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Table 1 Characteristics of L. delbrueckii ssp. bulgaricus and L. delbrueckii ssp . lactis genomes

From: Lactobacillus delbrueckii ssp. lactis and ssp. bulgaricus: a chronicle of evolution in action

  L. delbrueckii ssp. bulgaricus strains L. delbrueckii ssp. lactis strains
ATCC 11842 ATCC BAA-365 2038 VIB27 VIB44 NDO2 CNRZ226 CNRZ327 (e) CNRZ333 CNRZ700
Assembled genome size (a) 1,864,998 1,856,951 1,872,918 1,838,091 1,810,332 2,125,753 1,904,440 1,844,879 1,938,538 1,996,651 1,989,632
Estimated genome size (b) N/A N/A N/A 1,853,000 1,818,000 N/A 1,911,000 1,969,000 2,105,000 2,052,000 2,086,000
Number of contigs 1 1 1 32 27 1 21 161/571* 87 333
Number of scaffolds 1 1 1 14 14 1 10 33/1 23 75
Average sequencing depth - - - 86 94 - 71 78 77 56
Number of CDS (c) 1,466 1,380 1,333 1,783 1,711 1,666 1,665 1,525 1,721 1,593
Number of pseudogene-fragments (d) 630 341 459 388 423 346 390 545 381 408
Number of CDS with unknown function 642 294 343 442 434 317 361 315 369 345
Overall GC content (%) 49.7 49.7 49.7 49.4 49.7 49.6 49.8 49.8 48.2 49.5
GC content of CDS 50.8 51.2 51.9 51.7 51.8 51.5 52.0 52.2 51.6 51.8
GC content of CDS at codon position 3 (%) 65.0 64.8 64.9 66.0 66.7 64.0 67.0 65.1 63.4 67.4
CDS as % of genome sequence 73.4 68.3 69.2 77.1 76.5 75 77.4 62.9 75.3 68.4
Number of rrn operons 9 9 9 - - 9 - 9 - -
Protein localization prediction
Cytoplasmic 1,089 996 958 1,346 1,277 1,245 1,237 1,140 1,272 1,182
Membrane 225 227 208 247 253 242 248 223 259 237
Surface exposed 86 101 115 118 115 119 119 101 123 113
Secreted 69 56 52 72 66 60 61 61 67 61
  1. a, without paired end sequencing results.
  2. b, assembled sequence plus estimated size of sequence gaps (estimations on the basis of paired end sequencing results).
  3. c, not counting pseudogenes.
  4. d, corresponding to CDS annotated as “fragment”.
  5. e, numbers in italics represent data after genome finishing.
  6. *The increase in the number of contigs after genome finishing is due to the addition of sequence fragments in the original sequence gaps.
  7. -, Data not available.