Table 1.

Bacterial strains used in this work.

Strain	Characteristics	Source, Reference
E. coli XL1-Blue MRF’	Cloning and expression strain	1
E. coli BL21-Gold(DE3)	Cloning and expression strain	1
S. aureus SA113 (ATCC 35556)	Strong biofilm former	2, [32]
S. aureus RN6911	agr-deficient mutant strain	3, [33]
S. aureus SA001	Bovine mastitis isolate	4, [34]
S. aureus Mastidis	Bovine mastitis isolate	5
S. aureus 305 (Newbould) (ATCC 29740)	Bovine mastitis isolate	6, [35]
S. aureus R174	Food isolate	5
S. aureus R177	Food isolate	5
S. aureus R191	Food isolate	5
S. aureus R192	Food isolate	5
S. aureus 319	Food isolate	5
S. aureus 350	Food isolate	5
S. aureus 2971	Food isolate	5
S. aureus 95	Food isolate	5
A. actinomycetemcomitans OMZ 542	Source of depolymerase	7
A. actinomycetemcomitans OMZ 247	Source of depolymerase	7
A. actinomycetemcomitans OMZ 295	Source of depolymerase	7
A. actinomycetemcomitans OMZ 296	Source of depolymerase	7
A. actinomycetemcomitans OMZ 534	Source of depolymerase	7

¹ Agilent Technologies, Santa Clara, CA, USA; ² Andreas Peschel, University of Tübingen, Tübingen, Germany; ³ Brigitte Berger-Bächi, University of Zurich, Zurich, Switzerland; ⁴ Yasunori Tanji, Tokyo Institute of Technology, Yokohama, Japan; ⁵ Roger Stephan, University of Zurich, Zurich, Switzerland; ⁶ David M. Donovan, ARS, USDA, Beltsville, MD, USA; ⁷ Georgios Belibasakis, Karolinska Institutet, Stockholm, Sweden (formerly at University of Zurich, Zurich, Switzerland).