TABLE 1.

S. cerevisiae strains used in this study

Strain	Characteristics	Reference
IMS0002	MATaura3-52 leu2-112 loxP-PTPI::(−266,−1)TAL1 gre3::hphMX pUGPTPI-TKL1 pUGPTPI-RPE1 loxP-PTPI::(−40,−1)RKI1 {pRW231, pRW243}; strain harboring Piromyces sp. strain E2 XylA and Lactobacillus plantarum araA and araD on 2μ-based plasmid pRW231 and XKS1 and L. plantarum araB on integration plasmid pRW243; selected for anaerobic growth on l-arabinose	26
IMS0003	Single-colony isolate of strain IMS0002 cultivated anaerobically on solid MY-X; capable of cofermenting mixtures of glucose, xylose, and arabinose to ethanol	This study
IMS0007	Single-colony isolate obtained after long-term chemostat cultivation in MY-XA	This study
IMS0010	Single-colony isolate obtained after repeated consecutive batch cultivation in MY supplemented with a mixture of glucose, xylose, and arabinose as the carbon and energy sources, in MY supplemented with a mixture of xylose and arabinose as the carbon and energy sources, and in MY supplemented with arabinose as the sole carbon and energy source	This study