Anthocyanin production in callus cultures ofDaucus carota as influenced by nutrient stress and osmoticum

Rajendran, L.; Ravishankar, G. A.; Venkataraman, L. V.; Prathiba, K.

doi:10.1007/bf01021647

Cited by 76 publications

(53 citation statements)

References 11 publications

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“…This is in keeping with the observed reduction of kaempferol glycoside levels in the anthocyanin overaccumulator line (pap1-D; Tohge et al, 2005). In addition to the important roles of flavonoids and phenylpropanoids under light stress, nutrient conditions such as nitrogen, sulfur, and phosphorus deficiency as well as high-carbon stress can also cause anthocyanin synthesis (Do and Cormier, 1991;Rajendran et al, 1992;Bonguebartelsman and Phillips, 1995;Nooden et al, 1996;Stewart et al, 2001;Nikiforova et al, 2004;Park et al, 2007). Many studies concerning the relationship between nitrogen and the rate of CO 2 assimilation and photosynthesis have suggested that anthocyanin accumulation is a metabolic marker for carbon/nitrogen imbalance under such stress conditions (Smart, 1994;Zheng et al, 2009).…”

Section: Carbon-based Secondary Metabolites Under the Regulation Of Nsupporting

confidence: 49%

Comprehensive Dissection of Spatiotemporal Metabolic Shifts in Primary, Secondary, and Lipid Metabolism during Developmental Senescence in Arabidopsis

et al. 2013

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Developmental senescence is a coordinated physiological process in plants and is critical for nutrient redistribution from senescing leaves to newly formed sink organs, including young leaves and developing seeds. Progress has been made concerning the genes involved and the regulatory networks controlling senescence. The resulting complex metabolome changes during senescence have not been investigated in detail yet. Therefore, we conducted a comprehensive profiling of metabolites, including pigments, lipids, sugars, amino acids, organic acids, nutrient ions, and secondary metabolites, and determined approximately 260 metabolites at distinct stages in leaves and siliques during senescence in Arabidopsis (Arabidopsis thaliana). This provided an extensive catalog of metabolites and their spatiotemporal cobehavior with progressing senescence. Comparison with silique data provides clues to source-sink relations. Furthermore, we analyzed the metabolite distribution within single leaves along the basipetal sink-source transition trajectory during senescence. Ceramides, lysolipids, aromatic amino acids, branched chain amino acids, and stressinduced amino acids accumulated, and an imbalance of asparagine/aspartate, glutamate/glutamine, and nutrient ions in the tip region of leaves was detected. Furthermore, the spatiotemporal distribution of tricarboxylic acid cycle intermediates was already changed in the presenescent leaves, and glucosinolates, raffinose, and galactinol accumulated in the base region of leaves with preceding senescence. These results are discussed in the context of current models of the metabolic shifts occurring during developmental and environmentally induced senescence. As senescence processes are correlated to crop yield, the metabolome data and the approach provided here can serve as a blueprint for the analysis of traits and conditions linking crop yield and senescence.

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Section: Carbon-based Secondary Metabolites Under the Regulation Of Nsupporting

confidence: 49%

Comprehensive Dissection of Spatiotemporal Metabolic Shifts in Primary, Secondary, and Lipid Metabolism during Developmental Senescence in Arabidopsis

et al. 2013

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“…Deficiencies in nitrogen (19,79,80), phosphorus (80,90,91) or both (92) cause anthocyanins to increase, as does exposure to lowered pH (82), methyl jasmonate (93), wounding (94), pathogen infection (95) and fungal elicitors (95). In contrast, GlaRgen et al (61), Gleitz et al (62) and Lo and Nicholson (96) noted suppression of anthocyanins in the presence of fungal elicitors.…”

Section: Other Induction Factorsmentioning

confidence: 93%

“…Studies with cell cultures of various species find anthocyanin accumulation resulting from osmotic stress induced by glucose (74,75), sucrose (76-8 1) and mannitol (74,75,78,80,82). Dilution stress was also shown to induce anthocyanins in normally pigmen:-free Petunia cell cultures (83).…”

Section: Osmotic Inductionmentioning

confidence: 99%

Environmental Significance of Anthocyanins in Plant Stress Responses

Chalker-Scott

1999

Photochem & Photobiology

1,275

386

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Anthocyanins are water-soluble pigments found in all plant tissues throughout the plant kingdom. Our understanding of anthocyanin biosynthesis and its molecular control has greatly improved in the last decade. The adaptive advantages of anthocyanins, especially in nonreproductive tissues, is much less clear. Anthocyanins often appear transiently at specific developmental stages and may be induced by a number of environmental factors including visible and UVB radiation, cold temperatures and water stress. The subsequent production and localization of anthocyanins in root, stem and especially leaf tissues may allow the plant to develop resistance to a number of environmental stresses. This article reviews the environmental induction of anthocyanins and their proposed importance in ameliorating environmental stresses induced by visible and UVB radiation, drought and cold temperatures.

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“…1 The Daucus carota callus subjected to phosphate stress produced 7.2% dry wt anthocyanin against 5.4% dry weight (DW) in the control. 113 Nutrient stress also has a marked effect on phenolic levels in plant tissues. 11 Deficiencies in nitrogen and phosphate lead to the accumulation of phenyl propanoids and lignification.…”

Section: Influence Of Nutrient Stress On Secondary Metabolitesmentioning

confidence: 99%