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Biologia Plantarum

, Volume 30, Issue 5, pp 333–337 | Cite as

Changes in intracellular localization of peroxidase during Microsporogenesis in Gymnosperms

  • B. Wróbel
  • Alicja Góeska-Brylass
Original paper
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Abstract

Cytochemical investigations on peroxidase localization during microsporogenesis inLarix europaea D.C.,Taxus baccata L. andPinus sylvestris L. have revealed striking differences in the localization and activity level of this enzyme linked with the developmental stage.

The localization and level of activity of peroxidase, typical of each stage, changed in the course of microsporogenesis in a strictly orderly way, giving a characteristic and stable pattern. The pattern of intracellular peroxidase localization proved to be the same for microsporogenesis of all the gymnosperms in question.

It is suggested that the identity of that pattern in plants so phylogenetically distant asTaxus baccata L. andPinus sylvestris L. indicates that peroxidase activity in gymnosperms’ microsporogenesis is connected with the fundamental and genetically well stabilized processes of meiotic cytodifferentiation.

Moreover, enhanced peroxidase activity has been found in the sites of callose walls synthesis of dyads and tetrads, which suggests the participation of this enzyme in callose synthesis.

Key words

Larix europaea D.C. Taxus baccata L. Pinus sylvestris L. meiotic cytodifferentiation callose synthesis 

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Copyright information

© Academia 1988

Authors and Affiliations

  • B. Wróbel
    • 1
  • Alicja Góeska-Brylass
    • 1
  1. 1.Department of Plant Cytology and GeneticsInstitute of Biology, Copernicus UniversityToruńPoland

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