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Manipulating the availibity of the ethylene receptors-consequences for in vivo and in vitro in plant development

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Kepczynski J.

Biotechnologia

2006

issue 4

36-48

Plant hormone ethylene is involved in the regulation of many physiological processes. Response of plant tissue to ethylene requires binding of ethylene to its receptor, probably containing metal, perhaps cupper. Manipulation of ethylene perception allows to modulate physiological processes in order to know the role of ethylene and also to commercially control some processes. There are many compounds which interact with the ethylene receptor. Some compounds bind reversibly eg. 2,5-norbornadiene and some unreversibly eg. cyclopropenes bind to ethylene receptor. Cyclopropenes and 1-MCP are very effective blocking agents for ethylene receptor. Its application at low concentration, 0.5 nl, for 24 hours protects carnations and bananas from the effects of ethylene for ca. 12 days. 1-MCP is commonly used in studies and was registered to be used in a number of horticultural products in several countries. The effect of 1-MCP on in vivo seed germination, seedlings growth, flower senescence and fruit ripening as well as in vitro shoot formation, rhizogenesis and somatic embryogenesis are discussed.

Endogenous opioid peptides in physiological and pathological states with particular regard to kidneys

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Trelewicz P., Grzeszczyk W., Drabczyk R.

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1 Biotechnologia

1 Postępy Higieny i Medycyny Doświadczalnej

1 2006

1 1993

1 Drabczyk R.

1 Grzeszczyk W.

1 Kepczynski J.

1 Trelewicz P.

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Manipulating the availibity of the ethylene receptors-consequences for in vivo and in vitro in plant development

Endogenous opioid peptides in physiological and pathological states with particular regard to kidneys