Structure of the nucleoli in Angiosperms | Zendy

Maria Podbielkowska | Zendy

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Structure of the nucleoli in Angiosperms

Author(s) -

Maria Podbielkowska

Publication year - 2015

Publication title -

acta societatis botanicorum poloniae

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.297

H-Index - 29

eISSN - 2083-9480

pISSN - 0001-6977

DOI - 10.5586/asbp.1971.001

Subject(s) - nucleolus , rna , ground substance , amorphous solid , uranyl , phase contrast microscopy , chemistry , botany , biology , microbiology and biotechnology , biophysics , biochemistry , gene , crystallography , genetics , optics , physics , cytoplasm , ion , connective tissue , organic chemistry

The nucleolus structure in the cells of numerous Angiospermae plants was studied with light microscope. The living material was examined under phase and anoptral contrast. Microscopical observations were also carried out on the material fixed in chrome-formalin or in uranyl-formalin. An occurrence of two structural components of nucleolus was demonstrated: an amorphous ground substance and nucleolonema. Cytochemical analysis have shown that considerable amounts of RNA and acid proteins were located in the amorphous substance while nucleolonema was composed of basic proteins and slight quantities of RNA

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