fermi surface and pseudogap in highly doped Sr<sub>2</sub>IrO<sub>4</sub>.

npj quantum materials·2025
Same author

First record of bat-pollination in Merremia (Convolvulaceae).

Plant biology (Stuttgart, Germany)·2025
Same author

Production and metabolic responses of Montbéliarde and Holstein cows during the periparturient period and a sequential feed-restriction challenge.

Journal of dairy science·2024
Same author

The use of computed tomography for in vivo estimation of reticulo-rumen and omasum contents in Alpine goats.

JDS communications·2024
Same author

Real world data on outcomes of anti-CD38 antibody treated, including triple class refractory, patients with multiple myeloma: a multi-institutional report from the Canadian Myeloma Research Group (CMRG) Database.

Blood cancer journal·2023
Same journal

TaSPL14-D diverged from its ortholog to regulate tiller angle in rice: a caveat for orthology-based functional inference.

Plant physiology·2026
Same journal

From wrinkled seeds to plant oil accumulation networks: The legacy of a Plant Physiology classic.

Plant physiology·2026
Same journal

LcHXK1 mediates glucose signaling to inhibit fruit abscission by phosphorylating LcWRKY42, a feedback regulator in lignin polymerization.

Plant physiology·2026
Same journal

Partial submergence-induced adventitious root emergence in cucumber requires CsRBOHB-mediated ROS production.

Plant physiology·2026
Same journal

JA differentially regulates a SmWLIM1/MYB62-SUS1 module to control male fertility via starch biosynthesis.

Plant physiology·2026
Same journal

The chloroplastic NFU1 maturation factor sustains iron-sulfur cluster assembly in the dark in Chlamydomonas.

Plant physiology·2026
See all related articles

Nitrate supply enhances oxygen evolution in plants like barley and pea by boosting photosynthesis. This indicates nitrate assimilation uses light energy and CO2 fixation to improve plant oxygen production.

Area of Science:

  • Plant Physiology
  • Photosynthesis Research

Background:

  • Oxygen evolution is a key process in plant photosynthesis.
  • Nitrate assimilation is an important plant metabolic pathway.

Purpose of the Study:

  • To investigate the effect of nitrate supply on oxygen evolution in barley and pea leaves.
  • To determine if nitrate assimilation influences photosynthetic electron flow.

Main Methods:

  • Supplying potassium nitrate (KNO3) to detached barley and pea leaves via the transpiration stream.
  • Measuring oxygen evolution under varying light intensities in a CO2-saturating atmosphere.

Main Results:

  • Potassium nitrate (KNO3) significantly enhanced oxygen evolution.
  • The enhancement was light-dependent, peaking at near-saturating photon flux densities.

Related Experiment Videos

  • Potassium chloride (KCl) and ammonium chloride (NH4Cl) did not stimulate oxygen evolution.

    • Conclusions:

    • Nitrate assimilation utilizes photosynthetically generated reductant.
    • Nitrate acts as a secondary electron acceptor, stimulating non-cyclic electron flow beyond CO2 fixation.