Table 4. List of microorganisms which have been used for synthesis of GNPs .

Microorganism	Genus	Size	References
Pseudomonas fluorescens	Bacterium	50 nm–70 nm	214
Shewanella algae	Bacterium	10 nm–20 nm	215
Geobacillus stearothermophilus	Bacterium	-	216
Escherichia coli DH5 α	Bacterium	-	217
Marinobacter Pelagius	Bacterium	10 nm	218
Stenotrophomonas maltophilia	Bacterium	40 nm	219
Rhodopseudomonas capsulate	Bacterium	10 nm–20 nm	220
Micrococcus luteus	Bacterium	-	221
Yarrowia lipolytica	Marine Yeast	-	222
Acanthella elongate	Sponge	7 nm–20 nm	223
Stoechospermum marginatum	Algae	18.7 nm–93.7 nm	224
Sargassum wightii Greville	Algae	8 nm–12 nm	225
Streptomyces viridogens	Bacterium	18 nm–20 nm	226
Candida albicans	Fungi	20 nm–80 nm	227
Aspergillus fischeri	Fungi	50 nm spherical shaped	112
Acanthophora spicifera	Algae	-	228
Chlorella pyrenoidusa	Algae	-	229
Kappaphycus alvarezii	Algae	-	230
Galaxaura elongata	Marine alga		203
Tetraselmis kochinensis	Algae	5–35 nm	231
Sargassum myriocystum	Algae	15 nm	232
Stoechospermum marginatum	Algae	-	223
Laminaria japonica	Aqueous of extract Brown algae	-	233