Recent advances and perspectives in efforts to reduce the production and application cost of microbial flocculants

Liu, Cong; Sun, Di; Liu, Jiawen; Zhu, Jingrong; Liu, Weijie

doi:10.1186/s40643-021-00405-2

Bioresources and Bioprocessing

Table 2 Microbial flocculant producing strains and their composition, extract method, and yield

From: Recent advances and perspectives in efforts to reduce the production and application cost of microbial flocculants

Strains	Carbon and nitrogen sources (g/L)	Components	Extracts	Yields (g/L)	Ref.
Bacillus agaradhaerens	Glucose 10, YE 10	Ps 65.4%, Pr 4.7%, NA 1.6%	EP	4.65	Liu et al. (2015a)
Streptomyces sp.	Palm jaggery 18.73, YE 2.07	Ps	EP		Manivasagan et al. (2015)
Bradyrhizobium japonicum	Sucrose 25, YE 2.5	Ps	EP		Rasulov et al. (2016a)
Streptomyces sp.	YE 2.5, palm jiggery 20, NH₄NO₂ 1	Ps 86.9%, Pr 12.8%	AP, IEC, GFC	4.94	Sivasankar et al. (2020)
Alcaligenes faecalis	Maltose 20, rea 1.2	Ps 88.6%, Pr 9.5%	EP	4.00	Maliehe et al. (2019)
Bacillus sp.	Glucose 20, (NH₄)₂SO₄ 0.3, urea 0.5, YE 0.5	Ps 76%, Pr 14%	EP	1.60	Okaiyeto et al. (2015b)
Alteromonas sp.	Glucose 30, wheat flour 1.5	Ps 69.6%, Pr 21.5%	EP	11.18	Chen et al. (2017a)
Bacillus licheniformis	Sucrose 10, YE 1, urea 1	Ps 89%, Pr 11%	EP	2.93	Xiong et al. (2010)
Bacillus thuringiensis	Beef extract 3.0, peptone 10.0	Ps	EP	20.19	Wang et al. (2011)
Lipomyces starkeyi	Glucose 100, polypeptone 7.0	Ps	EP	53.50	Yu et al. (2020b)
Streptomyces, Cellulomonas	Sucrose 16, peptone 1.5	Ps 34.4%, Pr 18.5%	EP	4.45	Nwodo et al. (2014)
Chryseobacterium daeguense	Glucose 1, Tryptone 2	Ps 13%, Pr 32%, NA 6.8%	EP	0.89	Liu et al. (2010)
Bacillus mojavensis	l-Glutamic acid 20, NH₄Cl 7	Ps 98.4%, Pr 1.6%	EP	5.20	Elkady et al. (2011)
Aspergillus flavus	Sucrose 30, peptone 3	Ps 69.7%, Pr 28.5%	EP	0.40	Aljuboori et al. (2013)
Solibacillus silvestris	Maltose 1.9, YE 11	Ps 75.1%, Pr 24.9%	AP	0.40	Wan et al. (2013)
Paenibacillus elgii	Sucrose 51.3, peptone 6.7, YE 0.47	Ps	EP	25.63	Li et al. (2013)
Virgibacillus	Glucose 20, urea 0.5, YE 0.5, (NH₄)₂SO₄ 0.2	Ps	EP	2.43	Sekelwa et al. (2013)
Agrobacterium sp.	Sucrose 20, YE 0.5, urea 0.5, (NH₄)₂SO₄ 0.2	Ps 97%, Pr 3.0%	EP, IEC, GFC	14.90	Li et al. (2010)
Achromobacter sp.	Sucrose 10, urea 10	Ps 57%, Pr 13%	EP	10.50	Subudhi et al. (2014)
Enterobacter sp.	Glucose 10, NaNO₃ 1	Ps 91.7%, Pr 1.8%	EP, CTAB-p	0.066	Tang et al. (2014b)
Methylobacterium sp. and Actinobacterium sp.	Glucose 20, (NH₄)₂SO₄ 0.2, urea 0.2, YE 0.5		EP	8.20	Luvuyo et al. (2013)
Pseudomonas aeruginosa	Sucrose 5, glucose 2, maltose 2, YE 5, NH₄Cl 1.5	Ps 71.7%, Pr 16.4%, NA 2.1%	EP	3.58	Sun et al. (2015a)
Paenibacillus mucilaginosus	Sucrose 20, YE 0.5	Ps	EP, IEC, GFC	1.33	Tang et al. (2014a)

YE yeast extract, Ps polysaccharide, Pr protein, NA nucleic acid, EP ethanol precipitate, AP acetone precipitate, IEC Ion exchange chromatography, GFC Gel filtration chromatography, CTAB-p cetyltrimethyl ammonium bromide precipitate

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