the level of fru2,6p ( 2 ) in guard-cell protoplasts and epidermal strips was about 0.1 to 1 attomole per guard cell in the dark ( corresponding to 0.05 to 0.5 nanomole per milligram chlorophyll ) and increased three- to tenfold within 15 minutes in the light .
C1521528
6p
C0007634
cell