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Related Concept Videos

Overview of Algae01:28

Overview of Algae

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...
Marine Microbial Ecology01:30

Marine Microbial Ecology

Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
Red Algae01:23

Red Algae

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...
Green Algae01:21

Green Algae

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...
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Deep Sea Microbial Ecology

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Related Experiment Video

Updated: Jun 28, 2026

High-Throughput Metabolic Profiling for Model Refinements of Microalgae
11:07

High-Throughput Metabolic Profiling for Model Refinements of Microalgae

Published on: December 4, 2021

Genomic insights into marine microalgae.

Micaela S Parker1, Thomas Mock, E Virginia Armbrust

  • 1School of Oceanography, University of Washington, Seattle, Washington 98195, USA. micaela@u.washington.edu

Annual Review of Genetics
|November 6, 2008
PubMed
Summary
This summary is machine-generated.

Marine microalgae, chimeras from multiple endosymbiotic events, drive ocean primary production. Their complex genomes influence metabolic pathways and biomineralization, offering insights into algal genomics.

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Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics
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Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics

Published on: February 18, 2009

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Last Updated: Jun 28, 2026

High-Throughput Metabolic Profiling for Model Refinements of Microalgae
11:07

High-Throughput Metabolic Profiling for Model Refinements of Microalgae

Published on: December 4, 2021

Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics
13:51

Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics

Published on: February 18, 2009

Area of Science:

  • Marine biology
  • Genomics
  • Biochemistry

Background:

  • Marine eukaryotic photosynthesis relies heavily on diverse microalgae.
  • Microalgae include primary endosymbionts (plant-like) and secondary/tertiary endosymbionts (genome chimeras).
  • These chimeric microalgae are crucial for marine primary production.

Purpose of the Study:

  • To review the evolutionary forces shaping marine microalgal genomes.
  • To discuss the metabolic consequences of their complex evolutionary history.
  • To explore biomineralization, programmed cell death, and future genomic research.

Main Methods:

  • Literature review and synthesis of existing research on marine microalgal evolution and genomics.
  • Focus on metabolic pathways related to carbon, nitrogen, and iron.
  • Discussion of biomineralization and programmed cell death.

Main Results:

  • Multiple endosymbiotic events result in complex protein targeting and metabolic pathway coordination.
  • Genomic evolution in marine microalgae impacts key metabolic processes.
  • Evidence suggests programmed cell death occurs in microalgae.

Conclusions:

  • Understanding marine microalgal genome evolution is key to comprehending their ecological roles.
  • Advances in genetic manipulation offer new avenues for research.
  • Future directions include further exploration of marine algal genomics and its applications.