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Table 2 Statistics of functional genes of the three species

From: Metagenomic analysis reveals potential interactions in an artificial coculture

Function pathway or enzymes Synechococcus sp. PCC 7002a Mesorhizobium sp. TAIHU Pseudomonas stutzeri TAIHU
Energy source and carbon source
 Photosynthesis and CO2 fixation   
 Beta-oxidation of fatty acid  
Cobalamin synthesis and transport
 Cobalamin de novo synthesis   
 Cobalamin salvage   MSTH_00675 PSTH_00549/01543
 Cobalamin and corrinoids transport (btuBFCD) SYNPCC7002_A0634/0635/0637 MSTH_03067-03070  
Cobalamin-associated enzymes
 Cobalamin-dependent methionine synthase (metH) SYNPCC7002_A2466 MSTH_00354/00815 PSTH_03850
 Cobalamin-independent methionine synthase (metE)   MSTH_01286 PSTH_01866
 Methylmalonyl-CoA mutase   MSTH_01813/02120  
 Cobalamin-dependent ribonucleotide reductase (class II)   MSTH_00664 PSTH_00904
PSTH_00905
 Cobalamin-independent ribonucleotide reductase (class I) SYNPCC7002_A1350
SYNPCC7002_A0382
  PSTH_02138
PSTH_02139
 Anaerobic ribonucleoside-triphosphate reductase (RNR class III)    PSTH_03057
PSTH_03058
Compatible solutes
 Ectoine synthesis (ectABCD)    PSTH_01019-01022
 Glycine betaine (betAB)   MSTH_02104/02105/02862 PSTH_02582/02583
 Trehalose synthesis (ostAB)   MSTH_01326/01325 PSTH_04112/04113
 Trehalose (treY, treZ)    PSTH_03770/03772
Trehalose (treS)    PSTH_03785
 Sucrose (sppA, spsA) SYNPCC7002_A0887/0888   
 Glucosylglycer-(ol/ate) (ggpS, ggpP) SYNPCC7002_A2841/2851/2852   
 Transport of glycine betaine/proline (proVWX)   MSTH_01321-01323
MSTH_03779-03781
PSTH_04547-04549
 Ectoine degradation (doeABCD)   MSTH_03098/03099
MSTH_03109/03110
 
  1. aThe check mark indicates that the organism contains the genes responsible for the metabolic ability dictated in the column of the table. Among these, beta-oxidation of fatty acid and biosynthesis of cobalamin are shown in Fig. 4