Superior Plants with Significant Amounts of Cyanide and Their Toxicological Implications

Llerena, Gonzalo Aranguri; Siché, Raúl

doi:10.7831/ras.8.0_354

Cited by 4 publications

(1 citation statement)

References 47 publications

(83 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Cyanides occur not only from cyanide containing industrial waste, air pollution, chimneys of power plants, or vehicle exhaust, but they are also formed during metabolic processes of bacteria, fungi, and algae. Cyanides can release during the ingestion of some food containing glycosides (such as cassava root, apricot seeds, and bitter almonds) [2,3]. Cyanide exposure also occurs relatively frequently in patients who inhale the smoke from industrial or residential fires [4].…”

Section: Introductionmentioning

confidence: 99%

Cyanide Anion Determination Based on Nucleophilic Addition to 6-[(E)-(4-Nitrophenyl)diazenyl]-1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] Derivatives

et al. 2022

View full text Add to dashboard Cite

This work provides a novel approach for the instant detection of CN− anions based on chromogenic 6-[(E)-(4-nitrophenyl)diazenyl]-1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] derivatives. New colorimetric detectors were synthesized and characterized. These compounds exhibited a substantial color change from orange to magenta and blue when treated with cyanide ions in a CH3CN solution buffered with sodium phosphate and demonstrated high selectivity to CN− anions. Common anions were tested, and they did not interfere with cyanide detection, except for carbonates and hydrosulfites. The simple preparation of a molecular sensor and the easily noticeable color change makes this a practical system for the monitoring of CN− ions. This color change is explained by nucleophilic substitution of the pyrane ring oxygen atom at the indoline C-2 atom by the cyanide anion. This generates the appearance of intensively colored 4-(4-nitrophenylazo)phenolate chromophore and allows for determining very low levels of CN− anion.

show abstract

Section: Introductionmentioning

confidence: 99%

Cyanide Anion Determination Based on Nucleophilic Addition to 6-[(E)-(4-Nitrophenyl)diazenyl]-1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] Derivatives

et al. 2022

View full text Add to dashboard Cite

show abstract

Hormetic action of cyanide: plant gasotransmitter and poison

Krasuska,

Ciacka,

Staszek

et al. 2023

Phytochem Rev

View full text Add to dashboard Cite

Hydrogen cyanide (HCN) occurs in living organisms and in the environment. This is a widely known poison but is also considered as a gasotransmitter. For most higher plants, microorganisms and animals HCN is toxic, especially at elevated concentrations. However, plants’ sensitivity to this compound is lower than animals’ due to the activity of an alternative oxidase in the mitochondrial respiration chain. All higher plants synthesize HCN as a co-product during the final step of ethylene biosynthesis, whilst some plant species release it from cyanogenic compounds, accumulated for diverse physiological purposes. This molecule is used as a toxic bomb against herbivores, as a source of nitrogen in N-deficient plants, or as a regulator of seed dormancy state. The toxicity of HCN is mainly due to the inhibition of the activity of several metalloenzymes: iron-containing enzymes, molybdoenzymes and enzymes that contain zinc or copper. HCN impacts cellular metabolism by modulation of the reactive oxygen species and reactive nitrogen species levels, and via modifications of proteins (S-cyanylation, oxidation). The aim of this work is to describe the dual (toxic and signalling) mode of cyanide action in plants at a cellular level.

show abstract

Ultrafast sensitive colorimetric detection of cyanide based on dissolving AgI on Au-AgI heterodimeric nanoparticles via UV–vis spectroscopy and single nanoparticle imaging

Cao,

Ouyang,

et al. 2024

Sensors and Actuators B: Chemical

View full text Add to dashboard Cite

Superior Plants with Significant Amounts of Cyanide and Their Toxicological Implications

Cited by 4 publications

References 47 publications

Cyanide Anion Determination Based on Nucleophilic Addition to 6-[(E)-(4-Nitrophenyl)diazenyl]-1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] Derivatives

Cyanide Anion Determination Based on Nucleophilic Addition to 6-[(E)-(4-Nitrophenyl)diazenyl]-1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] Derivatives

Hormetic action of cyanide: plant gasotransmitter and poison

Ultrafast sensitive colorimetric detection of cyanide based on dissolving AgI on Au-AgI heterodimeric nanoparticles via UV–vis spectroscopy and single nanoparticle imaging

Contact Info

Product

Resources

About