Enhancement of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) accumulation in Arxula adeninivorans by stabilization of production

Table 3 PHA production using different co-substrates

Strain	Co-substrate	PHB-V (% of DCW)	PHB-V (g L⁻¹)	PHV (%mol)
AAG_thlp #7	None	26.7	4.62	–
	Glucose	30.9	5.67	–
	Ethanol	42.9	8.35	–
	1-Propanol	28.4	4.63	7.30
	Valeric acid	23.0	2.86	1.86
	Propionic acid	21.1	2.17	1.07
	Sodium Propionate	31.5	4.05	8.38
AAG_bktBp #14	None	19.8	3.16	–
	Glucose	23.8	4.21	–
	Ethanol	30.5	3.48	–
	1-Propanol	20.3	2.87	22.5
	Valeric acid	21.8	2.04	6.32
	Propionic acid	18.6	2.04	3.89
	Sodium propionate	26.9	2.63	16.9
Negative control		0.00	0.00	–

Cultures were incubated for 240 h in rich media (YPD) with the addition of different co-substrates. Negative control—strain transformed with empty plasmid and incubated in the corresponding conditions

ISSN: 1475-2859