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Klevanski M, Kim H, Heilemann M, Kuner T, Bartenschlager R. Glycan-directed SARS-CoV-2 inhibition by leek extract and lectins with insights into the mode-of-action of Concanavalin A. Antiviral Res 2024; 225:105856. [PMID: 38447646 DOI: 10.1016/j.antiviral.2024.105856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/26/2024] [Accepted: 03/04/2024] [Indexed: 03/08/2024]
Abstract
Four years after its outbreak, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remains a global challenge for human health. At its surface, SARS-CoV-2 features numerous extensively glycosylated spike proteins. This glycan coat supports virion docking and entry into host cells and at the same time renders the virus less susceptible to neutralizing antibodies. Given the high genetic plasticity of SARS-CoV-2 and the rapid emergence of immune escape variants, targeting the glycan shield by carbohydrate-binding agents emerges as a promising strategy. However, the potential of carbohydrate-targeting reagents as viral inhibitors remains underexplored. Here, we tested seven plant-derived carbohydrate-binding proteins, called lectins, and one crude plant extract for their antiviral activity against SARS-CoV-2 in two types of human lung cells: A549 cells ectopically expressing the ACE2 receptor and Calu-3 cells. We identified three lectins and an Allium porrum (leek) extract inhibiting SARS-CoV-2 infection in both cell systems with selectivity indices (SI) ranging between >2 and >299. Amongst these, the lectin Concanavalin A (Con A) exerted the most potent and broad activity against a panel of SARS-CoV-2 variants. We used multiplex super-resolution microscopy to address lectin interactions with SARS-CoV-2 and its host cells. Notably, we discovered that Con A not only binds to SARS-CoV-2 virions and their host cells, but also causes SARS-CoV-2 aggregation. Thus, Con A exerts a dual mode-of-action comprising both, antiviral and virucidal, mechanisms. These results establish Con A and other plant lectins as candidates for COVID-19 prevention and basis for further drug development.
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Affiliation(s)
- Maja Klevanski
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, Im Neuenheimer Feld 307, 69120, Heidelberg, Germany.
| | - Heeyoung Kim
- Department of Infectious Diseases, Molecular Virology, Heidelberg University, 69120, Heidelberg, Germany; German Center for Infection Research (DZIF), Partner Site Heidelberg, 69120, Heidelberg, Germany
| | - Mike Heilemann
- Institute of Physical and Theoretical Chemistry, Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt, Germany
| | - Thomas Kuner
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, Im Neuenheimer Feld 307, 69120, Heidelberg, Germany; German Center for Lung Research (DZL), Partner Site Heidelberg (TLRC), Germany
| | - Ralf Bartenschlager
- Department of Infectious Diseases, Molecular Virology, Heidelberg University, 69120, Heidelberg, Germany; German Center for Infection Research (DZIF), Partner Site Heidelberg, 69120, Heidelberg, Germany; Division Virus-Associated Carcinogenesis, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
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Wu W, Xu Y, Zhang Y, Yu Z, Pang Y, Qin L, Wang Y. [Cloning and functional analysis of AcFMO from onion during alliine biosynthesis]. Sheng Wu Gong Cheng Xue Bao 2024; 40:1076-1088. [PMID: 38658150 DOI: 10.13345/j.cjb.230527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Flavin-containing monooxygenase (FMO) is the key enzyme in the biosynthesis pathway of CSOs with sulfur oxidation. In order to explore the molecular regulatory mechanism of FMO in the synthesis of onion CSOs, based on transcriptome database and phylogenetic analysis, one AcFMO gene that may be involved in alliin synthesis was obtained, the AcFMO had a cDNA of 1 374 bp and encoded 457 amino acids, which was evolutionarily closest to the AsFMO of garlic. Real-time fluorescence quantitative polymerase chain reaction (qRT-PCR) indicated that AcFMO was the highest in the flowers and the lowest in the leaf sheaths. The results of subcellular localization showed that the AcFMO gene product was widely distributed throughout the cell A yeast expression vector was constructed, and the AcFMO gene was ecotopically overexpressed in yeast to further study the enzyme function in vitro and could catalyze the synthesis of alliin by S-allyl-l-cysteine. In summary, the cloning and functional identification of AcFMO have important reference value for understanding the biosynthesis of CSOs in onions.
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Affiliation(s)
- Wenhui Wu
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin 150030, Heilongjiang, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, Heilongjiang, China
| | - Yang Xu
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin 150030, Heilongjiang, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, Heilongjiang, China
| | - Yadi Zhang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin 150030, Heilongjiang, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, Heilongjiang, China
| | - Zhengjiao Yu
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin 150030, Heilongjiang, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, Heilongjiang, China
| | - Yumeng Pang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin 150030, Heilongjiang, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, Heilongjiang, China
| | - Lei Qin
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin 150030, Heilongjiang, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, Heilongjiang, China
| | - Yong Wang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin 150030, Heilongjiang, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, Heilongjiang, China
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Kenney LJ. Peeling the onion: additional layers of regulation in the acid stress response. J Bacteriol 2024; 206:e0006924. [PMID: 38488356 PMCID: PMC11025319 DOI: 10.1128/jb.00069-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024] Open
Abstract
Bacteria are capable of withstanding large changes in osmolality and cytoplasmic pH, unlike eukaryotes that tightly regulate their pH and cellular composition. Previous studies on the bacterial acid stress response described a rapid, brief acidification, followed by immediate recovery. More recent experiments with better pH probes have imaged single living cells, and we now appreciate that following acid stress, bacteria maintain an acidic cytoplasm for as long as the stress remains. This acidification enables pathogens to sense a host environment and turn on their virulence programs, for example, enabling survival and replication within acidic vacuoles. Single-cell analysis identified an intracellular pH threshold of ~6.5. Acid stress reduces the internal pH below this threshold, triggering the assembly of a type III secretion system in Salmonella and the secretion of virulence factors in the host. These pathways are significant because preventing intracellular acidification of Salmonella renders it avirulent, suggesting that acid stress pathways represent a potential therapeutic target. Although we refer to the acid stress response as singular, it is actually a complex response that involves numerous two-component signaling systems, several amino acid decarboxylation systems, as well as cellular buffering systems and electron transport chain components, among others. In a recent paper in the Journal of Bacteriology, M. G. Gorelik, H. Yakhnin, A. Pannuri, A. C. Walker, C. Pourciau, D. Czyz, T. Romeo, and P. Babitzke (J Bacteriol 206:e00354-23, 2024, https://doi.org/10.1128/jb.00354-23) describe a new connection linking the carbon storage regulator CsrA to the acid stress response, highlighting new additional layers of complexity.
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Affiliation(s)
- Linda J. Kenney
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch Galveston, Galveston, Texas, USA
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Jia Q, Yin Y, Gai S, Tian L, Zhu Z, Qin L, Wang Y. Onion cryptochrome 1 (AcCRY1) regulates photomorphogenesis and photoperiod flowering in Arabidopsis and exploration of its functional mechanisms under blue light. Plant Physiol Biochem 2024; 206:108300. [PMID: 38157835 DOI: 10.1016/j.plaphy.2023.108300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 12/16/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Cryptochromes (CRYs), as blue-light photoreceptors, play a crucial role in regulating flowering time and hypocotyl and cotyledon development. Their physiological functions have been extensively studied in various plant species. However, research on onions remains limited. In this study, we identified AcCRY1 and conducted preliminary investigations into its function. Our results demonstrate that AcCRY1 possesses a conserved domain typical of cryptochromes with high homology to those found in monocots. Furthermore, we examined the expression level of AcCRY1 in onion. The green tissues is significantly higher compared to non-green tissues, and it exhibits a significant response to blue-light induction. AcCRY1 demonstrates cytoplasmic localization under blue-light conditions, while it localizes in the nucleus during darkness, indicating a strong dependence on blue-light for its subcellular distribution. In comparison to cry1, overexpression of AcCRY1 leads to a significant shorten in seedling hypocotyl length, notable expansion of cotyledons, and acceleration of flowering time. The yeast two-hybrid experiment demonstrated the in vitro interaction between AcCRY1, AcCOP1, and AcSPA1. Additionally, BIFC analysis confirmed their interaction in Onion epidermis. Notably, under blue-light conditions, a significantly enhanced binding activity was observed compared to dark conditions. These findings establish a functional foundation for the regulatory role of AcCRY1 in important physiological processes of onion and provide initial insights into the underlying molecular mechanisms.
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Affiliation(s)
- Qingwei Jia
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, 150030, PR China; College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yuqing Yin
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, 150030, PR China; College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, 150030, PR China
| | - Shuting Gai
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, 150030, PR China; College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, 150030, PR China
| | - Lu Tian
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, 150030, PR China; College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, 150030, PR China
| | - Zhihao Zhu
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, 150030, PR China; College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, 150030, PR China
| | - Lei Qin
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, 150030, PR China; College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Yong Wang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, 150030, PR China; College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, 150030, PR China.
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Wang M, He Z, Xiong Z, Liu H, Zhou X, He J. Supplementation with grape seed extract, onion peel extract, or rosemary extract in the diet alleviates growth inhibition, liver damage, and oxidative stress induced by diquat in Lohmann chicks. Anim Biotechnol 2023; 34:5067-5074. [PMID: 37878368 DOI: 10.1080/10495398.2023.2271532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
The present study aimed to assess the impact of grape seed extract (GSE), onion peel extract (OPE), and rosemary extract (ROE) on Diquat-induced growth restriction and oxidative stress in Lohmann chicks. A total of 200 chicks were randomly assigned to 5 diets: the positive control (PC) group, the negative control (NC) group, GSE group, OPE group, and ROE group. During the first 7 d of trial, compared with NC and PC groups, the GSE group enhanced average daily feed intake (ADFI). From day 8-21, diquat injection resulted in reduced growth performance, increased platelet volume distribution width (PWD), malondialdehyde (MDA) concentration, and activities of alanine aminotransferase (ALT) in chick serum; it also decreased total protein (TP), albumin (ALB), globulin (GLB) concentration, activities of superoxide dismutase (SOD) and glutathione S-transferase (GST) in chick serum; furthermore, it increased MDA concentration while decreasing GST activities in liver. The NC group exhibited lower average daily gain (ADG) than other groups. Compared with NC group, GSE group reduced ALT activities, MDA levels, and red cell distribution width (RDW), and PDW concentration; it also increased SOD, GST activities. The ROE group lowered ALT activities and MDA concentration. The OPE group decreased ALT activities, and MDA levels, RDW, and PDW concentration, and increased SOD activities of chicks. These results suggest that supplementing antioxidants in diets alleviated oxidative stress in chicks challenged by improving antioxidant capacity and liver function.
