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Dang Z, Xu Y, Zhang X, Mi W, Chi Y, Tian Y, Liu Y, Ren W. Chromosome-level genome assembly provides insights into the genome evolution and functional importance of the phenylpropanoid-flavonoid pathway in Thymus mongolicus. BMC Genomics 2024; 25:291. [PMID: 38504151 PMCID: PMC10949689 DOI: 10.1186/s12864-024-10202-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Accepted: 03/08/2024] [Indexed: 03/21/2024] Open
Abstract
BACKGROUND Thymus mongolicus (family Lamiaceae) is a Thyme subshrub with strong aroma and remarkable environmental adaptability. Limited genomic information limits the use of this plant. RESULTS Chromosome-level 605.2 Mb genome of T. mongolicus was generated, with 96.28% anchored to 12 pseudochromosomes. The repetitive sequences were dominant, accounting for 70.98%, and 32,593 protein-coding genes were predicted. Synteny analysis revealed that Lamiaceae species generally underwent two rounds of whole genome duplication; moreover, species-specific genome duplication was identified. A recent LTR retrotransposon burst and tandem duplication might play important roles in the formation of the Thymus genome. Using comparative genomic analysis, phylogenetic tree of seven Lamiaceae species was constructed, which revealed that Thyme plants evolved recently in the family. Under the phylogenetic framework, we performed functional enrichment analysis of the genes on nodes that contained the most gene duplication events (> 50% support) and of relevant significant expanded gene families. These genes were highly associated with environmental adaptation and biosynthesis of secondary metabolites. Combined transcriptome and metabolome analyses revealed that Peroxidases, Hydroxycinnamoyl-CoA shikimate/quinate hydroxycinnamoyl transferases, and 4-coumarate-CoA ligases genes were the essential regulators of the phenylpropanoid-flavonoid pathway. Their catalytic products (e.g., apigenin, naringenin chalcone, and several apigenin-related compounds) might be responsible for the environmental tolerance and aromatic properties of T. mongolicus. CONCLUSION This study enhanced the understanding of the genomic evolution of T. mongolicus, enabling further exploration of its unique traits and applications, and contributed to the understanding of Lamiaceae genomics and evolutionary biology.
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Affiliation(s)
- Zhenhua Dang
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, 010070, China
| | - Ying Xu
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, 010070, China
| | - Xin Zhang
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, 010070, China
| | - Wentao Mi
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, 010070, China
| | - Yuan Chi
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, 010070, China
| | - Yunyun Tian
- Ministry of Education Key Laboratory of Herbage & Endemic Crop Biotechnology, School of Life Sciences, Inner Mongolia University, Hohhot, 010070, China
| | - Yaling Liu
- Key Laboratory of Forage Breeding and Seed Production of Inner Mongolia, Inner Mongolia M-Grass Ecology and Environment (Group) Co., National Center of Pratacultural Technology Innovation (under preparation), Ltd, Hohhot, 010060, China
| | - Weibo Ren
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, 010070, China.
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Walters KJ, Tarr S, Lopez RG. Modeling purple basil, sage, spearmint, and sweet basil responses to daily light integral and mean daily temperature. PLoS One 2023; 18:e0294905. [PMID: 38032962 PMCID: PMC10688745 DOI: 10.1371/journal.pone.0294905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/09/2023] [Indexed: 12/02/2023] Open
Abstract
Mean daily temperature (MDT) and daily light integral (DLI) can interact to influence growth and development of plants. Our objectives were to determine 1) the extent DLI and MDT influence growth and development of purple basil 'Dark Opal' (Ocimum basilicum), sage 'Extrakta' (Salvia officinalis), spearmint 'Spanish' (Mentha spicata), and sweet basil 'Nufar' (Ocimum basilicum) and 2) the influence on purple basil color. Young plants were transplanted into hydroponic systems in five greenhouse compartments with MDT set points of 23, 26, 29, 32, or 35°C and DLIs from 5 to 19 mol·m‒2·d‒1, respectively. At harvest, growth, development, and leaf color was measured. Branch number of all genera increased as MDT increased from ~23 to 35°C. Sweet basil branch number increased as DLI increased from 5.5 to 13.2 mol·m‒2·d‒1, but the effect of DLI was attenuated as MDT decreased. In contrast, increasing DLI from ~5-6 to ~18-19 mol·m‒2·d‒1 increased sage and spearmint branch number more when MDT was lower (~23°C) compared to ~35°C, while branch number of purple basil was not influenced by DLI. The optimal MDT (MDTopt) for sage and spearmint fresh mass decreased from 27.5 to 23.5°C and from 30.4 to 27.8°C, respectively, as DLI increased from 6 to 18 mol·m‒2·d‒1, while sweet basil fresh mass MDTopt increased from 32.6 to 35.5°C as DLI increased from 6 to 11 mol·m‒2·d‒1. Purple basil was greener [hue angle (h°) = 99° to 138°] when MDT was ~35°C regardless of DLI, but when MDT was lower (~25°C), basil was more purple (h° = 335°) at a DLI of 18.7 compared to 5.0 mol·m‒2·d‒1 (h° = 98°). Taken together, MDT and DLI can have a large impact on plant growth, development, and color and can be manipulated to achieve desired characteristics.
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Affiliation(s)
- Kellie J. Walters
- Plant Sciences Department, University of Tennessee, Knoxville, TN, United States of America
| | - Sean Tarr
- Department of Horticulture, Michigan State University, East Lansing, MI, United States of America
| | - Roberto G. Lopez
- Department of Horticulture, Michigan State University, East Lansing, MI, United States of America
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Grimaldi-Olivas JC, Morales-Merida BE, Cruz-Mendívil A, Villicaña C, Heredia JB, López-Meyer M, León-Chan R, Lightbourn-Rojas LA, León-Félix J. Transcriptomic analysis of bell pepper (Capsicum annuum L.) revealing key mechanisms in response to low temperature stress. Mol Biol Rep 2023; 50:8431-8444. [PMID: 37624559 DOI: 10.1007/s11033-023-08744-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 08/08/2023] [Indexed: 08/26/2023]
Abstract
BACKGROUND Bell pepper (Capsicum annuum L.) is one of the most economically and nutritionally important vegetables worldwide. However, its production can be affected by various abiotic stresses, such as low temperature. This causes various biochemical, morphological and molecular changes affecting membrane lipid composition, photosynthetic pigments, accumulation of free sugars and proline, secondary metabolism, as well as a change in gene expression. However, the mechanism of molecular response to this type of stress has not yet been elucidated. METHODS AND RESULTS To further investigate the response mechanism to this abiotic stress, we performed an RNA-Seq transcriptomic analysis to obtain the transcriptomic profile of Capsicum annuum exposed to low temperature stress, where libraries were constructed from reads of control and low temperature stress samples, varying on average per treatment from 22,952,190.5-27,305,327 paired reads ranging in size from 30 to 150 bp. The number of differentially expressed genes (DEGs) for each treatment was 388, 417 and 664 at T-17 h, T-22 h and T-41 h, respectively, identifying 58 up-regulated genes and 169 down-regulated genes shared among the three exposure times. Likewise, 23 DEGs encoding TFs were identified at T-17 h, 30 DEGs at T-22 h and 47 DEGs at T-42 h, respectively. GO analysis revealed that DEGs were involved in catalytic activity, response to temperature stimulus, oxidoreductase activity, stress response, phosphate ion transport and response to abscisic acid. KEGG pathway analysis identified that DEGs were related to flavonoid biosynthesis, alkaloid biosynthesis and plant circadian rhythm pathways in the case of up-regulated genes, while in the case of down-regulated genes, they pertained to MAPK signaling and plant hormone signal transduction pathways, present at all the three time points of low temperature exposure. Validation of the transcriptomic method was performed by evaluation of five DEGs by quantitative polymerase chain reaction (q-PCR). CONCLUSIONS The data obtained in the present study provide new insights into the transcriptome profiles of Capsicum annuum stem in response to low temperature stress. The data generated may be useful for the identification of key candidate genes and molecular mechanisms involved in response to this type of stress.
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Affiliation(s)
- Jesús Christian Grimaldi-Olivas
- Laboratorio de Biología Molecular y Genómica Funcional, Centro de Investigación en Alimentación y Desarrollo (CIAD) A.C., Carretera Culiacán-Eldorado Km 5.5 Col. Campo el Diez, C.P. 80110, Culiacán, Sinaloa, Mexico
| | - Brandon Estefano Morales-Merida
- Laboratorio de Biología Molecular y Genómica Funcional, Centro de Investigación en Alimentación y Desarrollo (CIAD) A.C., Carretera Culiacán-Eldorado Km 5.5 Col. Campo el Diez, C.P. 80110, Culiacán, Sinaloa, Mexico
| | - Abraham Cruz-Mendívil
- Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR), CONAHCYT-Instituto Politécnico Nacional (IPN), Unidad Sinaloa. Blvd. Juan de Dios Bátiz Paredes #250 Col. San Joachin, C.P. 81049, Guasave, Sinaloa, Mexico
| | - Claudia Villicaña
- Laboratorio de Biología Molecular y Genómica Funcional, CONAHCYT-Centro de Investigación en Alimentación y Desarrollo (CIAD) A.C., Carretera Culiacán-Eldorado Km 5.5, Campo el Diez, C.P. 80110, Culiacán, Sinaloa, Mexico
| | - J Basilio Heredia
- Laboratorio de Biología Molecular y Genómica Funcional, Centro de Investigación en Alimentación y Desarrollo (CIAD) A.C., Carretera Culiacán-Eldorado Km 5.5 Col. Campo el Diez, C.P. 80110, Culiacán, Sinaloa, Mexico
| | - Melina López-Meyer
- Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR), Instituto Politécnico Nacional (IPN), Unidad Sinaloa. Blvd. Juan de Dios Bátiz Paredes #250 Col. San Joachin, C.P. 81049, Guasave, Sinaloa, Mexico
| | - Rubén León-Chan
- Laboratorio de Genética, Instituto de Investigación Lightbourn, A. C., C.P. 33981, Ciudad Jiménez, Chihuahua, Mexico
| | - Luis Alberto Lightbourn-Rojas
- Laboratorio de Genética, Instituto de Investigación Lightbourn, A. C., C.P. 33981, Ciudad Jiménez, Chihuahua, Mexico
| | - Josefina León-Félix
- Laboratorio de Biología Molecular y Genómica Funcional, Centro de Investigación en Alimentación y Desarrollo (CIAD) A.C., Carretera Culiacán-Eldorado Km 5.5 Col. Campo el Diez, C.P. 80110, Culiacán, Sinaloa, Mexico.
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You H, Li S, Chen Y, Lin J, Wang Z, Dennis M, Li C, Yang D. Global proteome and lysine succinylation analyses provide insights into the secondary metabolism in Salvia miltiorrhiza. J Proteomics 2023; 288:104959. [PMID: 37478968 DOI: 10.1016/j.jprot.2023.104959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/10/2023] [Accepted: 07/01/2023] [Indexed: 07/23/2023]
Abstract
Danshen, belongs to the Lamiaceae family, and its scientific name is Salvia miltiorrhiza Bunge. It is a valuable medicinal plant to prevent and treat cardiovascular and cerebrovascular diseases. Lysine succinylation, a widespread modification found in various organisms, plays a critical role in regulating secondary metabolism in plants. The hairy roots of Salvia miltiorrhiza were subject to proteomic analysis to identify lysine succinylation sites using affinity purification and HPLC-MS/MS in this investigation. Our findings reveal 566 lysine succinylation sites in 348 protein sequences. We observed 110 succinylated proteins related to secondary metabolism, totaling 210 modification sites. Our analysis identified 53 types of enzymes among the succinylated proteins, including phenylalanine ammonia-lyase (PAL) and aldehyde dehydrogenase (ALDH). PAL, a crucial enzyme involved in the biosynthesis of rosmarinic acid and flavonoids, displayed succinylation at two sites. ALDH, which participates in the phenylpropane metabolic pathway, was succinylated at 8 eight sites. These observations suggest that lysine succinylation may play a vital role in regulating the production of secondary metabolites in Salvia miltiorrhiza. Our study may provide valuable insights for further investigation on plant succinylation, specifically as a reference point. SIGNIFICANCE: Salvia miltiorrhiza Bunge is a valuable medicinal plant that prevents and treats cardiovascular and cerebrovascular diseases. Lysine succinylation plays a critical role in regulating secondary metabolism in plants. The hairy roots of Salvia miltiorrhiza were subject to proteomic analysis to identify lysine succinylation sites using affinity purification and HPLC-MS/MS in this investigation. These observations suggest that lysine succinylation may act as a vital role in regulating the production of secondary metabolites in Salvia miltiorrhiza. Our study may provide valuable insights for further investigation on succinylation in plants, specifically as a reference point.
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Affiliation(s)
- Huaqian You
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, 548 Binwen Road, Binjiang District, Hangzhou 310053, Zhejiang, China; College of Life Sciences and Medicine, Key Laboratory of Plant Secondary Metabolism and Regulation in Zhejiang Province, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, China
| | - Shiqing Li
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, 548 Binwen Road, Binjiang District, Hangzhou 310053, Zhejiang, China
| | - Yiwen Chen
- College of Life Sciences and Medicine, Key Laboratory of Plant Secondary Metabolism and Regulation in Zhejiang Province, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, China
| | - Junjie Lin
- College of Life Sciences and Medicine, Key Laboratory of Plant Secondary Metabolism and Regulation in Zhejiang Province, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, China
| | - Zixuan Wang
- College of Life Sciences and Medicine, Key Laboratory of Plant Secondary Metabolism and Regulation in Zhejiang Province, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, China
| | - Mans Dennis
- Faculty of Medical Sciences, Anton de Kom University of Suriname, Paramaribo, Suriname
| | - Changyu Li
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, 548 Binwen Road, Binjiang District, Hangzhou 310053, Zhejiang, China
| | - Dongfeng Yang
- College of Life Sciences and Medicine, Key Laboratory of Plant Secondary Metabolism and Regulation in Zhejiang Province, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Zone, Hangzhou 310018, Zhejiang, China.
