Number of Proteins Identified Biological Replicate 1 Total proteins measured from each organism   11.5 hour 18.5 hour 32 hour   Scheffersomyces stipitis 322 456 574 650 Saccharomyces cerevisiae 535 594 539 740 Total proteins in each time-point 857 1050 1113 1390   Number of Proteins Identified Biological Replicate 2 Total proteins measured from each organism   11.5 hour 18.5 hour 32 hour   Scheffersomyces stipitis 444 412 577 666 Saccharomyces cerevisiae 626 637 660 833 Total proteins in each time-point 857 1050 1113 1499

Table 1: Numbers of Scheffersomyces stipitis and Saccharomyces cerevisiae proteins identified from shotgun proteomics of the co-culture process in both biological replicates.