Effect of mustard rhizobacteria on wheat growth promotion under cadmium stress: characterization of acdS gene coding ACC deaminase

Table 1 ACC deaminase enzyme assay, IAA production assay and other PGP traits of the selected mustard rhizobacterial isolates

Bacterial isolate	ACC deaminase activity (μmol/h α-ketobutyrate/mg protein)^*	Indole-3-acetic acid (IAA) production (μg/mL)*	Selected PGPR activities†
Bacterial isolate	ACC deaminase activity (μmol/h α-ketobutyrate/mg protein)^*	Indole-3-acetic acid (IAA) production (μg/mL)*	MPS	HCN	Siderophore
Pf 913	4.98 ± 0.11^ab	47.34 ± 1.52^a	+	−	+
Ps 1-12	3.99 ± 0.20^bc	13.12 ± 1.34^de	+	+	−
Ps 2-3	5.15 ± 0.13^a	46.80 ± 2.11^a	+	+	+
Ps 2-12	4.87 ± 0.15^abc	24.53 ± 2.54^c	+	+	+
Ps 3-7	4.39 ± 0.06^abc	09.53 ± 1.62^ef	+	+	+
Ps 4-17	3.96 ± 0.12^c	12.48 ± 2.45^de	+	+	+
Ps 5-1	3.95 ± 0.20^c	08.32 ± 2.23^ef	+	+	−
Ps 7-9	4.59 ± 0.14^abc	18.74 ± 1.12^d	+	+	+
Ps 7-12	4.97 ± 0.11^ab	38.51 ± 2.01^b	+	−	+
A48	2.76 ± 0.21^d	15.12 ± 1.51^de	+	−	−
Fb600	4.85 ± 0.19^abc	09.19 ± 2.25^ef	+	−	−

*Values are the means of three-replication ± standard error. Values with the same superscripts within column indicate no significant difference with P ≥ 0.05
† + Positive for that trait; − negative for that trait

ISSN: 1869-2044