Screening of antibiofilm and anti-quorum sensing activty of Actinomycetes isolates extracts against aquaculture pathogenic bacteria

Table 1 Result of detection of anti-quorum sensing activity and anti-bacterial activity assay of Actinomycetes isolates extracts (20 mg/mL)

Isolates	Detection of QS inhibitors	Antibacterial activity assay
Isolates	Detection of QS inhibitors	AH	VH	SAG
TB12	+++	–	–	–
KP110	++	–	–	–
1 AC	+++	–	–	–
SW03	+++	–	–	–
CW17	+	–	–	–
16 PM	++	–	–	+ (D = 2.2 cm)
12 AC	+++	+ (D = 2 cm)	–	–
20 PM	+++	–	–	+ (D = 1.5 cm)
18 PM	++	–	–	+ (D = 1.2 cm)
14 PM	+++	–	–	+ (D = 2.1 cm)
CW01	+	–	–	+ (D = 2.5 cm)
SW17	+	–	+ (D = 2 cm)	–
SW16	++	–	–	–
SW14	+++	–	–	–
15 PM	+++	–	–	+ (D = 1.1 cm)
11 AC	+	–	–	–

VH V. harveyi, AH A. hydrophila, SAG S. agalacatiae ATCC 27956, D Diameter of clear zone

ISSN: 1471-2180