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Liu Z, Lan Y, Zhang H, Hao W, He S, Liu L, Feng X, Qie Q, Chai M, Wang Y. Responses of Aroma Related Metabolic Attributes of Opisthopappus longilobus Flowers to Environmental Changes. PLANTS (BASEL, SWITZERLAND) 2023; 12:1592. [PMID: 37111816 PMCID: PMC10140910 DOI: 10.3390/plants12081592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/31/2023] [Accepted: 04/02/2023] [Indexed: 06/19/2023]
Abstract
Opisthopappus longilobus (Opisthopappus) and its descendant species, Opisthopappus taihangensis, commonly thrive on the Taihang Mountains of China. Being typical cliff plants, both O. longilobus and O. taihangensis release unique aromatics. To determine the potential differentiation and environmental response patterns, comparative metabolic analysis was performed on O. longilobus wild flower (CLW), O. longilobus transplant flower (CLT), and O. taihangensis wild flower (TH) groups. Significant differences in the metabolic profiles were found, not within O. longilobus, but between O. longilobus and O. taihangensis flowers. Within these metabolites, twenty-eight substances related to the scents were obtained (one alkene, two aldehydes, three esters, eight phenols, three acids, three ketones, three alcohols, and five flavonoids), of which eugenol and chlorogenic were the primary aromatic molecules and enriched in the phenylpropane pathway. Network analysis showed that close relationships occurred among identified aromatic substances. The variation coefficient (CV) of aromatic metabolites in O. longilobus was lower than O. taihangensis. The aromatic related compounds were significantly correlated with the lowest temperatures in October and in December of the sampled sites. The results indicated that phenylpropane, particularly eugenol and chlorogenic, played important roles in the responses of O. longilobus species to environmental changes.
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Spanò R, Fortunato S, Linsalata V, D’Antuono I, Cardinali A, de Pinto MC, Mascia T. Comparative Analysis of Bioactive Compounds in Two Globe Artichoke Ecotypes Sanitized and Non-Sanitized from Viral Infections. PLANTS (BASEL, SWITZERLAND) 2023; 12:1600. [PMID: 37111825 PMCID: PMC10145195 DOI: 10.3390/plants12081600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/04/2023] [Accepted: 04/07/2023] [Indexed: 06/19/2023]
Abstract
Globe artichoke ecotypes sanitized from plant pathogen infections are characterized by high vegetative vigor, productivity, and quality of capitula. The recent availability on the market of these plants has renewed the interest of farmers and pharmaceutical industries in the crop. Globe artichoke exhibits interesting nutraceutical properties due to the high content of health-promoting bioactive compounds (BACs), such as polyphenols, that could be extracted from waste biomass. The production of BACs depends on several factors including the plant portion considered, the globe artichoke variety/ecotype, and the physiological status of the plants, linked to biotic and abiotic stresses. We investigated the influence of viral infections on polyphenol accumulation in two Apulian late-flowering ecotypes "Locale di Mola tardivo" and "Troianella", comparing sanitized virus-free material (S) vs. naturally virus-infected (non-sanitized, NS) plants. Transcriptome analysis of the two ecotypes highlighted that differentially expressed genes (DEGs), in the two tested conditions, were mainly involved in primary metabolism and processing of genetic/environmental information. The up-regulation of the genes related to the biosynthesis of secondary metabolites and the analysis of peroxidase activity suggested that their modulation is influenced by the phytosanitary status of the plant and is ecotype-dependent. Conversely, the phytochemical analysis showed a remarkable decrease in polyphenols and lignin accumulation in S artichokes compared to NS plants. This unique study analyzes the potential of growing vigorous, sanitized plants, in order to have high amounts of 'soft and clean' biomass, finalized for BAC extraction for nutraceutical purposes. This, in turn, opens new perspectives for a circular economy of sanitized artichokes, in line with the current phytosanitary standards and sustainable development goals.
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Affiliation(s)
- Roberta Spanò
- Department of Soil, Plant and Food Sciences, University of Bari “Aldo Moro”, Via Amendola 165/A, 70126 Bari, Italy
| | - Stefania Fortunato
- Department of Bioscience, Biotechnology and Environment, University of Bari “Aldo Moro”, Via E. Orabona 4, 70124 Bari, Italy
| | - Vito Linsalata
- Institute of Science of Foods Production (ISPA), CNR Via Amendola 122/O, 70126 Bari, Italy
| | - Isabella D’Antuono
- Institute of Science of Foods Production (ISPA), CNR Via Amendola 122/O, 70126 Bari, Italy
| | - Angela Cardinali
- Institute of Science of Foods Production (ISPA), CNR Via Amendola 122/O, 70126 Bari, Italy
| | - Maria Concetta de Pinto
- Department of Bioscience, Biotechnology and Environment, University of Bari “Aldo Moro”, Via E. Orabona 4, 70124 Bari, Italy
| | - Tiziana Mascia
- Department of Soil, Plant and Food Sciences, University of Bari “Aldo Moro”, Via Amendola 165/A, 70126 Bari, Italy
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Harbart V, Frede K, Fitzner M, Baldermann S. Regulation of carotenoid and flavonoid biosynthetic pathways in Lactuca sativa var capitate L. in protected cultivation. FRONTIERS IN PLANT SCIENCE 2023; 14:1124750. [PMID: 36866364 PMCID: PMC9971571 DOI: 10.3389/fpls.2023.1124750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
In the face of a growing world population and limited land, there is an urgent demand for higher productivity of food crops, and cultivation systems must be adapted to future needs. Sustainable crop production should aim for not only high yields, but also high nutritional values. In particular, the consumption of bioactive compounds such as carotenoids and flavonoids is associated with a reduced incidence of non-transmissible diseases. Modulating environmental conditions by improving cultivation systems can lead to the adaption of plant metabolisms and the accumulation of bioactive compounds. The present study investigates the regulation of carotenoid and flavonoid metabolisms in lettuce (Lactuca sativa var capitate L.) grown in a protected environment (polytunnels) compared to plants grown without polytunnels. Carotenoid, flavonoid and phytohormone (ABA) contents were determined using HPLC-MS and transcript levels of key metabolic genes were analyzed by RT-qPCR. In this study, we observed inverse contents of flavonoids and carotenoids in lettuce grown without or under polytunnels. Flavonoid contents on a total and individual level were significantly lower, while total carotenoid content was higher in lettuce plants grown under polytunnels compared to without. However, the adaptation was specific to the level of individual carotenoids. For instance, the accumulation of the main carotenoids lutein and neoxanthin was induced while the β-carotene content remained unchanged. In addition, our findings suggest that the flavonoid content of lettuce depends on transcript levels of the key biosynthetic enzyme, which is modulated by UV light. A regulatory influence can be assumed based on the relation between the concentration of the phytohormone ABA and the flavonoid content in lettuce. In contrast, the carotenoid content is not reflected in transcript levels of the key enzyme of either the biosynthetic or the degradation pathway. Nevertheless, the carotenoid metabolic flux determined using norflurazon was higher in lettuce grown under polytunnels, suggesting posttranscriptional regulation of carotenoid accumulation, which should be an integral part of future studies. Therefore, a balance needs to be found between the individual environmental factors, including light and temperature, in order to optimize the carotenoid or flavonoid contents and to obtain nutritionally highly valuable crops in protected cultivation.
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Affiliation(s)
- Vanessa Harbart
- Department Plant Quality and Food Security, Leibniz Institute of Vegetable and Ornamental Crops (IGZ), Großbeeren, Germany
- Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Katja Frede
- Department Plant Quality and Food Security, Leibniz Institute of Vegetable and Ornamental Crops (IGZ), Großbeeren, Germany
| | - Maria Fitzner
- Department Plant Quality and Food Security, Leibniz Institute of Vegetable and Ornamental Crops (IGZ), Großbeeren, Germany
- Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Susanne Baldermann
- Department Plant Quality and Food Security, Leibniz Institute of Vegetable and Ornamental Crops (IGZ), Großbeeren, Germany
- Faculty of Life Sciences: Food, Nutrition and Health, Food Metabolome, University of Bayreuth, Kulmbach, Germany
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Vrábl D, Nezval J, Pech R, Volná A, Mašková P, Pleva J, Kuzniciusová N, Provazová M, Štroch M, Špunda V. Light Drives and Temperature Modulates: Variation of Phenolic Compounds Profile in Relation to Photosynthesis in Spring Barley. Int J Mol Sci 2023; 24:ijms24032427. [PMID: 36768753 PMCID: PMC9916737 DOI: 10.3390/ijms24032427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/12/2023] [Accepted: 01/12/2023] [Indexed: 01/28/2023] Open
Abstract
Accumulation and metabolic profile of phenolic compounds (PheCs; serving as UV-screening pigments and antioxidants) as well as carbon fixation rate (An) and plant growth are sensitive to irradiance and temperature. Since these factors are naturally co-acting in the environment, it is worthy to study the combined effects of these environmental factors to assess their possible physiological consequences. We investigated how low and high irradiance in combination with different temperatures modify the metabolic profile of PheCs and expression of genes involved in the antioxidative enzyme and PheCs biosynthesis, in relation to photosynthetic activity and availability of non-structural carbohydrates (NSC) in spring barley seedlings. High irradiance positively affected An, NSC, PheCs content, and antioxidant activity (AOX). High temperature led to decreased An, NSC, and increased dark respiration, whilst low temperature was accompanied by reduction of UV-A shielding but increase of PheCs content and AOX. Besides that, irradiance and temperature caused changes in the metabolic profile of PheCs, particularly alteration in homoorientin/isovitexin derivatives ratio, possibly related to demands on AOX-based protection. Moreover, we also observed changes in the ratio of sinapoyl-/feruloyl- acylated flavonoids, the function of which is not yet known. The data also strongly suggested that the NSC content may support the PheCs production.
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Affiliation(s)
- Daniel Vrábl
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
| | - Jakub Nezval
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
- Correspondence: (J.N.); (V.Š.)
| | - Radomír Pech
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
| | - Adriana Volná
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
| | - Petra Mašková
- Department of Experimental Plant Biology, Faculty of Science, Charles University, 128 00 Prague, Czech Republic
| | - Jan Pleva
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
| | - Nikola Kuzniciusová
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
| | - Michaela Provazová
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
| | - Michal Štroch
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
- Global Change Research Institute, Czech Academy of Sciences, 603 00 Brno, Czech Republic
| | - Vladimír Špunda
- Department of Physics, Faculty of Science, University of Ostrava, 710 00 Ostrava, Czech Republic
- Global Change Research Institute, Czech Academy of Sciences, 603 00 Brno, Czech Republic
- Correspondence: (J.N.); (V.Š.)
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Liu Z, Jiang F, Mo Y, Liao H, Chen P, Zhang H. Effects of Ethanol Treatment on Storage Quality and Antioxidant System of Postharvest Papaya. FRONTIERS IN PLANT SCIENCE 2022; 13:856499. [PMID: 35774809 PMCID: PMC9238507 DOI: 10.3389/fpls.2022.856499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Papaya is the fourth most favored tropical fruit in the global market; it has rich nutrition and can be used for medicine and food processing. However, it will soften and mature in a short time after harvest, resulting in a lot of economic losses. In this study, papaya fruits were soaked in 0, 12.5, 25, 50, and 100 ml/L ethanol solutions for 2 h and stored at 25°C for 14 days, by which we explored the effects of ethanol treatment in papaya after harvest. At an optimal concentration of ethanol treatment, color changing of the papaya fruits was delayed for 6 days, and decay incidence and average firmness of the fruits were shown as 20% and 27.7 N, respectively. Moreover, the effect of ethanol treatment on antioxidant systems in the papaya fruits was explored. It was observed that ethanol treatment contributed to diminish the development of malondialdehyde (MDA), ethylene, and superoxide anions. Furthermore, the activities of superoxide dismutase (SOD), catalase (CAT), and ascorbate peroxidase (APX) were promoted than those of control group, while the activities of peroxidase (POD), phenylalanine ammonia-lyase (PAL), and polyphenol oxidase (PPO) were brought down. In addition, the principal component analysis (PCA) showed that PAL, ethylene, and superoxide anions were the main contributors for the maturity and senescence of postharvest papaya. In this experiment, ethanol treatment had the potential of delaying the ripening and maintaining the storage quality of papaya fruits.
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Affiliation(s)
- Zhichao Liu
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, China
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Fan Jiang
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, China
| | - Yiming Mo
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, China
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Haida Liao
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, China
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Ping Chen
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, China
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Hongna Zhang
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, China
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
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10
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STN7 Kinase Is Essential for Arabidopsis thaliana Fitness under Prolonged Darkness but Not under Dark-Chilling Conditions. Int J Mol Sci 2022; 23:ijms23094531. [PMID: 35562922 PMCID: PMC9100030 DOI: 10.3390/ijms23094531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/11/2022] [Accepted: 04/17/2022] [Indexed: 02/04/2023] Open
Abstract
Reversible phosphorylation of photosystem II light harvesting complexes (LHCII) is a well-established protective mechanism enabling efficient response to changing light conditions. However, changes in LHCII phosphorylation were also observed in response to abiotic stress regardless of photoperiod. This study aimed to investigate the impact of dark-chilling on LHCII phosphorylation pattern in chilling-tolerant Arabidopsis thaliana and to check whether the disturbed LHCII phosphorylation process will impact the response of Arabidopsis to the dark-chilling conditions. We analyzed the pattern of LHCII phosphorylation, the organization of chlorophyll–protein complexes, and the level of chilling tolerance by combining biochemical and spectroscopy techniques under dark-chilling and dark conditions in Arabidopsis mutants with disrupted LHCII phosphorylation. Our results show that during dark-chilling, LHCII phosphorylation decreased in all examined plant lines and that no significant differences in dark-chilling response were registered in tested lines. Interestingly, after 24 h of darkness, a high increase in LHCII phosphorylation was observed, co-occurring with a significant FV/FM parameter decrease. The highest drop of FV/FM was detected in the stn7-1 line–mutant, where the LHCII is not phosphorylated, due to the lack of STN7 kinase. Our results imply that STN7 kinase activity is important for mitigating the adverse effects of prolonged darkness.
