Effective isopropanol–butanol (IB) fermentation with high butanol content using a newly isolated Clostridium sp. A1424

Table 1 Comparison of fermentation products from glucose and glycerol between Clostridium sp. A1424 and other related clostridia

Strains	GenBank accession no.	16s rRNA similarity (%)	Substrate	Main products	References
Clostridium sp. A1424	KT314078	100	Glucose	Butanol, isopropanol	This study
Clostridium sp. A1424	KT314078	100	Glycerol	Butanol, 1,3-propanediol	This study
C. beijerinckii NCIMB 8052^T	CP000721	99.92	Glucose	Butanol, acetone	[26, 27]
C. beijerinckii NCIMB 8052^T	CP000721	99.92	Glycerol	–	[26, 27]
C. diolis DSM 5431^T	AJ458418	99.92	Glucose	Butyric acid, acetic acid	[28, 29]
C. diolis DSM 5431^T	AJ458418	99.92	Glycerol	1,3-Propanediol	[28, 29]
C. beijerinckii NRRL B-593^a	U16168.1	99.82^a	Glucose	Butanol, isopropanol	[20, 30]
C. beijerinckii NRRL B-593^a	U16168.1	99.82^a	Glycerol	1,3-Propanediol, ethanol	[20, 30]
C. beijerinckii optinoii	N/A	N/A	Glucose	Butanol, isopropanol	[18]
C. beijerinckii optinoii	N/A	N/A	Glycerol	N/A	[18]
C. pasteurianum DSM 525^T	NR_104822.1	92.41	Glucose	Butyric acid, acetic acid	[12, 14, 17]
C. pasteurianum DSM 525^T	NR_104822.1	92.41	Glycerol	Butanol, 1,3-propanediol	[12, 14, 17]

N/A not available
^a16S rRNA sequence of C. beijerinckii NRRL B-593 consisting of 550 bp (NCBI Genbank: U16168.1) was used. Other sequences were about 1330 bp

ISSN: 2731-3654