<p>An expression vehicle comprising an isolated nucleic acid as shown in Seq ID No. 1 comprising of a synthetic hybrid promoter wherein the hybrid promoter comprises of an inducible arabinose promoter derived from E. coli and a synthetic stretch of 8-35 nucleotides from pHO regulon introduced in the region between −55 to −10 and ribosome binding site from the transcription initiation site.</p>
