Carbohydrates Stimulate Ethylene Production in Tobacco Leaf Discs | Zendy

Shimon Meir | Zendy; Joseph Riov | Zendy; Sonia PhilosophHadas | Zendy; Nehemia Aharoni | Zendy

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Carbohydrates Stimulate Ethylene Production in Tobacco Leaf Discs

Author(s) -

Shimon Meir,

Joseph Riov,

Sonia PhilosophHadas,

Nehemia Aharoni

Publication year - 1989

Publication title -

plant physiology

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.90.4.1246

Subject(s) - nicotiana tabacum , sucrose , ethylene , in vivo , tobacco leaf , chemistry , biochemistry , industrial crop , solanaceae , hydrolysis , enzyme , in vitro , enzyme assay , nicotiana , alanine , biology , botany , microbiology and biotechnology , amino acid , agricultural engineering , engineering , gene , catalysis

The sucrose-stimulated in vivo hydrolysis of indole-3-acetyl-l-alanine (IAAIa) in tobacco (Nicotiana tabacum L.) leaf discs was confirmed by in vitro analysis of an IAAIa-hydrolyzing enzyme isolated from the same tissue. The enzymic activity could be stimulated by either aging of the tissue or by application of external IAA or sucrose. A combination of the above three treatments yielded maximal activity.

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