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Affiliation(s)
- Man Wang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China
| | - Zongze He
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China
| | - Zhaolong Xiong
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China
| | - Hongwei Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China
| | - Xiang Zhou
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China
| | - Jian He
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China
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Xu YN, Han GB, Li YH, Piao CH, Li GH, Kim NH. Protective effect of onion peel extract on ageing mouse oocytes. ZYGOTE 2023; 31:451-456. [PMID: 37337719 DOI: 10.1017/s0967199423000199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Mammalian oocytes not fertilized immediately after ovulation can undergo ageing and a rapid decline in quality. The addition of antioxidants can be an efficient approach to delaying the oocyte ageing process. Onion peel extract (OPE) contains quercetin and other flavonoids with natural antioxidant activities. In this study, we investigated the effect of OPE on mouse oocyte ageing and its mechanism of action. The oocytes were aged in vitro in M16 medium for 16 h after adding OPE at different concentrations (0, 50, 100, 200, and 500 μg/ml). The addition of 100 μg/ml OPE reduced the oocyte fragmentation rate, decreased the reactive oxygen species (ROS) level, increased the glutathione (GSH) level, and improved the mitochondrial membrane potential compared with the control group. The addition of OPE also increased the expression of SOD1, CAT, and GPX3 genes, and the caspase-3 activity in OPE-treated aged oocytes was significantly lower than that in untreated aged oocytes and similar to that in fresh oocytes. These results indicated that OPE delayed mouse oocyte ageing by reducing oxidative stress and apoptosis and enhancing mitochondrial function.
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Affiliation(s)
- Yong-Nan Xu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529000, China
| | - Guo-Bo Han
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529000, China
| | - Ying-Hua Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529000, China
| | - Chun-Hao Piao
- Jilin Wangqing Animal Quarantine Station, Wangqing, 133200, China
| | - Guan-Hao Li
- College of Agriculture, Yanbian University, Yanji, 133000, China
| | - Nam-Hyung Kim
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529000, China
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Lou H, Huang Y, Zhu Z, Xu Q. Cloning and Expression Analysis of Onion (Allium cepa L.) MADS-Box Genes and Regulation Mechanism of Cytoplasmic Male Sterility. Biochem Genet 2023; 61:2116-2134. [PMID: 36947296 DOI: 10.1007/s10528-023-10360-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 02/27/2023] [Indexed: 03/23/2023]
Abstract
Flower organ development is one of the most important processes in plant life. However, onion CMS (cytoplasmic male sterility) shows an abnormal development of floral organs. The regulation of MADS-box transcription factors is important for flower development. To further understand the role of MADS-box transcription factors in the regulation of cytoplasmic male sterility onions. We cloned the full-length cDNA of five MADS-box transcription factors from the flowers of onion using RACE (rapid amplification of cDNA ends) technology. We used bioinformatics methods for sequence analysis and phylogenetic analysis. Real-time quantitative PCR was used to detect the expression patterns of these genes in different onion organs. The relative expression levels of five flower development genes were compared in CMS onions and wild onions. The results showed that the full-length cDNA sequences of the cloned MADS-box genes AcFUL, AcDEF, AcPI, AcAG, and AcSEP3 belonged to A, B, C, and E MADS-box genes, respectively. A phylogenetic tree construction analysis was performed on its sequence. Analysis of MADS-box gene expression in wild onion and CMS onion showed that the formation of CMS onion was caused by down-regulation of AcDEF, AcPI, and AcAG gene expression, up-regulation of AcSEP3 gene expression, and no correlation with AcFUL gene expression. This work laid the foundation for further study of the molecular mechanism of onion flower development and the molecular mechanism of CMS onion male sterility.
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Affiliation(s)
- Hu Lou
- School of Forestry, Northeast Forestry University, 26 Hexing Road, Harbin, 150040, China
| | - Yuntong Huang
- Medical Laboratory College of Youjiang Medical College for Nationalities, Baise, 533000, Guangxi, China
- Industrial College of Biomedicine and Health Industry, Youjiang Medical College for Nationalities, Baise, 533000, Guangxi, China
| | - Zhengjie Zhu
- Agriculture and Food Engineering College, Baise University, Baise, 533000, Guangxi, China
| | - Qijiang Xu
- Medical Laboratory College of Youjiang Medical College for Nationalities, Baise, 533000, Guangxi, China.
- Industrial College of Biomedicine and Health Industry, Youjiang Medical College for Nationalities, Baise, 533000, Guangxi, China.
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Aamodt KI, Powers AC. Peeling the onion: another layer in the regulation of insulin secretion. J Clin Invest 2023; 133:e169718. [PMID: 37066881 PMCID: PMC10104890 DOI: 10.1172/jci169718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2023] Open
Abstract
Insulin secretion by pancreatic β cells is a dynamic and highly regulated process due to the central importance of insulin in enabling efficient utilization and storage of glucose. Multiple regulatory layers enable β cells to adapt to acute changes in nutrient availability as well as chronic changes in metabolic demand. While epigenetic factors have been well established as regulators of chronic β cell adaptations to insulin resistance, their role in acute adaptations in response to nutrient stimulation has been relatively unexplored. In this issue of the JCI, Wortham et al. report that short-term dynamic changes in histone modifications regulated insulin secretion and acute β cell adaptations in response to fasting and feeding cycles. These findings highlight the importance of investigating whether other epigenetic mechanisms may contribute to acute physiologic adaptations in β cells.
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Affiliation(s)
- Kristie I. Aamodt
- Department of Pediatrics, Division of Endocrinology, Boston Children’s Hospital, Boston, Massachusetts, USA
- Islet Cell and Regenerative Biology Section, Joslin Diabetes Center, Boston, Massachusetts, USA
| | - Alvin C. Powers
- Department of Medicine, Division of Diabetes, Endocrinology and Metabolism, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee, USA
- VA Tennessee Valley Healthcare, Nashville, Tennessee, USA
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Krishnasamy Sekar R, Arunachalam R, Anbazhagan M, Palaniyappan S, Veeran S, Sridhar A, Ramasamy T. Accumulation, Chronicity, and Induction of Oxidative Stress Regulating Genes Through Allium cepa L. Functionalized Silver Nanoparticles in Freshwater Common Carp (Cyprinus carpio). Biol Trace Elem Res 2023; 201:904-925. [PMID: 35199287 DOI: 10.1007/s12011-022-03164-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 02/14/2022] [Indexed: 01/21/2023]
Abstract
Green evolutionary products such as biologically fabricated nanoparticles (NPs) pose a hazard to aquatic creatures. Herein, biogenic silver nanoparticles (AgNPs) were synthesized by the reaction between ionic silver (AgNO3) and aqueous onion peel extract (Allium cepa L). The synthesized biogenic AgNPs were characterized with UV-Visible spectrophotometer, XRD, FT-IR, and TEM with EDS analysis; then, their toxicity was assessed on common carp fish (Cyprinus carpio) using biomarkers of haematological alterations, oxidative stress, histological changes, differential gene expression patterns, and bioaccumulation. The 96 h lethal toxicity was analysed with various concentrations (2, 4, 6, 8, and 10 mg/l) of biogenic AgNPs. Based on 96 h LC50, sublethal concentrations (1/15th, 1/10th, and 1/5th) were given to C. carpio for 28 days. At the end of experiment, the bioaccumulations of Ag content were accumulated mainly in the gills, followed by the liver and muscle. At an interval of 7 days, the haematological alterations showed significance (p < 0.05) and elevation of antioxidant defence mechanism reveals the toxicity of biogenic synthesized AgNPs. Adverse effects on oxidative stress were probably related to the histopathological damage of its vital organs like gill, liver, and muscle. Finally, the fish treated with biogenic synthesized AgNPs were significantly (p < 0.05) downregulates the oxidative stress genes such as Cu-Zn SOD, CAT, GPx1a, GST-α, CYP1A, and Nrf-2 expression patterns. The present study provides evidence of biogenic synthesized AgNPs influence on the aquatic life through induction of oxidative stress.
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Affiliation(s)
- Rajkumar Krishnasamy Sekar
- Laboratory of Aquabiotics & Nanoscience, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tamil Nadu, Tiruchirappalli, 620 024, India
| | - Ramkumar Arunachalam
- UGC-National Centre for Alternatives to Animal Experiments, Bharathidasan University, Tamil Nadu, 620 024, Tiruchirappalli, India
| | - Murugadas Anbazhagan
- UGC-National Centre for Alternatives to Animal Experiments, Bharathidasan University, Tamil Nadu, 620 024, Tiruchirappalli, India
- Department of Pediatrics, School of Medicine, Emory University, GA, 30322, Atlanta, USA
| | - Sivagaami Palaniyappan
- Laboratory of Aquabiotics & Nanoscience, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tamil Nadu, Tiruchirappalli, 620 024, India
| | - Srinivasan Veeran
- Laboratory of Aquabiotics & Nanoscience, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tamil Nadu, Tiruchirappalli, 620 024, India
| | - Arun Sridhar
- Laboratory of Aquabiotics & Nanoscience, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tamil Nadu, Tiruchirappalli, 620 024, India
- Immunology-Vaccinology, Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Thirumurugan Ramasamy
- Laboratory of Aquabiotics & Nanoscience, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tamil Nadu, Tiruchirappalli, 620 024, India.
- UGC-National Centre for Alternatives to Animal Experiments, Bharathidasan University, Tamil Nadu, 620 024, Tiruchirappalli, India.
