Harpin and hydrogen peroxide induce the expression of a homologue of gp91-phox in Arabidopsis thaliana suspension cultures

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Abstract
Using reverse transcription-polymerase chain reaction and degenerate primers based on conserved sequences, a partial cDNA from Arabidopsis thaliana has been cloned that encodes part of a homologue of gp91-phox of NADPH oxidase. It is expressed in Arabidopsis shoots, roots and flowers and its expression in suspension cultures is up-regulated by elicitation with harpin or exposure to hydrogen peroxide.