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

Photoreceptors and Plant Responses to Light02:00

Photoreceptors and Plant Responses to Light

Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
Responses to Gravity and Touch02:26

Responses to Gravity and Touch

Gravitropism: Plant Responses to Gravity
Light Acquisition02:16

Light Acquisition

In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
Biological Clocks and Seasonal Responses02:45

Biological Clocks and Seasonal Responses

The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.
Cell Signaling in Plants01:25

Cell Signaling in Plants

Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
Morphogenesis02:19

Morphogenesis

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.

You might also read

Related Articles

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

Sort by
Same author

Addition of Intravesical Recombinant Bacillus Calmette-Guérin to Perioperative Chemoimmunotherapy in Muscle-Invasive Bladder Cancer: Primary Analysis of the Single-Arm Phase II Trial SAKK 06/19.

Journal of clinical oncology : official journal of the American Society of Clinical Oncology·2026
Same author

European Association of Urology Guidelines on Testicular Cancer: Summary of the 2026 Guidelines.

European urology·2026
Same author

One year in: early European adoption of the da Vinci Single Port platform-a multi-institutional study from the European Association of Urology Robotic Urology Section Scientific Working Group.

BJU international·2026
Same author

Transcriptional dynamics and chromatin accessibility in the regulation of shade-responsive genes in Arabidopsis.

Genome biology·2025
Same author

Correction: Proteomic-based stratification of intermediate-risk prostate cancer patients.

Life science alliance·2025
Same author

Local recurrence after glans-sparing surgery: no impact on penile cancer-specific survival.

BJU international·2025

Related Experiment Video

Updated: May 16, 2026

Robotic Sensing and Stimuli Provision for Guided Plant Growth
08:02

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

Phototropism: translating light into directional growth.

Tim Hohm1, Tobias Preuten, Christian Fankhauser

  • 1Department of Medical Genetics, Faculty of Biology and Medicine, University of Lausanne, Rue du Bugnon 27, CH-1005 Lausanne, Switzerland.

American Journal of Botany
|November 16, 2012
PubMed
Summary

Plants use phototropism to grow towards light, a process mediated by phototropin photoreceptors. This review details how light perception by phototropins triggers molecular events leading to directional growth in Arabidopsis.

More Related Videos

A Strategy to Validate the Role of Callose-mediated Plasmodesmal Gating in the Tropic Response
12:18

A Strategy to Validate the Role of Callose-mediated Plasmodesmal Gating in the Tropic Response

Published on: April 17, 2016

Analysis of Arabidopsis thaliana Growth Behavior in Different Light Qualities
05:34

Analysis of Arabidopsis thaliana Growth Behavior in Different Light Qualities

Published on: February 2, 2018

Related Experiment Videos

Last Updated: May 16, 2026

Robotic Sensing and Stimuli Provision for Guided Plant Growth
08:02

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

A Strategy to Validate the Role of Callose-mediated Plasmodesmal Gating in the Tropic Response
12:18

A Strategy to Validate the Role of Callose-mediated Plasmodesmal Gating in the Tropic Response

Published on: April 17, 2016

Analysis of Arabidopsis thaliana Growth Behavior in Different Light Qualities
05:34

Analysis of Arabidopsis thaliana Growth Behavior in Different Light Qualities

Published on: February 2, 2018

Area of Science:

  • Plant Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Phototropism enables plants to optimize light absorption for photosynthesis.
  • Phototropin blue light photoreceptors (phot1, phot2) initiate the phototropic response in Arabidopsis.
  • Light-activated kinase activity of phototropins is crucial for sensing light direction.

Purpose of the Study:

  • To review the molecular mechanisms linking light perception to directional growth in plants.
  • To elucidate the steps from photoreceptor activation to asymmetric growth.
  • To highlight the interconnectedness of signaling events in phototropism.

Main Methods:

  • Literature review focusing on phototropism research in Arabidopsis.
  • Analysis of molecular events involving phototropin signaling pathways.
  • Discussion of the role of auxin gradients in mediating growth responses.

Main Results:

  • Phototropin activation and kinase domain phosphorylation are essential early steps.
  • These events initiate auxin redistribution, causing hypocotyl differential growth.
  • The review consolidates current understanding of the signaling cascade.

Conclusions:

  • Phototropism is a complex process involving light perception, signal transduction, and growth modulation.
  • Understanding these molecular links is key to comprehending plant adaptation to light environments.
  • Further research is needed to fully elucidate the intermediate steps between photoreceptor activation and growth.