Allelochemical stress causes oxidative damage and inhibition of photosynthesis in Chlorella vulgaris

Qian, Haifeng; Xu, Xiaoyan; Chen, Wei; Jiang, Hong; Jin, Yuanxiang; Liu, Weiping; Fu, Zhengwei

doi:10.1016/j.chemosphere.2008.12.040

Cited by 162 publications

(73 citation statements)

References 36 publications

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“…We found that certain concentrations of rutin decreased the cell density of S. costatum and suppressed algal growth. Moreover, the inhibitory activity of rutin was negatively related to initial algal density, consistent with the effects of the algaecides N-phenyl-2-naphthylamine [35], eathyl-2-methyl acetoacetate [36], and gramine [37]. The IC 50 of rutin against growth of S. costatum was 6.69×10 −7 mol L 1 , which was much lower than its concentration in the root extract, suggesting that it may have been present at a significant concentration in the co-culture filtrate.…”

Section: Discussionsupporting

confidence: 50%

Inhibitory effect of Salicornia europaea on the marine alga Skeletonema costatum

Jiang

Huang

Lin

et al. 2012

Sci. China Life Sci.

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Exploiting the negative biochemical interference between plants and algal species has been suggested as a method to control harmful algal blooms. In this work, we investigated the inhibitory effect of the salt marsh halophyte Salicornia europaea against the marine alga Skeletonema costatum. S. europaea suppressed the growth of S. costatum in a nutrient-sufficient co-culture system, indicating that the inhibition of algal growth was because of the phytotoxic effect of S. europaea, rather than nutrient competition. We tested aqueous and organic extracts from S. europaea roots against S. costatum. The organic extracts inhibited growth and affected the cell size and chlorophyll a content of S. costatum in a dose-dependent manner. Among the three tested organic extracts, the methanol extract had the greatest effects on S. costatum, followed by butanol extract, and then the chloroform extract. Two flavonoids, rutin and quercetin-3--D-glucoside, were identified in the methanol extract by high performance liquid chromatography. The concentration of rutin was much higher than that of quercetin-3--D-glucoside. In an algal bioassay, rutin inhibited the growth of S. costatum and the inhibitory effect increased with increasing rutin concentration and with decreasing initial algal density. Therefore, we concluded that S. europaea negatively affects the growth of S. costatum, and that rutin, a metabolite of S. europaea, may play a role in this inhibitory effect. dose-dependent, root extracts, rutin, Salicornia europaea, Skeletonema costatum Citation:Jiang D, Huang L F, Lin Y Q, et al. Inhibitory effect of Salicornia europaea on the marine alga Skeletonema costatum.

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Section: Discussionsupporting

confidence: 50%

Inhibitory effect of Salicornia europaea on the marine alga Skeletonema costatum

Jiang

Huang

Lin

et al. 2012

Sci. China Life Sci.

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“…This phenomenon may be attributed to the fact that low concentration of allelochemical secreted from H. reticulatum can increase the cell membrane permeability of C. pyrenoidosa, and thus facilitate C. pyrenoidosa to absorb nutrients from culture medium. However, when the concentration of allelochemical exceeds a certain threshold, the cell membrane of C. pyrenoidosa would be destroyed, leading to the death of algae cell [18,39,42]. Figure 3 presents the growth curves of C. pyrenoidosa under liquor-cultured condition.…”

Section: The Allelopathy Inhibitory Effects Of Hydrodictyon Reticulatmentioning

confidence: 99%

“…In addition, it is easy to be harvested and removed from water due to its large algae plant [14]. Meanwhile, Microcystis was mainly selected in the studies on allelopathy [27,32,[35][36][37][38], but as another main algal specie inducing blooms [35,39], Chlorella was rarely chosen. Chlorella grows in freshwater lakes and ponds, and generally begins to grow and multiply when the water temperature is stable and higher than 20 • C. It has very strong abilities of photosynthesis and reproduction in summer, thus often forming blooms.…”

Section: Introductionmentioning

confidence: 99%

Allelopathy Inhibitory Effects of Hydrodictyon reticulatum on Chlorella pyrenoidosa under Co-Culture and Liquor-Cultured Conditions

