Endophytic Fungi from Alstonia boonei De Wild and Greenwayodendron suaveolens (Engl. and Diels) Verdc. subsp. Suaveolens Possess Inhibitory Activity against Pneumonia Causing Bacteria

Table 2

Inhibition zones produced by endophytic fungi isolates on the growth of K. pneumoniae, H. influenzae, P. aeruginosa, and E. coli.

Endophytic fungi isolates	Inhibition zones (mm)
	H. influenzae	K. pneumoniae	P. aeruginosa	E. coli
GS15	20.33 ± 1.52	19.00 ± 0.00	15.33 ± 0.57	10.33 ± 0.57
AB17	22.66 ± 0.57	22.66 ± 0.57	7.00 ± 0.00	7.00 ± 0.00
AB21	21.00 ± 1.00	17.66 ± 0.57	—	—
AB23	24.66 ± 0.57	19.00 ± 0.00	—	8.33 ± 0.57
AB24	25.00 ± 1.00	23.00 ± 0.00	20.00 ± 0.00	19.00 ± 0.00
AB33	—	—	—	—
AB34	17.33 ± 0.57	18.00 ± 0.00	8.33 ± 1.52	8.00 ± 0.00
AB36	10.66 ± 0.57	—	7.00 ± 0.00	—
AB38	20.33 ± 0.57	18.66 ± 0.57	19.00 ± 0.00	13.00 ± 1.00
AB45	14.00 ± 1.00	15.33 ± 1.52	—	17.33 ± 0.57
AB46	—	14.66 ± 1.52	8.00 ± 0.00	19.33 ± 0.57
AB47	7.00 ± 0.00	15.33 ± 1.15	—	18.33 ± 1.15
AB50	—	—	18.66 ± 1.52	—
AB57	13.00 ± 1.00	—	11.00 ± 1.00	16.00 ± 0.00
AB58	9.33 ± 0.57	—	—	—
AB59	—	10.66 ± 1.15	—	18.66 ± 0.57
AB65	—	12.00 ± 1.00	9.00 ± 0.00	17.00 ± 1.00
AB69	—	9.66 ± 0.57	—	8.00 ± 1.00
AB72	21.33 ± 1.15	—	—	7.00 ± 1.00
AB77	18.00 ± 1.00	—	8.00 ± 1.00	10.33 ± 0.57
AB78	8.33 ± 0.57	18.00 ± 0.57	7.00 ± 1.00	9.00 ± 1.00
AB80	24.00 ± 0.00	21.00 ± 1.00	9.00 ± 1.00	7.00 ± 0.00
GS81	16.00 ± 0.00	—	18.00 ± 1.00	13.00 ± 0.00
AB83	23.33 ± 0.57	19.66 ± 1.15	15.00 ± 1.00	12.66 ± 0.00
Levofloxacin®	19.05 ± 0.82	19.51 ± 0.35	27.57 ± 6.74	20.37 ± 1.64

AB: Alstonia boonei; GS: Greenwayodendron suaveolens; —: not determined. Values are the means of three replicates ± SD.