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11
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Transcriptome analysis reveals anthocyanin regulation in Chinese cabbage (Brassica rapa L.) at low temperatures. Sci Rep 2022; 12:6308. [PMID: 35428824 PMCID: PMC9012755 DOI: 10.1038/s41598-022-10106-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 04/01/2022] [Indexed: 11/23/2022] Open
Abstract
Chinese cabbage that prefers cold conditions is also affected by low-temperature stress, such as the accumulation of leaf anthocyanins. Research on anthocyanin biosynthesis and regulation mechanisms has made great progress. However, research on anthocyanin accumulation for resistance to biological and non-biological stress is still lacking. To study the relationship between anthocyanin accumulation of Chinese cabbage and resistance under low-temperature conditions, RNA sequencing (RNA-seq) was performed on Chinese cabbage ‘Xiao Baojian’ grown at a low temperature for four time periods and at a control temperature for five time periods. In Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, 7954 differentially expressed genes (DEGs) were enriched, of which 587 DEGs belonged to "biosynthesis of other secondary metabolites." Gene temporal expression patterns were used to discover enriched genes related to phenylpropanoid biosynthesis; flavonoid biosynthesis and anthocyanin biosynthesis pathways were found in cluster 1. The interaction networks were constructed, and hub genes were selected, showing that flavonoid biosynthesis pathway genes (DFR, ANS, F3H, FLS1, CHS1, CHS3, and TT8) and defense mechanisms-related genes (DFR, SNL6, and TKPR1) interact with each other. Anthocyanin biosynthesis DEGs in Chinese cabbage were evaluated under low-temperature conditions to map the relevant pathways, and expression maps of transcription factors in the flavonoid pathway were created at various periods. Low temperature upregulated the expression of genes related to anthocyanin biosynthesis. Taken together, our results provide further analysis of the relationship between plant anthocyanin synthesis and stress resistance and may also provide further insights for the future development of high-quality color and cold-tolerant Chinese cabbage germplasm resources.
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12
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Qing D, Deng G, Pan Y, Gao L, Liang H, Zhou W, Chen W, Li J, Huang J, Gao J, Lu C, Wu H, Liu K, Dai G. ITRAQ-based quantitative proteomic analysis of japonica rice seedling during cold stress. BREEDING SCIENCE 2022; 72:150-168. [PMID: 36275934 PMCID: PMC9522529 DOI: 10.1270/jsbbs.21081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/11/2021] [Indexed: 06/16/2023]
Abstract
Low temperature is one of the important environmental factors that affect rice growth and yield. To better understand the japonica rice responses to cold stress, isobaric tags for a relative and absolute quantification (iTRAQ) labeling-based quantitative proteomics approach was used to detected changes in protein levels. Two-week-old seedlings of the cold tolerant rice variety Kongyu131 were treated at 8°C for 24, 48 and 72 h, then the total proteins were extracted from tissues and used for quantitative proteomics analysis. A total of 5082 proteins were detected for quantitative analysis, of which 289 proteins were significantly regulated, consisting of 169 uniquely up-regulated proteins and 125 uniquely down-regulated proteins in cold stress groups relative to the control group. Functional analysis revealed that most of the regulated proteins are involved in photosynthesis, metabolic pathway, biosynthesis of secondary metabolites and carbon metabolism. Western blot analysis showed that protein regulation was consistent with the iTRAQ data. The corresponding genes of 25 regulated proteins were used for quantitative real time PCR analysis, and the results showed that the mRNA level was not always parallel to the corresponding protein level. The importance of our study is that it provides new insights into cold stress responses in rice with respect to proteomics and provides candidate genes for cold-tolerance rice breeding.
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Affiliation(s)
- Dongjin Qing
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
- Guangxi Academy of Agricultural Sciences/Guangxi Crop Genetic Improvement and Biotechnology Laboratory, Nanning, China
| | - Guofu Deng
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Yinghua Pan
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Lijun Gao
- Guangxi Academy of Agricultural Sciences/Guangxi Crop Genetic Improvement and Biotechnology Laboratory, Nanning, China
| | - Haifu Liang
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Weiyong Zhou
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Weiwei Chen
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Jingcheng Li
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Juan Huang
- Guangxi Academy of Agricultural Sciences/Guangxi Crop Genetic Improvement and Biotechnology Laboratory, Nanning, China
| | - Ju Gao
- Guangxi Academy of Agricultural Sciences/Guangxi Crop Genetic Improvement and Biotechnology Laboratory, Nanning, China
| | - Chunju Lu
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Hao Wu
- Guangxi Academy of Agricultural Sciences/Guangxi Crop Genetic Improvement and Biotechnology Laboratory, Nanning, China
| | - Kaiqiang Liu
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
| | - Gaoxing Dai
- Rice Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning, China
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Hassan Abd-Elrahman S, Abd-Elhamid Hashem F, Awny Farag A. Mitigation of Heat Stress Effects on Snake Cucumber Plants by Silicon Additions and Rice Straw Soil Cover. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 2022; 53:759-772. [DOI: 10.1080/00103624.2022.2028814] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 01/07/2022] [Indexed: 09/01/2023]
Affiliation(s)
| | - Fadl Abd-Elhamid Hashem
- Central Laboratory for Agricultural Climate 12411, Agricultural Research Center, Giza, Egypt
| | - Ahmed Awny Farag
- Central Laboratory for Agricultural Climate 12411, Agricultural Research Center, Giza, Egypt
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Potential Value of Wood Tar as a Natural Fungicide against Valsa mali. Molecules 2022; 27:molecules27051531. [PMID: 35268633 PMCID: PMC8911778 DOI: 10.3390/molecules27051531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 02/01/2023] Open
Abstract
The Valsa canker caused by Valsa mali seriously harmed the production of East Asian apples and caused very significant economic losses. Considering the chemical residues and the improvement of people’s awareness of environmental protection, there is a need for screening new green pesticides for the control of Valsa canker. Therefore, we conducted systematic evaluations on the antifungal activity of wood tar. In this research, the effective concentration (EC50) of six strains of V. mali to wood tar was determined, and the EC50 ranged from 69.54 to 92.81 μg/mL. After treatment with wood tar, the hyphae of V. mali broke, swelled, and deformed; the permeability of the cell membrane increased; and the activity of pectinase reduced. Moreover, the expression levels of five genes related to pectinase also decreased significantly. In addition, the activities of phenylalanine ammonia lyase (PAL) and peroxidase (POD) of apple leaves treated with wood tar also increased. On detached apple branches, wood tar also showed therapeutic and protective activities. In the 2016–2019 field experiments, wood tar also showed good efficacy against Valsa canker and promoted the formation of callus. (In the experiments from 2016 to 2019, it can be seen that the control effect of 50% wood tar and 100% wood tar in the field is above 75% and promoted the formation of callus.) This study is the first to report the bidirectional efficacy of wood tar against Valsa mali and for trunk wound healing. The above results evidenced that wood tar has great potential to be developed as a natural alternative to commercial fungicides for the management of apple Valsa canker.
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Miao N, Zhou J, Li M, Zhang J, Hu Y, Guo J, Zhang T, Shi L. Remodeling and protecting the membrane system to resist phosphorus deficiency in wild soybean (Glycine soja) seedling leaves. PLANTA 2022; 255:53. [PMID: 35099613 DOI: 10.1007/s00425-022-03834-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 01/17/2022] [Indexed: 06/14/2023]
Abstract
MAIN CONCLUSION The poor-soil-tolerant wild soybean resist phosphorus deficiency by remodeling membrane lipids to reuse phosphorus. The plants synthesize phenolic acids and flavonoids to remove reactive oxygen species and protect membrane stability. Poor soil largely limits plant yields, and the development and utilization of high-quality wild plant resources is an effective approach to resolving this problem. Two ecotypes of wild soybean were used as experimental materials in this experiment. We integrated metabolomics and transcriptomics to determine whether wild soybean (Glycine soja) could resist phosphorus deficiency by remodeling and protecting its membrane system. Under phosphorus-deficient conditions, the plant height and aboveground fresh and dry weight of poor-soil-tolerant wild soybean seedlings were less inhibited than those in common wild soybean. In poor-soil-tolerant wild soybean seedling leaves, the glycerol-3-phosphate content decreased significantly, while caffeic acid, ferulic acid, shikimic acid, phenylalanine, tyrosine, and tryptophan increased significantly. β-Glucosidase and chalcone synthase genes and those that encode SQD2, a crucial enzyme in thiolipid biosynthesis, were specifically up-regulated, whereas the glucosyltransferase UGT74B1 gene was down-regulated. The poor-soil-tolerant wild soybean enhanced glycerolipid metabolism to decompose phospholipids and release phosphorus for reuse to improve resistance to phosphorus deficiency. The plants synthesized thiolipids to replace phospholipids and maintain membrane structure integrity and inhibited glucosinolate biosynthesis to promote phenylpropanoid biosynthesis, leading to the production of phenolic acids and flavonoids that removed reactive oxygen species and protected membrane system stability. The experiments evaluated and provided insight into the innovative utilization of wild soybean germplasm resources.
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Affiliation(s)
- Ningning Miao
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024, China
| | - Ji Zhou
- Land Consolidation and Rehabilitation Centre, The Ministry of Land and Resources, Beijing, P.R. China
| | - Mingxia Li
- School of Life Sciences, ChangChun Normal University, Changchun, 130024, China
| | - Jiayi Zhang
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024, China
| | - Yunan Hu
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024, China
| | - Jixun Guo
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024, China
| | - Tao Zhang
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024, China.
| | - Lianxuan Shi
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024, China.
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Hydroponic Basil Production: Temperature Influences Volatile Organic Compound Profile, but Not Overall Consumer Preference. HORTICULTURAE 2022. [DOI: 10.3390/horticulturae8010076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Altering the growing temperature during controlled-environment production not only influences crop growth and development, but can also influence volatile organic compound (VOC) production and, subsequently, sensory attributes of culinary herbs. Therefore, the objectives of this study were to (1) quantify the influence of mean daily temperature (MDT) and daily light integral (DLI) on key basil phenylpropanoid and terpenoid concentrations, (2) determine if differences in sensory characteristics due to MDT and DLI influence consumer preference, and (3) identify the sweet basil attributes consumers prefer. Thus, 2-week-old sweet basil ‘Nufar’ seedlings were transplanted into deep-flow hydroponic systems in greenhouses with target MDTs of 23, 26, 29, 32, or 35 °C and DLIs of 7, 9, or 12 mol·m−2·d−1. After three weeks, the two most recently mature leaves were harvested for gas chromatography–mass spectrometry (GC–MS) and consumer sensory analysis. Panel evaluations were conducted through a sliding door with samples served individually while panelists answered Likert scale and open-ended quality attribute and sensory questions. The DLI did not influence VOC concentrations. Increasing MDT from 23 to 36 °C during production increased 1,8 cineole, eugenol, and methyl chavicol concentrations linearly and did not affect linalool concentration. The increases in phenylpropanoid (eugenol and methyl chavicol) were greater than increases in terpenoid (1,8 cineole) concentrations. However, these increases did not impact overall consumer or flavor preference. The MDT during basil production influenced appearance, texture, and color preference of panelists. Taken together, MDT during production influenced both VOC concentrations and textural and visual attribute preference of basil but did not influence overall consumer preference. Therefore, changing the MDT during production can be used to alter plant growth and development without significantly affecting consumer preference.
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OSMAN M, EL-FEKY S, SELIEM H, ABO-HAMAD S. Physiological impact of putrescine on Trigonella foenum-graecum L. growing under temperature stress. FOOD SCIENCE AND TECHNOLOGY 2021. [DOI: 10.1590/fst.13820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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18
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Xu DQ, Cheng SY, Zhang JQ, Lin HF, Chen YY, Yue SJ, Tian M, Tang YP, Zhao YC. Morus alba L. Leaves - Integration of Their Transcriptome and Metabolomics Dataset: Investigating Potential Genes Involved in Flavonoid Biosynthesis at Different Harvest Times. FRONTIERS IN PLANT SCIENCE 2021; 12:736332. [PMID: 34868120 PMCID: PMC8637763 DOI: 10.3389/fpls.2021.736332] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/07/2021] [Indexed: 06/04/2023]
Abstract
The mulberry leaf is a classic herb commonly used in traditional Chinese medicine. It has also been used as animal feed for livestock and its fruits have been made into a variety of food products. Traditionally, mulberry (Morus alba L.) leaf harvesting after frost is thought to have better medicinal properties, but the underlying mechanism remains largely unsolved. To elucidate the biological basis of mulberry leaves after frost, we first explored the content changes of various compounds in mulberry leaves at different harvest times. Significant enrichment of flavonoids was observed with a total of 224 differential metabolites after frost. Subsequently, we analyzed the transcriptomic data of mulberry leaves collected at different harvest times and successfully annotated 22,939 unigenes containing 1,695 new genes. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis revealed 26, 20, and 59 unigenes related to flavonoids synthesis in three different groups harvested at different times. We found that the expression levels of flavonoid biosynthesis-related unigenes also increased when harvested at a delayed time, which was consistent with the flavonoid accumulation discovered by the metabolomic analysis. The results indicated that low temperature may be a key trigger in flavonoid biosynthesis of mulberry leaves by increasing the expression of flavonoid biosynthesis-related genes. This study also provided a theoretical basis for the optimal harvest time of mulberry leaves.
