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

Anoxygenic Phototrophic Bacteria01:28

Anoxygenic Phototrophic Bacteria

138
Anoxygenic phototrophic bacteria are a diverse group of microorganisms that perform photosynthesis without producing oxygen. They primarily include purple sulfur bacteria, purple nonsulfur bacteria, green sulfur bacteria, and green nonsulfur bacteria. These bacteria are classified into the Gammaproteobacteria, Alphaproteobacteria, Betaproteobacteria, Chlorobi, and Chloroflexi lineages, each with distinct physiological and ecological adaptations.Purple sulfur bacteria belong to the...
138
Photosystem I01:27

Photosystem I

64.3K
Although structurally similar to photosystem II (PSII), photosystem I (PSI) is has a different electron supplier and electron acceptor.
Both these photosystems work in concert. An excited electron from PSII is relayed to PSI via an electron transport chain in the thylakoid membrane of the chloroplast, which is comprised of the carrier molecule plastoquinone, the dual-protein cytochrome complex, and plastocyanin. As electrons move between PSII and PSI, they lose energy and must be re-energized...
64.3K
Other Algae01:19

Other Algae

86
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...
86
Green Algae01:21

Green Algae

195
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
195
Red Algae01:23

Red Algae

128
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...
128
Anoxygenic Photosynthesis01:30

Anoxygenic Photosynthesis

137
Anoxygenic photosynthesis is a phototrophic process that captures light energy to drive carbon fixation without producing molecular oxygen. Unlike oxygenic photosynthesis, which utilizes water as an electron donor and releases oxygen, anoxygenic phototrophs use alternative electron donors such as hydrogen sulfide (H₂S), elemental sulfur (S⁰), or thiosulfate (S₂O₃²⁻). This process is carried out by diverse groups of bacteria, including purple bacteria, green...
137

You might also read

Related Articles

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

Sort by
Same author

Statistics of twinning in strained ferroelastics.

Journal of physics. Condensed matter : an Institute of Physics journal·2017
Same author

Retraction Note to: Relationship between inflammatory cytokines and risk of depression, and effect of depression on the prognosis of high grade glioma patients.

Journal of neuro-oncology·2017
Same author

The Edge Stresses and Phase Transitions for Magnetic BN Zigzag Nanoribbons.

Scientific reports·2017
Same author

Photonics-based broadband radar for high-resolution and real-time inverse synthetic aperture imaging.

Optics express·2017
Same author

Selective malaria antibody screening among eligible blood donors in Jiangsu, China.

Revista do Instituto de Medicina Tropical de Sao Paulo·2017
Same author

Electron Beam Etching of CaO Crystals Observed Atom by Atom.

Nano letters·2017

Related Experiment Video

Updated: Sep 6, 2025

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping
09:32

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping

Published on: July 2, 2012

18.9K

A Large Silicon Pool in Small Picophytoplankton.

Yuqiu Wei1,2, Jun Sun3,4

  • 1Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China.

Frontiers in Microbiology
|June 27, 2022
PubMed
Summary

Marine picophytoplankton significantly contribute to ocean carbon and silica cycles. Further research is needed to quantify their role and understand silica accumulation and sinking mechanisms in these abundant, widespread organisms.

Keywords:
Si accumulationbiogeochemical cyclescarbon cyclepicophytoplanktonsilicon cycle

More Related Videos

Multimodal Analysis of Microplastics in Drinking Water using a Silicon Nanomembrane Analysis Pipeline
09:10

Multimodal Analysis of Microplastics in Drinking Water using a Silicon Nanomembrane Analysis Pipeline

Published on: June 13, 2025

479
Porous Silicon Microparticles for Delivery of siRNA Therapeutics
08:31

Porous Silicon Microparticles for Delivery of siRNA Therapeutics

Published on: January 15, 2015

11.0K

Related Experiment Videos

Last Updated: Sep 6, 2025

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping
09:32

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping

Published on: July 2, 2012

18.9K
Multimodal Analysis of Microplastics in Drinking Water using a Silicon Nanomembrane Analysis Pipeline
09:10

Multimodal Analysis of Microplastics in Drinking Water using a Silicon Nanomembrane Analysis Pipeline

Published on: June 13, 2025

479
Porous Silicon Microparticles for Delivery of siRNA Therapeutics
08:31

Porous Silicon Microparticles for Delivery of siRNA Therapeutics

Published on: January 15, 2015

11.0K

Area of Science:

  • Marine microbial ecology
  • Biogeochemical cycles
  • Oceanography

Background:

  • Marine picophytoplankton (<2 μm) are crucial for marine food webs and global carbon (C) cycling.
  • Recent findings reveal significant silica (Si) accumulation in picophytoplankton, challenging the dominance of large diatoms in the Si cycle.
  • High cell abundance and wide distribution make picophytoplankton key players in elemental cycling.

Purpose of the Study:

  • To review and synthesize current knowledge on picophytoplankton's role in marine carbon and silica cycles.
  • To highlight the need for further research on picophytoplankton physiology, ecology, and Si biogeochemistry.
  • To establish a framework for understanding picophytoplankton's contribution to Si accumulation and C-Si cycle coupling.

Main Methods:

  • This is a review article, synthesizing existing research on marine picophytoplankton.
  • Analysis of current literature on picophytoplankton's physiological and ecological roles.
  • Evaluation of studies related to carbon and silica cycling in marine environments.

Main Results:

  • Picophytoplankton possess significant silica accumulation capabilities.
  • Their abundance and distribution suggest a substantial, yet understudied, impact on marine biogeochemical cycles.
  • Existing research is limited, necessitating targeted studies on their specific contributions.

Conclusions:

  • Picophytoplankton represent a critical, underappreciated component of the marine silica cycle.
  • Understanding their Si pool and regulation mechanisms is essential for a comprehensive view of ocean biogeochemistry.
  • Further investigation will refine our understanding of the coupling between carbon and silicon cycles in the global ocean.