TABLE 1.

Bacterial strains used in the study

Strain	Description
Halomonas meridiana 33E7	Isolated from Acropora palmata mucus (23); identity confirmed by 16S rRNA gene sequencing
Photobacterium mandapamensis 33C12	Isolated from Acropora palmata mucus (23); identity confirmed by 16S rRNA gene sequencing
Photobacterium leiognathi 33G12	Isolated from Acropora palmata mucus (23); identity confirmed by 16S rRNA gene sequencing
S. marcescens PDL100	Isolated from a white pox lesion on Acropora palmata (22, 28)
S. marcescens MG1	Isolated from a rotten cucumber
Serratia sp. strain ATCC 39006	Cheesequake Salt Marsh (NJ) channel isolate, pigmented
S. marcescens ATCC 43422	Human throat isolate, pigmented
S. marcescens ATCC 43820	Human urine isolate
S. marcescens EL31	Isolated from Florida Keys wastewater
S. marcescens EL34	Isolated from Eden Pines (Florida Keys) canal water, pigmented
S. marcescens EL139	Isolated from Florida Keys wastewater
S. marcescens EL202	Isolated from Higgs Beach (Key West)
S. marcescens EL206	Isolated from canal water by Mote Marine Tropical Research Laboratory (Summerland Key, FL)
S. marcescens EL266	Isolated from Florida Keys wastewater
S. marcescens EL368	Isolated from a seabird (Key Largo, FL)
S. marcescens EL402	Isolated from a seabird (Florida Keys)