The effect of intracellular calcium level regulators on the synthesis of pollen tube callose in Oenothera biennis L. | Zendy

E. Bednarska | Zendy

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The effect of intracellular calcium level regulators on the synthesis of pollen tube callose in Oenothera biennis L.

Author(s) -

E. Bednarska

Publication year - 2013

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.1989.016

Subject(s) - callose , pollen tube , calcium , pollen , botany , biophysics , chemistry , biology , cell wall , organic chemistry , pollination

It is shown that callose synthesis in the Oenothera biennis pollen tube is regulated by the endogenous Ca2+ level. Calcium antagonists reduced the amount of callose in the wall above the tip of the pollen tube (Verapamil - calcium channels blocker) and at the tube tip after stopping tube growth (La3+ - a Ca2+ substitute). Ruthenium red and ionophore A 23187, which raise the Ca 21 level in the cytoplasm, induced callose synthesis at the tip of pollen tube

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