Review
Environmental Sciences
Weizhen Yang, Jing Cao, Yan Wu, Fanlong Kong, Lingyu Li
Summary: Biogenic volatile organic compounds (BVOCs), especially terpenoids, play a significant role in ozone and secondary organic aerosol formation in the atmosphere, as well as global climate change. Understanding their emission mechanisms and measurements is crucial for evaluating their impact on atmospheric chemistry and climate change. Further research is needed to quantify the effects of environmental factors on terpenoid emissions, especially in China where accurate local measurements are essential for improving emission inventories.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Food Science & Technology
Balwinder Singh, Jatinder Pal Singh, Amritpal Kaur, Madhav P. Yadav
Summary: Citrus peel, a by-product of citrus fruit processing, contains a significant amount of essential oil, which can be effectively extracted and utilized as a source of functional components for the development of health-promoting food products. The extracted citrus peel essential oil exhibits biological activities such as antioxidant, anti-inflammatory, antimicrobial, and anticancer effects, making it a valuable resource for the food industry.
FOOD RESEARCH INTERNATIONAL
(2021)
Article
Chemistry, Applied
Junfang Wang, Joshua VanderWeide, Yifan Yan, Ricco Tindjau, Joana Pico, Laurent Deluc, Wesley F. Zandberg, Simone D. Castellarin
Summary: Terpenes are important for grape and wine flavor, and jasmonates can increase terpene concentration and gene expression in grapes, without affecting the concentration of other ripening-related metabolites.
Article
Biotechnology & Applied Microbiology
Xiaomin Deng, Bin Shi, Ziling Ye, Man Huang, Rong Chen, Yousheng Cai, Zhaolin Kuang, Xiang Sun, Guangkai Bian, Zixin Deng, Tiangang Liu
Summary: This study systematically screened and identified two sesquiterpenoid biosynthesis genes from Holy basil in India, successfully recognizing (-)-eremophilene and achieving high-yield bioproduction through a yeast system, while also confirming its insect-repelling effect.
METABOLIC ENGINEERING
(2022)
Article
Plant Sciences
Zhengyi Ling, Jingrui Li, Yanmei Dong, Wenying Zhang, Hongtong Bai, Shu Li, Su Wang, Hui Li, Lei Shi
Summary: Plants, such as Lavandula angustifolia, produce volatile compounds during early development to deter herbivore attacks. The highly expressed genes LaTPS7, LaTPS8, and LaCYP71D582 are responsible for the generation of these compounds. The volatile compounds play a crucial role in plant defense mechanisms and have both attractant and repellent effects on aphids and ladybugs.
Article
Biochemistry & Molecular Biology
Huijuan Li, Xinghui Song, Huiru Li, Lifei Zhu, Shengbo Cao, Jifeng Liu
Summary: Two undescribed ether derivatives of sesquiterpenes and one new monoterpene glycoside were isolated from the stems and leaves of I. simonsii. They exhibited antibacterial activity, with compounds 6 and 7 showing good activity against S. aureus and MRSA, and resistance development was not observed.
Article
Plant Sciences
Erik W. M. Pereira, Luana Heimfarth, Tiffany K. B. Santos, Fabiolla R. S. T. Passos, Pollyana R. Siqueira-Lima, Luciana Scotti, Marcus T. J. Scotti, Jackson Roberto Guedes da Silva Almeida, Adriana R. Campos, Henrique D. M. Coutinho, Patrick Martin, Lucindo J. Quintans-Junior, Jullyana S. S. Quintans
Summary: This study evaluated the effects of the terpene d-limonene in the treatment of chronic orofacial pain. The results showed that it has anti-nociceptive and anti-inflammatory effects. In addition, complexation with hydroxypropyl-beta-cyclodextrin further enhanced its therapeutic efficacy.
Article
Plant Sciences
Minliang Bin, Xinxiang Peng, Ganjun Yi, Xinxin Zhang
Summary: This study identified a gene, CsTPS21, in citrus plants, which encodes a monoterpene synthase that synthesizes β-ocimene as a repellent against Asian citrus psyllid. Overexpression of CsTPS21 increased the synthesis of β-ocimene in citrus and enhanced resistance against insect infestation. These findings provide a basis for using β-ocimene and CsTPS21 to manage Huanglongbing caused by Asian citrus psyllid infestation.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2023)
Article
Ecology
Hannele Hakola, Ditte Taipale, Arnaud Praplan, Simon Schallhart, Steven Thomas, Toni Tykka, Aku Helin, Jaana Back, Heidi Hellen
Summary: The emission rates of biogenic volatile organic compounds (BVOCs) from Norway spruces vary greatly. This study combined published data from boreal forests with new, unpublished data from Southern and Northern Finland. The study found higher sesquiterpene (SQT) emissions from Norway spruces than previously measured, and SQTs had higher emission potentials than isoprene or monoterpenes (MTs) on average. Older trees (>80 years) emitted about ten times more isoprene and MTs than younger trees (<80 years), but there was no clear difference in SQT emissions. SQT emissions may be more related to stress effects.
