Ca2 in the pistil of Petunia hybrida Hort. during growth of the pollen tube - cytochemical and radiographic studies

• Autorzy: Lenartowska M. , Bednarska E. , Butowt R.
• Języki publikacji: EN

Abstrakty

EN

The aim of the present study was to find the source of postpollination increase in calcium content in the transmitting tract in the style of Petunia hybrida Hort. Cytochemical and radiographic studies revealed a progressive increase in the level of free and loosely bound calcium ions in the course of successive developmental stages of the pollen tubes in the pistil. A surprising phenomenon was the increase in Ca2+ content in the extracellular regions of the transmitting tract preceding the penetration of the pollen tubes therein. We suggest that the main sources of postpollination increase in calcium in the pistil are the walls of the transmitting cells and the intercellular matrix and, probably, additional Ca2+ uptake, initiated by pollination.

Słowa kluczowe

EN

chromatin; pistil; Solanaceae; pollination; calcium content; cytoplasm; Petunia hybrida; calcium level; pollen tube; calcium ion; transmitting cell; pollinated pistil; plant

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 1997
• Tom: 39
• Opis fizyczny: p.79-89,fig.

Twórcy

autor

Lenartowska M.

• Nicolaus Copernicus University, 87-100 Torun, Poland

autor

Bednarska E.

autor

Butowt R.

Bibliografia

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