Chemical Composition and Major Odor-Active Compounds of Essential Oil from PINELLIA TUBER (Dried Rhizome of Pinellia ternata) as Crude Drug

Iwasa, Megumi; Iwasaki, Toshiki; Ono, Toshirou; Miyazawa, Mitsuo

doi:10.5650/jos.ess13092

Cited by 22 publications

(10 citation statements)

References 28 publications

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“…This finding is in line with the work of others that conclude HMGR-OE improves the content of sesquiterpenes and diterpenes in plants (Tholl, 2006;Dai et al, 2011;Kim et al, 2014). These compounds have been previously reported from P. ternata plant (Wang et al, 1995;Fu, 2005;Iwasa et al, 2014). Two non-terpenoid compounds that were identified as desulphosinigrin and 7-hexadecenoic acid methyl ester (Zhang et al, 2002;Wang et al, 2008) were also enhanced in transgenic genotypes.…”

Section: Discussionsupporting

confidence: 89%

“…P. ternata is one of the most popular herbal medicines that used for the treatment of insomnia, tumor, eclampsia, obesity and depression for hundreds of years in Chinese Traditional Medicine (Iwasa et al, 2014). Its tubers are the main source of bioactive phytochemicals that show antitussive, antioxidant, antibacterial, anti-inflammatory and antiemetic actions (Hongying et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…Its tubers are the main source of bioactive phytochemicals that show antitussive, antioxidant, antibacterial, anti-inflammatory and antiemetic actions (Hongying et al, 2015). Several specialized metabolites have been identified in this species including terpenoids, lignanoids, alkaloids, and phenylpropanoids (Wu et al, 2011;Iwasa et al, 2014). Some of these accumulate at low levels (Zuo et al, 2012;Lee et al, 2016) and the application of transgenic technologies can offer solutions to generate Pinellia cultivar(s) with improved chemical, agricultural and/or commercial traits.…”

Section: Introductionmentioning

confidence: 99%

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Breaking the Summer Dormancy of Pinellia ternata by Introducing a Heat Tolerance Receptor-Like Kinase ERECTA Gene

et al. 2020

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Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Breaking the Summer Dormancy of Pinellia ternata by Introducing a Heat Tolerance Receptor-Like Kinase ERECTA Gene

et al. 2020

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“…plants (13,14). In contrast, the volatile compound 3 has only been reported from the marine cnidarian Dasystenella acanthina (Wright & Studer, 1889) as the (+)-enantiomer (7).…”

mentioning

confidence: 99%

Volatile secondary metabolites as aposematic olfactory signals and defensive weapons in aquatic environments

Giordano

Carbone

Ciavatta

et al. 2017

Proc. Natl. Acad. Sci. U.S.A.

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Olfaction is considered a distance sense; hence, aquatic olfaction is thought to be mediated only by molecules dissolved in water. Here, we challenge this view by showing that shrimp and fish can recognize the presence of hydrophobic olfactory cues by a "tactile" form of chemoreception. We found that odiferous furanosesquiterpenes protect both the Mediterranean octocoral Maasella edwardsi and its specialist predator, the nudibranch gastropod Tritonia striata, from potential predators. Food treated with the terpenes elicited avoidance responses in the cooccurring shrimp Palaemon elegans. Rejection was also induced in the shrimp by the memory recall of postingestive aversive effects (vomiting), evoked by repeatedly touching the food with chemosensory mouthparts. Consistent with their emetic properties once ingested, the compounds were highly toxic to brine shrimp. Further experiments on the zebrafish showed that this vertebrate aquatic model also avoids food treated with one of the terpenes, after having experienced gastrointestinal malaise. The fish refused the food after repeatedly touching it with their mouths. The compounds studied thus act simultaneously as (i) toxins, (ii) avoidance-learning inducers, and (iii) aposematic odorant cues. Although they produce a characteristic smell when exposed to air, the compounds are detected by direct contact with the emitter in aquatic environments and are perceived at high doses that are not compatible with their transport in water. The mouthparts of both the shrimp and the fish have thus been shown to act as "aquatic noses," supporting a substantial revision of the current definition of the chemical senses based upon spatial criteria. T raditionally, the sense of smell has been regarded as a distance sense (like vision), whereas the sense of taste has been treated as a contact sense (like touch). This classification of the chemical senses (olfaction and gustation) based on their spatial range persists in contemporary literature. Accordingly, biomolecules smaller than ∼300 Da, which can be transported through air, and which finally bind to odorant receptors expressed in olfactory neurons, are generally considered odorant molecules. Conversely, the molecules sensed by taste have to be in solution and in contact with the receptor (1). However, the claim that "only olfaction can provide information on the identity of the water mass encountered" by marine organisms (2) implies that water-soluble compounds, which are typically "tasted" by the tongues of terrestrial animals, act as olfactory cues in aquatic environments. Consequently, it may be asked how typical odorant molecules such as small terpenes from plants and marine sponges that combine high volatility in air with insolubility in water can produce olfactory sensations in marine organisms, thereby giving protection from predators and cues to finding food and mates.

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“…These plants have been extensively used for many years as culinary agents and as an important ingredient in traditional medicines 27 , 28 . However, most studies have focused on the antimicrobial and clinical effects of A. sativum and P. ternata extracts or compounds 29 – 31 , while ignoring their potential functional antimicrobial genes or proteins. Keeping the previous studies in view, it is necessary to explore A. sativum and P. ternata genes for antimicrobial potential.…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial genes from Allium sativum and Pinellia ternata revealed by a Bacillus subtilis expression system

Kong

Yang

Abbas

et al. 2018

Sci Rep

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Antimicrobial genes are found in all classes of life. To efficiently isolate these genes, we used Bacillus subtilis and Escherichia coli as target indicator bacteria and transformed them with cDNA libraries. Among thousands of expressed proteins, candidate proteins played antimicrobial roles from the inside of the indicator bacteria (internal effect), contributing to the sensitivity (much more sensitivity than the external effect from antimicrobial proteins working from outside of the cells) and the high throughput ability of screening. We found that B. subtilis is more efficient and reliable than E. coli. Using the B. subtilis expression system, we identified 19 novel, broad-spectrum antimicrobial genes. Proteins expressed by these genes were extracted and tested, exhibiting strong external antibacterial, antifungal and nematicidal activities. Furthermore, these newly isolated proteins could control plant diseases. Application of these proteins secreted by engineered B. subtilis in soil could inhibit the growth of pathogenic bacteria. These proteins are thermally stable and suitable for clinical medicine, as they exhibited no haemolytic activity. Based on our findings, we speculated that plant, animal and human pathogenic bacteria, fungi or even cancer cells might be taken as the indicator target cells for screening specific resistance genes.

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Chemical Composition and Major Odor-Active Compounds of Essential Oil from PINELLIA TUBER (Dried Rhizome of Pinellia ternata) as Crude Drug

Cited by 22 publications

References 28 publications

Breaking the Summer Dormancy of Pinellia ternata by Introducing a Heat Tolerance Receptor-Like Kinase ERECTA Gene

Breaking the Summer Dormancy of Pinellia ternata by Introducing a Heat Tolerance Receptor-Like Kinase ERECTA Gene

Volatile secondary metabolites as aposematic olfactory signals and defensive weapons in aquatic environments

Antimicrobial genes from Allium sativum and Pinellia ternata revealed by a Bacillus subtilis expression system

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