However , in the presence of JA or its bioactive derivatives , JAZ proteins are degraded , freeing transcription factors for expression of genes needed in stress responses .
In the absence of JA , JAZ proteins bind to downstream transcription factors and limit their activity .
In the presence of JA or JA 's bioactive derivatives JAZ proteins proteins are degraded , freeing transcription factors for expression of genes needed in stress responses .
In the absence of JA , JAZ proteins bind to downstream transcription factors and limit their activity .