Chen

Huang

et al. 2017

Water

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Eutrophication has become increasingly serious in recent years, which severely impairs the aquatic ecosystem. Applying environmentally-friendly methods to effectively control the growth of algae and avoid eutrophication has been proved to be a promising way. Thus, the potential of Hydrodictyon reticulatum on eutrophication control was studied in this research. The allelopathy inhibitory effects of H. reticulatum on the growth of Chlorella pyrenoidosa were investigated under both co-culture and liquor-cultured conditions. The biomass and chlorophyll a content of C. pyrenoidosa were determined with time during the experimental period. Nitrogen and phosphorus removal capacities of H. reticulatum were also examined. Results showed that the growth of C. pyrenoidosa was obviously inhibited under both co-culture and liquor-cultured conditions, and the "Hormesis effect" was patently observed. The strength of allelopathy inhibitory effect depended on the relative biomass between H. reticulatum and C. pyrenoidosa. The allelopathy inhibitory effect of H. reticulatum on C. pyrenoidosa under co-culture condition was stronger than that under liquor-cultured condition. The decrease speeds of nitrogen and phosphorus concentrations were in direct proportion to the concentration of H. reticulatum.

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“…Some data suggest involvement of respiratory or photosynthetic electron chain 18,19 or activation of plasma membrane NADPH oxidase. 15 CA may function similarly to KCN, an inhibitor of cytochrome c oxidase, leading to transient overproduction of ROS followed by higher rates of alternative oxidase (AOX) activity, which finally act as compensatory tool that reduces ROS generation.…”

Section: Ca As Oxidative Stress Agent: Yes or No?mentioning

confidence: 99%

Inhibition of tomato (Solanum lycopersicumL.) root growth by cyanamide is not always accompanied with enhancement of ROS production

Sołtys

Gniazdowska

Bogatek

2013

Plant Signaling & Behavior

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Allelopathic interactions have mainly negative character on targeting plants. Inhibition and/or delay of seed germination or seedling growth of acceptor plants is an effect of mostly diversified mode of action of allelochemicals.1 It means that inhibition of activity of one enzyme or slowdown of the process triggers cascade of events leading to initialization of signal transduction and/or switching on cell's defense mechanisms. However, nature of allelopathic interactions is time and dose dependent and differs in various plant species and depends on other environmental factors. Most studies on allelopathy are conducted under laboratory conditions due to elimination of non-direct effects coming from environment. In this way, the phenomenon of interaction of allelochemical on acceptor plants is called phytotoxicity.Cyanamide (CA) is one of the newly discovered allelochemical, found in hairy vetch (Vicia villosa subs. cracca Roth.) and crucial for its allelopathic potential.2 Research on phytotoxic action of CA confirmed its abilities in inhibition of seed germination and seedling growth of various plant species. 3Mode of action of CA on root growth was partially examined in onion bulbs. 4 Our former studies, conducted on tomato seedlings, indicated disturbances in root tip cells division leading to reduction of length of root tip zone, as the main reason of CA-induced root growth inhibition. 5 This, in consequence, reorganized every other root zones. Moreover, disorder in mitosis was correlated with altered expression of expansin genes (LeEXPA9 and LeEXPA18) involved in reconstitution of cell wall after Mode of action of allelochemicals in target plants is currently widely studied. Cyanamide is one of the newly discovered allelochemical, biosynthesized in hairy vetch. recently, it has been recognized that cyanamide is plant growth inhibitor, which affects mitosis in root tip cells and causes, e.g., disorder in phytohormonal balance. We also demonstrated that Ca may act as oxidative stress agent but it strictly depends on plant species, exposure time and doses. roots of tomato seedling treated with water solution of 1.2 mM cyanamide did not exhibit elevated reactive oxygen species concentration during the whole culture period.

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Allelochemical stress causes oxidative damage and inhibition of photosynthesis in Chlorella vulgaris

Cited by 162 publications

References 36 publications

Inhibitory effect of Salicornia europaea on the marine alga Skeletonema costatum

Inhibitory effect of Salicornia europaea on the marine alga Skeletonema costatum

Allelopathy Inhibitory Effects of Hydrodictyon reticulatum on Chlorella pyrenoidosa under Co-Culture and Liquor-Cultured Conditions

Inhibition of tomato (Solanum lycopersicumL.) root growth by cyanamide is not always accompanied with enhancement of ROS production

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