ZIB

Treffer pro Seite

Treffer 1 - 1 | 1 Treffer

Sortierung

Digitale Medien

Protoplasmic streaming inPhysarum polycephalum (1973)

Sachsenmaier, W. ; Blessing, J. ; Brauser, B. ; [weitere]

Springer

Protoplasma 77 (1973), S. 381-396

zur Merkliste hinzufügen auf der Merkliste

Details

ISSN: 1615-6102

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Summary Living plasmodia of the myxomycetePhysarum polycephalum exhibit cyclic variations of light transmission and fluorescence in close correlation with the rhythmic pattern of cytoplasmic streaming. These oscillations largely reflect changes of the plasmodial geometry due to rhythmic local contractions and dilations. A convenient technique was developed to record continuously the oscillatory pattern under various experimental conditions. The results indicate that protoplasmic pulsations stop or largely decelerate during synchronous nuclear mitosis of actively growing plasmodia. Removal of oxygen reduces the frequency of oscillations while increasing the amplitude; the intracellular ATP level drops by about 40% under these conditions. Treatment with cycloheximide also slows down protoplasmic streaming even at concentrations as low as 0.2 μg/ml. A model is discussed suggesting that protoplasmic shuttle-streaming inPhysarum polycephalum is controlled by an oscillating glycolytic system.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01275716

Permalink

Bibliothek	Standort	Signatur	Band/Heft/Jahr	Verfügbarkeit

Andere fanden auch interessant ...

Artikel (Nationallizenzen)

Volltext

Treffer 1 - 1 | 1 Treffer