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

Lineage Commitment01:21

Lineage Commitment

4.4K
Commitment is the  process whereby stem cells:
4.4K
Close Relationships and Culture01:29

Close Relationships and Culture

250
Culture shapes how people approach attraction, choose partners, and build long-term relationships. While some preferences in mate selection appear consistent across cultures, such as men valuing physical attractiveness and women emphasizing financial resources, cultural contexts influence how these preferences are expressed and prioritized. Marriage extends beyond romantic ideals in many societies and is deeply embedded in social, economic, and religious frameworks.The Role of Culture in Mate...
250
Friendships and Close Friendships01:20

Friendships and Close Friendships

242
Friendship formation is a dynamic process shaped by psychological, cultural, and social factors. Friendships play a crucial role in emotional well-being, social development, and personal identity from childhood to adulthood.Childhood and Early FriendshipsFriendships in childhood often arise due to shared environments, such as school or neighborhood interactions. At this stage, proximity and common interests serve as the primary basis for connection. As children grow, their friendships evolve...
242
Open and closed-loop control systems01:17

Open and closed-loop control systems

1.8K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
1.8K
Critical Numbers and the Closed Interval Method01:21

Critical Numbers and the Closed Interval Method

72
Understanding the maximum and minimum values of a function is essential for analyzing its overall behavior. These values, often referred to as extrema, provide insight into how a function behaves across its domain. In mathematical terms, extrema can be either local—representing peaks and valleys within a limited region—or absolute, indicating the highest or lowest points over an entire interval.A function’s extrema occur at critical numbers, which are values in the domain...
72
Communication01:03

Communication

8.8K
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
8.8K

You might also read

Related Articles

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

Sort by
Same author

Global population structure in MAST-4 unicellular marine predators.

Communications biology·2026
Same author

Microbial fingerprinting of marine water masses in an Antarctic and hydrographically complex area.

BMC biology·2026
Same author

Functional complementarity between vitamin B1 and B12 metabolisms shapes seasonal marine microbial communities.

The ISME journal·2026
Same author

Microbial generalists and specialists in permafrost demonstrate disparate responses to extreme environments.

Journal of environmental management·2026
Same author

Ecological Processes Shaping Marine Microbial Assemblages Diverge Between Equatorial and Temperate Time-Series.

Molecular ecology·2026
Same author

Unifying microorganisms and macrograzers in intertidal rocky shore ecological networks.

Ecology·2026

Related Experiment Video

Updated: Feb 11, 2026

Co-localization of Cell Lineage Markers and the Tomato Signal
10:56

Co-localization of Cell Lineage Markers and the Tomato Signal

Published on: December 28, 2016

12.8K

Delineating closely related dinoflagellate lineages using phylotranscriptomics.

Nataliia V Annenkova1, Dag Ahrén2,3, Ramiro Logares4

  • 1Limnological Institute Siberian Branch of the Russian Academy of Sciences 3, Ulan-Batorskaya St., 664033, Irkutsk, Russia.

Journal of Phycology
|April 21, 2018
PubMed
Summary

Phylotranscriptomics resolved the evolutionary relationships of three recently diverged dinoflagellate species. Apocalathium aciculiferum, adapted to freshwater, diverged from two marine-adapted lineages, Apocalathium malmogiense and Apocalathium aff. malmogiense.

Keywords:
High Throughput Sequencingadaptive radiationmicroalgaephylogenomics, transcriptomeprotists

More Related Videos

Sequential Photo-bleaching to Delineate Single Schwann Cells at the Neuromuscular Junction
11:12

Sequential Photo-bleaching to Delineate Single Schwann Cells at the Neuromuscular Junction

Published on: January 11, 2013

11.1K
Cell-Lineage Guided Mass Spectrometry Proteomics in the Developing Frog Embryo
09:18

Cell-Lineage Guided Mass Spectrometry Proteomics in the Developing Frog Embryo

Published on: April 21, 2022

2.2K

Related Experiment Videos

Last Updated: Feb 11, 2026

Co-localization of Cell Lineage Markers and the Tomato Signal
10:56

Co-localization of Cell Lineage Markers and the Tomato Signal

Published on: December 28, 2016

12.8K
Sequential Photo-bleaching to Delineate Single Schwann Cells at the Neuromuscular Junction
11:12

Sequential Photo-bleaching to Delineate Single Schwann Cells at the Neuromuscular Junction

Published on: January 11, 2013

11.1K
Cell-Lineage Guided Mass Spectrometry Proteomics in the Developing Frog Embryo
09:18

Cell-Lineage Guided Mass Spectrometry Proteomics in the Developing Frog Embryo

Published on: April 21, 2022

2.2K

Area of Science:

  • * Marine biology and microbial ecology
  • * Protist evolution and phylogenetics

Background:

  • * The dinoflagellate genus Apocalathium comprises species with unresolved phylogenetic relationships, despite distinct morphologies.
  • * Recent isolates from Sweden, the Baltic Sea, and Antarctica represent a lineage requiring further phylogenetic investigation.

Purpose of the Study:

  • * To determine the phylogenetic relationships among three recently radiated Apocalathium dinoflagellate lineages.
  • * To investigate the evolutionary divergence and adaptation of these species using phylotranscriptomics.

Main Methods:

  • * Phylotranscriptomic analysis utilizing 792 amino acid sequences.
  • * Comparative analysis of morphological traits (cell size, length, spines) and habitat (salinity tolerance).

Main Results:

  • * Phylotranscriptomic analysis successfully resolved the phylogeny, showing Apocalathium aciculiferum diverged from the other two lineages.
  • * Morphological differences in cell size, relative cell length, and spine presence correlate with phylogenetic divergence.
  • * Apocalathium aff. malmogiense and Apocalathium malmogiense are closely related, likely diverging from a marine ancestor with broad salinity adaptation, while A. aciculiferum adapted to freshwater.

Conclusions:

  • * Phylotranscriptomics is effective in resolving the phylogeny of recently diverged protists, even those with similar morphology.
  • * The study elucidates the evolutionary history and adaptive divergence of Apocalathium species concerning salinity tolerance and habitat.
  • * Findings highlight the utility of transcriptomic data for understanding phytoplankton evolution where traditional methods may be insufficient.