Chlorobium limicola

In Chlorobium limicola . thiosulfatophilum cytochrome c-SSl serves as electron acceptor of thiosulfate oxidation, before the electrons flow to oxidized bacteriochlorophyll via a soluble small cytochrome c-SSS and a membrane-bound cytochrome (2). The absence of cytochrome c-SSl in the non-thiosulfate-utilizing Chlorobiaceae might be one explanation why these organisms cannot use thiosulfate (4). 

A pteridine glycoside closely related to (463) was isolated from Chlorobium limicola f. thio-sulfatophilum NCIB 8327 and identified, by spectral means and chemical degradations, as l-(bio-pterin-2 -yl)-Af-acetyl-/J-D-glucosamine <95HCA600>. The native form of limipterin (464) is the 5,6,7,8-tetrahydro derivative. 

R Emerson and W Arnold (1932) The photochemical reaction in photosynthesis. J Gen Physiol 16 191-205 Govindjee (1999) On the requirement of minimum number of four versus eight quanta of light for the evolution of one molecule of oxygen in photosynthesis A historical note. Photosynthesis Res 59 249-254 RE Fenna, BW Mathews, JM Olson and EK Shaw (1974) Structure of a bacteriochlorophyll-protein from the green photosynthetic bacterium Chlorobium limicola crystallographic evidence fora trimer. J Mol Biol 84 231 -240... 

RE Fenna, BW Mathews, JM Olson and EK Shaw (1974) Structure of a bacteriochlorophyll-protein from the green photosynthetic bacterium Chlorobium limicola-. Crystallographic evidence fora trimer. J Mol Biol 84 231 -240... 

FI Oh-oka, S Kakutani, FI Matsubara, R Malkin and S Itoh (1993) Isolation of the photoactive reaction center complex that contains three types ofFe-S centers and a cytochrome c subunit from the green sulfur bacterium Chlorobium limicola f. thiosulfatophilum strain Larsen. Plant Cell Physiol 34 93-101... 

Cytochrome c-552 belongs to cytochrome c6 or c8 group. As the cytochromes of this group react rapidly with Pseudomonas aeruginosa nitrite reductase but does not react with cow cytochrome c oxidase (Yamanaka, 1992), their structures have been supposed to be similar to each other. Thus, their amino acid sequences resemble each other though the sequence of Chlorobium limicola f. thiosulfatophi-lum cytochrome c-555 shows smaller similarity to other cytochromes c6 or c8 than the similarities that other cytochromes c6 or c8 show each other (Table 3.2). 

Flavocytochromes c from Chlorobium limicola f. thiosulfatophilum and Allo-chromatium (formerly Chromatium) vinosum have been reported to catalyze the reduction of elemental sulfur with strong reducing reagents such as benzyl viologen radical (Fukumori and Yamanaka, 1979 Yamanaka and Fukumori, 1980). 

Fuchs G, Stupperich E, Jaenchen R (1980b) Autotrophic C02 fixation in Chlorobium limicola. Evidence against the operation of the Calvin cycle in growing cells. Arch Microbiol 128 56-63... 

Olson et al. [3] reported differences between CD spectra for chlorosomes from Cfl. aurantiacus and Chlorobium limicola. Here we show that spectra similar to both types can be obtained from just Cfl. aurantiacus. 

LABELING BY A FLUORESCENT MALEIMIDE OF PEPTIDES OF CHROMATOPHORES FROM A GREENSULFUR BACTERIUM, CHLOROBIUM LIMICOLA... 

The reductive TCA cycle uses CO2 for producing acetyl-CoA [28, 29]. Two CO2 units are converted in each cycle into acetyl-CoA using one ATP and four NAD(P) H units. The full cycle was first reported to be found in a green sulfur photosynthetic bacterium Chlorobium limicola) and was later also found to operate in Aquificales, Archeal Crenarcheota, and various types of proteobacteria. 

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