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Comparative Study
. 1990 Dec;15(6):941-6.
doi: 10.1007/BF00039434.

Structure and expression of a tobacco beta-1,3-glucanase gene

M Ohme-Takagi  1 , H Shinshi
Affiliations
Comparative Study

Structure and expression of a tobacco beta-1,3-glucanase gene

M Ohme-Takagi et al. Plant Mol Biol. 1990 Dec.

Abstract

We determined the primary structure of a tobacco beta-1,3-glucanase gene. The beta-1,3-glucanase gene has a single large intron, and the intron separates coding regions of the signal peptide and the mature enzyme. Analysis of the 5'-flanking region sequence revealed an 11 bp GC-rich element with perfect homology to the putative regulatory sequence of tobacco chitinase genes. RNA blot analysis showed that levels of mRNAs of beta-1,3-glucanase and chitinase are coordinately increased in response to ethylene and salicylic acid. Accumulation of beta-1,3-glucanase mRNA in suspension-cultured cells is rapidly induced at late logarithmic growth phase. Members of the tobacco beta-1,3-glucanase gene families are classified into two subfamilies. One of the subfamilies appeared to be transcriptionally inactive.

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References

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