Bioactivities evaluation of an endophytic bacterial strain Bacillus velezensis JRX-YG39 inhabiting wild grape

BMC Microbiology

Table 1 Primary identification of endophytic bacteria inhabiting wild grapes

Strains	16 S rRNA Accession number	Identity to closest species (Acc.No.)	Antifungal activity
Strains	16 S rRNA Accession number	Identity to closest species (Acc.No.)	B. cinerea	A. alternata	F. pernambucanum	C. gloeosporioides
JRX-YJF1	ON413862	99.65% to B. subtilis (NR_027552.1)	+	+	+	-
JRX-YJF2	ON413863	99.51% to B. subtilis (NR_027552.1)	+	+	+	+
JRX-YJF3	ON413864	99.79% to B. subtilis (NR_027552.1)	+	+	+	-
JRX-YJF4	ON413865	99.79% to B. tequilensis (NR_104919.1)	+	+	+	+
JRX-YJF5	ON413866	99.65% to B. tequilensis (NR_104919.1)	+	+ +	+	-
JRX-YP5	ON413867	99.38% to B. velezensis (NR_075005.2)	+	+	+	+
JRX-YP8	ON413868	99.58% to B. velezensis (NR_075005.2)	+ +	+ +	+	+
JRX-YG28	ON413869	99.58% to B. velezensis (NR_116240.1)	+ +	+ +	+	+
JRX-YG29	ON413870	99.79% to B. tequilensis (NR_104919.1)	+ +	+	+	+
JRX-YG 39	ON413871	99.65% to B. velezensis (NR_116240.1)	+ + +	+ + +	+ + +	+ + +
JRX-QT36	ON413872	99.65% to B. subtilis (NR_113265.1)	+ +	+	+	+
JRX-QT40	ON413873	99.38% to B. velezensis (NR_116240.1)	+	+	+	+ +
JRX-YP13	ON413874	99.31% to B. velezensis (NR_116240.1)	+ +	+	+	+
JRX-YP14	ON413875	99.58% to B. velezensis (NR_116240.1)	+	+	+	+
JRX-YP15	ON413876	99.38% to B. velezensis (NR_075005.2)	+	+	+	-
YB-K1	MW642498	99.65% to B. velezensis (NR_116240.1)	+ +	+ +	+ +	+ +

Antifungal activity was tested by confrontation culture for endophytic bacteria and plant pathogens Botrytis cinerea, Fusarium pernambucanum, Alternaria alternata, and Colletotrichum gloeosporioides, respectively. “ + ” indicated inhibition rate below 50%, “ + + ” indicated inhibition rate between 50%—80%, “ + + + ” indicated inhibition rate above 80%, and “-” indicated no antifungal activities

ISSN: 1471-2180