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Affiliation(s)
- Ding-Qiao Xu
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Shu-Yan Cheng
- Department of Resources Science of Traditional Chinese Medicines, State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jun-Qing Zhang
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Han-Feng Lin
- Department of Resources Science of Traditional Chinese Medicines, State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yan-Yan Chen
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Shi-Jun Yue
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Meng Tian
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Yu-Ping Tang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Yu-Cheng Zhao
- Department of Resources Science of Traditional Chinese Medicines, State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
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LaFountain AM, Yuan YW. Repressors of anthocyanin biosynthesis. THE NEW PHYTOLOGIST 2021; 231:933-949. [PMID: 33864686 PMCID: PMC8764531 DOI: 10.1111/nph.17397] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/29/2021] [Indexed: 05/07/2023]
Abstract
Anthocyanins play a variety of adaptive roles in both vegetative tissues and reproductive organs of plants. The broad functionality of these compounds requires sophisticated regulation of the anthocyanin biosynthesis pathway to allow proper localization, timing, and optimal intensity of pigment deposition. While it is well-established that the committed steps of anthocyanin biosynthesis are activated by a highly conserved MYB-bHLH-WDR (MBW) protein complex in virtually all flowering plants, anthocyanin repression seems to be achieved by a wide variety of protein and small RNA families that function in different tissue types and in response to different developmental, environmental, and hormonal cues. In this review, we survey recent progress in the identification of anthocyanin repressors and the characterization of their molecular mechanisms. We find that these seemingly very different repression modules act through a remarkably similar logic, the so-called 'double-negative logic'. Much of the double-negative regulation of anthocyanin production involves signal-induced degradation or sequestration of the repressors from the MBW protein complex. We discuss the functional and evolutionary advantages of this logic design compared with simple or sequential positive regulation. These advantages provide a plausible explanation as to why plants have evolved so many anthocyanin repressors.
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Affiliation(s)
- Amy M LaFountain
- Department of Ecology and Evolutionary Biology, University of Connecticut, 75 North Eagleville Road, Storrs, CT, 06269-3043, USA
| | - Yao-Wu Yuan
- Department of Ecology and Evolutionary Biology, University of Connecticut, 75 North Eagleville Road, Storrs, CT, 06269-3043, USA
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Miliordos DE, Merkouropoulos G, Kogkou C, Arseniou S, Alatzas A, Proxenia N, Hatzopoulos P, Kotseridis Y. Explore the Rare—Molecular Identification and Wine Evaluation of Two Autochthonous Greek Varieties: “Karnachalades” and “Bogialamades”. PLANTS 2021; 10:plants10081556. [PMID: 34451601 PMCID: PMC8398411 DOI: 10.3390/plants10081556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 07/22/2021] [Accepted: 07/26/2021] [Indexed: 11/29/2022]
Abstract
Wines produced from autochthonous Vitis vinifera varieties have an essential financial impact on the national economy of Greece. However, scientific data regarding characteristics and quality aspects of these wines is extremely limited. The aim of the current study is to define the molecular profile and to describe chemical and sensory characteristics of the wines produced by two autochthonous red grapevine varieties—“Karnachalades” and “Bogialamades”—grown in the wider area of Soufli (Thrace, Greece). We used seven microsatellites to define the molecular profile of the two varieties, and then we compared their profile to similar molecular data from other autochthonous as well as international varieties. Grape berries were harvested at optimum technological maturity from a commercial vineyard for two consecutive vintages (2017–2018) and vilification was performed using a common vinification protocol: the 2017 vintage provided wines, from both varieties, with greater rates of phenolics and anthocyanins than 2018, whereas regarding the sensory analysis, “Bogialamades” wine provided a richer profile than “Karnachalades”. To our knowledge, this is the first study that couples both molecular profiling and exploration of the enological potential of the rare Greek varieties “Karnachalades” and “Bogialamades”; they represent two promising varieties for the production of red wines in the historic region of Thrace.
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Affiliation(s)
- Dimitrios Evangelos Miliordos
- Laboratory of Enology and Alcoholic Drinks, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece; (C.K.); (S.A.); (N.P.); (Y.K.)
- Correspondence:
| | - Georgios Merkouropoulos
- Department of Vitis, Institute of Olive Tree, Subtropical Crops and Viticulture, Hellenic Agricultural Organisation—DIMITRA, Leoforos Sofokli Venizelou 1, Lykovrysi, 14123 Attiki, Greece;
| | - Charikleia Kogkou
- Laboratory of Enology and Alcoholic Drinks, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece; (C.K.); (S.A.); (N.P.); (Y.K.)
| | - Spyridon Arseniou
- Laboratory of Enology and Alcoholic Drinks, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece; (C.K.); (S.A.); (N.P.); (Y.K.)
| | - Anastasios Alatzas
- Molecular Biology Laboratory, Department of Biotechnology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece; (A.A.); (P.H.)
| | - Niki Proxenia
- Laboratory of Enology and Alcoholic Drinks, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece; (C.K.); (S.A.); (N.P.); (Y.K.)
| | - Polydefkis Hatzopoulos
- Molecular Biology Laboratory, Department of Biotechnology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece; (A.A.); (P.H.)
| | - Yorgos Kotseridis
- Laboratory of Enology and Alcoholic Drinks, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece; (C.K.); (S.A.); (N.P.); (Y.K.)
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Li Y, He C, Yu X, Zhou J, Ran W, Chen Y, Ni D. Effects of red-light withering on the taste of black tea as revealed by non-targeted metabolomics and transcriptomics analysis. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111620] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Han Z, Shang X, Shao L, Wang Y, Zhu X, Fang W, Ma Y. Meta-analysis of the effect of expression of MYB transcription factor genes on abiotic stress. PeerJ 2021; 9:e11268. [PMID: 34164229 PMCID: PMC8194419 DOI: 10.7717/peerj.11268] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 03/23/2021] [Indexed: 01/06/2023] Open
Abstract
Background MYB proteins are a large group of transcription factors. The overexpression of MYB genes has been reported to improve abiotic stress tolerance in plant. However, due to the variety of plant species studied and the types of gene donors/recipients, along with different experimental conditions, it is difficult to interpret the roles of MYB in abiotic stress tolerance from published data. Methods Using meta-analysis approach, we investigated the plant characteristics involved in cold, drought, and salt stress in MYB-overexpressing plants and analyzed the degrees of influence on plant performance by experimental variables. Results The results show that two of the four measured plant parameters in cold-stressed plants, two of the six in drought-stressed, and four of the 13 in salt-stressed were significantly impacted by MYB overexpression by 22% or more, and the treatment medium, donor/recipient species, and donor type significantly influence the effects of MYB-overexpression on drought stress tolerance. Also, the donor/recipient species, donor type, and stress duration all significantly affected the extent of MYB-mediated salt stress tolerance. In summary, this study compiles and analyzes the data across studies to help us understand the complex interactions that dictate the efficacy of heterologous MYB expression designed for improved abiotic stress tolerance in plants.
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Affiliation(s)
- Zhaolan Han
- College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Xiaowen Shang
- College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Lingxia Shao
- College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Ya Wang
- College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Xujun Zhu
- College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Wanping Fang
- College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Yuanchun Ma
- College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu, China
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Pei L, Liu J, Zhou Y, Jiang Y, Li H. Transcriptomic and metabolomic profiling reveals the protective role of anthocyanins in alleviating low phosphate stress in maize. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:889-905. [PMID: 34108822 PMCID: PMC8140177 DOI: 10.1007/s12298-021-00981-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 05/15/2023]
Abstract
UNLABELLED Anthocyanin accumulation is a characteristic response to phosphate (Pi) deficiency in plants. In the present study, we investigated the role of maize anthocyanins (MA) in alleviating low Pi (LP) stress in maize (Zea mays L). To this end, maize plants were exposed to LP conditions and treated with or without (control) MA. Interestingly, MA-treated maize plants showed relieved growth inhibition, reproductive development retardation, and yield loss compared to control plants under LP stress. Moreover, the level of oxidative destruction was significantly alleviated in MA-treated plants compared to the untreated control under conditions of LP stress. Acid phosphatase (APase) activity was significantly higher in MA-treated plants than in control plants, resulting in enhanced Pi mobilization and recycling. The results of the transcriptome analysis suggested that genes involved in photosynthesis, photosystem light harvesting, Pi transport, and recycling were differentially expressed between MA-treated plants and control plants. Moreover, metabolome analysis indicated higher sugar and organic acid levels and lower phosphorylated metabolite contents in MA-treated plants than in control plants, which was consistent with the results of the comparative transcriptome analysis. Taken together, our findings indicate that MA plays critical roles in alleviating LP stress in maize plants, probably by improving photosynthetic performance and increasing Pi mobilization and recycling. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12298-021-00981-9.
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Affiliation(s)
- Laming Pei
- School of Biological Science and Technology, University of Jinan, Jinan, 250022 China
| | - Jiajia Liu
- School of Biological Science and Technology, University of Jinan, Jinan, 250022 China
| | - Yuanyuan Zhou
- School of Biological Science and Technology, University of Jinan, Jinan, 250022 China
| | - Yuhang Jiang
- School of Biological Science and Technology, University of Jinan, Jinan, 250022 China
| | - Hui Li
- School of Biological Science and Technology, University of Jinan, Jinan, 250022 China
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Jiang J, Hou R, Yang N, Li L, Deng J, Qin G, Ding D. Physiological and TMT-labeled proteomic analyses reveal important roles of sugar and secondary metabolism in Citrus junos under cold stress. J Proteomics 2021; 237:104145. [PMID: 33581353 DOI: 10.1016/j.jprot.2021.104145] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/24/2021] [Accepted: 02/01/2021] [Indexed: 11/16/2022]
Abstract
Citrus junos is a widely used citrus grafting rootstock in china because of its excellent tolerance to cold stress. However, the physiological and molecular mechanisms underlying this process remain unknown. In this study, physiological and tandem mass tag-based proteomic analyses were performed to elucidate the mechanism of the Citrus junos response to cold stress. Physiological data showed that severe cold stress decreased photosynthetic parameters and caused cell membrane damage and membrane lipid peroxidation in Citrus junos leaves compared to the control. A total of 6, 678 distinct proteins species were identified, and 413 proteins species were significantly differentially accumulated in the leaves of Citrus junos seedling after cold stress. Bioinformatics analysis revealed that the differentially abundance protein species mainly related to the starch and sucrose metabolism, secondary metabolites biosynthesis and phenylpropanoid biosynthesis in the leaves of Citrus junos seedling after cold stress. Further physiological assays showed that the contents of soluble starch, fructose, glucose and phenols were significantly increased in Citrus junos leaves after cold stress. Collectively, our data reveals that sugar and secondary metabolism could play important roles in Citrus junos in response to cold stress.
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Affiliation(s)
- Jinglong Jiang
- School of Biological Science and Engineering, School of Chemical and Environmental Sciences, Shaanxi University of Technology, Hanzhong 723000, PR China.
| | - Ruping Hou
- School of Biological Science and Engineering, School of Chemical and Environmental Sciences, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Ni Yang
- School of Biological Science and Engineering, School of Chemical and Environmental Sciences, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Li Li
- School of Biological Science and Engineering, School of Chemical and Environmental Sciences, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Jiarui Deng
- Chenggu Fruit Industry Technical Guidance Station, Chenggu 723200, Shaanxi, China
| | - Gongwei Qin
- School of Biological Science and Engineering, School of Chemical and Environmental Sciences, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Dekuan Ding
- Chenggu Fruit Industry Technical Guidance Station, Chenggu 723200, Shaanxi, China
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25
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Šamec D, Karalija E, Šola I, Vujčić Bok V, Salopek-Sondi B. The Role of Polyphenols in Abiotic Stress Response: The Influence of Molecular Structure. PLANTS (BASEL, SWITZERLAND) 2021; 10:118. [PMID: 33430128 PMCID: PMC7827553 DOI: 10.3390/plants10010118] [Citation(s) in RCA: 193] [Impact Index Per Article: 64.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/29/2020] [Accepted: 01/05/2021] [Indexed: 01/15/2023]
Abstract
Abiotic stressors such as extreme temperatures, drought, flood, light, salt, and heavy metals alter biological diversity and crop production worldwide. Therefore, it is important to know the mechanisms by which plants cope with stress conditions. Polyphenols, which are the largest group of plant-specialized metabolites, are generally recognized as molecules involved in stress protection in plants. This diverse group of metabolites contains various structures, from simple forms consisting of one aromatic ring to more complex ones consisting of large number of polymerized molecules. Consequently, all these molecules, depending on their structure, may show different roles in plant growth, development, and stress protection. In the present review, we aimed to summarize data on how different polyphenol structures influence their biological activity and their roles in abiotic stress responses. We focused our review on phenolic acids, flavonoids, stilbenoids, and lignans.
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Affiliation(s)
- Dunja Šamec
- Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia;
| | - Erna Karalija
- Faculty of Science, University of Sarajevo, Zmaja od Bosne 33–35, 71000 Sarajevo, Bosnia and Herzegovina;
| | - Ivana Šola
- Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia; (I.Š.); (V.V.B.)
| | - Valerija Vujčić Bok
- Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia; (I.Š.); (V.V.B.)
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Singh N, Kumaria S. Molecular cloning and characterization of chalcone synthase gene from Coelogyne ovalis Lindl. and its stress-dependent expression. Gene 2020; 762:145104. [PMID: 32889060 DOI: 10.1016/j.gene.2020.145104] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 08/06/2020] [Accepted: 08/26/2020] [Indexed: 12/24/2022]
Abstract
Chalcone synthase (CHS, EC 2.3.1.74) is one of the key and rate-limiting enzymes of phenylpropanoid pathway which plays superior roles in the production of secondary metabolites. In the present study a full-length cDNA of CHS gene was isolated and characterized from Coelogyne ovalis, an orchid of ornamental and medicinal importance. The CHS gene sequence from C. ovalis (CoCHS) was found to be 1445 bp and comprised an open reading frame of 1182 bp, encoding for 394 amino acid residues. Further, the sequence alignment and phylogenetic analysis revealed that CoCHS protein shared high degree of similarity with CHS protein of other orchid species. It also confirmed that it contained all four motifs (I to IV) and signature sequence for the functionality of this gene. Structural modeling of CoCHS based on the crystallographic structure of Freesia hybrida indicated that CoCHS had a similar structure. Quantitative polymerase chain reaction (qPCR) disclosed that CoCHS was expressed in all tissues examined, with the highest transcript being in leaves, followed by pseudobulbs and roots. CoCHS expression was also evaluated in the in vitro-raised plantlets under the abiotic stress (dark, cold, UV-B, wounding, salinity). mRNA transcript expression of CHS gene was found to be positively enhanced and regulated by the different stress types. A correlation between the CoCHS transcript expression with flavonoid and anthocyanin contents revealed that a positive correlation existed between metabolites' content and CoCHS expression within the in vivo as well as in the in vitro-raised plant parts.
