Bacteriochlorophylls

Definition

Bacteriochlorophylls are photosynthetic pigments found in certain phototrophic bacteria. They play a crucial role in capturing light energy for photosynthesis, distinct from chlorophyll found in plants.

5 Must Know Facts For Your Next Test

1. Bacteriochlorophylls are primarily found in anoxygenic phototrophic bacteria, which do not produce oxygen during photosynthesis.
2. They absorb light at different wavelengths compared to plant chlorophylls, allowing these bacteria to thrive in various light environments.
3. There are several types of bacteriochlorophylls, such as bacteriochlorophyll-a and bacteriochlorophyll-b, each with distinct absorption properties.
4. These pigments are located in specialized structures called chromatophores or membrane invaginations within the bacterial cell.
5. Bacteriochlorophylls enable certain bacteria to perform photosynthesis under anaerobic conditions, contributing to their ecological diversity.

Related terms

Phototrophic Bacteria: Bacteria that obtain energy from light through photosynthesis.

Chlorosomes: Light-harvesting complexes found in some green sulfur bacteria and green non-sulfur bacteria.

Anoxygenic Photosynthesis: A type of photosynthesis carried out by certain bacteria where oxygen is not produced as a by-product.