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相关概念视频

Bacterial Phylum Cyanobacteria01:30

Bacterial Phylum Cyanobacteria

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Cyanobacteria are a diverse group of oxygenic, phototrophic bacteria that played a pivotal role in converting Earth’s atmosphere from anoxic to oxygen-rich billions of years ago. They exhibit remarkable morphological diversity, ranging from unicellular forms to filamentous types, with cell sizes varying between 0.5 μm and 100 μm. Cyanobacteria are classified into five groups: Chroococcales (unicellular, dividing by binary fission), Pleurocapsales (unicellular, dividing by...
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Anoxygenic Phototrophic Bacteria01:28

Anoxygenic Phototrophic Bacteria

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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...
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Anoxygenic Photosynthesis01:30

Anoxygenic Photosynthesis

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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...
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Primary Production01:06

Primary Production

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The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
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Diversity of Protists I01:15

Diversity of Protists I

46
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
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Other Algae01:19

Other Algae

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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...
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A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
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植物浮游生物与细菌的相互作用 1.0

Katherina Petrou1

  • 1School of Life Sciences, University of Technology Sydney, Sydney, NSW 2007, Australia.

Microorganisms
|June 15, 2023
PubMed
概括
此摘要是机器生成的。

植物浮游生物和细菌对水生生态系统至关重要. 它们的相互作用驱动营养循环和能量流,影响生态系统的整体健康和生产力.

科学领域:

  • 水生生态学 水生生态学
  • 微生物学 微生物学
  • 生物地质化学生物地质化学

背景情况:

  • 植物浮游生物和细菌是水生环境中的关键微生物参与者.
  • 这些生物体负责基本的过程,如营养循环和初级生产.
  • 了解它们的相互作用对于水生生态系统管理至关重要.

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