Mechanism of phytochrome action in the control of biosynthesis of anthocyanin in Brassica oleracea

Pecket, R. C.; Bassim, Tahani A. Hathout

doi:10.1016/s0031-9422(00)91145-2

Cited by 23 publications

(3 citation statements)

References 19 publications

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“…The above compounds are sometimes used as solvents for the preparation of stock solutions of chemicals poorly soluble in H20, or as wetting agents, or for their action on membrane permeability (31). Ethanol and propanol at low concentrations (0.1% or less) have a slightly stimulatory action on anthocyanin synthesis and are inhibitory at higher concentrations (Fig.…”

Section: Resultsmentioning

confidence: 99%

Photocontrol of Anthocyanin Synthesis

Mancinelli¹,

Yang²,

Lindquist³

et al. 1975

Plant Physiol.

205

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Section: Resultsmentioning

confidence: 99%

Photocontrol of Anthocyanin Synthesis

Mancinelli¹,

Yang²,

Lindquist³

et al. 1975

Plant Physiol.

205

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“…Fortunately, there is another, similar Pfr paradox for which such an explanation offers no solution. Pecket & Bassim, (1974) have shown that n-propanol can be substituted for a short pulse of red light in the promotion of anthocyanin synthesis in etiolated red cabbage seedlings. Their crucial flnding, with respect to the mode of action of phytochrome, is that the promotive effect of npropanol (which does not produce Pfr!)…”

Section: Evidence For Two Interacting Processes In Phytochrome Actionmentioning

confidence: 99%

A scheme to account quantitatively for the action of phytochrome in etiolated and light‐grown plants

Johnson

Tasker

1979

Plant Cell & Environment

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A scheme to account for the phytochrome responses of dark grown and green plants is presented. In contrast to some other models (e.g. Smith, 1970;Schafer, 1975) it is proposed that both Pfr and the photoconversions of phytochrome are effectors of phytochrome action and interact to promote the observed responses. Under conditions where Ptot is not strongly wavelength dependent (e.g. with short pulses of light and in plants grown for prolonged periods in the light), responses will be predominantly related to Pfr concentration. Where Ptot is the major wavelength dependent variable (e.g. in the 'high irradiance reaction' of etiolated seedlings) it is proposed that the photo conversion process itself predominates in controlling the ultimate response. Some responses predicted by the scheme are compared with relevant published data.

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“…Generally anthocyanin synthesis is greatly enhanced on exposure to light not only in intact plants (11) but also in cultured plant cells (1). In some cases, however, a certain amount of anthocyanins was found in nonirradiated materials, e.g., seedlings of red cabbage (12,13), sunflower cotyledons (14), internodes of sorghum (15), seedlings of Vigna radiata (16), cultured cells of carrot (4,5,7), Happlopappus gracilis callus tissues (17), and grape cell suspension cultures (9). Although intentional selection of cell lines capable of producing anthocyanins in the dark was recently performed with grape suspension culture by Yamakawa et al (9), the details of the selection process were not shown.…”

Section: Discussionmentioning

confidence: 99%