ΠΕΙΡΑΜΑΤΙΚΗ ΜΕΛΕΤΗ ΤΗΣ ΜΟΡΦΟΓΕΝΕΣΗΣ ΤΩΝ ΚΑΤΑΦΡΑΚΤΙΚΩΝ ΚΥΤΤΑΡΩΝ ΤΟΥ ΦΥΤΟΥ ZEA MAYS

THE MORPHOGENETICAL MECHANISM OF DUMBELL-SHAPED GUARD CELLS WAS BEEN EXPERIMENTALLY STUDIED. THE MAIN OBSERVATIONS ARE AS FOLLOWS: 1) THE POSITION AND THE SHAPE OF THE LOCAL THICKENING ARE NOT AFFECTED BY TREATMENTS WITH COLCHICINE IPC AND CALCIUM CHLORIDE. THE FACTORS INVOLVED IN THIS PEHNOMENON ARE ACTIVATED BEFORE THE SYMMETRICAL DIVISION OF GUARD CELLS AND ARE NOT ONLY MICROTUBULES, 2) THERE IS CO-ASSIGNMENT OF PERIPHERAL MICROTUBULES AND CELLULOSE MICROFIBRILS, 3) THE FORMATION OF THE STOMATAL PORE IS A RESULT OF GUARD CELLS PASS THROUGH AN INTERMEDIATE STAGE IN WHICH THEY ASSUME A KIDNEY LIKE SHAPE. IT SEEMS LIKELY THAT THE RADIAL MICROFIBRIL ARRANGEMENT IN THE PERIPHERAL WALLS IN THE KIDNEY-LIKESHAPE OF THE GUARD CELLS IS NECESSARY FOR THE MORPHOGENESIS OF THE DUMBELL-SHAPED GUARD CELLS . IMPORTANT FOR THE MORPHOGENESIS OF DUMBELL-SHAPED GUARD CELLSIS ALSO THE ELONGATION OF THE GUARD CELLS.

Grantor dc:publisher

Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)

Year dc:date

1987

Author dc:creator

• Λουκάρη- Γιαννάκου, Ελένη

• CALCIUM CHLORITE
• CELLULOSE MICROFILAMENTS
• Colchicine
• GUARD CELL
• IPC
• Microtubules
• Morphogenesis
• Zea mays
• Βοτανική
• ΚΑΤΑΦΡΑΚΤΙΚΑ ΚΥΤΤΑΡΑ
• Μορφογένεση
• Natural Sciences
• Biological Sciences
• Φυσικές Επιστήμες
• Βιολογία

Language dc:language

gre

Identifier

10.12681/eadd/0626

OAI identifier oai:identifier

oai:10442/0626