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

What is Evolutionary History?02:35

What is Evolutionary History?

43.7K
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
43.7K
The Roles of Bacteria and Fungi in Plant Nutrition02:11

The Roles of Bacteria and Fungi in Plant Nutrition

47.5K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
47.5K
Other Algae01:19

Other Algae

505
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...
505
Overview of Algae01:28

Overview of Algae

995
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...
995
Life Histories01:29

Life Histories

22.9K
Overview
22.9K
Red Algae01:23

Red Algae

1.1K
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...
1.1K

You might also read

Related Articles

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

Sort by
Same author

Cultivation of <i>Limnospira platensis</i> (Spirulina) in Full Seawater with Medium Recycling: A Promising Source of Protein and Phycocyanin for Arid Coastal Regions.

Marine drugs·2026
Same author

Exploring <i>Isochrysis galbana</i> Biomass Formats: Effects on Live Prey Oxidative Status and Lipid Profiles for Their Potential Use in Aquaculture Larval Nutrition.

Aquaculture nutrition·2025
Same author

Effect of sulfate availability on phytoplankton stoichiometry.

Journal of phycology·2025
Same author

The Use of Chemical Flocculants and Chitosan as a Pre-Concentration Step in the Harvesting Process of Three Native Microalgae Species from the Canary Islands Cultivated Outdoors at the Pilot Scale.

Microorganisms·2025
Same author

Characterization of Microalgae Biomass-Based Composites Obtained through Rotational Molding.

Polymers·2024
Same author

Valorization of Seaweed Wracks: Inclusion as Additive in Diets for Grass Carp (<i>Ctenopharyngodon idella</i>).

Aquaculture nutrition·2023

Related Experiment Video

Updated: Feb 13, 2026

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

2.0K

Intraspecific interactions between algae with different nutritional histories.

Marianna Venuleo1, Mario Giordano1,2,3,4

  • 1Laboratory of Algal and Plant Physiology, Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Ancona, Italy.

Journal of Phycology
|March 14, 2018
PubMed
Summary
This summary is machine-generated.

Diatom cells grown under different nutrient conditions show altered competitive interactions when mixed. This suggests prior nutritional history impacts a population's success in new environments.

Keywords:
acclimationchemical communicationintraspecific competitionnutritionreproductive potential

More Related Videos

Establishment of a Clonal Culture of Unicellular Conjugating Algae
10:53

Establishment of a Clonal Culture of Unicellular Conjugating Algae

Published on: July 14, 2018

14.0K
At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques
07:10

At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques

Published on: February 11, 2020

7.7K

Related Experiment Videos

Last Updated: Feb 13, 2026

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

2.0K
Establishment of a Clonal Culture of Unicellular Conjugating Algae
10:53

Establishment of a Clonal Culture of Unicellular Conjugating Algae

Published on: July 14, 2018

14.0K
At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques
07:10

At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques

Published on: February 11, 2020

7.7K

Area of Science:

  • Marine biology
  • Microbial ecology
  • Physiological ecology

Background:

  • The diatom Phaeodactylum tricornutum exhibits phenotypic plasticity in response to varying environmental conditions.
  • Nutritional history can influence cellular composition and physiological state, potentially affecting competitive abilities.

Purpose of the Study:

  • To investigate how prior growth conditions affect the competitive interactions between Phaeodactylum tricornutum populations.
  • To determine if nutritional background confers an advantage in new environmental settings.

Main Methods:

  • Culturing Phaeodactylum tricornutum under five distinct growth regimes (varying NH4+ and GeO2 concentrations).
  • Mixing pairs of populations with different nutritional histories in a novel communal culture regime.
  • Quantifying population ratios using flow cytometry after 6 hours of interaction.

Main Results:

  • Significant alterations in population ratios were observed when cells grown at 1 mM NH4+ were mixed with those from GeO2- or 0.5 mM NH4+-limited conditions.
  • These ratio changes indicate differential competitive success based on prior nutritional status.
  • The findings suggest that nutritional background influences a population's fitness and reproductive potential in new environments.

Conclusions:

  • Prior nutritional conditions significantly impact the competitive interactions and relative success of diatom populations.
  • Differences in expressed proteome and regulatory response tools likely mediate these competitive interactions.
  • This has implications for understanding the persistence of neutral variants within populations adapting to changing environments.