Wound-Responsive Gene Expression in Poplars
We have cloned cDNA copies of several transcripts specifically accumulating in the unwounded upper leaves of a hybrid poplar whose lower leaves were mechanically wounded. Of those cDNAs sequenced, two encode proteins with sequence similarity to plant endochitinases and another specifies a polypeptide similar to Kunitz trypsin inhibitors from legume seeds. Genomic clones of one of the chitinase gene families reveal a clustered organization of these genes on the poplar chromosomes.
KeywordsHybrid Poplar Legume Seed Kunitz Trypsin Inhibitor Biochemical Defense Transcriptional Control Element
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