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Affiliation(s)
- Nutan Singh
- Plant Biotechnology Laboratory, Department of Botany, North-Eastern Hill University, Shillong, Meghalaya 793022, India
| | - Suman Kumaria
- Plant Biotechnology Laboratory, Department of Botany, North-Eastern Hill University, Shillong, Meghalaya 793022, India.
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27
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Song Y, Jia Z, Hou Y, Ma X, Li L, Jin X, An L. Roles of DNA Methylation in Cold Priming in Tartary Buckwheat. FRONTIERS IN PLANT SCIENCE 2020; 11:608540. [PMID: 33365044 PMCID: PMC7750358 DOI: 10.3389/fpls.2020.608540] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 11/23/2020] [Indexed: 05/04/2023]
Abstract
Plants experience a wide array of environmental stimuli, some of which are frequent occurrences of cold weather, which have priming effects on agricultural production and agronomic traits. DNA methylation may act as an epigenetic regulator for the cold response of Tartary buckwheat (Fagopyrum tataricum). Combined with long-term field observation and laboratory experiments, comparative phenome, methylome, and transcriptome analyses were performed to investigate the potential epigenetic contributions for the cold priming of Tartary buckwheat variety Dingku1. Tartary buckwheat cv. Dingku1 exhibited low-temperature resistance. Single-base resolution maps of the DNA methylome were generated, and a global loss of DNA methylation was observed during cold responding in Dingku1. These sites with differential methylation levels were predominant in the intergenic regions. Several hundred genes had different DNA methylation patterns and expressions in different cold treatments (cold memory and cold shock), such as CuAO, RPB1, and DHE1. The application of a DNA methylation inhibitor caused a change of the free lysine content, suggesting that DNA methylation can affect metabolite accumulation for Tartary buckwheat cold responses. The results of the present study suggest important roles of DNA methylation in regulating cold response and forming agronomic traits in Tartary buckwheat.
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Affiliation(s)
- Yuan Song
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Zhifeng Jia
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - Yukang Hou
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Xiang Ma
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - Lizhen Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Xing Jin
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Lizhe An
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, China
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28
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Mphaphuli T, Slabbert RM, Sivakumar D. Storage temperature and time changes of phenolic compounds and antioxidant properties of Natal plum (Carissa macrocarpa). FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100772] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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29
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Barnaby JY, Kim J, Devi MJ, Fleisher DH, Tucker ML, Reddy VR, Sicher RC. Varying Atmospheric CO 2 Mediates the Cold-Induced CBF-Dependent Signaling Pathway and Freezing Tolerance in Arabidopsis. Int J Mol Sci 2020; 21:ijms21207616. [PMID: 33076265 PMCID: PMC7593905 DOI: 10.3390/ijms21207616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 11/16/2022] Open
Abstract
Changes in the stomatal aperture in response to CO2 levels allow plants to manage water usage, optimize CO2 uptake and adjust to environmental stimuli. The current study reports that sub-ambient CO2 up-regulated the low temperature induction of the C-repeat Binding Factor (CBF)-dependent cold signaling pathway in Arabidopsis (Arabidopsis thaliana) and the opposite occurred in response to supra-ambient CO2. Accordingly, cold induction of various downstream cold-responsive genes was modified by CO2 treatments and expression changes were either partially or fully CBF-dependent. Changes in electrolyte leakage during freezing tests were correlated with CO2′s effects on CBF expression. Cold treatments were also performed on Arabidopsis mutants with altered stomatal responses to CO2, i.e., high leaf temperature 1-2 (ht1-2, CO2 hypersensitive) and β-carbonic anhydrase 1 and 4 (ca1ca4, CO2 insensitive). The cold-induced expression of CBF and downstream CBF target genes plus freezing tolerance of ht1-2 was consistently less than that for Col-0, suggesting that HT1 is a positive modulator of cold signaling. The ca1ca4 mutant had diminished CBF expression during cold treatment but the downstream expression of cold-responsive genes was either similar to or greater than that of Col-0. This finding suggested that βCA1/4 modulates the expression of certain cold-responsive genes in a CBF-independent manner. Stomatal conductance measurements demonstrated that low temperatures overrode low CO2-induced stomatal opening and this process was delayed in the cold tolerant mutant, ca1ca4, compared to the cold sensitive mutant, ht1-2. The similar stomatal responses were evident from freezing tolerant line, Ox-CBF, overexpression of CBF3, compared to wild-type ecotype Ws-2. Together, these results indicate that CO2 signaling in stomata and CBF-mediated cold signaling work coordinately in Arabidopsis to manage abiotic stress.
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Affiliation(s)
- Jinyoung Y. Barnaby
- Adaptive Cropping Systems Laboratory, Agricultural Research Service, USDA, Building 001, 10300 Baltimore Ave., Beltsville, MD 20705, USA; (M.J.D.); (D.H.F.); (V.R.R.); (R.C.S.)
- Dale Bumpers National Rice Research Center, Agricultural Research Service, USDA, Building 001, 10300 Baltimore Ave., Beltsville, MD 20705, USA
- Correspondence: ; Tel.:+1-301-504-8436
| | - Joonyup Kim
- Soybean Genomics and Improvement Laboratory, Agricultural Research Service, USDA, Building 006, 10300 Baltimore Ave., Beltsville, MD 20705, USA; (J.K.); (M.L.T.)
| | - Mura Jyostna Devi
- Adaptive Cropping Systems Laboratory, Agricultural Research Service, USDA, Building 001, 10300 Baltimore Ave., Beltsville, MD 20705, USA; (M.J.D.); (D.H.F.); (V.R.R.); (R.C.S.)
| | - David H. Fleisher
- Adaptive Cropping Systems Laboratory, Agricultural Research Service, USDA, Building 001, 10300 Baltimore Ave., Beltsville, MD 20705, USA; (M.J.D.); (D.H.F.); (V.R.R.); (R.C.S.)
| | - Mark L. Tucker
- Soybean Genomics and Improvement Laboratory, Agricultural Research Service, USDA, Building 006, 10300 Baltimore Ave., Beltsville, MD 20705, USA; (J.K.); (M.L.T.)
| | - Vangimalla R. Reddy
- Adaptive Cropping Systems Laboratory, Agricultural Research Service, USDA, Building 001, 10300 Baltimore Ave., Beltsville, MD 20705, USA; (M.J.D.); (D.H.F.); (V.R.R.); (R.C.S.)
| | - Richard C. Sicher
- Adaptive Cropping Systems Laboratory, Agricultural Research Service, USDA, Building 001, 10300 Baltimore Ave., Beltsville, MD 20705, USA; (M.J.D.); (D.H.F.); (V.R.R.); (R.C.S.)
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Bittner A, van Buer J, Baier M. Cold priming uncouples light- and cold-regulation of gene expression in Arabidopsis thaliana. BMC PLANT BIOLOGY 2020; 20:281. [PMID: 32552683 PMCID: PMC7301481 DOI: 10.1186/s12870-020-02487-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 06/10/2020] [Indexed: 05/20/2023]
Abstract
BACKGROUND The majority of stress-sensitive genes responds to cold and high light in the same direction, if plants face the stresses for the first time. As shown recently for a small selection of genes of the core environmental stress response cluster, pre-treatment of Arabidopsis thaliana with a 24 h long 4 °C cold stimulus modifies cold regulation of gene expression for up to a week at 20 °C, although the primary cold effects are reverted within the first 24 h. Such memory-based regulation is called priming. Here, we analyse the effect of 24 h cold priming on cold regulation of gene expression on a transcriptome-wide scale and investigate if and how cold priming affects light regulation of gene expression. RESULTS Cold-priming affected cold and excess light regulation of a small subset of genes. In contrast to the strong gene co-regulation observed upon cold and light stress in non-primed plants, most priming-sensitive genes were regulated in a stressor-specific manner in cold-primed plant. Furthermore, almost as much genes were inversely regulated as co-regulated by a 24 h long 4 °C cold treatment and exposure to heat-filtered high light (800 μmol quanta m- 2 s- 1). Gene ontology enrichment analysis revealed that cold priming preferentially supports expression of genes involved in the defence against plant pathogens upon cold triggering. The regulation took place on the cost of the expression of genes involved in growth regulation and transport. On the contrary, cold priming resulted in stronger expression of genes regulating metabolism and development and weaker expression of defence genes in response to high light triggering. qPCR with independently cultivated and treated replicates confirmed the trends observed in the RNASeq guide experiment. CONCLUSION A 24 h long priming cold stimulus activates a several days lasting stress memory that controls cold and light regulation of gene expression and adjusts growth and defence regulation in a stressor-specific manner.
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Affiliation(s)
- Andras Bittner
- Plant Physiology, Freie Universität Berlin, Dahlem Centre of Plant Sciences, Königin-Luise-Straße 12-16, 14195 Berlin, Germany
| | - Jörn van Buer
- Plant Physiology, Freie Universität Berlin, Dahlem Centre of Plant Sciences, Königin-Luise-Straße 12-16, 14195 Berlin, Germany
| | - Margarete Baier
- Plant Physiology, Freie Universität Berlin, Dahlem Centre of Plant Sciences, Königin-Luise-Straße 12-16, 14195 Berlin, Germany
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Coleine C, Gevi F, Fanelli G, Onofri S, Timperio AM, Selbmann L. Specific adaptations are selected in opposite sun exposed Antarctic cryptoendolithic communities as revealed by untargeted metabolomics. PLoS One 2020; 15:e0233805. [PMID: 32460306 PMCID: PMC7253227 DOI: 10.1371/journal.pone.0233805] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 05/12/2020] [Indexed: 12/18/2022] Open
Abstract
Antarctic cryptoendolithic communities are self-supporting borderline ecosystems spreading across the extreme conditions of the Antarctic desert and represent the predominant life-form in the ice-free areas of McMurdo Dry Valleys, accounted as the closest terrestrial Martian analogue. Components of these communities are highly adapted extremophiles and extreme-tolerant microorganisms, among the most resistant known to date. Recently, studies investigated biodiversity and community composition in these ecosystems but the metabolic activity of the metacommunity has never been investigated. Using an untargeted metabolomics, we explored stress-response of communities spreading in two sites of the same location, subjected to increasing environmental pressure due to opposite sun exposure, accounted as main factor influencing the diversity and composition of these ecosystems. Overall, 331 altered metabolites (206 and 125 unique for north and south, respectively), distinguished the two differently exposed communities. We also selected 10 metabolites and performed two-stage Receiver Operating Characteristic (ROC) analysis to test them as potential biomarkers. We further focused on melanin and allantoin as protective substances; their concentration was highly different in the community in the shadow or in the sun. These results clearly indicate that opposite insolation selected organisms in the communities with different adaptation strategies in terms of key metabolites produced.
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Affiliation(s)
- Claudia Coleine
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
| | - Federica Gevi
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
- Department of Science and Technology for Agriculture, Forestry, Nature and Energy, University of Tuscia, Viterbo, Italy
| | - Giuseppina Fanelli
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
- Department of Science and Technology for Agriculture, Forestry, Nature and Energy, University of Tuscia, Viterbo, Italy
| | - Silvano Onofri
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
| | - Anna Maria Timperio
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
- Department of Science and Technology for Agriculture, Forestry, Nature and Energy, University of Tuscia, Viterbo, Italy
- * E-mail: (AMT); (LS)
| | - Laura Selbmann
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
- Italian National Antarctic Museum (MNA), Mycological Section, Genoa, Italy
- * E-mail: (AMT); (LS)
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32
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Yang Y, Shi D, Wang Y, Zhang L, Chen X, Yang X, Xiong H, Bhattarai G, Ravelombola W, Olaoye D, Yang G, Shi A. Transcript profiling for regulation of sweet potato skin color in Sushu8 and its mutant Zhengshu20. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 148:1-9. [PMID: 31923733 DOI: 10.1016/j.plaphy.2019.12.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 12/24/2019] [Accepted: 12/26/2019] [Indexed: 06/10/2023]
Abstract
Sweet potato [Ipomoea batatas (L.) Lam.] (2n = 6x = 90) is an economic important autopolyploid species and its varieties differ regarding storage root skin and flesh colors. Two sweet potato genetic lines, Sushu8 (with red skin) and its mutant Zhengshu20, which produced different colored storage roots, were used in this study. The total flavonoid, carotenoid, and anthocyanin contents of the two lines were analyzed and revealed that anthocyanin was primarily responsible for the skin color difference. In addition, the early storage root expanding stage was the key period for anthocyanin accumulation in Sushu8. A total of 24 samples, including the skins of the fibrous root and the storage root at the early and middle expanding stages as well as the flesh of the storage root at the middle expanding stage, were analyzed based on differentially expressed genes identified by transcriptome sequencing and a weighted gene co-expression network analysis. Two gene modules highly related with the regulation of sweet potato skin color through stress responses as well as starch synthesis and glucose metabolism were identified. Furthermore, the WRKY75 transcription factor gene, fructose-bisphosphate aldolase 2 gene, and other DEGs highly related to the regulation of anthocyanin metabolism were enriched in the brown and green modules.
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Affiliation(s)
- Yufeng Yang
- Cereal Crop Institute, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China; Department of Horticulture, University of Arkansas, Fayetteville, AR72701, USA.
| | - Dianyi Shi
- College of Life Sciences, Neijiang Normal University, Neijiang, 641100, China.
| | - Yannan Wang
- Cereal Crop Institute, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China.
| | - Li Zhang
- Cereal Crop Institute, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China.
| | - Xiangong Chen
- Cereal Crop Institute, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China.
| | - Xiaoping Yang
- Cereal Crop Institute, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China.
| | - Haizheng Xiong
- Department of Horticulture, University of Arkansas, Fayetteville, AR72701, USA.
| | - Gehendra Bhattarai
- Department of Horticulture, University of Arkansas, Fayetteville, AR72701, USA.
| | - Waltram Ravelombola
- Department of Horticulture, University of Arkansas, Fayetteville, AR72701, USA.
| | - Dotun Olaoye
- Department of Horticulture, University of Arkansas, Fayetteville, AR72701, USA.
| | - Guohong Yang
- Cereal Crop Institute, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China.
| | - Ainong Shi
- Department of Horticulture, University of Arkansas, Fayetteville, AR72701, USA.