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Oku S, Ueno K, Sawazaki Y, Maeda T, Jitsuyama Y, Suzuki T, Onodera S, Fujino K, Shimura H. Functional characterization and vacuolar localization of fructan exohydrolase derived from onion (Allium cepa). J Exp Bot 2022; 73:4908-4922. [PMID: 35552692 DOI: 10.1093/jxb/erac197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
Fructans such as inulin and levan accumulate in certain taxonomic groups of plants and are a reserve carbohydrate alternative to starch. Onion (Allium cepa L.) is a typical plant species that accumulates fructans, and it synthesizes inulin-type and inulin neoseries-type fructans in the bulb. Although genes for fructan biosynthesis in onion have been identified so far, no genes for fructan degradation had been found. In this study, phylogenetic analysis predicted that we isolated a putative vacuolar invertase gene (AcpVI1), but our functional analyses demonstrated that it encoded a fructan 1-exohydrolase (1-FEH) instead. Assessments of recombinant proteins and purified native protein showed that the protein had 1-FEH activity, hydrolyzing the β-(2,1)-fructosyl linkage in inulin-type fructans. Interestingly, AcpVI1 had an amino acid sequence close to those of vacuolar invertases and fructosyltransferases, unlike all other FEHs previously found in plants. We showed that AcpVI1 was localized in the vacuole, as are onion fructosyltransferases Ac1-SST and Ac6G-FFT. These results indicate that fructan-synthesizing and -degrading enzymes are both localized in the vacuole. In contrast to previously reported FEHs, our data suggest that onion 1-FEH evolved from a vacuolar invertase and not from a cell wall invertase. This demonstrates that classic phylogenetic analysis on its own is insufficient to discriminate between invertases and FEHs, highlighting the importance of functional markers in the nearby active site residues.
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Affiliation(s)
- Satoshi Oku
- Graduate School of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan
| | - Keiji Ueno
- Graduate School of Dairy Science, Rakuno Gakuen University, Ebetsu, 069-8501, Japan
| | - Yukiko Sawazaki
- Graduate School of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan
| | - Tomoo Maeda
- Faculty of Agriculture and Life Science, Hirosaki University, Hirosaki, 036-8561, Japan
| | - Yutaka Jitsuyama
- Graduate School of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan
| | - Takashi Suzuki
- Graduate School of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan
| | - Shuichi Onodera
- Graduate School of Dairy Science, Rakuno Gakuen University, Ebetsu, 069-8501, Japan
| | - Kaien Fujino
- Graduate School of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan
| | - Hanako Shimura
- Graduate School of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan
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Wang Y, Li X, Shen J, Lang H, Dong S, Zhang L, Fang H, Yu Y. Uptake, translocation, and metabolism of thiamethoxam in soil by leek plants. Environ Res 2022; 211:113084. [PMID: 35299036 DOI: 10.1016/j.envres.2022.113084] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/19/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
Thiamethoxam (TMX) is commonly applied on leek plants by root irrigation. It might be taken up by leek plants and thus has lasting dietary risk. In this study, the uptake, translocation, and metabolism of TMX in leek plants were investigated. The results obtained from both the hydroponic and soil experiments indicated that TMX could be easily translocated upward and accumulated in leek shoots after being absorbed by roots. The total absorbed TMX amount (Mtotal) in leek plants from the tested soils varied greatly with its adsorption governed by soil characteristics. Interestingly, Mtotal was closely correlated with the concentration of TMX in in situ pore water, indicating that TMX in in situ pore water could be a useful approach to predict uptake of this chemical by leek plants from various soils. Profoundly, clothianidin (CLO) was detected with concentration of 0.07-1.54 mg/kg in roots and 0.27-4.12 mg/kg in shoots at 14 d, respectively, suggesting that TMX is easily converted into CLO in leek plants. The results showed that TMX used in soil is easily absorbed by leek and accumulated in edible parts accompanying with formation of CLO.
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Affiliation(s)
- Yingnan Wang
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Xin Li
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jiatao Shen
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Hongbin Lang
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Suxia Dong
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Luqing Zhang
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Hua Fang
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Yunlong Yu
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, 310058, China.
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12
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Mondal NK, Kundu S, Debnath P, Mondal A, Sen K. Effects of polyethylene terephthalate microplastic on germination, biochemistry and phytotoxicity of Cicer arietinum L. and cytotoxicity study on Allium cepa L. Environ Toxicol Pharmacol 2022; 94:103908. [PMID: 35709962 DOI: 10.1016/j.etap.2022.103908] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 05/31/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Accumulation of plastic materials in terrestrial systems threatens to contaminate food chains. The aim of the current study is to determine the impact of microplastics synthesized from PET plastics (control, 50, 250, 500, 750, 1000 mg/L) with respect to morphological, biochemical impact on Cicer arietinum using standardized 72 h assay and cytotoxicity study on Allium cepa root tips. The synthesized microplastics were characterized by Scanning Electron Microscope (SEM) and Fourier Transform Infrared spectroscopy (FTIR) studies. Germination studies clearly revealed that there is a sharp decrease in germination with increasing the concentration of microplastics. Both pigment and carbohydrate levels increased up to 500 mg/L concentration, although protein levels increased with increase of microplastic dose. Catalase activity also increased with increasing microplastic concentration. Finally, cytotoxicity studies revealed significant chromosomal aberration at higher dose of microplastics. Therefore, it may be concluded that the microplastics have significant biological and structural adverse effects on plant metabolism.
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Affiliation(s)
- Naba Kumar Mondal
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India.
| | - Susmita Kundu
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India
| | - Priyanka Debnath
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India
| | - Arghadip Mondal
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India
| | - Kamalesh Sen
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India
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13
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Prajapati P, Gupta P, Kharwar RN, Seth CS. Nitric oxide mediated regulation of ascorbate-glutathione pathway alleviates mitotic aberrations and DNA damage in Allium cepa L. under salinity stress. Int J Phytoremediation 2022; 25:403-414. [PMID: 35758213 DOI: 10.1080/15226514.2022.2086215] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Allium cepa L. is an important medicinal and food plant enormously affected by salinity in terms of its growth and quality. This experiment investigates ameliorative potential of NO donor sodium nitroprusside (SNP) on chromosomal aberrations and physiological parameters in A. cepa L. roots exposed to salinity stress. Roots with different concentrations of NaCl (25, 50, and 100 mM) alone, and in combination with 100 µM SNP were analyzed for mitotic aberrations, DNA damage, proline, malondialdehyde (MDA) content, and ascorbate-glutathione (AsA-GSH) cycle after 120 h of salinity treatments. Results revealed that salinity stress increased chromosomal aberrations, MDA, proline accumulation, and severely hampered the AsA-GSH cycle function. The comet assay revealed a significant (p ≤ 0.05) enhancement in tail length (4.35 ± 0.05 µm) and olive tail moment (3.19 ± 0.04 µm) at 100 mM NaCl exposure. However, SNP supplementation decreased total percent abnormalities, while increased the prophase, metaphase, anaphase, and telophase indexes. Moreover, ascorbate peroxidase and glutathione reductase activities increased with AsA/DHA and GSH/GSSG ratios, respectively. Results suggest that SNP supplementation alleviates salinity stress responses by improving AsA-GSH cycle and proline accumulation. Based on present findings, NO supplementation could be recommended as a promising approach for sustainable crop production under salinity stress.
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Affiliation(s)
- Priyanka Prajapati
- Department of Botany, University of Delhi, Delhi, India
- Department of Botany, Banaras Hindu University, Varanasi, India
| | - Praveen Gupta
- Department of Botany, University of Delhi, Delhi, India
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14
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Wang J, Liu X, Hang S, Cao C, He Y, Sun X, Zheng R, Yuan J. Onion Vinegar Quality Evaluation and its Alleviate Oxidative Stress Mechanism in Caenorhabditis elegans Via SKN-1. Plant Foods Hum Nutr 2022; 77:206-211. [PMID: 35441311 PMCID: PMC9192463 DOI: 10.1007/s11130-022-00959-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
Recently, there has been renewed interest in biorefining of agricultural onion into functional products. In this study, onion vinegar (OV) are prepared by a two-stage semi-continuous fermentation method, and its content of total flavonoids (3.01 mg/mL) and polyphenols (976.76 μg/mL) is superior to other commercial vinegars. OV possesses a high radical scavenging activity and enhances the antioxidant enzyme activities in vivo, alleviating intracellular oxidative stress in Caenorhabditis elegans. Treated by OV, the 1,1-diphenyl-2-picryl-hydrazyl radical (DPPH·), diammonium 2,2'-azino-bis (3-ethylbenzo thiazoline-6-sulfonic acid) (ABTS+·) and 2-phenyl-4,4,5,5- tetramethylimidazoline-1-oxyl 3-Oxide (PTIO·) free radicals clearance rates are 88.76, 98.76 and 90.54%, respectively in vitro. Whereas the glutathione peroxidase (GSH-Px), superoxide dismutase (SOD) and catalase (CAT) enzyme activities in C. elegans reach 271.57, 129.26, and 314.68%, respectively. Using RNAi and RT-PCR, it has been further confirmed that OV modulates transcription factor SKN-1, the nuclear factor erythroid 2-related factor 2 (Nrf2) homologous, in C. elegans, enhancing the resistance of C. elegans against sodium arsenite stress. Lifespan analysis reveals that 1 mL OV extends the maximum lifespan of the nematode to 26 days. Evidence is presented which shows that OV increases the lifespan of C. elegans by activating the SKN-1 signaling pathway. Overall, the OV is a well functional condiment, enhancing the value-added of onion.
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Affiliation(s)
- Jianfeng Wang
- Xingzhi College, Zhejiang Normal University, Lanxi, 321100, China
| | - Xinhua Liu
- Jinhua Academy of Agricultural Sciences, Jinhua, 321027, China
| | - Shuqin Hang
- Key Laboratory of Wildlife Biotechnology and Conservation and Utilization of Zhejiang Province, Zhejiang Normal University, Jinhua, 321004, China
| | - Chunxin Cao
- Jinhua Academy of Agricultural Sciences, Jinhua, 321027, China
| | - Yucheng He
- Xingzhi College, Zhejiang Normal University, Lanxi, 321100, China
| | - Xiaoming Sun
- Xingzhi College, Zhejiang Normal University, Lanxi, 321100, China
| | - Rongquan Zheng
- Xingzhi College, Zhejiang Normal University, Lanxi, 321100, China
- Key Laboratory of Wildlife Biotechnology and Conservation and Utilization of Zhejiang Province, Zhejiang Normal University, Jinhua, 321004, China
| | - Jianfeng Yuan
- Key Laboratory of Wildlife Biotechnology and Conservation and Utilization of Zhejiang Province, Zhejiang Normal University, Jinhua, 321004, China.
