Table 1.

Synthesis of AgNPs from various bacterial species.

Year	S/N	Bacterial Species	Method	Size (nm)	Morphology	References
2021	1.	Serratia nematodiphila	Intracellular	10–31	Spherical	[18]
	2.	Cyanobacteria Spirulina platensis and actinobacteria Streptomyces spp. 211A	Intracellular	7–15	-	[19]
	3.	Klebsiella pneumonia	Extracellular	1–6	Spherical	[20]
	4.	Bacillus indicus	Extracellular	-	Spherical	[21]
	5.	Bacillus subtilis (MTCC441)	Intracellular	10–100	Spherical	[22]
	6.	Endosymbiotic Bacterium	Intracellular	10–60	Cubic, spherical, hexagonal, crystalline, and oval	[23]
	7.	Penicillium glabrum (MTCC 1985)	Extracellular	26–32	Spherical	[24]
	8.	Bacillus strain CS 11	Extracellular	45 ± 0.15	FCC, Spherical	[25]
2020	9.	Marine Ochrobactrum sp.	Intracellular	35–85	Spherical	[26]
	10.	Exiguobacterium mexicanum	Extracellular	5–40	-	[27]
	11.	Actinobacteria	Intracellular	5–50	Spherical	[28]
	12.	Lactobacillus strains	Intracellular	15–500	Cluster triangular, hexagonal, and crystalline	[29]
	13.	Pseudomonas proteolytica, Bacillus cecembensis	Extracellular	6–13	Spherical	[30]
	14.	Rhodococcus sp.	Intracellular	5–50	Spherical	[26]
	15.	Bacillus sp.	Extracellular	5–15	Crystalline	[31]
	16.	Bacillus licheniformis	Extracellular	8–63	Spherical	[32]
	17.	Shewanellao neidensis	Intracellular	4 ± 1.5	Spherical	[33]
	18.	Gluconacetobacter xylinus	Intracellular	40–100	Spherical	[34]
	19.	Bacillus subtilis	Extracellular	5–60	Spherical	[35]
	20.	Nocardiopsissp.MBRC-1	Intracellular	45 ± 0.15	Spherical	[36]
	21.	Pseudomonas stutzeri AG259	Extracellular	35–200	Cluster equilateral triangular, and hexagonal	[37]
2019	22.	Klebsiella pneumonia, Escherichia coli, and Enterobacter cloacae	Extracellular	28–122	Spherical	[38]
	23.	Aeromonas sp. THG-FG1.2	Extracellular	8–16	fcc spherical	[39]
	24.	Escherichia coli DH5a	Extracellular	10–100	Spherical	[40]
	25.	Pseudomonas putida NCIM 2650	Extracellular	70	Spherical	[41]
	26.	Vibrio alginolyticus	Intracellular	50–100	Crystalline, spherical	[42]
	27.	Lactobacillus casei	Intracellular	20–50	Spherical	[43]
	28.	Deinococcus radiodurans	Extracellular	4–50	Spherical	[44]
	29.	Bacillus pumilus, B. persicus, and B. licheniformis	Extracellular	77–92	Spherical	[41]
	30.	Staphylococcus aureus	Extracellular	160–180	Spherical	[45]