Responses of secondary metabolism in plants to nutrient deficiency

Chishaki, Naoya; Horiguchi, T.

doi:10.1080/00380768.1997.11863704

Cited by 56 publications

(35 citation statements)

References 4 publications

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“…under reduced N concentration. Such results imply that N deficiency is a major mediator of phenolic acid accumulation, which is in line with Chishaki and Horiguchi, who observed that the most marked effect on phenolic acid levels in rice plants was in response to N deficiency, followed by P deficiency, and finally by K deficiency, which had a minor effect.…”

Section: Resultssupporting

confidence: 88%

Macronutrient deprivation eustress elicits differential secondary metabolites in red and green‐pigmented butterhead lettuce grown in a closed soilless system

et al. 2019

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BACKGROUND Through precise control of the nutrient solution (NS), closed soilless systems enable targeted manipulation of plant secondary metabolites, which constitute health‐promoting components of the human daily diet. A nutrient film technique (NFT) system was employed to assess the effect of NS macronutrient‐based concentration (full, half‐, and quarter‐strength corresponding to electrical conductivity (EC) of 1.5, 0.75, and 0.5 dS m−1) on the bioactive profile of red and green‐pigmented Salanova® butterhead lettuce. RESULTS Half‐strength NS reduced fresh biomass of both cultivars by 14%, whereas quarter‐strength NS reduced the fresh biomass of green and red Salanova by 24% and 38%, respectively. However, moderate nutrient stress (half‐strength NS) boosted red Salanova total ascorbic acid, chlorogenic, chicoric, caffeoyl‐meso‐tartaric, total phenolic acids, and anthocyanins concentrations by 266%, 199%, 124%, 251%, 162%, and 380%, respectively compared with the control, full‐strength NS. CONCLUSIONS Nutritional eustress and appropriate cultivar selection are effective means to increase phytochemical content and optimize year‐round production of lettuce in closed soilless systems. © 2019 Society of Chemical Industry

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Section: Resultssupporting

confidence: 88%

Macronutrient deprivation eustress elicits differential secondary metabolites in red and green‐pigmented butterhead lettuce grown in a closed soilless system

et al. 2019

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“…Exudation of phenolics has also been reported to be a response to phosphate starvation in rice plants (Chishaki and Horiguchi, 1997). Phenolics are suggested to contribute to phosphate mobilization by the reduction of sparingly soluble Fe 3+ phosphates; the roots of Cajanus cajan L. release piscidic acid (phydroxyphenyl tartaric acid) in order to facilitate the uptake of phosphate from Fe-phosphates (Ae et al, 1990).…”

Section: Discussionmentioning

confidence: 98%

Changes in the concentration of phenolic compounds and exudation induced by phosphate deficiency in bean plants (Phaseolus vulgaris L.)

et al. 2004

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The effect of prolonged phosphate starvation of bean plants (Phaseolus vulgaris L.) on the concentration of phenolics and their exudation by roots was studied. Plants cultured on phosphate-deficient media maintained a steady concentration of total phenolics in the leaves, whereas in the leaves of plants grown on complete nutrient media the phenolic concentration decreased. After 18 days of culture, higher total phenolics and anthocyanin concentrations in phosphate-deficient leaves compared with control leaves were observed. The divergent trends in total phenolic concentrations between phosphate-deficient and control leaves corresponded to the changes in the activity of L-phenylalanine ammonia-lyase. In the roots, the concentration of total phenolics was lower in phosphate-deficient plants compared with control plants. However, after 18 days of culture of bean plants, the amount of exuded phenolics from phosphate-deficient roots was 5-times higher than that from the roots of control plants. The activity of L-phenylalanine ammonia-lyase was twice as high in the roots of phosphate-starved plants. Comparable rates in the exudation of phenolics by bean roots observed after 18 days of culture on nitrogen-deficient or phosphate-deficient medium may suggest a similar system of signal transduction for phenolics release. The results are discussed in relation to the possible functions of phenolics in nutrient uptake and as chemical signals in root-soil microbe interactions to enhance the plant adaptation to particular environmental conditions.Abbreviations: PAL-L-phenylalanine ammonia-lyase; P-phosphorus; Pi-inorganic phosphate; ROS-reactive oxygen species.

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“…Nitrogen deficiency increases the BGF to ChlF ratio because of a decrease in ChlF accompanied or not by an increase in BGF (Heisel et al 1996, reviewed in Cerovic et al 1999. This increase was related to an accumulation of phenolic metabolites as predicted by the Carbon/Nutrient Balance hypothesis (Mercure et al 2004;Cartelat et al 2005) For example, a nitrogen deficiency in rice resulted in the accumulation of hydroxycinnamic acid, notably p-coumaric and ferulic acid, two BGF emitting pigments (Chishaki and Horiguchi 1997). Besides nutrient deficiencies, fluorescence can also be affected by parasitic attacks.…”

Section: Field Applicability Considerationsmentioning

confidence: 97%

Discrimination of corn, grasses and dicot weeds by their UV-induced fluorescence spectral signature

et al. 2009

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Real-time spot spraying of weed patches requires the development of sensors for the automatic detection of weeds within a crop. In this context, the potential of UVinduced fluorescence of green plants for corn-weed discrimination was evaluated. A total of 1 440 spectral signatures of fluorescence were recorded in a greenhouse from three plant groups (four corn hybrids, four dicotyledonous weed species and four monocotyledonous weed species) grown in a growth chamber. With multi-variate analysis, the full information contained in each spectrum was first reduced to the scores calculated from five principal components. Then, a linear discriminant analysis was applied on these scores to classify spectra on a species/hybrids basis and, subsequently, the resulting classes were aggregated according to the three plant groups. This two-step process minimized the error generated by heterogeneous groups such as dicotyledonous weeds. The output of this classification shows the significant potential of UV-induced fluorescence for plant group discrimination as the success rate reached 91.8%. No error was observed between corn and dicot weeds and most of the errors between corn and grasses came from confusion between the hybrid Pioneer 39Y85 and Setaria glauca L. (Beauv.). Analysis also determined that the position of the fluorescence sensor on the leaf and the plant age had negligible effects on the efficiency of fluorescence to discriminate plant groups. The factors to consider for transferring the results about UV-induced fluoro-sensing from laboratory to the field are discussed.

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Responses of secondary metabolism in plants to nutrient deficiency

Cited by 56 publications

References 4 publications

Macronutrient deprivation eustress elicits differential secondary metabolites in red and green‐pigmented butterhead lettuce grown in a closed soilless system

Macronutrient deprivation eustress elicits differential secondary metabolites in red and green‐pigmented butterhead lettuce grown in a closed soilless system

Changes in the concentration of phenolic compounds and exudation induced by phosphate deficiency in bean plants (Phaseolus vulgaris L.)

Discrimination of corn, grasses and dicot weeds by their UV-induced fluorescence spectral signature

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