Nucleotide sequence of the PR‐1 gene of Nicotiana tabacum

Abstract
A gene encoding one of the pathogenesis‐related proteins, PR1a, and two related pseudogenes were isolated from Nicotiana tabacum. The cloned PR1a gene (pPR‐γ) and one of the pseudogenes (pPR‐α) were sequenced and found to have similar structures. The sequence of pPR‐γ was quite similar to that of the cDNA clone of PR1a. The plasmid pPR‐γ did not contain an intron and had a typical promoter sequence in the 5′‐flanking region.