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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: Natural selection drove metabolic specialization of the chromatophore in Paulinella chromatophora

Fig. 4

Variation in the proportion of genes classified as essential, variable and dispensable in different metabolic pathways according to two different sets of available nutrients for the chromatophore. a Set of Proposed Nutrients; b set of Randomized Nutrients. AA to BN metabolic pathways: AA* = Citrate cycle (TCA cycle); AB = Lipopolysaccharide biosynthesis; AC = Carotenoid Biosynthesis; AD = Folate biosynthesis; AE = Glycerolipid metabolism; AF = Hydrogen production; AG = Steroid biosynthesis; AH = Aminosugars metabolism; AI* = Nicotinate and nicotinamide metabolism; AJ = Nucleotide sugars metabolism; AK = Riboflavin metabolism; AL = Thiamine metabolism; AM = Carbon fixation; AN = Glutamate metabolism; AO = Lysine metabolism; AP = Nitrogen metabolism; AQ = Terpenoid backbone biosynthesis; AR = Fructose and mannose metabolism; AS* = Pantothenate and CoA biosynthesis; AT = Peptidoglycan biosynthesis; AU = Ubiquinone and other pterpenoids biosynthesis; AV = Urea cycle and metabolism of amino groups; AW* = Alanine, aspartate and glutamate metabolism; AX = Valine leucine and isoleucine biosynthesis; AY = Histidine metabolism; AZ* = Pentose phosphate pathway; BA = Starch and sucrose metabolism; BB = Fatty acid biosynthesis; BC = Glyoxylate and dicarboxylate metabolism; BD = Sulfur Cysteine and methionine metabolism; BE = Arginine and proline metabolism; BF = Pyrimidine metabolism; BG = Glycolysis/Gluconeogenesis; BH = Pyruvate metabolism; BI* = Phenylalanine tyrosine and tryptophan biosynthesis; BJ* = Purine metabolism; BK* = Porphyrin and chlorophyll metabolism; BL = Oxidative phosphorylation; BM* = Photosynthesis and BN = Transport. * Metabolic pathways with a difference in categorical genes with p-value < 0.05

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