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Doi M, Morita N, Okuzawa T, Ohgiya S, Okamoto D, Sato K, Ito Y, Matsuura H, Hashidoko Y. Pinellic Acid Isolated from Quercetin-rich Onions has a Peroxisome Proliferator-Activated Receptor-Alpha/Gamma (PPAR-α/γ) Transactivation Activity. Planta Med 2022; 88:440-446. [PMID: 35038752 DOI: 10.1055/a-1345-9471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Quercetin, a flavonol, is a functional compound that is abundant in onions and is known to have antioxidant and anti-inflammatory effects. Quercetin and its glucoside are known to function as peroxisome proliferator-activated receptor (PPAR) ligands and showed high PPAR-α transactivation activity but little PPAR-γ transactivation activity in some reports. In this study, we demonstrated that an aqueous extract of a quercetin-rich onion cultivar increased transactivation activities not only of PPAR-α but also of PPAR-γ. We isolated (9S,12S,13S)-(10E)-9,12,13-trihydroxyoctadec-10-enoic acid (pinellic acid) obtained from the aqueous extract using PPAR-γ transactivation as an index. Furthermore, it was revealed that pinellic acid could transactivate PPAR-α. Our findings are the first report mentioned showing that trihydroxyoctadec-10-enoic acids showed PPAR-α/γ transactivation activities.
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Affiliation(s)
- Mikio Doi
- Graduate School of Agriculture, Hokkaido University, Japan
| | - Naoki Morita
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology, Hokkaido, Japan
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology, Hokkaido, Japan
| | - Tsugumi Okuzawa
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology, Hokkaido, Japan
| | - Satoru Ohgiya
- National Institute of Advanced Industrial Science and Technology, AIST Hokkaido, Hokkaido, Japan
| | | | - Kenichi Sato
- Northern Advancement Center for Science and Technology, Hokkaido, Japan
| | - Yukiya Ito
- Northern Advancement Center for Science and Technology, Hokkaido, Japan
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16
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Tabussam N, Rana RM, Shah MKN, Ahmad MS, Sajjad M, Lu Y. Nutraceutical profiling of elite onion germplasm and breeding hybrids with improved nutraceutical quality. PLoS One 2022; 17:e0262705. [PMID: 35045129 PMCID: PMC8769310 DOI: 10.1371/journal.pone.0262705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 01/02/2022] [Indexed: 01/09/2023] Open
Abstract
Onion (Allium cepa L) is a major reservoir of important nutraceutical ingredients. Herein, nutraceutical profiling of elite germplasm was assessed and hybrids with improved nutraceutical quality were selected. The nutraceutical components were screened through Fourier Transform Infrared Spectroscopy (FTIR) analysis (scan range 4000-400cm-1) followed by spectrophotometric/colorimetric quantification in oven dried bulb samples. Line × Tester (L×T) analysis was used to identify potential hybrids with better nutraceutical quality. Based on common functional groups obtained from FTIR analysis, as well as bulb color, the onion genotypes were categorized into six groups viz., white, yellowish brown, light brown, dark brown, brown and purplish brown. Results indicated that the purplish brown, yellowish brown and dark brown genotypes had maximum concentration of pyruvic acid, total flavonoids and total phenolic content, while vitamin C content showed weak association with color pigmentation. The onion variety 'Onion Swat' contained the highest level of pyruvic acid (17.18 μM) and 'MKS8823GO' had the highest vitamin C content (13.83mg/100mL). The L×T analysis revealed that out of 35 crosses, 'MKS-77127 × Onion Swat' and 'MKS-77127 × MKS777' were the best hybrids with improved nutraceutical quality. Further, observations for specific combining ability, general combining ability, genetic versus environmental variance, heritability and heterosis indicated that the studied parameters were genetically inherited and could be improved significantly by adopting an appropriate breeding strategy.
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Affiliation(s)
- Najma Tabussam
- Department of Plant Breeding and Genetics, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, Pakistan
| | - Rashid Mehmood Rana
- Department of Plant Breeding and Genetics, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, Pakistan
- * E-mail:
| | - Muhammad Kausar Nawaz Shah
- Department of Plant Breeding and Genetics, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, Pakistan
| | - Muhammad Sheeraz Ahmad
- Department of Biochemistry, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, Pakistan
| | - Muhammad Sajjad
- Department of Biosciences, COMSATS University Islamabad (CUI), Islamabad, Pakistan
| | - Yongqiang Lu
- Yunnan Academy of Agricultural Sciences, Kunming, Yunnan Province, P.R. China
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17
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Kaur G, Sharma P, Rathee S, Singh HP, Batish DR, Kohli RK. Salicylic acid pre-treatment modulates Pb 2+-induced DNA damage vis-à-vis oxidative stress in Allium cepa roots. Environ Sci Pollut Res Int 2021; 28:51989-52000. [PMID: 33999323 DOI: 10.1007/s11356-021-14151-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
The current study investigated the putative role of salicylic acid (SA) in modulating Pb2+-induced DNA and oxidative damage in Allium cepa roots. Pb2+ exposure enhanced free radical generation and reduced DNA integrity and antioxidant machinery after 24 h; however, SA pre-treatment (for 24 h) ameliorated Pb2+ toxicity. Pb2+ exposure led to an increase in malondialdehyde (MDA) and hydrogen peroxide (H2O2) accumulation and enhanced superoxide radical and hydroxyl radical levels. SA improved the efficiency of enzymatic antioxidants (ascorbate and guaiacol peroxidases [APX, GPX], superoxide dismutases [SOD], and catalases [CAT]) at 50-μM Pb2+ concentration. However, SA pre-treatment could not improve the efficiency of CAT and APX at 500 μM of Pb2+ treatment. Elevated levels of ascorbate and glutathione were observed in A. cepa roots pre-treated with SA and exposed to 50 μM Pb2+ treatment, except for oxidized glutathione. Nuclear membrane integrity test demonstrated the ameliorating effect of SA by reducing the number of dark blue-stained nuclei as compared to Pb2+ alone treatments. SA was successful in reducing DNA damage in cell exposed to higher concentration of Pb2+ (500 μM) as observed through comet assay. The study concludes that SA played a major role in enhancing defense mechanism and protecting against DNA damage by acclimatizing the plant to Pb2+-induced toxicity.
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Affiliation(s)
- Gurpreet Kaur
- Department of Environment Studies, Panjab University, Chandigarh, 160 014, India
- Agriculture Victoria, AgriBio, The Centre for AgriBioscience, 5 Ring Road, Bundoora, Victoria, 3083, Australia
- School of Applied Systems Biology, La Trobe University, Bundoora, Victoria, 3086, Australia
| | - Padma Sharma
- Department of Environment Studies, Panjab University, Chandigarh, 160 014, India
| | - Sonia Rathee
- Department of Botany, Panjab University, Chandigarh, 160 014, India
| | - Harminder Pal Singh
- Department of Environment Studies, Panjab University, Chandigarh, 160 014, India.
| | - Daizy Rani Batish
- Department of Botany, Panjab University, Chandigarh, 160 014, India.
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18
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Adeyemi KD, Obaaro BM, Awoyeye ET, Edward AE, Asogwa TN. Onion leaf and synthetic additives in broiler diet: impact on splenic cytokines, serum immunoglobulins, cecal bacterial population, and muscle antioxidant status. J Sci Food Agric 2021; 101:5245-5255. [PMID: 33611786 DOI: 10.1002/jsfa.11173] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 02/17/2021] [Accepted: 02/21/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The disadvantages associated with the use of synthetic additives in animal production could threaten human and animal health, and the safety of animal-derived foods. This study assessed the growth performance, blood chemistry, immune indices, selected caeca bacterial population, muscle antioxidant enzyme activities, and meat quality in broiler chickens fed diet supplemented with antibiotic (70% oxytetracycline +30% neomycin), tert-butylhydroxytoluene or onion leaf powder (OLP). One day old Ross 308 chicks (n = 240) were assigned randomly to either D-1, control diet (CD) without additives; D-2, CD + 0.3 g kg-1 antibiotic +0.15 g kg-1 tert-butylhydroxytoluene; D-3, CD + 2.5 g kg-1 OLP; or D-4, CD + 5 g kg-1 OLP for 42 days. RESULTS The D-2 and D-4 diets improved (P < 0.05) bodyweight gain and feed efficiency in broilers. Platelet and cecal Lactobacillus spp. counts were higher (P < 0.05) whereas muscle cholesterol was lower (P < 0.05) in the OLP-supplemented birds. Supplemented birds had higher (P < 0.01) splenic interleukin-10 and lower (P < 0.01) splenic tumor necrosis factor-α, immunoglobulin A, cecal E. coli and C. perfringens counts compared with the D-1 birds. The D-4 birds had the least (P < 0.05) splenic interleukin-1β. Dietary supplements increased (P < 0.05) catalase, glutathione peroxidase, and total antioxidant capacity, and lowered (P < 0.05) drip loss, malondialdehyde and carbonyl content in breast meat. CONCLUSION Dietary supplementation of 5 g kg-1 OLP exerted antimicrobial, immunomodulatory, and antioxidant effects that were comparable to those of antibiotics and tert-butylhydroxytoluene in broiler chickens. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Kazeem D Adeyemi
- Department of Animal Production, Faculty of Agriculture, University of Ilorin, Ilorin, Nigeria
| | - Blessing M Obaaro
- Department of Animal Production, Faculty of Agriculture, University of Ilorin, Ilorin, Nigeria
| | - Elizabeth T Awoyeye
- Department of Animal Production, Faculty of Agriculture, University of Ilorin, Ilorin, Nigeria
| | - Anne E Edward
- Department of Animal Production, Faculty of Agriculture, University of Ilorin, Ilorin, Nigeria
| | - Tobechukwu N Asogwa
- Department of Biochemistry, Faculty of Life Sciences, University of Ilorin, Ilorin, Nigeria
- Central Research Laboratory and Diagnostics, Ilorin, Nigeria
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19
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Taylor MJ, Liyu A, Vertes A, Anderton CR. Ambient Single-Cell Analysis and Native Tissue Imaging Using Laser-Ablation Electrospray Ionization Mass Spectrometry with Increased Spatial Resolution. J Am Soc Mass Spectrom 2021; 32:2490-2494. [PMID: 34374553 DOI: 10.1021/jasms.1c00149] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Laser-ablation electrospray ionization mass spectrometry (LAESI-MS) is an emerging method that has the potential to transform the field of metabolomics. This is in part due to LAESI-MS being an ambient ionization method that requires minimal sample preparation and uses (endogenous) water for in situ analysis. This application note details the employment of the "LAESI microscope" source to perform spatially resolved MS analysis of cells and MS imaging (MSI) of tissues at high spatial resolution. This source configuration utilizes a long-working-distance reflective objective that permits both visualization of the sample and a smaller LAESI laser beam profile than conventional LAESI setups. Here, we analyzed 200 single cells of Allium cepa (red onion) and imaged Fittonia argyroneura (nerve plant) in high spatial resolution using this source coupled to a Fourier transform mass spectrometer for high-mass-resolution and high-mass-accuracy metabolomics.
