Complete genome sequence of the metabolically versatile photosynthetic bacterium Rhodopseudomonas palustris |
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Authors: | Larimer Frank W Chain Patrick Hauser Loren Lamerdin Jane Malfatti Stephanie Do Long Land Miriam L Pelletier Dale A Beatty J Thomas Lang Andrew S Tabita F Robert Gibson Janet L Hanson Thomas E Bobst Cedric Torres Janelle L Torres y Peres Caroline Harrison Faith H Gibson Jane Harwood Caroline S |
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Affiliation: | Genome Analysis and Systems Modeling, Oak Ridge National Laboratory, One Bethel Valley Rd., Oak Ridge, Tennessee 37831, USA. |
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Abstract: | Rhodopseudomonas palustris is among the most metabolically versatile bacteria known. It uses light, inorganic compounds, or organic compounds, for energy. It acquires carbon from many types of green plant-derived compounds or by carbon dioxide fixation, and it fixes nitrogen. Here we describe the genome sequence of R. palustris, which consists of a 5,459,213-base-pair (bp) circular chromosome with 4,836 predicted genes and a plasmid of 8,427 bp. The sequence reveals genes that confer a remarkably large number of options within a given type of metabolism, including three nitrogenases, five benzene ring cleavage pathways and four light harvesting 2 systems. R. palustris encodes 63 signal transduction histidine kinases and 79 response regulator receiver domains. Almost 15% of the genome is devoted to transport. This genome sequence is a starting point to use R. palustris as a model to explore how organisms integrate metabolic modules in response to environmental perturbations. |
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