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Table 1 Chromosome features for the genomes of E. pyrifoliae strain Ep1/96, E. tasmaniensis strain Et1/99 and E. billingiae strain Eb661.

From: Genome comparison of the epiphytic bacteria Erwinia billingiae and E. tasmaniensis with the pear pathogen E. pyrifoliae

Strain Ep1/96 Et1/99 Eb661
Size (bp) 4,026,322 3,883,467 5,100,168
Seq. coverage 34*1 11 19*2
G+C content (%) 53.4 53.7 55.2
Protein coding (%) 84.9 85.0 87.7
Coding sequences 3,645 3,427 4,587
   Average size (bp) 938 964 975
   G+C content (%) 54.6 54.9 56.3
   Assigned function 2,846 2,676 3,768
   Conserved uncharacterized 549 389 515
   Uncharacterized 250 362 304
Transposases 90 25 10
assigned as pseudo 57 57 13
rRNA operons 7 7 7
tRNAs 75 81 77
extrachromosomal
elements
4 5 2
  1. Sequencing coverage was reached by a 9fold Sanger sequencing and a 25fold coverage with GS20 data for strain Ep1/96 and by a 11fold Sanger sequencing and a 8fold coverage with GS FLX data for strain Eb661.
  2. rRNA operons show 16S-23S-5S order, except one copy within the chromosome of the strains Ep1/96, Ea273 and Et1/99 with the unusual 16S-23S-5S-5S order organization. The 16S-23S-5S-5S operon is missing in strain Eb661, which belongs to a different phylogenetic branch.