biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 29:396-398, 1987 | DOI: 10.1007/BF02886620

Specific proteins in stem meristems during transition to flowering

Lidia Kovaleva1, Elvina Milyaeva1
1 K. A. Timiryazev Institute of Plant Physiology, Academy of Sciences USSR, Moscow I, USSR

Immunodiffusion tests were used for studying protein composition of apical buds ofRudbeckia bicolor andPerilla nankinensis during their transition from vegetative to reproductive state under inductive photoperiodic conditions or GA3 treatment. In both species the induced buds differ from the vegetative ones in the presence of specific proteins (P): P1, P2, P3 appear inRudbeckia apical buds 2, 8, 16 d after the start of inductive treatment; P4 appears inPerilla apical buds 6 d after inductive treatment. P1, P2, P4 are revealed in induced buds in the early period of apex development when morphogenetic changes are not yet present. The similarity between antigenic spectra of induced buds and of those treated by GA3 appears only inRudbeckia. These observations support the hypothesis of a change in gene expression at floral evocation.

Published: September 1, 1987  Show citation

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Kovaleva, L., & Milyaeva, E. (1987). Specific proteins in stem meristems during transition to flowering. Biologia plantarum, 29(5), 396-398. doi: 10.1007/BF02886620
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