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Guo J, Zhou X, Wang T, Wang G, Cao F. Regulation of flavonoid metabolism in ginkgo leaves in response to different day-night temperature combinations. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 147:133-140. [PMID: 31862579 DOI: 10.1016/j.plaphy.2019.12.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 12/07/2019] [Accepted: 12/09/2019] [Indexed: 05/28/2023]
Abstract
Flavonoids are the most important secondary metabolites in ginkgo (Ginkgo biloba L.) leaves that determine its medicinal quality. Studies have suggested that secondary metabolism is strongly affected by temperature in other plant species, but little is known about ginkgo. In this study, we investigated the effects of different day-night temperature combinations (15/10, 25/20, and 35/30 °C (day/night)) on key enzyme activity, growth regulator concentrations, and flavonoid accumulation in ginkgo leaves. We found that phenylalanine ammonia-lyase (PAL) activity was enhanced and inhibited at 15/10 and 35/30 °C, respectively. Cinnamate-4-hydroxylase (C4H) activity was relatively stable under the three temperature conditions, and the p-coumarate CoA ligase (4CL) activity showed different trends under the three temperature conditions. The concentrations of flavonoid constituents (quercetin, kaempferol, and isorhamnetin) were decreased and increased under the 35/30 and 15/10 °C conditions, respectively. Low temperature promoted soluble sugar accumulation, while temperature had a limited impact on the accumulation of soluble protein. The pattern of change in the total flavonoid concentration was not always in agreement with PAL activity due to its complex pathway. Indoleacetic acid (IAA) and gibberellin (GA) changes shared similar patterns and had limited effects on flavonoid accumulation, while abscisic acid (ABA) acted as a promotor of flavonoid accumulation under high-temperature conditions. The total flavonoids achieved the highest content under the 15/10 °C treatment on the 40th day. Therefore, the lower temperature (15/10 °C) is more favorable for flavonoid accumulation and will provide a theoretical basis for further study.
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Affiliation(s)
- Jing Guo
- Nanjing Forestry University, Co-Innovation Centre for Sustainable Forestry in Southern China, 159 Longpan Road, Nanjing, 210037, China; Department of Forest and Conservation Sciences, Faculty of Forestry, The University of British Columbia, Vancouver, V6T 1Z4, Canada
| | - Xin Zhou
- Nanjing Forestry University, Co-Innovation Centre for Sustainable Forestry in Southern China, 159 Longpan Road, Nanjing, 210037, China
| | - Tongli Wang
- Department of Forest and Conservation Sciences, Faculty of Forestry, The University of British Columbia, Vancouver, V6T 1Z4, Canada
| | - Guibin Wang
- Nanjing Forestry University, Co-Innovation Centre for Sustainable Forestry in Southern China, 159 Longpan Road, Nanjing, 210037, China.
| | - Fuliang Cao
- Nanjing Forestry University, Co-Innovation Centre for Sustainable Forestry in Southern China, 159 Longpan Road, Nanjing, 210037, China
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Transcriptomic Analyses of Camellia oleifera 'Huaxin' Leaf Reveal Candidate Genes Related to Long-Term Cold Stress. Int J Mol Sci 2020; 21:ijms21030846. [PMID: 32013013 PMCID: PMC7037897 DOI: 10.3390/ijms21030846] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 01/22/2020] [Accepted: 01/22/2020] [Indexed: 12/29/2022] Open
Abstract
‘Huaxin’ is a new high-yielding timber cultivar of Camellia oleifera of high economic value, and has been widely cultivated in the red soil hilly region of Hunan Province of the People´s Republic of China in recent years. However, its quality and production are severely affected by low temperatures during flowering. To find genes related to cold tolerance and further explore new candidategenes for chilling-tolerance, Illumina NGS (Next Generation Sequencing) technology was used to perform transcriptomic analyses of C. oleifera ‘Huaxin’ leaves under long-term cold stress. Nine cDNA libraries were sequenced, and 58.31 Gb high-quality clean reads were obtained with an average of 5.92 Gb reads for each sample. A total of 191,150 transcripts were obtained after assembly. Among them, 100,703 unigenes were generated, and 44,610 unigenes were annotated. In total, 1564 differentially expressed genes (DEGs) were identified both in the A_B and A_C gene sets. In the current study, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed, andrevealed a group of cold-responsive genes related to hormone regulation, photosynthesis, membrane systems, and osmoregulation; these genes encoded many key proteins in plant biological processes, such as serine/threonine-protein kinase (STPK), transcription factors (TFs), fatty acid desaturase (FAD), lipid-transfer proteins (LTPs), soluble sugars synthetases, and flavonoid biosynthetic enzymes. Some physiological indicators of C. oleifera ‘Huaxin’ were determined under three temperature conditions, and the results were consistent with the molecular sequencing. In addition, the expression levels of 12 DEGs were verified using quantitative real-time polymerase chain reaction (qRT-PCR). In summary, the results of DEGs analysis together with qRT-PCR tests contribute to the understanding of cold tolerance and further exploring new candidate genes for chilling-tolerance in molecular breeding programs of C. oleifera ‘Huaxin’.
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Acclimation, priming and memory in the response of Arabidopsis thaliana seedlings to cold stress. Sci Rep 2020; 10:689. [PMID: 31959824 PMCID: PMC6971231 DOI: 10.1038/s41598-019-56797-x] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 11/28/2019] [Indexed: 11/16/2022] Open
Abstract
Because stress experiences are often recurrent plants have developed strategies to remember a first so-called priming stress to eventually respond more effectively to a second triggering stress. Here, we have studied the impact of discontinuous or sustained cold stress (4 °C) on in vitro grown Arabidopsis thaliana seedlings of different age and their ability to get primed and respond differently to a later triggering stress. Cold treatment of 7-d-old seedlings induced the expression of cold response genes but did not cause a significantly enhanced freezing resistance. The competence to increase the freezing resistance in response to cold was associated with the formation of true leaves. Discontinuous exposure to cold only during the night led to a stepwise modest increase in freezing tolerance provided that the intermittent phase at ambient temperature was less than 32 h. Seedlings exposed to sustained cold treatment developed a higher freezing tolerance which was further increased in response to a triggering stress during three days after the priming treatment had ended indicating cold memory. Interestingly, in all scenarios the primed state was lost as soon as the freezing tolerance had reached the level of naïve plants indicating that an effective memory was associated with an altered physiological state. Known mutants of the cold stress response (cbfs, erf105) and heat stress memory (fgt1) did not show an altered behaviour indicating that their roles do not extend to memory of cold stress in Arabidopsis seedlings.
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Albogami S, Darwish H, Abdelmigid HM, Alotaibi S, El-Deen AN, Alnefaie A, Alattas A. Anticancer Potential of Calli Versus Seedling Extracts Derived from Rosmarinus officinalis and Coleus hybridus. Curr Pharm Biotechnol 2020; 21:1528-1538. [PMID: 32188380 DOI: 10.2174/1389201021666200318114817] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/01/2019] [Accepted: 02/23/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND In Saudi Arabia, the incidence and mortality rates of breast cancer are high. Although current treatments are effective, breast cancer cells develop resistance to these treatments. Numerous studies have demonstrated that active compounds in plant extracts, such as the phenolic compound Rosmarinic Acid (RA), exert anti-cancer effects. OBJECTIVE We investigated the anticancer properties of methanolic crude extracts of seedlings and calli of Rosmarinus officinalis and Coleus hybridus, two Lamiaceae species. METHODS MCF-7 human breast cancer cells were treated with methanolic crude extracts obtained from plant calli and seedlings generated in vitro, and cell proliferation was evaluated. Transcriptional profiling of the seedling and callus tissues was also conducted. RESULTS The mRNA expression levels of RA genes were higher in C. hybridus seedlings than in R. officinalis seedlings, as well as in C. hybridus calli than in R. officinalis calli, except for TAT and C4H. In addition, seedling and callus extracts of both R. officinalis and C. hybridus showed anti-proliferative effects against MCF-7 cells after 24 or 48 h of treatment. DISCUSSION At a low concentration of 10 μg/mL, C. hybridus calli and seedling extracts showed the most significant anti-proliferative effects after 24 and 48 h of exposure (p < 0.01); controls (doxorubicin) also showed significant inhibition, but lesser than that observed with C. hybridus (p < 0.05). Results with R. officinalis callus and seedling extracts did not significantly differ from those with untreated cells. CONCLUSION Methanolic extracts of R. officinalis and C. hybridus are potentially valuable options for breast cancer treatment.
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Affiliation(s)
- Sarah Albogami
- Department of Biotechnology, Faculty of Science, Taif University, Taif, Saudi Arabia
| | - Hadeer Darwish
- Department of Biotechnology, Faculty of Science, Taif University, Taif, Saudi Arabia
| | - Hala M Abdelmigid
- Department of Biotechnology, Faculty of Science, Taif University, Taif, Saudi Arabia
| | - Saqer Alotaibi
- Department of Biotechnology, Faculty of Science, Taif University, Taif, Saudi Arabia
| | - Ahmed Nour El-Deen
- Department of Biology, Faculty of Sciences, Taif University, Saudi Arabia
| | - Alaa Alnefaie
- Department of Biotechnology, Faculty of Science, Taif University, Taif, Saudi Arabia
| | - Afnan Alattas
- Department of Biotechnology, Faculty of Science, Taif University, Taif, Saudi Arabia
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ElSayed AI, El-hamahmy MAM, Rafudeen MS, Mohamed AH, Omar AA. The Impact of Drought Stress on Antioxidant Responses and Accumulation of Flavonolignans in Milk Thistle ( Silybum marianum (L.) Gaertn). PLANTS (BASEL, SWITZERLAND) 2019; 8:E611. [PMID: 31888166 PMCID: PMC6963737 DOI: 10.3390/plants8120611] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/22/2019] [Accepted: 12/13/2019] [Indexed: 01/24/2023]
Abstract
Biosynthesis and accumulation of flavonolignans in plants are influenced by different environmental conditions. Biosynthesis and accumulation of silymarin in milk thistle (Silybum marianum L.) were studied under drought stress with respect to the antioxidant defense system at the physiological and gene expression level. The results revealed a reduction in leaf chlorophyll, ascorbic acid, and glutathione contents. In contrast, H2O2, proline, and antioxidative enzyme activities, such as superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), ascorbate peroxidase (APX), and glutathione reductase (GR), were increased. These results confirmed that milk thistle undergoes oxidative stress under drought stress. Furthermore, transcription levels of APX, SOD, CAT, 1-Cys-Prx, and PrxQ were significantly increased in milk thistle under drought stress. Overall this suggests that protection against reactive oxygen species and peroxidation reactions in milk thistle are provided by enzymatic and non-enzymatic antioxidants. Flavonolignans from milk thistle seeds after different drought treatments were quantified by high-performance liquid chromatography (HPLC) and showed that severe drought stress enhanced the accumulation of silymarin and its components compared with seeds from the control (100% water capacity). Silybin is the major silymarin component and the most bioactive ingredient of the milk thistle extract. Silybin accumulation was the highest among all silymarin components in seeds obtained from drought-stressed plants. The expression of the chalcone synthase (CHS) genes (CHS1, CHS2, and CHS3), which are associated with the silybin biosynthetic pathway, was also increased during drought stress. These results indicated that milk thistle exhibits tolerance to drought stress and that seed derived from severe drought-stressed plants had higher levels of silymarin.
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Affiliation(s)
- Abdelaleim I. ElSayed
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44519, Egypt
| | - Mohamed A. M. El-hamahmy
- Department of Agricultural Botany, Faculty of Agriculture, Suez Canal University, Ismailia 41522, Egypt
| | - Mohammed S. Rafudeen
- Department of Molecular and Cell Biology, University of Cape Town, Private Bag, Rondebosch 7701, South Africa;
| | - Azza H. Mohamed
- Agricultural Chemistry Department, Faculty of Agricultural, Mansoura University, Mansoura 35516, Egypt;
- Citrus Research and Education Center, University of Florida, IFAS, Lake Alfred, FL 33850, USA
| | - Ahmad A. Omar
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44519, Egypt
- Citrus Research and Education Center, University of Florida, IFAS, Lake Alfred, FL 33850, USA
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Du B, Kruse J, Winkler JB, Alfarray S, Schnitzler JP, Ache P, Hedrich R, Rennenberg H. Climate and development modulate the metabolome and antioxidative system of date palm leaves. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:5959-5969. [PMID: 31375818 PMCID: PMC6812712 DOI: 10.1093/jxb/erz361] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 07/22/2019] [Indexed: 06/10/2023]
Abstract
Date palms are remarkably tolerant to environmental stresses, but the mechanisms involved remain poorly characterized. Leaf metabolome profiling was therefore performed on mature (ML) and young (YL) leaves of 2-year-old date palm seedlings that had been grown in climate chambers that simulate summer and winter conditions in eastern Saudi Arabia. Cultivation under high temperature (summer climate) resulted in higher YL H2O2 leaf levels despite increases in dehydroascorbate reductase (DHAR) activities. The levels of raffinose and galactinol, tricarboxylic acid cycle intermediates, and total amino acids were higher under these conditions, particularly in YL. The accumulation of unsaturated fatty acids, 9,12-octadecadienoic acid and 9,12,15-octadecatrienoic acid, was lower in ML. In contrast, the amounts of saturated tetradecanoic acid and heptadecanoic acid were increased in YL under summer climate conditions. The accumulation of phenolic compounds was favored under summer conditions, while flavonoids accumulated under lower temperature (winter climate) conditions. YL displayed stronger hydration, lower H2O2 levels, and more negative δ 13C values, indicating effective reactive oxygen species scavenging. These findings, which demonstrate the substantial metabolic adjustments that facilitate tolerance to the high temperatures in YL and ML, suggest that YL may be more responsive to climate change.
