Induced changes in phenolic acids and stilbenes in embryogenic cell cultures of Norway spruce by culture filtrate of Ascocalyx abietina

Cvikrová, Milena; Malá, Jana; Hrubcová, Marie; Eder, J.; Foretová, S.

doi:10.1007/bf03356239

Cited by 15 publications

(12 citation statements)

References 34 publications

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“…Stilbenes have been extensively studied for their fungi-conifer interactions. A common response to wounds or fungal attack is a decrease in glycosylation (Viiri et al 2001;Malá et al 2011;Lieutier et al 2003;Cvikrová et al 2008). The concentrations of stilbene glucosides in the inner bark of Scots pine (P. sylvestris) have been observed to decrease more in the vicinity of fungal inoculation than in the vicinity of mechanical damage (Viiri et al 2001;Jyske et al 2014).…”

Section: Stilbenes In Scots Pine (Pinus Sylvestris) and Their Antimicmentioning

confidence: 99%

“…This has been researched to be the most probable pathway for gallic acid also in birch leaves (Ossipov et al 2003). p-Hydroxybenzoic, salicylic, protocatechuic, vanillic, gallic, and syringic acids have been detected in mature seeds (Cvikrová et al 2008) and in the roots of Norway spruce (P. abies) (Malá et al 2011;Münzenberger et al 1990). Glycosides of p-hydroxybenzoic acid and vanillic acid derivatives have been detected in bark of Scots pine (P. sylvestris) (Karonen et al 2004; Pan and Lundgren 1996).…”

Section: Biosynthesis Of Hydroxybenzoic Acidsmentioning

confidence: 99%

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Bioactive phenolic compounds, metabolism and properties: a review on valuable chemical compounds in Scots pine and Norway spruce

2019

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Phenolics and extracted phenolic compounds of Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) show antibacterial activity against several bacteria. The majority of phenolic compounds are stilbenes, flavonoids, proanthocyanidins, phenolic acids, and lignans that are biosynthesized in the wood through the phenylpropanoid pathway. In Scots pine (P. sylvestris), the most abundant phenolic and antibacterial compounds are pinosylvin-type stilbenes and flavonol-and dihydroflavonol-type flavonoids, such as kaempferol, quercetin, and taxifolin and their derivatives. In Norway spruce (P. abies) on the other hand, the main stilbene is resveratrol and the major flavonoids are quercetin and myricetin. In general, when the results from the literature regarding the activities of flavonoid glycosides and their aglycones against a total of twenty-one microorganisms are summarized, it was found that phenolic glycosides are less active than the corresponding aglycones, although a number of exceptions are also known. The aglycones in plants respond to various kinds of biotic stress. Synergistic effects between aglycones and their glycosides have been observed. Minimum inhibition concentrations of below 10 mg L-1 against bacteria have been reported for gallic acid, apigenin, and several methylated and acylated flavonols present in these industrially important trees. In general, the phenolic compounds are more active against Gram-positive bacteria, but apigenin is reported to exhibit strong activity against Gram-negative bacteria. The present review lists some of the biosynthesis pathways for the antibacterial phenolic metabolites found in Scots pine (P. sylvestris) and Norway spruce (P. abies). The antimicrobial activity of the compounds is collected and compared to gather information about the most effective secondary metabolites.

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Section: Stilbenes In Scots Pine (Pinus Sylvestris) and Their Antimicmentioning

confidence: 99%

Section: Biosynthesis Of Hydroxybenzoic Acidsmentioning

confidence: 99%

Bioactive phenolic compounds, metabolism and properties: a review on valuable chemical compounds in Scots pine and Norway spruce

2019

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“…In proembryogenic cells (i.e., the cells not yet induced to maturation), the content of secondary metabolites is generally low (Vuosku et al 2012). However, osmotic stress has been found to induce secondary metabolism also in the proembryogenic cell cultures (Cvikrová et al 2008;Hatmi et al 2014) and can be related to, i.e., cell wall stiffening (Boudet 2007). Phenylalanine ammonia lyase (PAL) links primary and secondary metabolism by catalyzing the conversion of L-phenylalanine to cinnamic acid, the initial substrate of phenylpropanoid metabolism (Butland et al 1998).…”

Section: Introductionmentioning

confidence: 99%

Osmotic stress affects polyamine homeostasis and phenolic content in proembryogenic liquid cell cultures of Scots pine

Muilu‐Mäkelä

Vuosku

Hamberg

et al. 2015

Plant Cell Tiss Organ Cult

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Polyamines (PAs) are ubiquitous polycations involved in many physiological processes in plants, including somatic embryogenesis, cellular growth and stress reactions. In the present study, we focus on the consequences in PA metabolism caused by polyethylene glycol (PEG) in proembryogenic Scots pine (Pinus sylvestris L.) liquid cultures. The growth and viability of the cell masses and changes in PA concentrations and phenolic secondary metabolites were investigated under control, 5 and 10 % PEG treatments. The effect of osmotic stress responses was investigated at the gene expression level including stress, cell division, programmed cell death and PA-related genes and PA metabolites. Moreover, the expression of ethylene and proline biosynthesis genes and phenylalanine ammonia lyase and stilbene synthase (psSTS) was analyzed. Under osmotic stress conditions, we found a consistent pattern of endogenous PAs in Scots pine proembryogenic cells. However, accumulation of free spermine (Spm) and methyl putrescine under osmotic stress might indicate their specific role in stress protection. Expression of polyamine oxidase was down-regulated under osmotic stress, suggesting the role of PA catabolism in regulation of Spm levels. Scots pine proliferating proembryogenic cells are in a developmentally undifferentiated stage where the content of secondary metabolites is generally low. However, in the present study the total content of phenolic compounds increased but the biosynthesis of phenylpropanoids and stilbenes, generally considered as stress-protective molecules, was not affected by osmotic stress.

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“…The employment of plant tissue cultures for in vitro phytotoxicity studies of fungal cultural filtrates has been carried out by many researchers (Dahleen and McCormic, 2001;Mohanraj et al, 2003); different plant callus has been used in toxicity experiments such as the callus of eggplant, soybean, Norway spruce, neem and pepperwort (Koike et al, 1993;Jin et al, 1996;Cvikrova et al, 2008;Girish et al, 2009;Wagh et al, 2013).…”

Section: Resultsmentioning

confidence: 99%

Responses of date palm (Phoenix dactylifera L.) callus to biotic and abiotic stresses

Abass¹

2016

Emir. J. Food Agric

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Induced changes in phenolic acids and stilbenes in embryogenic cell cultures of Norway spruce by culture filtrate of Ascocalyx abietina

Cited by 15 publications

References 34 publications

Bioactive phenolic compounds, metabolism and properties: a review on valuable chemical compounds in Scots pine and Norway spruce

Bioactive phenolic compounds, metabolism and properties: a review on valuable chemical compounds in Scots pine and Norway spruce

Osmotic stress affects polyamine homeostasis and phenolic content in proembryogenic liquid cell cultures of Scots pine

Responses of date palm (Phoenix dactylifera L.) callus to biotic and abiotic stresses

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