Table 1. Comparative genome statistics of S. marcescens RSC-14 and other Serratia spp.

	S. marcescens			S. plymuthica	S. liquefaciens
	RSC 14	WW4	FGI94	S13	ATCC27592
Genome size (bp)	5,127,030	5,241,455	4,858,216	5,467,306	5,238,612
GC contents	59.6	59.6	58.9	56.2	55.4
CDS	4,593	4,764	4,328	4,905	4,769
Genes	4,745	4,868	4,436	5,013	4,867
rRNA	22	22	22	22	19
tRNA	88	81	83	85	78
No of plasmid	0	1	0	0	1
No of chromosome	1	1	1	1	1
Site of isolation	Plant [this study]	Paper machine [35]	Fungus garden [34]	Plant [36]	Milk [68]

The genome features for each Serratia strain were retrieved from the NCBI data base (http://www.ncbi.nlm.nih.gov/sites/genome/).