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Affiliation(s)
- Baoguo Du
- College of Life Science and Biotechnology, Mianyang Normal University, Mianyang, China
- Chair of Tree Physiology, Institute of Forest Sciences, Albert-Ludwigs-Universitat Freiburg, Freiburg, Germany
| | - Joerg Kruse
- Chair of Tree Physiology, Institute of Forest Sciences, Albert-Ludwigs-Universitat Freiburg, Freiburg, Germany
| | - Jana Barbro Winkler
- Helmholtz Zentrum München, Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Neuherberg, Germany
| | | | - Joerg-Peter Schnitzler
- Helmholtz Zentrum München, Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Neuherberg, Germany
| | - Peter Ache
- Institute for Molecular Plant Physiology and Biophysics, Biocenter, University of Würzburg, Würzburg, Germany
| | - Rainer Hedrich
- Institute for Molecular Plant Physiology and Biophysics, Biocenter, University of Würzburg, Würzburg, Germany
| | - Heinz Rennenberg
- Chair of Tree Physiology, Institute of Forest Sciences, Albert-Ludwigs-Universitat Freiburg, Freiburg, Germany
- King Saud University, Riyadh, Saudi Arabia
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Nakatsuka T, Suzuki T, Harada K, Kobayashi Y, Dohra H, Ohno H. Floral organ- and temperature-dependent regulation of anthocyanin biosynthesis in Cymbidium hybrid flowers. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2019; 287:110173. [PMID: 31481204 DOI: 10.1016/j.plantsci.2019.110173] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 06/17/2019] [Accepted: 06/20/2019] [Indexed: 05/24/2023]
Abstract
Anthocyanins are responsible for red, purple, and pink pigmentation of flowers in Cymbidium hybrids. Although anthocyanin content in all floral organs increases with flower development, they increase markedly in the tepals compared with the labella or columns. Using next-generation sequencing technology, we identified three anthocyanin biosynthesis regulatory genes, CyMYB1, CybHLH1, and CybHLH2, from Cymbidium 'Mystique'. Yeast two-hybrid analysis showed that the CyMYB1 protein can form a heterodimer with either CybHLH1 or CybHLH2. In the tepals, the expression level of CyMYB1 increased as the flower developed, whereas the high expression level of CyMYB1 was detected at the early flower developmental stages in the labella and columns, remaining constant until increasing at the late developmental stage. These expression profiles of CyMYB1 positively correlated with the profiles of anthocyanin accumulation in the tepals. When Cymbidium Sazanami 'Champion' was grown at 30 °C/25 °C, reduced anthocyanin levels were observed, specifically in the tepals, compared with those in flowers grown at 20 °C/15 °C. The transcription of CyMYB1 in the tepals was suppressed at high temperatures, and the expressions of CyDFR and CyANS were also synchronously suppressed. This study revealed that CyMYB1 activates the transcription of CyDFR and CyANS and regulates the temporal- and temperature-dependent anthocyanin accumulation in Cymbidium tepals.
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Affiliation(s)
- Takashi Nakatsuka
- Faculty of Agriculture, Shizuoka University, Shizuoka, 422-8529, Japan; College of Agriculture, Academic Institute, Shizuoka University, Shizuoka, 422-8529, Japan.
| | - Tomohiro Suzuki
- Research Institute of Green Science and Technology, Shizuoka University, Shizuoka, 422-8529, Japan; Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, 321-8508, Japan
| | - Kenji Harada
- Faculty of Agriculture, Shizuoka University, Shizuoka, 422-8529, Japan
| | - Yuki Kobayashi
- Faculty of Agriculture, Shizuoka University, Shizuoka, 422-8529, Japan
| | - Hideo Dohra
- Research Institute of Green Science and Technology, Shizuoka University, Shizuoka, 422-8529, Japan
| | - Hajime Ohno
- Faculty of Agriculture, Shizuoka University, Shizuoka, 422-8529, Japan; College of Agriculture, Academic Institute, Shizuoka University, Shizuoka, 422-8529, Japan
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Liu Y, Lin-Wang K, Espley RV, Wang L, Li Y, Liu Z, Zhou P, Zeng L, Zhang X, Zhang J, Allan AC. StMYB44 negatively regulates anthocyanin biosynthesis at high temperatures in tuber flesh of potato. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:3809-3824. [PMID: 31020330 PMCID: PMC6685667 DOI: 10.1093/jxb/erz194] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Accepted: 04/11/2019] [Indexed: 05/23/2023]
Abstract
High temperatures are known to reduce anthocyanin accumulation in a number of diverse plant species. In potato (Solanum tuberosum L.), high temperature significantly reduces tuber anthocyanin pigment content. However, the mechanism of anthocyanin biosynthesis in potato tuber under heat stress remains unknown. Here we show that high temperature causes reduction of anthocyanin biosynthesis in both potato tuber skin and flesh, with white areas forming between the vasculature and periderm. Heat stress reduced the expression of the R2R3 MYB transcription factors (TFs) StAN1 and StbHLH1, members of the transcriptional complex responsible for coordinated regulation of the skin and flesh pigmentation, as well as anthocyanin biosynthetic pathway genes in white regions. However, the core phenylpropanoid pathway, lignin, and chlorogenic acid (CGA) pathway genes were up-regulated in white areas, suggesting that suppression of the anthocyanin branch may result in re-routing phenylpropanoid flux into the CGA or lignin biosynthesis branches. Two R2R3 MYB TFs, StMYB44-1 and StMYB44-2, were highly expressed in white regions under high temperature. In transient assays, StMYB44 represses anthocyanin accumulation in leaves of Nicotiana tabacum and N. benthamiana by directly suppressing the activity of the dihydroflavonol reductase (DFR) promoter. StMYB44-1 showed stronger repressive capacity than StMYB44-2, with both predicted proteins containing the repression-associated EAR motif with some variation. StMYB44-1 conferred repression without a requirement for a basic helix-loop-helix (bHLH) partner, suggesting a different repression mechanism from that of reported anthocyanin repressors. We propose that temperature-induced reduction of anthocyanin accumulation in potato flesh is caused by down-regulation of the activating anthocyanin regulatory complex, by enhancing the expression of flesh-specific StMYB44 and alteration of phenylpropanoid flux.
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Affiliation(s)
- Yuhui Liu
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
| | - Kui Lin-Wang
- The New Zealand Institute for Plant & Food Research Limited (Plant & Food Research) Mt Albert, Auckland, New Zealand
| | - Richard V Espley
- The New Zealand Institute for Plant & Food Research Limited (Plant & Food Research) Mt Albert, Auckland, New Zealand
| | - Li Wang
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
- College of Life Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Yuanming Li
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Zhen Liu
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Ping Zhou
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Lihui Zeng
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
| | | | - Junlian Zhang
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Andrew C Allan
- The New Zealand Institute for Plant & Food Research Limited (Plant & Food Research) Mt Albert, Auckland, New Zealand
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
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Seasonal Variation in Phenolic Compounds and Antioxidant Activity in Leaves of Cyclocarya paliurus (Batal.) Iljinskaja. FORESTS 2019. [DOI: 10.3390/f10080624] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Cyclocarya paliurus (Batal.) Iljinskaja is a plant with nutraceutical importance since its leaves have been used historically as folk medicines for hundreds of years. The content of 10 phenolic compounds was determined throughout the growing season by high-performance liquid chromatography (HPLC) with UV detector, while the antioxidant activities of C. paliurus leaf extracts were evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radical cation (ABTS), and ferric reducing antioxidant power (FRAP) methods. Seasonal variations in phenolic concentration and antioxidant activity as well as linkage between the phenolic composition and antioxidant activity were assessed. A significant seasonal variation of phenolic compounds was observed in the leaves and the highest content appeared in May, July, and November. Seventy percent ethanol extract of C. paliurus leaves possessed a good radical scavenging potency. Meanwhile, a significant correlation between antioxidant activities and contents of phenolics was detected. Results of the relationship between molecular structures and their antioxidant activities showed that both the number and configuration of H-donating hydroxyl groups are the main structural features influencing the antioxidant capacity of phenolics, while glycosylation may reduce the antioxidant capacity. The information provided by this study not only revealed the accumulative dynamics of phenolic compounds, but also established a basis for determining the optimal time for harvesting to improve the content of beneficial compounds in the leaves of C. paliurus in the future.
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A MYB-Related Transcription Factor from Lilium lancifolium L. (LlMYB3) Is Involved in Anthocyanin Biosynthesis Pathway and Enhances Multiple Abiotic Stress Tolerance in Arabidopsis thaliana. Int J Mol Sci 2019; 20:ijms20133195. [PMID: 31261872 PMCID: PMC6651583 DOI: 10.3390/ijms20133195] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 06/27/2019] [Accepted: 06/27/2019] [Indexed: 12/24/2022] Open
Abstract
Most commercial cultivars of lily are sensitive to abiotic stresses. However, tiger lily (Lilium lancifolium L.), one of the most widely distributed wild lilies in Asia, has strong abiotic stresses resistance. Thus, it is indispensable to identify stress-responsive candidate genes in tiger lily for the stress resistance improvement of plants. In this study, a MYB related homolog (LlMYB3) from tiger lily was functionally characterized as a positive regulator in plant stress tolerance. LlMYB3 is a nuclear protein with transcriptional activation activity at C-terminus. The expression of LlMYB3 gene was induced by multiple stress treatments. Several stress-related cis-acting regulatory elements (MYBRS, MYCRS, LTRE and DRE/CRT) were located within the promoter of LlMYB3; however, the promoter activity was not induced sufficiently by various stresses treatments. Overexpressing LlMYB3 in Arabidopsis thaliana L. transgenic plants showed ABA hypersensitivity and enhanced tolerance to cold, drought, and salt stresses. Furthermore, we found LlMYB3 highly co-expressed with LlCHS2 gene under cold treatment; yeast one-hybrid (Y1H) assays demonstrated LlMYB3 was able to bind to the promoter of LlCHS2. These findings suggest that the stress-responsive LlMYB3 may be involved in anthocyanin biosynthesis pathway to regulate stress tolerance of tiger lily.
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Yu H, Wang J, Sheng X, Zhao Z, Shen Y, Branca F, Gu H. Construction of a high-density genetic map and identification of loci controlling purple sepal trait of flower head in Brassica oleracea L. italica. BMC PLANT BIOLOGY 2019; 19:228. [PMID: 31146678 PMCID: PMC6543578 DOI: 10.1186/s12870-019-1831-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 05/14/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Some broccoli (Brassica oleracea L. italic) accessions have purple sepals and cold weather would deepen the purple color, while the sepals of other broccoli lines are always green even in cold winter. The related locus or gene is still unknown. In this study, a high-density genetic map was constructed based on specific locus amplified fragment (SLAF) sequencing in a doubled-haploid segregation population with 127 individuals. And mapping of the purple sepal trait in flower heads based on phenotypic data collected during three seasons was performed. RESULTS A genetic map was constructed, which contained 6694 SLAF markers with an average sequencing depth of 81.37-fold in the maternal line, 84-fold in the paternal line, and 15.76-fold in each individual population studied. In all of the annual data recorded, three quantitative trait loci (QTLs) were identified that were all distributed within the linkage group (LG) 1. Among them, a major locus, qPH.C01-2, located at 36.393 cM LG1, was consistently detected in all analysis. Besides this locus, another two minor loci, qPH.C01-4 and qPH.C01-5, were identified near qPH.C01-2, based on the phenotypic data from spring of 2018. CONCLUSION The purple sepal trait could be controlled by a major single locus and two minor loci. The genetic map and location of the purple sepal trait of flower heads provide an important foundation for mapping other compound traits and the identification of the genes related to purple sepal trait in broccoli.
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Affiliation(s)
- Huifang Yu
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Jiansheng Wang
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xiaoguang Sheng
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Zhenqing Zhao
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Yusen Shen
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Ferdinando Branca
- Department of Agriculture, Food and Environment, University of Catania, 95123 Catania, Italy
| | - Honghui Gu
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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Jin SW, Rahim MA, Jung HJ, Afrin KS, Kim HT, Park JI, Kang JG, Nou IS. Abscisic acid and ethylene biosynthesis-related genes are associated with anthocyanin accumulation in purple ornamental cabbage ( Brassica oleracea var. acephala). Genome 2019; 62:513-526. [PMID: 31132326 DOI: 10.1139/gen-2019-0038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Purple ornamental cabbage (Brassica oleracea var. acephala) is a popular decorative plant, cultivated for its colorful leaf rosettes that persist in cool weather. It is characterized by green outer leaves and purple inner leaves, whose purple pigmentation is due to the accumulation of anthocyanin pigments. Phytohormones play important roles in anthocyanin biosynthesis in other species. Here, we identified 14 and 19 candidate genes putatively involved in abscisic acid (ABA) and ethylene (ET) biosynthesis, respectively, in B. oleracea. We determined the expression patterns of these candidate genes by reverse-transcription quantitative PCR (RT-qPCR). Among candidate ABA biosynthesis-related genes, the expressions of BoNCED2.1, BoNCED2.2, BoNCED6, BoNCED9.1, and BoAAO3.2 were significantly higher in purple compared to green leaves. Likewise, most of the ET biosynthetic genes (BoACS6, BoACS9.1, BoACS11, BoACO1.1, BoACO1.2, BoACO3.1, BoACO4, and BoACO5) had significantly higher expression in purple compared to green leaves. Among these genes, BoNCED2.1, BoNCED2.2, BoACS11, and BoACO4 showed particularly strong associations with total anthocyanin content of the purple inner leaves. Our results suggest that ABA and ET might promote the intense purple pigmentation of the inner leaves of purple ornamental cabbage.
