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Molecular aspects of cell proliferation and neurogenesis in planarians
Rossi, L.; Batistoni, R.; Salvetti, A.; Deri, P.; Bernini, F.; Andreoli, I.; Falleni, A.; Gremigni, V. (2001). Molecular aspects of cell proliferation and neurogenesis in planarians. Belg. J. Zool. 131(Suppl. 1): 83-87
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, more
Also appears 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., more
Peer reviewed article  
Available in  Authors 
Keywords
    Arthropods > Hexapoda > Arthropods > Insects > Diptera > Drosophilidae > Drosophila
    Biological development > Differentiation
    Biological phenomena > Regeneration
    Characteristics > Composition > Chemical composition > Protein
    Cloning
    Differentiation
    Drosophila
    Platyhelminthes [WoRMS]
    Marine/Coastal; Fresh water; Terrestrial
Authors  Top 
  • Rossi, L.
  • Batistoni, R.
  • Salvetti, A.
  • Deri, P.
  • Bernini, F.
  • Andreoli, I.
  • Falleni, A.
  • Gremigni, V.
Abstract
    An MCM2 gene (DjMCM2) which represents a suitable molecular marker for detecting proliferating neoblasts was isolated in planarians. Neoblasts are the only self-renewing cells in these organisms and may be able to differentiate into all cell types lost to physiological turnover or injury. To understand the molecular basis leading to neoblast commitment to a differentiative fate, some regulatory genes were cloned. Our interest was focused on the process of nerve cell differentiation. DjXnp, a planarian gene coding for a protein similar to Xnp/ATRX, a DNA helicase involved in mammalian brain development via chromatin structure modification, was obtained by RT-PCR. A similar strategy was also used to clone two different Pax-6-related planarian genes. Identification of factors involved at different levels in the control of gene expression during nerve cell differentiation could be of importance to understand the regulatory programs, which operate during neoblast differentiation in planarians.
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