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Callose: localization, functions and synthesis in plant cells
SUMMARY. References are analyzed concerning the key role of callose in fragmoplast formation, differentiation of pores in the phloem, course of microsporogenesis and pollination, functioning of stomata guard cells, protection of plant cells for biotic and abiotic stresses. The special attention is given to consideration of callose functions and its synthesis. Callose synthase is activated by the glucosides, polyamines, calcium ions, magnesium ions, manganese ions, and also ABA phytohormone. The gene polymorphism (AtCalS1–AtCalS12)of callose synthase is related with cell growth, tissue and cell differentiation, and with cell response to stress.
Key words: callose, plasmodesms, pores, cell wall, stress, apoplast water transport, callose synthase, genes
E-mail: cellbiol ukr.net
|Coded & Designed by Volodymyr Duplij||Modified 24.09.21|