Plastid transformation in greening scales of the onion bulb (Allium cepa, Alliaceae)

The greening of the upper part of the outer Allium cepa L. bulb scales, in particular along the vascular regions, is limited to the hypodermal cells in which typical leucoplasts are transformed to normal and functional chloroplasts. This process is light dependent and cannot afterwards be reversed o...

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Veröffentlicht in:	Plant systematics and evolution 1989-01, Vol.165 (1/2), p.85-89
Hauptverfasser:	Devide, Z, Ljubesic, N
Format:	Artikel
Sprache:	eng
Schlagworte:	Allium cepa Biological and medical sciences bulb scales Cell physiology Cells, cell elements: structure and function Chloroplasts Chromoplasts Fundamental and applied biological sciences. Psychology Greening hypodermal cells leucoplasts Mesophyll cells Metamorphosis Onions Parenchyma Plant cells plant morphology Plant physiology and development Plastids Thylakoids ultrastructure
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Beschreibung
Zusammenfassung:	The greening of the upper part of the outer Allium cepa L. bulb scales, in particular along the vascular regions, is limited to the hypodermal cells in which typical leucoplasts are transformed to normal and functional chloroplasts. This process is light dependent and cannot afterwards be reversed or modified by darkness. The changes in fine structure are described and briefly discussed.
ISSN:	0378-2697 1615-6110
DOI:	10.1007/BF00936037