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Affiliation(s)
- Michael J Taylor
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Andrey Liyu
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Akos Vertes
- Department of Chemistry, The George Washington University, Washington, D.C. 20052, United States
| | - Christopher R Anderton
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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20
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Kudryavtseva N, Ermolaev A, Karlov G, Kirov I, Shigyo M, Sato S, Khrustaleva L. A Dual-Color Tyr-FISH Method for Visualizing Genes/Markers on Plant Chromosomes to Create Integrated Genetic and Cytogenetic Maps. Int J Mol Sci 2021; 22:5860. [PMID: 34070753 PMCID: PMC8215642 DOI: 10.3390/ijms22115860] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/19/2021] [Accepted: 05/25/2021] [Indexed: 11/23/2022] Open
Abstract
In situ imaging of molecular markers on a physical chromosome is an indispensable tool for refining genetic maps and validation genome assembly at the chromosomal level. Despite the tremendous progress in genome sequencing, the plant genome assembly at the chromosome level remains a challenge. Recently developed optical and Hi-C mapping are aimed at assistance in genome assembly. For high confidence in the genome assembly at chromosome level, more independent approaches are required. The present study is aimed at refining an ultrasensitive Tyr-FISH technique and developing a reliable and simple method of in situ mapping of a short unique DNA sequences on plant chromosomes. We have carefully analyzed the critical steps of the Tyr-FISH to find out the reasons behind the flaws of this technique. The accurate visualization of markers/genes appeared to be significantly dependent on the means of chromosome slide preparation, probe design and labeling, and high stringency washing. Appropriate adjustment of these steps allowed us to detect a short DNA sequence of 1.6 Kb with a frequency of 51.6%. Based on our results, we developed a more reliable and simple protocol for dual-color Tyr-FISH visualization of unique short DNA sequences on plant chromosomes. This new protocol can allow for more accurate determination of the physical distance between markers and can be applied for faster integration of genetic and cytogenetic maps.
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Affiliation(s)
- Natalya Kudryavtseva
- Laboratory of Plant Cell Engineering, All-Russian Research Institute of Agricultural Biotechnology, Timiryazevskay 42 Str., 127550 Moscow, Russia;
- Center of Molecular Biotechnology, Russian State Agrarian University-Moscow Timiryazev Agricultural Academy, 127550 Moscow, Russia;
| | - Aleksey Ermolaev
- Center of Molecular Biotechnology, Russian State Agrarian University-Moscow Timiryazev Agricultural Academy, 127550 Moscow, Russia;
| | - Gennady Karlov
- Laboratory of Applied Genomics and Crop Breeding, All-Russian Research Institute of Agricultural Biotechnology, 127550 Moscow, Russia;
| | - Ilya Kirov
- Laboratory of Marker-Assisted and Genomic Selection of Plants, All-Russian Research Institute of Agricultural Biotechnology, 127550 Moscow, Russia;
- Kurchatov Genomics Center of ARRIAB, All-Russian Research Institute of Agricultural Biotechnology, 127550 Moscow, Russia
| | - Masayoshi Shigyo
- Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Yamaguchi 753-8515, Japan;
| | - Shusei Sato
- Graduate School of Life Science, Tohoku University, Miyagi 980-8577, Japan;
| | - Ludmila Khrustaleva
- Laboratory of Plant Cell Engineering, All-Russian Research Institute of Agricultural Biotechnology, Timiryazevskay 42 Str., 127550 Moscow, Russia;
- Center of Molecular Biotechnology, Russian State Agrarian University-Moscow Timiryazev Agricultural Academy, 127550 Moscow, Russia;
- Department of Botany, Breeding and Seed Production of Garden Plants, Russian State Agrarian University-Moscow Timiryazev Agricultural Academy, Timiryazevskay 49 Str., 127550 Moscow, Russia
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21
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Fuentes J, de Camargo AC, Atala E, Gotteland M, Olea-Azar C, Speisky H. Quercetin Oxidation Metabolite Present in Onion Peel Protects Caco-2 Cells against the Oxidative Stress, NF-kB Activation, and Loss of Epithelial Barrier Function Induced by NSAIDs. J Agric Food Chem 2021; 69:2157-2167. [PMID: 33591188 DOI: 10.1021/acs.jafc.0c07085] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The potential of 2-(3,4-dihydroxybenzoyl)-2,4,6-trihydroxy-3(2H)-benzofuranone (BZF), a quercetin oxidation metabolite, and that of a BZF-rich onion peel aqueous extract (OAE) to protect Caco-2 monolayers against the oxidative stress (OS) and an increased permeability (IP) induced by five nonsteroidal anti-inflammatory drugs (NSAIDs) (indomethacin, diclofenac, piroxicam, ibuprofen, and metamizole) were investigated. Under identical OS conditions, the NSAIDs substantially differed in their ability to induce an IP and/or NF-kB activation. The OAE (100 nM BZF) protected in identical magnitude (84-86%) against OS but in a highly dissimilar manner against the IP (18-73%). While all NSAIDs activated NF-kB, the OAE prevented only that induced by indomethacin. Results reveal that the IP has no direct relationship with the OS and that with the exception of indomethacin, the prevention of NSAIDs-induced OS and/or NF-kB activation plays no fundamental role in the IP-protecting effect of OAE. These results warrant the in vivo evaluation of OAE against indomethacin-induced loss of intestinal barrier function.
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Affiliation(s)
- Jocelyn Fuentes
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Adriano Costa de Camargo
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Elías Atala
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Martín Gotteland
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380453, Chile
| | - Claudio Olea-Azar
- Department of Inorganic and Analytical Chemistry, Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Santiago 8380000, Chile
| | - Hernán Speisky
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
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22
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Chang SN, Dey DK, Oh ST, Kong WH, Cho KH, Al-Olayan EM, Hwang BS, Kang SC, Park JG. Phorbol 12-Myristate 13-Acetate Induced Toxicity Study and the Role of Tangeretin in Abrogating HIF-1α-NF-κB Crosstalk In Vitro and In Vivo. Int J Mol Sci 2020; 21:E9261. [PMID: 33291656 PMCID: PMC7729754 DOI: 10.3390/ijms21239261] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 11/26/2020] [Accepted: 12/01/2020] [Indexed: 11/16/2022] Open
Abstract
Phorbol 12-myristate 13-acetate (PMA) is a potent tumor promoter and highly inflammatory in nature. Here, we investigated the toxic effects of PMA on different model system. PMA (10 μg) caused chromosomal aberrations on the Allium cepa root tip and induced mitotic dysfunction. Similarly, PMA caused embryonic and larval deformities and a plummeted survivability rate on zebrafish embryo in a dose-dependent manner. Persistently, PMA treatment on immortalized human keratinocyte human keratinocyte (HaCaT) cells caused massive inflammatory rush at 4 h and a drop in cell survivability at 24 h. Concomitantly, we replicated a cutaneous inflammation similar to human psoriasis induced by PMA. Herein, we used tangeretin (TAN), as an antagonist to counteract the inflammatory response. Results from an in vivo experiment indicated that TAN (10 and 30 mg/kg) significantly inhibited PMA stimulated epidermal hyperplasia and intra-epidermal neutrophilic abscesses. In addition, its treatment effectively neutralized PMA induced elevated reactive oxygen species (ROS) generation on in vitro and in vivo systems, promoting antioxidant response. The association of hypoxia-inducible factor 1-alpha (HIF-1α)-nuclear factor kappa-light-chain-enhancer of activated b cells (NF-κB) crosstalk triggered by PMA enhanced PKCα-ERK1/2-NF-κB pathway; its activation was also significantly counteracted after TAN treatment. Conclusively, we demonstrated TAN inhibited the nuclear translocation of HIF-1α and NF-κB p65. Collectively, TAN treatment ameliorated PMA incited malignant inflammatory response by remodeling the cutaneous microenvironment.
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Affiliation(s)
- Sukkum Ngullie Chang
- Department of Biotechnology, Daegu University, Gyeongsan 38453, Korea; (S.N.C.); (D.K.D.)
- Advanced Bio Convergence Center, Pohang Technopark Foundation, Pohang 37668, Gyeongbuk, Korea; (S.T.O.); (W.H.K.)
| | - Debasish Kumar Dey
- Department of Biotechnology, Daegu University, Gyeongsan 38453, Korea; (S.N.C.); (D.K.D.)
| | - Seong Taek Oh
- Advanced Bio Convergence Center, Pohang Technopark Foundation, Pohang 37668, Gyeongbuk, Korea; (S.T.O.); (W.H.K.)
