Skip to main content

Table 1 Gene classification of Rhizobiales.

From: Evolutionary, structural and functional relationships revealed by comparative analysis of syntenic genes in Rhizobiales

  In comparison with the Sinorhizobium meliloti chromosome
  At-C At-L At Ml Bm-I Bm-II Bm
Genes in chromosome (length in Mb) 2721(2.84) 1833(2.07) 4554(4.92) 6750(7.04) 2059(2.12) 1139(1.18) 3198(3.30)
Chromosomal orthologs (% of chr. genes) 1737(63.8) 478(26.1) 2215(48.6) 2279(33.8) 1310(63.6) 415(36.4) 1725(53.9)
Syntenic genes (% of chr. orthologs) 1480(85.2) 357(74.7) 1837(82.9) 1624(71.3) 1039(79.3) 272(65.5) 1311(76.0)
Nonsyntenic genes (% of chr. orthologs) 257(14.8) 121(25.3) 378(17.1) 655(28.7) 271(20.7) 143(34.5) 414(24.0)
Microsyntenic regions 160 45 205 227 132 41 173
Syntenic genes in regions (% of synt. genes) 1394(94.2) 325(91.0) 1719(93.6) 1428(87.9) 965(92.9) 230(84.6) 1195(91.1)
Plasmidic homologs (% of chr. genes) 159(5.8) 490(26.7) 649(14.2) 924(13.7) 70(3.4) 134(11.8) 204(6.4)
Homologs in rest of Rhizobiales (% of chr. genes) 459(16.9) 523(28.5) 982(21.6) 1724(25.5) 349(16.9) 368(32.3) 717(22.4)
Species specific genes (% of chr. genes) 366(13.4) 342(18.7) 708(15.5) 1823(27.0) 330(16.0) 222(19.5) 552(17.3)
Operons (except homologs in rest of Rhizobiales) 527 336 863 1140 353 192 545
Syntenic operons (% of operons) 282(53.5) 68(20.2) 350(40.6) 259(22.7) 168(47.6) 43(22.4) 211(38.7)
Nonsyntenic operons (% of operons) 7(1.3) 0 7(0.8) 12(1.0) 8(2.3) 3(1.6) 11(2.0)
Plasmidic operons (% of operons) 15(2.8) 47(14.0) 62(7.2) 88(7.7) 1(0.3) 9(4.7) 10(1.8)
Species specific operons (% of operons) 26(4.9) 27(8.0) 53(6.1) 150(13.2) 20(5.7) 14(7.3) 34(6.2)
Mixed operons (% of operons) 197(37.4) 194(57.7) 391(45.3) 631(55.3) 156(44.2) 123(64.1) 279(51.2)
  1. Chr., chromosomal. Synt., syntenic. At-C, A. tumefaciens circular chromosome. At-L, A. tumefaciens linear chromosome. At, A. tumefaciens chromosomes. Ml, M. loti chromosome. Bm-I, B. melitensis chromosome I. Bm-II, B. melitensis chromosome II. Bm, B. melitensis chromosomes.