''Chlorobaculum tepidum'', previously known as ''Chlorobium tepidum'', is an anaerobic, thermophilic green sulfur bacteria first isolated from New Zealand. Cells are

gram-negative Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wa ...

and non-

motile Motility is the ability of an organism to move independently, using metabolic energy. Definitions Motility, the ability of an organism to move independently, using metabolic energy, can be contrasted with sessility, the state of organisms th ...

rods of variable length. They contain bacteriochlorophyll c and chlorosomes.

Genome structure

''Chlorobaculum tepidum'' contains a genome that contains 2.15 Mbp. There are a total of 2,337 genes (of these genes, there are 2,245

protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respon ...

coding genes and 56 tRNA and

rRNA Ribosomal ribonucleic acid (rRNA) is a type of non-coding RNA which is the primary component of ribosomes, essential to all cells. rRNA is a ribozyme which carries out protein synthesis in ribosomes. Ribosomal RNA is transcribed from riboso ...

coding genes). It synthesizes

chlorophyll Chlorophyll (also chlorophyl) is any of several related green pigments found in cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words , ("pale green") and , ("leaf"). Chlorophyll allow plants to ...

''a'' and bacteriochlorophylls (BChls) ''a'' and ''c'' and is a model organism used to elucidate the biosynthesis of BChl ''c''. Several of its

carotenoid Carotenoids (), also called tetraterpenoids, are yellow, orange, and red organic pigments that are produced by plants and algae, as well as several bacteria, and fungi. Carotenoids give the characteristic color to pumpkins, carrots, parsnips, cor ...

metabolic pathway In biochemistry, a metabolic pathway is a linked series of chemical reactions occurring within a cell. The reactants, products, and intermediates of an enzymatic reaction are known as metabolites, which are modified by a sequence of chemical ...

s (including a novel lycopene cyclase) have similar counterparts in cyanobacteria.

References

External links

* Phototrophic bacteria Chlorobiota Bacteria described in 1991 {{bacteria-stub

Genome structure

See also

References

Further reading

External links