Specific binding sites for progesterone and 17beta-estradiol in cells of Triticum aestivum L.

• Autorzy: Janeczko A. , Budziszewska B. , Skoczowski A. , Dybala M.
• Języki publikacji: EN

Abstrakty

EN

The presence and location of specific binding sites for progesterone and 17β-estradiol in cells of wheat were estimated using radioligand binding assay. Membrane and cytosolic fractions of non-vernalized and vernalized plants were tested using tritium-labelled ligands. Specific binding of [3H]progesterone and [3H]17β-estradiol occurs in wheat cells. The binding sites are located in membranes and in the cytosol. Specific binding of [3H]17β-estradiol is higher in the membranes than in the cytosol. Specific binding of both ligands in the cytosolic fraction is higher in vernalized plants than in non-vernalized ones. The possibility of the occurrence of steroid binding proteins specific for progesterone and 17β-estradiol, putative steroid receptors for these steroids in Triticum aestivum L., is discussed.

Słowa kluczowe

EN

Triticum aestivum; progesterone; 17beta-estradiol; cell; vernalization; plant growth; plant development; signalling molecule

• Wydawca: -
• Czasopismo: Acta Biochimica Polonica
• Rocznik: 2008
• Tom: 55
• Numer: 4
• Opis fizyczny: p.707-711,fig.,ref.

Twórcy

autor

Janeczko A.

• Polish Academy of Sciences, Niezapominajek 21, 30-239 Krakow, Poland

autor

Budziszewska B.

autor

Skoczowski A.

autor

Dybala M.

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