- Okinawa Research Center Co. Ltd., 13-33, Suzaki, Uruma-si, Okinawa Ken 904-2234, Japan
| | - Won Ho Kong
- Advanced Bio Convergence Center, Pohang Technopark Foundation, Pohang 37668, Gyeongbuk, Korea; (S.T.O.); (W.H.K.)
| | - Kiu Hyung Cho
- Research Group, Gyeongbuk Institute for Bio Industry (GIB), Andong 36728, Korea;
| | - Ebtesam M. Al-Olayan
- Department of Zoology, Faculty of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Buyng Su Hwang
- Nakdonggang National Institute of Biological Resources, Sangju 37242, Korea;
| | - Sun Chul Kang
- Department of Biotechnology, Daegu University, Gyeongsan 38453, Korea; (S.N.C.); (D.K.D.)
| | - Jae Gyu Park
- Advanced Bio Convergence Center, Pohang Technopark Foundation, Pohang 37668, Gyeongbuk, Korea; (S.T.O.); (W.H.K.)
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Acharya P, Jayaprakasha GK, Semper J, Patil BS. 1H Nuclear Magnetic Resonance and Liquid Chromatography Coupled with Mass Spectrometry-Based Metabolomics Reveal Enhancement of Growth-Promoting Metabolites in Onion Seedlings Treated with Green-Synthesized Nanomaterials. J Agric Food Chem 2020; 68:13206-13220. [PMID: 32233481 DOI: 10.1021/acs.jafc.0c00817] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Seed priming is a promising approach to improve germination, emergence, and seedling growth by triggering pre-germinative metabolism and enhancing seedling vigor. Recently, nanopriming gained importance in seed improvement as a result of the small size and unique physicochemical characteristics of nanomaterials. In the present study, silver and gold nanoparticles were synthesized using onion extracts as the reducing agent. Similarly, the agro-food industrial byproducts citrus seed oil and curcumin-removed turmeric oleoresin were used for the preparation of nanoemulsions. For seed priming, these green-synthesized nanomaterials were incubated with seeds of two onion (Allium cepa L.) cultivars (Legend and 50147) for 72 h, and then the plants were grown in a greenhouse for 3 weeks. Seed priming with these nanomaterials increased seed germination and seedling emergence. One-dimensional 1H nuclear magnetic resonance and liquid chromatography coupled with mass spectrometry metabolomics studies showed that different nanopriming treatments distinctly altered the metabolome of onion seedlings. Seed priming treatments significantly inhibited plant hormones and growth regulators, such as abscisic acid and cis-(+)-12-oxo-phytodienoic acid, and enhanced germination stimulators, such as γ-aminobutyric acid and zeatin, in onion seeds and seedlings. Therefore, these priming treatments have positive impact on improving seed performance and plant growth.
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Affiliation(s)
- Pratibha Acharya
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, Texas 77845-2119, United States
| | - Guddadarangavvanahally K Jayaprakasha
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, Texas 77845-2119, United States
| | - James Semper
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, Texas 77845-2119, United States
| | - Bhimanagouda S Patil
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, Texas 77845-2119, United States
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Taglienti A, Tiberini A, Ciampa A, Piscopo A, Zappia A, Tomassoli L, Poiana M, Dell'Abate MT. Metabolites response to onion yellow dwarf virus (OYDV) infection in 'Rossa di Tropea' onion during storage: a 1 H HR-MAS NMR study. J Sci Food Agric 2020; 100:3418-3427. [PMID: 32166770 DOI: 10.1002/jsfa.10376] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 01/20/2020] [Accepted: 03/13/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Plant viral infections induce changes in metabolic components in the host plant, with potential effects on compositional, organoleptic and storability features of agricultural products. Identification of modulated metabolites may provide clues concerning pathways implementing responses in plant-pathogen interactions. A time course study of metabolic fingerprinting of onion yellow dwarf virus (OYDV)-infected versus healthy 'Rossa di Tropea' onion bulbs was performed using proton high-resolution magic angle spinning nuclear magnetic resonance (1 H HR-MAS NMR) and ultra-performance liquid chromatography (UPLC), providing an overview of the metabolic state of the bulb in response to OYDV infection during storage. RESULTS Metabolites accumulated/depleted upon infection were identified, belonging to flavonoid, saccharide, amino acid and organic acid classes. A decrease in quercetin glucosides content and antioxidant activity was observed in infected bulbs; some amino acids (Arg, Asn, Phe, Val) accumulated, while others were depleted (Leu); for some metabolites, a bimodal time-course was observed during storage (Glc, Lys). Virus interference on metabolic pathways, and the effects of the metabolic shift on edible product storability, organoleptic and nutritional quality were discussed. CONCLUSIONS OYDV infection induces a metabolic shift in 'Rossa di Tropea' onion during bulb storage, involving several pathways and affecting storability and organoleptic and nutritional quality of bulbs at marketable stage. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Anna Taglienti
- Research Centre for Plant Protection and Certification, Council for Agricultural Research and Economics, Rome, Italy
| | - Antonio Tiberini
- Department of Agricultural Science, University 'Mediterraena' of Reggio Calabria, Reggio Calabria, Italy
| | - Alessandra Ciampa
- Research Centre for Agriculture and Environment, Council for Agricultural Research and Economics, Rome, Italy
| | - Amalia Piscopo
- Department of Agricultural Science, University 'Mediterraena' of Reggio Calabria, Reggio Calabria, Italy
| | - Angela Zappia
- Department of Agricultural Science, University 'Mediterraena' of Reggio Calabria, Reggio Calabria, Italy
| | - Laura Tomassoli
- Research Centre for Plant Protection and Certification, Council for Agricultural Research and Economics, Rome, Italy
| | - Marco Poiana
- Department of Agricultural Science, University 'Mediterraena' of Reggio Calabria, Reggio Calabria, Italy
| | - Maria Teresa Dell'Abate
- Research Centre for Agriculture and Environment, Council for Agricultural Research and Economics, Rome, Italy
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25
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Wang X, Wilson L, Cosgrove DJ. Pectin methylesterase selectively softens the onion epidermal wall yet reduces acid-induced creep. J Exp Bot 2020; 71:2629-2640. [PMID: 32006044 PMCID: PMC7210771 DOI: 10.1093/jxb/eraa059] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 01/29/2020] [Indexed: 05/02/2023]
Abstract
De-esterification of homogalacturonan (HG) is thought to stiffen pectin gels and primary cell walls by increasing calcium cross-linking between HG chains. Contrary to this idea, recent studies found that HG de-esterification correlated with reduced stiffness of living tissues, measured by surface indentation. The physical basis of such apparent wall softening is unclear, but possibly involves complex biological responses to HG modification. To assess the direct physical consequences of HG de-esterification on wall mechanics without such complications, we treated isolated onion (Allium cepa) epidermal walls with pectin methylesterase (PME) and assessed wall biomechanics with indentation and tensile tests. In nanoindentation assays, PME action softened the wall (reduced the indentation modulus). In tensile force/extension assays, PME increased plasticity, but not elasticity. These softening effects are attributed, at least in part, to increased electrostatic repulsion and swelling of the wall after PME treatment. Despite softening and swelling upon HG de-esterification, PME treatment alone failed to induce cell wall creep. Instead, acid-induced creep, mediated by endogenous α-expansin, was reduced. We conclude that HG de-esterification physically softens the onion wall, yet reduces expansin-mediated wall extensibility.
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Affiliation(s)
- Xuan Wang
- Department of Biology,Pennsylvania State University, University Park, PA USA
| | - Liza Wilson
- Department of Biology,Pennsylvania State University, University Park, PA USA
| | - Daniel J Cosgrove
- Department of Biology,Pennsylvania State University, University Park, PA USA
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26
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Giorgetti L, Spanò C, Muccifora S, Bottega S, Barbieri F, Bellani L, Ruffini Castiglione M. Exploring the interaction between polystyrene nanoplastics and Allium cepa during germination: Internalization in root cells, induction of toxicity and oxidative stress. Plant Physiol Biochem 2020; 149:170-177. [PMID: 32070910 DOI: 10.1016/j.plaphy.2020.02.014] [Citation(s) in RCA: 128] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/24/2020] [Accepted: 02/11/2020] [Indexed: 05/20/2023]
Abstract
With the aim to investigate the mechanisms of action of nano plastics (nano PS) on plants, seeds of Allium cepa were germinated for 72 h in the presence of polystyrene nano PS (50 nm size, at concentrations of 0.01, 0.1 and 1 g L-1) and, subsequently, roots were analysed by a multifaceted approach. No effect was induced by any concentration of nano PS on the percentage of seed germination while root growth was inhibited by 0.1 and 1 g L-1 nano PS. Cytological analysis of the root meristems indicated cytotoxicity (reduction of mitotic index) and genotoxicity (induction of cytogenetic anomalies and micronuclei) starting from the lowest dose. Moreover, the biochemical and histochemical analysis of oxidative stress markers gave evidence of stress induction, especially at the highest doses. Damages reported could be due to mechanical surface contact in root external layers, as evidenced by histological localization, and to the internalization of nano PS in different cellular compartments, observed under TEM. The present research underlines the hazardous nature of nano PS, that for their ability to be internalized into crop plants, can enter into different trophic levels of the food chain.
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Affiliation(s)
- Lucia Giorgetti
- Institute of Agricultural Biology and Biotechnology, (IBBA-CNR), Pisa, Italy.
| | - Carmelina Spanò
- Department of Biology, University of Pisa, Italy; Centre for Climate Change Impact, University of Pisa, Italy
| | | | | | | | - Lorenza Bellani
- Institute of Agricultural Biology and Biotechnology, (IBBA-CNR), Pisa, Italy; Department of Life Sciences, University of Siena, Italy
| | - Monica Ruffini Castiglione
- Department of Biology, University of Pisa, Italy; Centre for Climate Change Impact, University of Pisa, Italy
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27
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Huang Q, Wang T, Xiao N. Selective monitoring ATP using a fluorogenic Al(III)-probe complex in aqueous medium. Spectrochim Acta A Mol Biomol Spectrosc 2020; 229:117946. [PMID: 31862650 DOI: 10.1016/j.saa.2019.117946] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/08/2019] [Accepted: 12/09/2019] [Indexed: 06/10/2023]
Abstract
A simple commercially available probe 8-hydroxyjulolidine-9-aldehyde (HJ) has been developed as a turn-on fluorescent probe specifically for Al3+ and characterized systemically. The probe HJ for Al3+ ion exhibits strong green fluorescence under ultraviolet light. The HJ acted as an OFF-ON-OFF type fluorescent probe for Al3+ and ATP in nearly 100% aqueous media. The 1:1 binding stoichiometry between probe and Al3+ has been established from Job's plot and HRMS studies. The limit of detection for Al3+ ion is found to be 5.75 × 10-8 M. The large association constant between HJ and Al3+ ion is 1.05 × 105 M-1. Detailed insights of probe-metal interaction mechanisms have been studied by the density functional theory (DFT) as well as the time dependent-DFT (TDDFT) calculations. Moreover, benefiting from the water solubility and biocompatibility of the probe HJ and its HJ-Al3+ complex, they have also been successfully applied to detect Al3+ and ATP by bioimaging in onion epidermal cells and adult zebrafish respectively.
