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Доповіді НАН України. – 2007. – N 6. – С. 162–164.
Инициация флорального морфогенеза у растений различной фотопериодической чувствительности и особенности экспрессии Са2+-зависимой протеинкиназы С
В.А. Негрецкий, Е.И. Ковзун
Abstract
We study the α-isoform of Ca-dependent protein kinase C (CaPKC)
expression during the induction of flowering in the leaves of different
photoperiodic sensitive plants. As a result, the expression of Са-dependent
proteine kinase С in the leaves of 2 biotypes of tobacco and perilla plants
is shown. The 5 long-day induction promoted the CaPKC expression in the
leaves of long-day tobacco Nicotiana silvestris L. plants
by 143%. A similar activation of the PKC expression was observed
after 5 short-day (SD) inductions in SD plants of tobacco
M. Mamoth and perilla. This allows us to
discuss the Сa-dependent PKC participation in mechanisms of signal
transduction during the photoperiodic induction and its involving in the
initial stages of floral morphogenesis.
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