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4 Results Found

  • Article
  • Open Access
39 Citations
6,819 Views
18 Pages

Photosynthesis is a key process for the establishment and maintenance of life on earth, and it is manifested in several major lineages of the prokaryote tree of life. The evolution of photosynthesis in anoxygenic photosynthetic bacteria is of major i...

  • Article
  • Open Access
18 Citations
11,895 Views
19 Pages

11 October 2013

A simple, rapid, and inexpensive extraction method for carotenoids and other non-polar compounds present in phototrophic bacteria has been developed. The method, which has been extensively tested on the phototrophic purple non-sulphur bacterium Rhodo...

  • Review
  • Open Access
212 Citations
42,587 Views
63 Pages

Chlorophylls, Symmetry, Chirality, and Photosynthesis

  • Mathias O. Senge,
  • Aoife A. Ryan,
  • Kristie A. Letchford,
  • Stuart A. MacGowan and
  • Tamara Mielke

10 September 2014

Chlorophylls are a fundamental class of tetrapyrroles and function as the central reaction center, accessory and photoprotective pigments in photosynthesis. Their unique individual photochemical properties are a consequence of the tetrapyrrole macroc...

  • Article
  • Open Access
23 Citations
5,556 Views
22 Pages

Adaptation to Photooxidative Stress: Common and Special Strategies of the Alphaproteobacteria Rhodobacter sphaeroides and Rhodobacter capsulatus

  • Mathieu K. Licht,
  • Aaron M. Nuss,
  • Marcel Volk,
  • Anne Konzer,
  • Michael Beckstette,
  • Bork A. Berghoff and
  • Gabriele Klug

Photosynthetic bacteria have to deal with the risk of photooxidative stress that occurs in presence of light and oxygen due to the photosensitizing activity of (bacterio-) chlorophylls. Facultative phototrophs of the genus Rhodobacter adapt the forma...