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Affiliation(s)
- Si-Won Jin
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Md Abdur Rahim
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Hee-Jeong Jung
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Khandker Shazia Afrin
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Hoy-Taek Kim
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Jong-In Park
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Jong-Goo Kang
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Ill-Sup Nou
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea.,Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
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45
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Production, Leaf Quality and Antioxidants of Perennial Wall Rocket as Affected by Crop Cycle and Mulching Type. AGRONOMY-BASEL 2019. [DOI: 10.3390/agronomy9040194] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The plastic mulch has raised a disposal issue, which has been diverting the research focus on biodegradable film as an alternative. Research was carried out in southern Italy in 2016–2017 and 2017–2018 in order to assess the effects of three crop cycles (autumn-winter, winter, spring) in factorial combination with three soil mulching types (a MaterBi biodegradable black film; a brown photoselective low density polyethylene (LDPE) film; a black-standard LDPE film) and a non-mulched control, on leaves yield, quality and antioxidants of greenhouse grown Diplotaxis tenuifolia (L.) D.C. The spring cycle was the shortest and best enhanced plant growth and yield. The non-mulched control caused an 11% yield reduction compared to the mulching treatments average (12.4 t ha−1). The soil temperature was highest under photoselective and standard LDPE films. The Soil Plant Analysis Development (SPAD) index was 17.4% higher in the leaves grown in mulched soil. Winter season and biodegradable mulch led to higher leaf dry residue and organic acids. Leaf nitrate content was highest in winter and under mulching. The spring cycle, the biodegradable and photoselective LDPE film resulted in the highest antioxidant compound content and activity. The biodegradable polymer improved leaf quality, showing suitable features for sustainable production.
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Fogelman E, Oren-Shamir M, Hirschberg J, Mandolino G, Parisi B, Ovadia R, Tanami Z, Faigenboim A, Ginzberg I. Nutritional value of potato (Solanum tuberosum) in hot climates: anthocyanins, carotenoids, and steroidal glycoalkaloids. PLANTA 2019; 249:1143-1155. [PMID: 30603793 DOI: 10.1007/s00425-018-03078-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 12/19/2018] [Indexed: 06/09/2023]
Abstract
Growth in hot climates selectively alters potato tuber secondary metabolism-such as the anthocyanins, carotenoids, and glycoalkaloids-changing its nutritive value and the composition of health-promoting components. Potato breeding for improved nutritional value focuses mainly on increasing the health-promoting carotenoids and anthocyanins, and controlling toxic steroidal glycoalkaloids (SGAs). Metabolite levels are genetically determined, but developmental, tissue-specific, and environmental cues affect their final content. Transcriptomic and metabolomic approaches were applied to monitor carotenoid, anthocyanin, and SGA metabolite levels and their biosynthetic genes' expression under heat stress. The studied cultivars differed in tuber flesh carotenoid concentration and peel anthocyanin concentration. Gene expression studies showed heat-induced downregulation of specific genes for SGA, anthocyanin, and carotenoid biosynthesis. KEGG database mapping of the heat transcriptome indicated reduced gene expression for specific metabolic pathways rather than a global heat response. Targeted metabolomics indicated reduced SGA concentration, but anthocyanin pigments concentration remained unchanged, probably due to their stabilization in the vacuole. Total carotenoid level did not change significantly in potato tuber flesh, but their composition did. Results suggest that growth in hot climates selectively alters tuber secondary metabolism, changing its nutritive value and composition of health-promoting components.
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Affiliation(s)
- Edna Fogelman
- Agricultural Research Organization, the Volcani Center, Institute of Plant Sciences, 68 HaMaccabim Road, P.O. Box 15159, 7505101, Rishon LeZion, Israel
| | - Michal Oren-Shamir
- Agricultural Research Organization, the Volcani Center, Institute of Plant Sciences, 68 HaMaccabim Road, P.O. Box 15159, 7505101, Rishon LeZion, Israel
| | - Joseph Hirschberg
- Department of Genetics, Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel
| | - Giuseppe Mandolino
- Research Centre for Cereal and Industrial Crops (CREA-CI), Via di Corticella, 133-40128, Bologna, Italy
| | - Bruno Parisi
- Research Centre for Cereal and Industrial Crops (CREA-CI), Via di Corticella, 133-40128, Bologna, Italy
| | - Rinat Ovadia
- Agricultural Research Organization, the Volcani Center, Institute of Plant Sciences, 68 HaMaccabim Road, P.O. Box 15159, 7505101, Rishon LeZion, Israel
| | - Zachariah Tanami
- Agricultural Research Organization, the Volcani Center, Institute of Plant Sciences, 68 HaMaccabim Road, P.O. Box 15159, 7505101, Rishon LeZion, Israel
| | - Adi Faigenboim
- Agricultural Research Organization, the Volcani Center, Institute of Plant Sciences, 68 HaMaccabim Road, P.O. Box 15159, 7505101, Rishon LeZion, Israel
| | - Idit Ginzberg
- Agricultural Research Organization, the Volcani Center, Institute of Plant Sciences, 68 HaMaccabim Road, P.O. Box 15159, 7505101, Rishon LeZion, Israel.
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Qiu Z, Wang H, Li D, Yu B, Hui Q, Yan S, Huang Z, Cui X, Cao B. Identification of Candidate HY5-Dependent and -Independent Regulators of Anthocyanin Biosynthesis in Tomato. PLANT & CELL PHYSIOLOGY 2019; 60:643-656. [PMID: 30597099 DOI: 10.1093/pcp/pcy236] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 12/05/2018] [Indexed: 05/24/2023]
Abstract
High quantities of anthocyanins in plants confer potential protective benefits against biotic and abiotic stressors. Studies have shown that the bZIP transcription factor HY5 plays a key role in controlling anthocyanin accumulation in response to light. However, in hy5 mutants, residual anthocyanins have been detected, indicating that other regulators exist to regulate anthocyanin biosynthesis in an HY5-independent manner. Here, we employed the CRISPR/Cas9 (clustered regularly interspersed short palindromic repeats/CRISPR-associated protein 9) system specifically to induce targeted mutagenesis of SlHY5 in the purple tomato cultivar 'Indigo Rose'. The T2 generation of tomato plants homozygous for the null allele of the SlHY5 frameshift mutated by a 1 bp insertion contained a lower anthocyanin content. Transcriptional analysis showed that most of the anthocyanin biosynthesis structural genes and several regulatory genes were down-regulated in the hy5 mutant lines. With transcriptome analyses of the various tissues from hy5 mutant lines, eight candidate transcription factors were identified that may regulate anthocyanin biosynthesis in an HY5-independent manner. These findings deepen our understanding of how light controls anthocyanin accumulation and facilitate the identification of the regulators of anthocyanin biosynthesis in an HY5-independent manner.
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Affiliation(s)
- Zhengkun Qiu
- Department of Vegetable Science, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Guangdong Vegetable Engineering and Technology Research Center, Guangzhou 510642, China
| | - Haijing Wang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 10081, China
| | - Dongjing Li
- Department of Vegetable Science, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Guangdong Vegetable Engineering and Technology Research Center, Guangzhou 510642, China
| | - Bingwei Yu
- Department of Vegetable Science, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Guangdong Vegetable Engineering and Technology Research Center, Guangzhou 510642, China
| | - Qiuling Hui
- Department of Vegetable Science, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Guangdong Vegetable Engineering and Technology Research Center, Guangzhou 510642, China
| | - Shuangshuang Yan
- Department of Vegetable Science, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Guangdong Vegetable Engineering and Technology Research Center, Guangzhou 510642, China
| | - Zejun Huang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 10081, China
| | - Xia Cui
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 10081, China
| | - Bihao Cao
- Department of Vegetable Science, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Guangdong Vegetable Engineering and Technology Research Center, Guangzhou 510642, China
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Díaz ML, Soresi DS, Basualdo J, Cuppari SJ, Carrera A. Transcriptomic response of durum wheat to cold stress at reproductive stage. Mol Biol Rep 2019; 46:2427-2445. [PMID: 30798485 DOI: 10.1007/s11033-019-04704-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 02/13/2019] [Indexed: 12/13/2022]
Abstract
Understanding the genetic basis of cold tolerance is a key step towards obtaining new and improved crop varieties. Current geographical distribution of durum wheat in Argentina exposes the plants to frost damage when spikes have already emerged. Biochemical pathways involved in cold tolerance are known to be early activated at above freezing temperatures. In this study we reported the transcriptome of CBW0101 spring durum wheat by merging data from untreated control and cold (5 °C) treated plant samples at reproductive stage. A total of 128,804 unigenes were predicted. Near 62% of the unigenes were annotated in at least one database. In total 876 unigenes were differentially expressed (DEGs), 562 were up-regulated and 314 down-regulated in treated samples. DEGs are involved in many critical processes including, photosynthetic activity, lipid and carbohydrate synthesis and accumulation of amino acids and seed proteins. Twenty-eight transcription factors (TFs) belonging to 14 families resulted differentially expressed from which eight families comprised of only TFs induced by cold. We also found 31 differentially expressed Long non-coding RNAs (lncRNAs), most of them up-regulated in treated plants. Two of these lncRNAs could operate via microRNAs (miRNAs) target mimic. Our results suggest a reprogramming of expression patterns in CBW0101 that affects a number of genes that is closer to the number reported in winter genotypes. These observations could partially explain its moderate tolerance (low proportion of frost-damaged spikes) when exposed to freezing days in the field.
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Affiliation(s)
- Marina L Díaz
- Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), Comisión de Investigaciones Científicas (CIC), Bahía Blanca, Buenos Aires, Argentina.
| | - Daniela S Soresi
- Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina
| | - Jessica Basualdo
- Departamento de Agronomía, Universidad Nacional del Sur (UNS), Bahía Blanca, Argentina
| | - Selva J Cuppari
- Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina
| | - Alicia Carrera
- Departamento de Agronomía, Universidad Nacional del Sur (UNS), Bahía Blanca, Argentina
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A Comparative Study of Essential Oil Constituents and Phenolic Compounds of Arabian Lilac ( Vitex Trifolia var. Purpurea): An Evidence of Season Effects. Foods 2019; 8:foods8020052. [PMID: 30717330 PMCID: PMC6406534 DOI: 10.3390/foods8020052] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 01/22/2019] [Accepted: 01/30/2019] [Indexed: 11/17/2022] Open
Abstract
To evaluate the fluctuation of secondary metabolites in Arabian lilac during a year, aerial parts of the plant were harvested in the middle of each month. The essential oils content from fresh and dried plant materials was analyzed by gas chromatography-flame ionization detector (GC-FID) and gas chromatography-mass spectrometer (GC-MS), individually. Phytochemical contents, along with antiradical scavenging potential of the related methanol extracts were separately assessed. The spring and autumn samples (fresh and dried) yielded more essential oil than the other samples. Forty-one compounds were identified totally in the oils and the major constituents characterized were β-caryophyllene, sabinene, and caryophyllene oxide. The extracts obtained from winter and summer plants possessed the highest total phenolics. The maximum amount of total flavonoid content was measured in winter (December and January), whereas the minimum one was observed in spring (March). The summer and winter samples showed the highest and lowest content of flavones and flavanols, respectively, whereas the anthocyanin content was higher in winter than in summer. Moreover, antiradical activity of the extracts in summer and winter samples was higher than in other seasons. Overall, this study can provide useful information regarding the best harvest period of Arabian lilac to yield the desired compounds for application in phytopharmaceutical and food industries.
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50
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Song T, Li K, Wu T, Wang Y, Zhang X, Xu X, Yao Y, Han Z. Identification of new regulators through transcriptome analysis that regulate anthocyanin biosynthesis in apple leaves at low temperatures. PLoS One 2019; 14:e0210672. [PMID: 30695036 PMCID: PMC6350969 DOI: 10.1371/journal.pone.0210672] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/28/2018] [Indexed: 12/14/2022] Open
Abstract
Anthocyanin pigments play many roles in plants, including providing protection against biotic and abiotic stresses. To identify new regulatory genes in apple (Malus domestica) that may be involved in regulating low temperature induced anthocyanin biosynthesis, we performed RNA-seq analysis of leaves from the ‘Gala’ apple cultivar following exposure to a low temperature (16 °C). A visible red color appeared on the upper leaves and the anthocyanin content increased significantly after the low temperature treatment. Genes from the flavonoid biosynthesis pathway were significantly enriched among the differentially expressed genes, and the expression of several transcription factors was shown by WGCNA (weighted gene co-expression network analysis) to correlate with anthocyanin accumulation, including members of the MYB, MADS, WRKY, WD40, Zinc Finger and HB-ZIP families. Three MYB transcription factors (MdMYB12, MdMYB22 and MdMYB114), which had several CBF/DREB response elements in their promoters, were significantly induced by low temperature exposure and their expression also correlated highly with anthocyanin accumulation. We hypothesize that they may act as regulators of anthocyanin biosynthesis and be regulated by CBF/DREB transcription factors in apple leaves under low temperature conditions. The analyses presented here provide insights into the molecular mechanisms underlying anthocyanin accumulation during low temperature exposure.
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Affiliation(s)
- Tingting Song
- College of Horticulture, China Agricultural University, Beijing, China
- Plant Science and Technology College, Beijing University of Agriculture, Beijing, China
| | - Keting Li
- College of Horticulture, China Agricultural University, Beijing, China
| | - Ting Wu
- College of Horticulture, China Agricultural University, Beijing, China
- Beijing Collaborative Innovation Center for Eco-Environmental Improvement with Forestry and Fruit Trees, Beijing, China
| | - Yi Wang
- College of Horticulture, China Agricultural University, Beijing, China
- Beijing Collaborative Innovation Center for Eco-Environmental Improvement with Forestry and Fruit Trees, Beijing, China
| | - Xinzhong Zhang
- College of Horticulture, China Agricultural University, Beijing, China
- Beijing Collaborative Innovation Center for Eco-Environmental Improvement with Forestry and Fruit Trees, Beijing, China
| | - Xuefeng Xu
- College of Horticulture, China Agricultural University, Beijing, China
- Beijing Collaborative Innovation Center for Eco-Environmental Improvement with Forestry and Fruit Trees, Beijing, China
| | - Yuncong Yao
- Plant Science and Technology College, Beijing University of Agriculture, Beijing, China
- Beijing Collaborative Innovation Center for Eco-Environmental Improvement with Forestry and Fruit Trees, Beijing, China
| | - Zhenhai Han
- College of Horticulture, China Agricultural University, Beijing, China
- Beijing Collaborative Innovation Center for Eco-Environmental Improvement with Forestry and Fruit Trees, Beijing, China
- * E-mail:
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