Carotenoids are, along with chlorophylls, the most abundant pigments found in nature. They
are present in most organisms including humans but can be synthesized only by plants and …

The invention of the laser in 1960 gave us the ruby laser, which generally produced chaotic
pulses of light. Six years later, in 1966, a concept called passive mode-locking applied to …

Photosystem II is a photochemical reaction center that catalyzes the light‐driven oxidation of
water to molecular oxygen. Water oxidation is the distinctive photochemical reaction that …

Chlorosomes are the light-harvesting antenna organelles found in two groups of bacteria,
thegreen sulfur bacteria and the green filamentous bacteria, collectively known as …

Green photosynthetic bacteria contain unique peripheral antenna complexes known as
chlorosomes. Chlorosome complexes are optimized for light collection at low levels. The …

Based upon their photosynthetic nature and the presence of a unique light-harvesting
antenna structure, the chlorosome, the photosynthetic green bacteria are defined as a …

Light-harvesting complexes (LHCs) serve a dual role in photosynthesis, depending on the
prevailing light conditions. In low light, they ensure photosynthetic efficiency by maximizing …

The green sulfur bacterium Chlorobium tepidum is a strict anaerobe and an obligate
photoautotroph. On the basis of sequence similarity with known enzymes or sequence …

In contrast to photosynthetic reaction centers, which share the same structural architecture,
more variety is found in the light-harvesting antenna systems of phototrophic organisms. The …

The excited-state relaxation within bacteriochlorophyll (BChl) e and a in chlorosomes of
Chlorobium phaeobacteroides has been studied by femtosecond transient absorption …