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Affiliation(s)
- Qiaoming Huang
- School of Pharmaceutical Sciences, Capital Medical University, Beijing, 100069, China
| | - Tianran Wang
- School of Pharmaceutical Sciences, Capital Medical University, Beijing, 100069, China
| | - Nao Xiao
- School of Pharmaceutical Sciences, Capital Medical University, Beijing, 100069, China.
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28
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Heikal YM, Şuţan NA, Rizwan M, Elsayed A. Green synthesized silver nanoparticles induced cytogenotoxic and genotoxic changes in Allium cepa L. varies with nanoparticles doses and duration of exposure. Chemosphere 2020; 243:125430. [PMID: 31995881 DOI: 10.1016/j.chemosphere.2019.125430] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/10/2019] [Accepted: 11/19/2019] [Indexed: 05/25/2023]
Abstract
This study aimed to test the ability of aqueous leaf extract of Eichhornia crassipes (Mart.) Solms-Laubach to synthesize silver nanoparticles (AgNPs) and to estimate the cytotoxicity and genotoxicity of AgNPs using Allium cepa assay. Fresh Eichhornia crassipes plants were collected from the Nile River of Egypt. The mixed-shaped structures of the biogenic AgNPs were qualitatively characterized by UV-vis spectroscopy, scanning electron microscopy and transmission electron microscopy. Selected area electron diffraction confirmed the crystalline structure of AgNPs and energy dispersive X-ray analysis clarified the presence of the elemental silver in a percentage of 83.29%. The biogenic AgNPs were quite stable (0.316) and negatively charged (-18.5 mV) based on the polydispersity index values. Allium cepa L. roots were exposed to several AgNPs concentrations (0, 5, 10, 20, 40 and 80 mg L-1) for different time intervals 2, 4 and 6 h. Cytotoxicity measured by both the spectrophotometric and macroscopic techniques recorded the maximum cell death of root tips of A. cepa after 20 mg L-1 treatment. The analysis of comet assay output images showed an alteration of DNA repair kinetics. The use of aqueous leaf extract of E. crassipes (Mart.) Solms-Laubach in the large-scale production of AgNPs by the method proposed in this study may be a step in improving the water loss in the Nile River. At the same time, a sensitive approach to the cytogenotoxicity of AgNPs must be considered.
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Affiliation(s)
- Yasmin M Heikal
- Department of Botany, Faculty of Science, Mansoura University, 35516, Mansoura, Egypt
| | - Nicoleta Anca Şuţan
- University of Piteşti, Faculty of Sciences, Physical Education and Informatics, Department of Natural Sciences, 1 Targu din Vale Str., 110040, Pitesti, Romania
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, Pakistan.
| | - Ashraf Elsayed
- Department of Botany, Faculty of Science, Mansoura University, 35516, Mansoura, Egypt
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29
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Gao S, Liu X, Liu Y, Cao B, Chen Z, Xu K. Photosynthetic characteristics and chloroplast ultrastructure of welsh onion (Allium fistulosum L.) grown under different LED wavelengths. BMC Plant Biol 2020; 20:78. [PMID: 32066376 PMCID: PMC7027053 DOI: 10.1186/s12870-020-2282-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 02/07/2020] [Indexed: 05/21/2023]
Abstract
BACKGROUND The optimized illumination of plants using light-emitting diodes (LEDs) is beneficial to their photosynthetic performance, and in recent years, LEDs have been widely used in horticultural facilities. However, there are significant differences in the responses of different crops to different wavelengths of light. Thus, the influence of artificial light on photosynthesis requires further investigation to provide theoretical guidelines for the light environments used in industrial crop production. In this study, we tested the effects of different LEDs (white, W; blue, B; green, G; yellow, Y; and red, R) with the same photon flux density (300 μmol/m2·s) on the growth, development, photosynthesis, chlorophyll fluorescence characteristics, leaf structure, and chloroplast ultrastructure of Welsh onion (Allium fistulosum L.) plants. RESULTS Plants in the W and B treatments had significantly higher height, leaf area, and fresh weight than those in the other treatments. The photosynthetic pigment content and net photosynthetic rate (Pn) in the W treatment were significantly higher than those in the monochromatic light treatments, the transpiration rate (E) and stomatal conductance (Gs) were the highest in the B treatment, and the intercellular CO2 concentration (Ci) was the highest in the Y treatment. The non-photochemical quenching coefficient (NPQ) was the highest in the Y treatment, but the other chlorophyll fluorescence characteristics differed among treatments in the following order: W > B > R > G > Y. This includes the maximum photochemical efficiency of photosystem II (PSII) under dark adaptation (Fv/Fm), maximum photochemical efficiency of PSII under light adaptation (Fv'/Fm'), photochemical quenching coefficient (qP), actual photochemical efficiency (ΦPSII), and apparent electron transport rate (ETR). Finally, the leaf structure and chloroplast ultrastructure showed the most complete development in the B treatment. CONCLUSIONS White and blue light significantly improved the photosynthetic efficiency of Welsh onions, whereas yellow light reduced the photosynthetic efficiency.
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Affiliation(s)
- Song Gao
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production in Shandong, Tai'an, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huanghuai Region, Ministry of Agriculture and Rural Affairs, Tai'an, People's Republic of China
- State Key Laboratory of Crop Biology, Tai'an, 271018, China
| | - Xuena Liu
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production in Shandong, Tai'an, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huanghuai Region, Ministry of Agriculture and Rural Affairs, Tai'an, People's Republic of China
- State Key Laboratory of Crop Biology, Tai'an, 271018, China
| | - Ying Liu
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production in Shandong, Tai'an, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huanghuai Region, Ministry of Agriculture and Rural Affairs, Tai'an, People's Republic of China
- State Key Laboratory of Crop Biology, Tai'an, 271018, China
| | - Bili Cao
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production in Shandong, Tai'an, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huanghuai Region, Ministry of Agriculture and Rural Affairs, Tai'an, People's Republic of China
- State Key Laboratory of Crop Biology, Tai'an, 271018, China
| | - Zijing Chen
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production in Shandong, Tai'an, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huanghuai Region, Ministry of Agriculture and Rural Affairs, Tai'an, People's Republic of China
- State Key Laboratory of Crop Biology, Tai'an, 271018, China
| | - Kun Xu
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, China.
- Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production in Shandong, Tai'an, China.
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops in Huanghuai Region, Ministry of Agriculture and Rural Affairs, Tai'an, People's Republic of China.
- State Key Laboratory of Crop Biology, Tai'an, 271018, China.
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30
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Gashi B, Osmani M, Aliu S, Zogaj M, Kastrati F. Risk assessment of heavy metal toxicity by sensitive biomarker δ-aminolevulinic acid dehydratase (ALA-D) for onion plants cultivated in polluted areas in Kosovo. J Environ Sci Health B 2020; 55:462-469. [PMID: 32003294 DOI: 10.1080/03601234.2020.1721229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Biomarkers allow an integrated risk assessment of heavy metal pollution effects in living organisms. In this study, the biochemical effects of Cd, Cr, Ni, Pb and Zn pollution in agricultural soil and their accumulation in Alium cepa L. (onion) were evaluated with ALA-D enzyme response as a biomarker, along with δ-aminolevulinic acid (ALA) and total chlorophyll contents in leaves of this plant. Soil samples were randomly selected from agricultural areas in two regions, Mitrovica and Obiliqi, which are considered the most industrially polluted regions in Kosovo. Results show that Pb and Zn concentrations in soil samples from Mitrovica (1953-2576 mg kg -1) and Obiliqi regions (138-179 mg kg -1) and their bioaccumulation levels in onion were significantly higher in comparison with the control group. There was an adverse negative correlation between Pb or Zn concentration and ALA-D activity and total chlorophyll content, and a positive correlation with ALA content. This study indicates that ALA-D activity can be used as a very sensitive biomarker for evaluation of heavy metal pollution. The bioaccumulation of heavy metals from soil polluted areas poses a threat for food contamination and public health.
