Biochemistry of Terpenes and Recent Advances in Plant Protection

Ninkuu, Vincent; Lin, Zhenyang; Yan, Jianpei; Fu, Zhenchao; Yang, Tingting; Zeng, Hongmei

doi:10.3390/ijms22115710

Cited by 144 publications

(100 citation statements)

References 149 publications

(144 reference statements)

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“…Terpenoids show significant diversity and range of functions in plants (surveyed by Pichersky and Raguso, 2018). They originate from two metabolic routes, mevalonate (MVA) and 2C ‐methyl‐ d ‐erythritol‐4‐phosphate (MEP) pathways (recently reviewed by Ninkuu et al, 2021). Terpenoids are typically built from 5C blocks of isoprene, and thus can be subdivided according to number of units incorporated in each structure, such as: C10‐monoterpenes; C15‐sesquiterpenes; C20‐diterpenes; C30‐triterpenes; and C40‐tetraterpenes.…”

Section: Classification Of Plant Defense Chemicals With Major But Not...mentioning

confidence: 99%

Integrated view of plant metabolic defense with particular focus on chewing herbivores

Wari

Aboshi

Shinya

et al. 2022

JIPB

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Success of plants largely depends on their ability to defend against herbivores. Since emergence of the first voracious consumers, plants maintained adapting their structures and chemistry to escape from extinction. The constant pressure was further accelerated by adaptation of herbivores to plant defenses, which all together sparked the rise of a chemical empire comprised of thousands of specialized metabolites currently found in plants.

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Section: Classification Of Plant Defense Chemicals With Major But Not...mentioning

confidence: 99%

Integrated view of plant metabolic defense with particular focus on chewing herbivores

Wari

Aboshi

Shinya

et al. 2022

JIPB

View full text Add to dashboard Cite

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“…Terpenoid biosynthesis gene clusters usually consist of several genes, encoding the terpene synthase for the skeleton [34] and oxidoreductases for the hydroxylation, aldehydeylation, carboxylation and dehydrogenation [3,4,35]. In the four reported ophiobolin gene clusters, terpenoid synthase, P450 oxidase and flavin-dependent oxidase jointly completed the synthesis of ophiobolins, while the distribution of these genes was irregular.…”

Section: Discussionmentioning

confidence: 99%

The Biosynthesis and Transport of Ophiobolins in Aspergillus ustus 094102

Yan

Pang

et al. 2022

IJMS

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Ophiobolins are a group of sesterterpenoids with a 5-8-5 tricyclic skeleton. They exhibit a significant cytotoxicity and present potential medicinal prospects. However, the biosynthesis and transport mechanisms of these valuable compounds have not been fully resolved. Herein, based on a transcriptome analysis, gene inactivation, heterologous expression and feeding experiments, we fully explain the biosynthesis pathway of ophiobolin K in Aspergillus ustus 094102, especially proved to be an unclustered oxidase OblCAu that catalyzes dehydrogenation at the site of C16 and C17 of both ophiobolin F and ophiobolin C. We also find that the intermediate ophiobolin C and final product ophiobolin K could be transported into a space between the cell wall and membrane by OblDAu to avoid the inhibiting of cell growth, which is proved by a fluorescence observation of the subcellular localization and cytotoxicity tests. This study completely resolves the biosynthesis mechanism of ophiobolins in strain A. ustus 094102. At the same time, it is revealed that the burden of strain growth caused by the excessive accumulation and toxicity of secondary metabolites is closely related to compartmentalized biosynthesis.

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“…Terpenes are the most abundant and diverse bioactive compounds of plants in nature ( Cox-Georgian et al, 2019 ). Terpenes are widely distributed in higher plants such as citrus, conifers, and eucalyptus and are detected in their leaves, flowers, stems, and roots ( Ninkuu et al, 2021 ). According to Bueno et al (2020) and Fischedick et al (2010) , terpene profile is influenced by a variety of factors such as genotypes, age of inflorescences, and environmental, production, and harvesting conditions.…”

Section: Discussionmentioning

confidence: 99%

Storage Stability of Nutritional Qualities, Enzyme Activities, and Volatile Compounds of “Hangjiao No. 2” Chili Pepper Treated With Different Concentrations of 1-Methyl Cyclopropene

et al. 2022

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This study aimed to determine the effects of different concentrations of 1-methyl cyclopropene (1-MCP) on the nutritional quality, antioxidant enzyme activities, and volatile compounds of “Hangjiao No.2” chili pepper during 12 days of storage at ambient temperature. The chili fruit were randomly selected and divided into four groups corresponding to the four treatments, thus, 0.5, 1.0, and 1.5 μl L–1 1-MCP and a control. The analysis of the nutritional value, enzyme activities, and volatile compounds were determined at 3 days interval. The results showed that the malondialdehyde (MDA) content was lower in the fruit treated with 1-MCP compared to the control. The treatment with 1.5 μl L–1 and the control showed the lowest superoxide dismutase (SOD) activity compared to the other treatments. Peroxidase (POD) and Catalase (CAT) were highest in the fruit treated with 0.5 μl L–1 compared to the control and treatment with 1.0 μl L–1. The 1.5 μl L–1 treatment delayed the decline in vitamin C and protein content compared to the control. Nitrate levels increased 1.34-fold at 0.5 μl L–1 and 2.01-fold in the control. Chlorophyll content degradation was delayed at 1.0 μl L–1 compared to the control. A total of 88 volatile compounds, including terpenes, aldehydes, alkanes, esters, alcohols, acids, phenolic derivatives, ketones, and other aromatic compounds, were detected in “Hangjiao No.2” pepper during the 12-day storage period and treatment concentrations. The production of volatile terpenes was higher in the control than in the 1-MCP treatments, while the 0.5 μl L–1 1-MCP treatment generally suppressed the production of volatile compounds during storage. Overall, the production of volatile compounds after treatment was higher in the “Hangjiao No.2” chili fruit treated with 1.0 μl L–1 1-MCP than in the other treatments throughout the storage period. The results indicate that 1-MCP treatment was more effective in maintaining fruit quality, enhancing the activities of SOD, POD, and CAT, retarding the accumulation of MDA and restoring volatile aromas, with 1.0 μl L–1 having the best preservative effect on “Hangjiao No.2” chili fruit during storage, which could be useful for future marketing and processing.

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Biochemistry of Terpenes and Recent Advances in Plant Protection

Cited by 144 publications

References 149 publications

Integrated view of plant metabolic defense with particular focus on chewing herbivores

Integrated view of plant metabolic defense with particular focus on chewing herbivores

The Biosynthesis and Transport of Ophiobolins in Aspergillus ustus 094102

Storage Stability of Nutritional Qualities, Enzyme Activities, and Volatile Compounds of “Hangjiao No. 2” Chili Pepper Treated With Different Concentrations of 1-Methyl Cyclopropene

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