FRONTIERS IN FORESTS AND GLOBAL CHANGE
(2023)
Article
Pharmacology & Pharmacy
Rayane Cristine Santos da Silva, Isabel Renata de Souza Arruda, Carolina Barbosa Malafaia, Marcilio Martins de Moraes, Thaissa Silva Beck, Claudio Augusto Gomes da Camara, Nicacio Henrique da Silva, Marcia Vanusa da Silva, Maria Tereza dos Santos Correia, Clarissa Piccinin Frizzo, Giovanna Machado
Summary: This study found that the essential oil of Tetragastris catuaba leaves, as well as its nanoemulsion form, can significantly reduce biofilm formation and planktonic growth of Enterococcus faecalis and Listeria monocytogenes, suggesting their potential applications in preventing and controlling bacterial biofilm contamination.
JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY
(2022)
Article
Multidisciplinary Sciences
Verena Bernadette Pannusch, Lukas Viebahn, Heiko Briesen, Mirjana Minceva
Summary: Supercritical fluid extraction from hops extracts essential oil that can be used for the flavoring of beer. This study analyzes and models the extraction kinetics of seven oil components under different pressure and temperature conditions. The results show that the internal-mass-transfer-control (IMTC) model effectively describes the extraction kinetics and can be used for predicting extract composition at different pressures and temperatures.
Article
Biochemistry & Molecular Biology
Nafissa Dehimeche, Bruno Buatois, Nadia Bertin, Michael Staudt
Summary: The study showed that there is high genetic variability in the constitutive volatile organic compound emissions from tomato plants under stress-free conditions, with significant differences in emission composition and quantity among genotypes. Foliage emissions were found to be low and partly light-dependent, while soil emissions were characterized by terpenes, oxygenated alkanes, and alkenes and phenolic compounds. The correlation analyses indicated that certain VOCs emitted from foliage or soil are jointly regulated, suggesting interconnected sources above and belowground.
Article
Ecology
Dian Wen, Yaqin Guan, Li Jiang, Sumei Chen, Fadi Chen, Bin Liu, Ulo Niinemets, Yifan Jiang
Summary: Plants are often exposed to heat stress due to global warming, which leads to physiological responses including stress volatile elicitation. However, the effects of heat stress-induced volatile cues on herbivore behavior are poorly understood. This study investigated the interactions between the behavior of Spodoptera litura (tobacco cutworm) and Chrysanthemum nankingense under heat stress-induced plant physiological changes.
ARTHROPOD-PLANT INTERACTIONS
(2023)
Article
Biochemistry & Molecular Biology
Qing Ma, Rui Ma, Ping Su, Baolong Jin, Juan Guo, Jinfu Tang, Tong Chen, Wen Zeng, Changjiangsheng Lai, Fengqing Ling, Yanfei Yao, Guanghong Cui, Luqi Huang
Summary: This study reports the RNA-sequencing results of a borneol-type plant and the functional characterization of six additional full-length candidate TPS genes in Cinnamomum burmannii. The study clarifies the biosynthesis pathways of monoterpenoids and sesquiterpenoids in the leaf essential oil of C. burmannii, shedding light on terpene biosynthesis in Cinnamomum.
Article
Plant Sciences
Siquan Ling, Syed Arif Hussain Rizvi, Ting Xiong, Jiali Liu, Yanping Gu, Siwei Wang, Xinnian Zeng
Summary: Intercropping citrus with guava can reduce the incidence of pests and diseases, and the volatile organic compounds released by guava plants may play a crucial role in plant-plant communication, inducing defense responses in citrus plants and attracting parasitic wasps for enhanced indirect defense.
FRONTIERS IN PLANT SCIENCE
(2022)
Review
Plant Sciences
Berta Alquezar, Lourdes Carmona, Stefania Bennici, Marcelo P. Miranda, Renato B. Bassanezi, Leandro Pena
Summary: Huanglongbing (HLB), previously known as greening, is a bacterial disease that has become a major threat to citrus production worldwide. Managing HLB involves prevention and control strategies, with the control of psyllid populations being the most effective way to prevent the spread of the disease. This review summarizes the best cultural actions and ongoing research in HLB management.
