Nucleotide sequence accession number The DDBJ GenBank accession numbers of the sequences for Erwinia nigrifluens, Shewanella putrefaciens, Pseudomonas doudoroffii., Caulobacter sp, Roseobacter sp., Cytophaga sp., Rhodobacter sp., Flavobacterim sp., Bartonella bacilliforms. Beta proteobacterium, Sphingomonas sp., and Gelidibacter sp. is Z96095, AF005255, AB019390, AB025196, Y15339, AB015545, U63949, U63955, M65249, AF026392, AB025720, AB001369, respectively.