One of the A. xylinum collection Strain IB-1 was marked
by molecular marker to become A xylinum Strain IB-1Nal-R.
This was used to analyse growth of A. xylinum and the roles
of other bacteria in fermentation media. Samples of media
and strains of A. xylinum used in this study were collected
from a Nata de Coco company in Jakarta.