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Quantitative analysis of turbellarian cell suspension by fluorescent staining with acridine orange, and video microscopy
Behensky, C.; Schürmann, W.; Peter, R. (2001). Quantitative analysis of turbellarian cell suspension by fluorescent staining with acridine orange, and video microscopy. Belg. J. Zool. 131(Suppl. 1): 131-136
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, meer
Ook verschenen in:
Saló, E.; Watson, N.; Schockaert, E. (Ed.) (2001). Proceedings of the 9th International Symposium on the Biology of the Turbellaria, Barcelona, Spain, June 2000. Belgian Journal of Zoology, 131(Suppl. 1). Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Diepenbeek. 236 pp., meer
Peer reviewed article  

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Trefwoorden
    Acids > Organic compounds > Organic acids > Nucleic acids > DNA
    Acids > Organic compounds > Organic acids > Nucleic acids > RNA
    Analysis > Image analysis
    Analytical techniques > Microscopy > Fluorescence microscopy
    Biological phenomena > Regeneration
    Cell constituents > Chromosomes > Genes
    Cultures > Cell suspensions
    Image analysis
    Image interpretation > Image analysis
    Morphogenesis
    Toxicology > Toxic substances > Mutagens > Acridines > Acridine orange
    Macrostomum Schmidt, 1848 [WoRMS]; Platyhelminthes [WoRMS]
    Marien/Kust

Auteurs  Top 
  • Behensky, C.
  • Schürmann, W.
  • Peter, R.

Abstract
    A combination of methods has been developed for analyzing cell suspensions from turbellarians with respect to cytochemical and morphometric parameters and with special emphasis on the characterization of neoblasts. Tissues were disintegrated by mechanical and enzymatic means. Neoblasts were separated and/or fractionated by different centrifugation protocols in Percoll density-gradients. Staining with acridine orange under conditions denaturing RNA but leaving intact double stranded DNA yielded green fluorescence of DNA and red phosphorescence of RNA. Both light emissions were documented and quantitative image analyses were performed. By computing the integral intensities of green and red light, quantitative measures were gained for DNA and RNA contents. By correlating these light emissions to each other or to cell size, histograms characteristic for given neoblast pools were obtained. The protocol described should facilitate monitoring the heterogeneity of the neoblast compartment as well as studying cellular dynamics during growth, regeneration and other physiological processes.

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