Genetic engineering of the precursor supply pathway for the overproduction of the nC14-surfactin isoform with promising MEOR applications

Table 5 Reported proportions of different isoforms in surfactin samples produced by different strains

Strains	Relative proportion (%)						Reason for proportion change	References
	C₁₃		C₁₄		C₁₅
	isoC₁₃	anteisoC₁₃	isoC₁₄	nC₁₄	isoC₁₅	anteisoC₁₅
B. subtilis BS-37	13.3		35.2		51.6		Change of medium composition	[11]
B. subtilis BS-37	15.5		10.3		74.2		Change of medium composition	[11]
B. velezensis BS‐37	14.4		16.7	14.5	51.8		Addition of the branched chain amino acid L-Leu	[42]
B. velezensis BS‐37	28.3		4.2	10.1	57.4		Addition of the branched chain amino acid L-Leu	[42]
B. subtilis BSB1	39.7		21.2		28		Knockout of codY and lpdV	[17]
B. subtilis BSB1	7.7		52.7		25		Knockout of codY and lpdV	[17]
B. subtilis THY-7	5		51.8	4.1	39.1		Replacement of P_srfA with P_g3	[43]
B. subtilis THY-7	16.8		32.6	19.1	31.5		Replacement of P_srfA with P_g3	[43]
B. subtilis HSO121	4.89	6.27	23.05	8.95	17.69	38.69	Natural strain	[27]
B. subtilis BSFX025	1.67	4.42	13.08	56.13	2.94	21.77	Overexpression of bte	This work

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