Comparative and genetic analysis of the four sequenced Paenibacillus polymyxa genomes reveals a diverse metabolism and conservation of genes relevant to plant-growth promotion and competitiveness

Table 1 General genome features of completely sequenced Paenibacillus polymyxa strains

	CR1	E681	SC2	M1
Accession numbers	NC_023037	NC_014483	NC_014622	NC_017542
Location of isolation (Country)	Corn Rhizosphere (Canada)	Barley Rhizosphere (Korea)	Pepper Rhizosphere (China)	Wheat Roots (China)
Genome size (base pairs)	6 024 666	5 394 884	5 731 816	5 864 546
GC content (%)	45.6	45.8	45.2	44.8
Protein-coding genes	5 283	4 805	5 406	5 069
Plasmid size (base pairs)	NA	NA	510 115	366 576
Pseudogenes	103	1	52
rRNA genes	36	36	42	42
tRNA genes	87	91	110	110
Other RNA genes	1
Conserved CDS	3463	3457	3505	3338
Strain Specific CDS	955	443	11	121

NA, not applicable, refers to strains in which no plasmids are naturally present. Accession numbers refer to the genome sequence entry in NCBI Nucleotide database. Coding sequences, pseudogenes, and RNA genes were identified from available annotations in the NCBI Genebank database. tRNA and rRNA genes were re-identified using tRNAscan and RNAmmer respectively. Conserved and strain-specific sequences were determined using mGenomeSubtractor, with an H-value cut-off 0.81 and 0.41 respectively.

ISSN: 1471-2164