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Light Regulates the Tissue-Specific Expression of PKS1 and PKS2.
(A) PKS1-GUS transgenic seedlings grown for 3 days in darkness (D), hourly pulses of FR (FRp), hourly pulses of R (Rp), or continuous FR (FRc).
(B) PKS2-GUS transgenic seedlings treated as described in (A).
