Cellular Base of Mint Allelopathy: Menthone Affects Plant Microtubules

Sarheed, Mohammed; Rajabi, Fatemeh; Kunert, Maritta; Boland, Wilhelm; Wetters, Sascha; Miadowitz, Kai; Kaźmierczak, Andrzej; Sahi, Vaidurya Pratap; Nick, Peter

doi:10.3389/fpls.2020.546345

Cited by 28 publications

(38 citation statements)

References 67 publications

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“…FTIR studies of ZnO and AZO nanoparticles show broad absorption bands at 1620 cm −1 and 3440 cm −1 were ascribed to O-H bending vibration modes of water molecules absorbed onto the ZnO and AZO nanoparticles [48]. A freshly collected mint leave contains water and a mixture of plant oils, such as mentone, menthol, and limonene [8]. Quantitative analysis in literature show that Mint species also contain phenolic compounds, flavonoids, and rosmarinic acid and its derivatives [50].…”

Section: Sensor Array Responsementioning

confidence: 99%

“…The effects are often species specific. For instance, a comparative analysis of germination inhibition in combination with activity-guided fractionation revealed that menthone/isomenthone released by Korean Mint (Agastache rugosa) caused a swift and complete breakdown of microtubules in the target plant such that germination (requiring microtubules for cell division and cell expansion) is blocked, while closely related compounds, such as menthol, were ineffective [8]. This specificity of biological action may be valorized for the development of novel, environmentally compatible bioherbicides that specifically affect a certain type of weed without damaging the useful crop [9].…”

Section: Introductionmentioning

confidence: 99%

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Identification of Mint Scents Using a QCM Based E-Nose

et al. 2021

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Mints emit diverse scents that exert specific biological functions and are relevance for applications. The current work strives to develop electronic noses that can electronically discriminate the scents emitted by different species of Mint as alternative to conventional profiling by gas chromatography. Here, 12 different sensing materials including 4 different metal oxide nanoparticle dispersions (AZO, ZnO, SnO2, ITO), one Metal Organic Frame as Cu(BPDC), and 7 different polymer films, including PVA, PEDOT:PSS, PFO, SB, SW, SG, and PB were used for functionalizing of Quartz Crystal Microbalance (QCM) sensors. The purpose was to discriminate six economically relevant Mint species (Mentha x piperita, Mentha spicata, Mentha spicata ssp. crispa, Mentha longifolia, Agastache rugosa, and Nepeta cataria). The adsorption and desorption datasets obtained from each modified QCM sensor were processed by three different classification models, including Principal Component Analysis (PCA), Linear Discriminant Analysis (LDA), and k-Nearest Neighbor Analysis (k-NN). This allowed discriminating the different Mints with classification accuracies of 97.2% (PCA), 100% (LDA), and 99.9% (k-NN), respectively. Prediction accuracies with a repeating test measurement reached up to 90.6% for LDA, and 85.6% for k-NN. These data demonstrate that this electronic nose can discriminate different Mint scents in a reliable and efficient manner.

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Section: Sensor Array Responsementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Identification of Mint Scents Using a QCM Based E-Nose

et al. 2021

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“…A quantitative determination of the total amount of a particular VOC loaded into a MOF thin film can be carried out using a QCM. In the present case, the scent emitted from a plant consists of a large variety of different compounds, with their number typically exceeding 20 [36,37]. MOFs are highly porous with huge specific surfaces [35].…”

Section: Figurementioning

confidence: 99%

Sniff Species: SURMOF-Based Sensor Array Discriminates Aromatic Plants beyond the Genus Level

Okur

Zhang

et al. 2021

Chemosensors

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Lamiaceae belong to the species-richest family of flowering plants and harbor many species that are used as herbs or in medicinal applications such as basils or mints. The evolution of this group has been driven by chemical speciation, mainly volatile organic compounds (VOCs). The commercial use of these plants is characterized by adulteration and surrogation to a large extent. Authenticating and discerning this species is thus relevant for consumer safety but usually requires cumbersome analytics, such as gas chromatography, often coupled with mass spectroscopy. Here, we demonstrate that quartz-crystal microbalance (QCM)-based electronic noses provide a very cost-efficient alternative, allowing for fast, automated discrimination of scents emitted from the leaves of different plants. To explore the range of this strategy, we used leaf material from four genera of Lamiaceae along with lemongrass, which is similarly scented but from an unrelated outgroup. To differentiate the scents from different plants unambiguously, the output of the six different SURMOF/QCM sensors was analyzed using machine learning (ML) methods together with a thorough statistical analysis. The exposure and purging of data sets (four cycles) obtained from a QCM-based, low-cost homemade portable e-Nose were analyzed using a linear discriminant analysis (LDA) classification model. Prediction accuracy with repeated test measurements reached values of up to 0%. We show that it is possible not only to discern and identify plants at the genus level but also to discriminate closely related sister clades within a genus (basil), demonstrating that an e-Nose is a powerful device that can safeguard consumer safety against dangers posed by globalized trade.

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“…Botaniker des Karlsruher Instituts für Technologie (KIT) haben nun im Öl verschiedener Minzpflanzen nach weiteren, die Mikrotubuli hemmenden Verbindungen gesucht [2]. Dazu testeten sie zuerst, ob die Öle die Keimung – also das Wachstum – von Kressesamen beeinflussten und analysierten gleichzeitig mit Hilfe von Gaschromatografie die Zusammensetzung der Öle.…”

Section: Menthon Als Aktive Komponenteunclassified

Ölige Kampfmittel

Tetsch¹

2021

Chemie in nserer Zeit

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Cellular Base of Mint Allelopathy: Menthone Affects Plant Microtubules

Cited by 28 publications

References 67 publications

Identification of Mint Scents Using a QCM Based E-Nose

Identification of Mint Scents Using a QCM Based E-Nose

Sniff Species: SURMOF-Based Sensor Array Discriminates Aromatic Plants beyond the Genus Level

Ölige Kampfmittel

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