Table 3.
Gene present in each Sinorhizobium speciesa | ||||||
---|---|---|---|---|---|---|
Gene or gene cluster | Function | meliloti (n = 33) | medicae (n = 13) | fredii (n = 2) | saheli (n = 1) | terangae (n = 1) |
Polysaccharide biosynthesis | ||||||
exoF2 | Succinoglycan biosynthesis | 7 | 0 | 2 | 0 | 0 |
exoH | Succinoglycan biosynthesis | 33 | 13 | 0 | 0 | 0 |
exoI | Succinoglycan biosynthesis | 33 | 0 | 0 | 1 | 0 |
exoI2 | Succinoglycan biosynthesis | 11 | 0 | 2 | 0 | 0 |
exoP2 | Succinoglycan biosynthesis | 7 | 0 | 2 | 0 | 0 |
exoTWV | Succinoglycan biosynthesis | 33 | 13 | 0 | 0 | 0 |
expA1-10-expGCD1D2-expE1-8 | Galactoglucan biosynthesis | 33 | 13 | 0 | 0 | 1 |
rkp-3; rkpLMNOPQ | Capsular polysaccharides biosynthesis | 4 | 0 | 2 | 0 | 1 |
rkpZ1 | Capsular polysaccharides biosynthesis | 33 | 13 | 1 | 1 | 1 |
rkpZ2 | Capsular polysaccharides biosynthesis | 5 | 0 | 2 | 1 | 1 |
rkpT2 | Surface polysaccharide export | 29 | 13 | 1 | 1 | 1 |
cgmB | Cyclic β-glucan biosynthesis | 1 | 0 | 0 | 0 | 0 |
Microaerobic denitrification | ||||||
napEFDABC | Nitrate reductase | 32 | 13 | 2 | 1 | 1 |
nirKV | Nitrite reductase | 19 | 9 | 2 | 1 | 1 |
norECBQD | Nitric oxide reductase | 21 | 9 | 2 | 1 | 1 |
nosRZDFYLX | Nitrous oxide reductase | 22 | 0 | 0 | 0 | 0 |
Lithotroph | ||||||
hupSLCDEFGHJKP-hypABFCDE-hoxX | Uptake hydrogenase | 0 | 0 | 0 | 0 | 1 |
soxYZEF-like | Sulfur oxidation | 7 | 0 | 2 | 0 | 0 |
soxZ | Sulfur oxidation | 33 | 13 | 2 | 0 | 0 |
Organic sulfur utilizationb | ||||||
I: ssuDABCE | Alkanesulfonate degradation | 33 | 13 | 0 | 0 | 1 |
II: tauRABCXD | Taurine degradation | 33 | 13 | 0 | 0 | 0 |
III: ssuCBA-atsA-like | Arylsulfatase | 0 | 13 | 0 | 0 | 0 |
IV: tauC-ssuCBA-ats- like | Arylsulfatase | 0 | 13 | 0 | 0 | 0 |
V: ssuADCB | Alkanesulfonate degradation | 0 | 0 | 2 | 0 | 0 |
aValues in a column indicate number of strains possessing a gene or gene cluster in a species. bThe genes in each gene cluster are orthologs of Smed_4212-4216 (I), Smed_4858-4863 (II), Smed_1127-1130 (III), Smed_3146-3151 in S. medicae WSM419, and U205v1_247004-247007 (V) in S. fredii USDA 205.