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. 1984 Jan;74(1):99–103. doi: 10.1104/pp.74.1.99

Enhancement by Ethylene of Cellulysin-Induced Ethylene Production by Tobacco Leaf Discs 1

Edo Chalutz 1,2,2, Autar K Mattoo 1,2, Theo Solomos 1,2, James D Anderson 1,2
PMCID: PMC1066632  PMID: 16663395

Abstract

Cellulysin-induced ethylene production in tobacco (Nicotiana tabacum L.) leaf discs was enhanced several-fold by prior exposure of the leaf tissue to ethylene. This enhancement in the response of the tissue to Cellulysin increased rapidly during 4 and 8 hours of pretreatment with ethylene and resulted from greater conversion of methionine to ethylene. On treatment with Cellulysin, the content of 1-aminocyclopropane-1-carboxylic acid (ACC) in leaf discs not pretreated with ethylene markedly increased while that of the ethylene-pretreated tissue was only slightly higher than in the tissue incubated in the absence of Cellulysin. Ethylene-treated tissue, however, converted ACC to ethylene at a faster rate than air controls. These data indicate that ethylene stimulates Cellulysin-induced ethylene production by stimulating the conversion of ACC to ethylene. Data are also presented on a possible relation of this phenomenon to ethylene produced by the tobacco leaf upon interaction with its pathogen, Alternaria alternata.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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