FIG 1.

The C. alkanolyticum gene cluster for xylooligosaccharide utilization. (A) Physical map of the cluster indicating restriction sites for MluI, NotI, and BglII used in construction of a genomic DNA library for chromosome walking. The three fragments determined by the chromosome walking (thin solid bars) are depicted relative to the core fragment (thick solid bar). (B) Organization of genes on the cluster. The region whose nucleotide sequence could not be determined (dotted line) is located between xylD and xylR. Accession numbers are given at right.