Table 1 Bacterial strains used in this study.

From: Staphylococcus aureus forms spreading dendrites that have characteristics of active motility

Strain

Characteristics

Origin/Reference

Newman

Laboratory strain, agr group I

49, 50

Newman Δagr::ermB

Newman∆agr::ermB, ermR

51

RN6390B (WT)

Standard laboratory strain, agr group I, Derived from RN6390, Reisolate from a RN6390 batch that had become mostly Δagr.

51, 52

SH1000

Laboratory strain, agr group I Repair of 8325-4 strain rsbU deletion

53

SA564

Invasive isolate, agr group II

54

Na129

agr group III

A. Cockayne (personal collection)

S.aureus 18

agr group IV

A. Cockayne (personal collection)

USA 300 (JE2)

Nebraska library strain, agr group I

55