Article
Virology
Vicente Pallas, Carmen Hernandez, Jose F. Marcos, Jose A. Daros, Silvia Ambros, Beatriz Navarro, Jose A. Navarro, Marcos de la Pena, Selma Gago-Zachert, Maria E. Gas, Alberto Carbonell, Carmelo Lopez, Angel E. Martinez de Alba, Francesco Di Serio, Pedro Moreno
Summary: Ricardo Flores made significant contributions to the study of viroids, identifying new members and expanding their families, researching the replication mechanism of viroids and their interactions with hosts. His research findings provide important references for plant disease prevention and biological evolution research.
Article
Agronomy
Laudecir Lemos Raiol-Junior, Everton Vieira de Carvalho, Alecio Souza Moreira, Joao Paulo Rodrigues Marques, Eduardo Sanches Stuchi, Leandro Pena, Eduardo Augusto Girardi
Summary: Citrus relatives provide valuable traits for citrus breeding, but graft compatibility within the Aurantioideae subfamily has been poorly investigated. This study assessed the biometric traits and anatomy of graft unions in 86 scion/rootstock combinations, leading to the classification of Aurantioideae genotypes based on their graft compatibility. Promising combinations with potential resistance to Huanglongbing were identified.
Article
Virology
Marcos de la Pena, Selma Gago-Zachert
Summary: Circular RNAs (circRNAs) are circular genomes that were first discovered in plant viruses and human hepatitis viruses in the 1970s. These circRNAs have self-cleaving RNA motifs or ribozymes and can replicate through a rolling-circle replication mechanism. Scientists have found an evolutionary relationship between plant viroids and human deltaviruses, and their research has contributed to multiple hypotheses about the origin of circRNAs.
Article
Virology
Pedro Moreno, Carmelo Lopez, Susana Ruiz-Ruiz, Leandro Pena, Jose Guerri
Summary: This article reviews the main achievements of Professor Ricardo Flores in citrus tristeza virus (CTV) research, including virus purification, genetic comparisons, genetic engineering, analysis of genetic variation, studies on gene functions, and development of transgenic citrus resistant to the virus. These achievements have significantly contributed to a deeper understanding of CTV biology and the potential measures for disease control.
Article
Plant Sciences
Berta Alquezar, Stefania Bennici, Lourdes Carmona, Alessandra Gentile, Leandro Pena
Summary: In this study, a combination of mutated acetolactate synthase (ALS) gene and herbicide selection agent imazapyr (IMZ) was used to efficiently recover transgenic citrus plants. The approach allowed the development of cisgenic regenerants and the generation of edited, non-transgenic plants with IMZ resistance. It was found that transient expression of the ALS gene induced mutations and resulted in IMZ-resistant shoots at a frequency of 11.7%.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Lourdes Carmona, Maria Sulli, Gianfranco Diretto, Berta Alquezar, Monica Alves, Leandro Pena
Summary: Studies have shown that postharvest cold storage enhances the accumulation of anthocyanins and other flavonoids in blood oranges, making them more appealing for antioxidant-rich diets.
Article
Agronomy
Wellington Ivo Eduardo, Marcelo Pedreira Miranda, Haroldo Xavier Linhares Volpe, Rafael Brandao Garcia, Eduardo Augusto Girardi, Berta Alquezar, Ana Espinosa Ruiz, Leandro Pena
Summary: The study found that Eremocitrus glauca and M. warburgiana genotypes exhibit greater resistance to D. citri, with higher trichome density and unique volatile emissions potentially serving as mechanisms of resistance.
PEST MANAGEMENT SCIENCE
(2022)
Editorial Material
Microbiology
Xuefeng Wang, Kranthi Mandadi, Leandro Pena, Mengji Cao, Changyong Zhou
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Entomology
Wellington Ivo Eduardo, Ana Caroline Silva, Haroldo Xavier Linhares Volpe, Berta Alquezar, Leandro Pena, Marcelo Pedreira Miranda
Summary: This study assessed the use of a push-pull and kill strategy, using a lethal trap crop and the application of processed kaolin, to reduce infestation and dispersal of Diaphorina citri in citrus orchards. The results showed that this strategy significantly reduced the number of D. citri adults on citrus trees and delayed its dispersal within the orchard.
ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA
(2023)
Article
Food Science & Technology
Iolanda Raquel Ferreira Paulo, Ricardo Basilio de Oliveira Caland, Cesar Orlando Munoz Cadavid, Giovanna Martins Melo, Liliane Soares De Castro Bezerra, Elsa Pons, Leandro Pena, Riva de Paula Oliveira
Summary: A new orange developed through metabolic engineering strategy showed significantly higher beta-carotene content compared to conventional oranges, leading to greater antioxidant effects and protection against oxidative stress.
FOOD CHEMISTRY: MOLECULAR SCIENCES
(2022)