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Affiliation(s)
- Bekim Gashi
- Department of Biology, Faculty of Mathematical and Natural Sciences, University of Prishtina "Hasan Prishtina", Prishtinë, Kosovo
| | - Mirsade Osmani
- Faculty of Food Technology, University of Mitrovica "Isa Boletini", Mitrovica, Kosovo
| | - Sali Aliu
- Department of Crop Sciences, Faculty of Agriculture and Veterinary, University of Prishtina "Hasan Prishtina", Prishtinë, Kosovo
| | - Muhamet Zogaj
- Department of Soil Sciences, Faculty of Agriculture and Veterinary, University of Prishtina "Hasan Prishtina", Prishtinë, Kosovo
| | - Fitim Kastrati
- Department of Biology, Faculty of Mathematical and Natural Sciences, University of Prishtina "Hasan Prishtina", Prishtinë, Kosovo
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31
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Muscolo A, Papalia T, Settineri G, Mallamaci C, Panuccio MR. Sulfur bentonite-organic-based fertilizers as tool for improving bio-compounds with antioxidant activities in red onion. J Sci Food Agric 2020; 100:785-793. [PMID: 31612485 DOI: 10.1002/jsfa.10086] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 09/05/2019] [Accepted: 10/11/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Red onion is popular in cuisines worldwide and is valued for its potential medicinal properties. Red onion is an important source of several phytonutrients such as flavonoids, thiosulfinates and other sulfur compounds, recognized as important elements of the diet. Nowadays, there is the need of producing food enriched in health benefit compounds. In this study, pads of sulfur bentonite (SB) with the addition of orange residue (OR) or olive pomace (OP) were used to improve the quality of red onion. The experiment was conducted for 3 months in the field to evaluate the phytochemicals of differently amended red onion. RESULTS Treated plants were better in quality than controls. Antioxidant activity, detected as DPPH, ORAC and ABTS, was highest in plants grown in the presence of SB enriched with agricultural wastes, particularly SB-OR. Polyphenols increased in all treated plants. The volatile fraction was clearly dominated by sulfur compounds that are strictly related to the concentration of the aroma precursors S-alkenyl cysteine sulfoxides. The greater amount of thiosulfinates in treated compared with untreated onion evidenced that SB pelletized with agricultural wastes can represent a new formulation of organic fertilizer able to improve the beneficial properties of onion. The results highlighted that the best red onion quality was obtained using SB-OR pads. CONCLUSION The use of SB bound with agricultural wastes represents a novel strategy to increase bio-compounds with beneficial effects on human health, to enhance the medical and economic values of sulfur-loving crops, with important consequences on the bio and green economy. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Adele Muscolo
- Agriculture Department, Mediterranea University, Reggio Calabria, Italy
| | - Teresa Papalia
- Agriculture Department, Mediterranea University, Reggio Calabria, Italy
| | | | - Carmelo Mallamaci
- Agriculture Department, Mediterranea University, Reggio Calabria, Italy
| | - Maria R Panuccio
- Agriculture Department, Mediterranea University, Reggio Calabria, Italy
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Khan EA, Khan NS. 67-year-old woman • excessive flatulence • persistent heartburn • chronic cough • Dx? J Fam Pract 2020; 69:304-305. [PMID: 32724911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
► Excessive flatulence, belching, and bloating ► Persistent heartburn ► Chronic cough.
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Affiliation(s)
| | - Natalie S Khan
- Personalized Longevity Medical Center, Allentown, PA, USA
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Zhang T, Tang H, Vavylonis D, Cosgrove DJ. Disentangling loosening from softening: insights into primary cell wall structure. Plant J 2019; 100:1101-1117. [PMID: 31469935 DOI: 10.1111/tpj.14519] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/08/2019] [Accepted: 08/19/2019] [Indexed: 05/13/2023]
Abstract
How cell wall elasticity, plasticity, and time-dependent extension (creep) relate to one another, to plant cell wall structure and to cell growth remain unsettled topics. To examine these issues without the complexities of living tissues, we treated cell-free strips of onion epidermal walls with various enzymes and other agents to assess which polysaccharides bear mechanical forces in-plane and out-of-plane of the cell wall. This information is critical for integrating concepts of wall structure, wall material properties, tissue mechanics and mechanisms of cell growth. With atomic force microscopy we also monitored real-time changes in the wall surface during treatments. Driselase, a potent cocktail of wall-degrading enzymes, removed cellulose microfibrils in superficial lamellae sequentially, layer-by-layer, and softened the wall (reduced its mechanical stiffness), yet did not induce wall loosening (creep). In contrast Cel12A, a bifunctional xyloglucanase/cellulase, induced creep with only subtle changes in wall appearance. Both Driselase and Cel12A increased the tensile compliance, but differently for elastic and plastic components. Homogalacturonan solubilization by pectate lyase and calcium chelation greatly increased the indentation compliance without changing tensile compliances. Acidic buffer induced rapid cell wall creep via endogenous α-expansins, with negligible effects on wall compliances. We conclude that these various wall properties are not tightly coupled and therefore reflect distinctive aspects of wall structure. Cross-lamellate networks of cellulose microfibrils influenced creep and tensile stiffness whereas homogalacturonan influenced indentation mechanics. This information is crucial for constructing realistic molecular models that define how wall mechanics and growth depend on primary cell wall structure.
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Affiliation(s)
- Tian Zhang
- Department of Biology and Center for Lignocellulose Structure and Formation, 208 Mueller Laboratory, Pennsylvania State University, University Park, State College, Pennsylvania, 16802, USA
| | - Haosu Tang
- Department of Physics, Lehigh University, Bethlehem, Pennsylvania, 18015, USA
| | - Dimitrios Vavylonis
- Department of Physics, Lehigh University, Bethlehem, Pennsylvania, 18015, USA
| | - Daniel J Cosgrove
- Department of Biology and Center for Lignocellulose Structure and Formation, 208 Mueller Laboratory, Pennsylvania State University, University Park, State College, Pennsylvania, 16802, USA
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Dalvi VS, Patil YA, Krishna B, Sane PV, Sane AP. Indeterminate growth of the umbel inflorescence and bulb is associated with increased expression of the TFL1 homologue, AcTFL1, in onion. Plant Sci 2019; 287:110165. [PMID: 31481221 DOI: 10.1016/j.plantsci.2019.110165] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 06/02/2019] [Accepted: 06/04/2019] [Indexed: 05/24/2023]
Abstract
TERMINAL FLOWER1 (TFL1) is a key gene for maintenance of vegetative and inflorescence indeterminacy and architecture. In onion, flowering and bulbing are two distinct developmental phases, each under complex environmental regulatory control. We have identified two CEN/TFL1-like genes from onion designated as AcTFL1 and AcCEN1. AcTFL1 is expressed during bulbing and inflorescence development with expression increasing with indeterminate growth of the umbel and the bulb suggesting possible conservation of function. Increase in AcTFL1 expression during umbel growth is associated with a simultaneous reduction in expression of AcLFY. Expression of AcTFL1 within the bulb is lowest in the outermost layers and highest in the innermost (youngest) layers. Bulb storage at room temperature or in cold leads to a gradual reduction in AcTFL1 levels in the meristem-containing tissues, the decrease being faster in the variety not requiring vernalization. Constitutive expression of AcTFL1, but not AcCEN1 complements the Arabidopsis tfl1-14 mutant and delays flowering in wild type suggesting conservation of the AcTFL1 function even in the distantly related Arabidopsis. Taken together, AcTFL1 appears to be the functional counterpart of TFL1 and regulates indeterminate growth of the umbel inflorescence as well as bulb development in onion.
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Affiliation(s)
- Vijayendra S Dalvi
- Division of Plant Molecular Biology, Jain R&D laboratory, Jain Irrigation Systems Ltd, Agripark, Jain Hills, Shirsoli Road, Jalgaon, 425 001, India
| | - Yogesh A Patil
- Division of Plant Molecular Biology, Jain R&D laboratory, Jain Irrigation Systems Ltd, Agripark, Jain Hills, Shirsoli Road, Jalgaon, 425 001, India
| | - Bal Krishna
- Division of Plant Molecular Biology, Jain R&D laboratory, Jain Irrigation Systems Ltd, Agripark, Jain Hills, Shirsoli Road, Jalgaon, 425 001, India.
| | - Prafullachandra V Sane
- Division of Plant Molecular Biology, Jain R&D laboratory, Jain Irrigation Systems Ltd, Agripark, Jain Hills, Shirsoli Road, Jalgaon, 425 001, India
| | - Aniruddha P Sane
- Plant Gene Expression Lab, CSIR-National Botanical Research Institute, Lucknow, 226001, India.
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Naini R, Pavankumar P, Prabhakar S, Kancha RK, Rao KV, Reddy VD. Evolvement of nutraceutical onion plants engineered for resveratrol biosynthetic pathway. Plant Cell Rep 2019; 38:1127-1137. [PMID: 31154513 DOI: 10.1007/s00299-019-02432-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 06/09/2023]
Abstract
Genetically engineered onion expressing codon-optimized VvSTS1 gene accumulated stilbenes and extended life span in yeast and can serve as potential nutraceutical. Resveratrol (RV) is a natural polyphenolic compound found in certain plant species including grapes. RV is well known for its nutraceutical properties and to assuage several disease conditions. Onion is the second most consumed vegetable worldwide and contains large quantities of precursor molecules, malonyl-CoA and para-coumaroyl-CoA that are needed for RV biosynthesis. The present study reports the development of nutraceutical onion by engineering RV biosynthetic pathway. A codon-optimized grapevine synthetic stilbene synthase gene (VvSTS1) was synthesized using native grapevine sequence. Six-week-old healthy yellowish compact nodular calli were co-cultivated with Agrobacterium tumefaciens harbouring pCAMBIA1300-hpt II-CaMV35S-VvSTS1-nos. PCR analysis revealed the presence of VvSTS1 and hpt II genes in putative transgenics. Southern blot analysis confirmed the integration of VvSTS1 gene and independent nature of transformants. LC-ESI-HRMS analysis revealed the accumulation of variable quantities of RV (24.98-50.18 µg/g FW) and its glycosylated form polydatin (33.6-67.15 µg/g FW) in both leaves and bulbs, respectively, indicating the successful engineering of RV biosynthetic pathway into onion. The transgenic onion bulb extracts extended the life span in haploid yeast. The transgenic onion accumulating RV and polydatin, developed for the first of its kind, may serve as a potential nutraceutical resource.
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Affiliation(s)
- Raju Naini
- Centre for Plant Molecular Biology (CPMB), Osmania University, Hyderabad, Telangana, 500007, India
| | - P Pavankumar
- Centre for Mass Spectrometry, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
- Acadamy of Scientific and Innovative Research, CSIR-IICT, Hyderabad, India
| | - S Prabhakar
- Centre for Mass Spectrometry, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
- Acadamy of Scientific and Innovative Research, CSIR-IICT, Hyderabad, India
| | - Rama Krishna Kancha
- Centre for Plant Molecular Biology (CPMB), Osmania University, Hyderabad, Telangana, 500007, India
| | | | - Vudem Dashavantha Reddy
- Centre for Plant Molecular Biology (CPMB), Osmania University, Hyderabad, Telangana, 500007, India.
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Saviano G, Paris D, Melck D, Fantasma F, Motta A, Iorizzi M. Metabolite variation in three edible Italian Allium cepa L. by NMR-based metabolomics: a comparative study in fresh and stored bulbs. Metabolomics 2019; 15:105. [PMID: 31325058 DOI: 10.1007/s11306-019-1566-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 07/11/2019] [Indexed: 12/21/2022]
Abstract
INTRODUCTION In fruits and vegetables, comparative analysis of metabolic plant profiles has a high potential for quality control of active components. Onion (Allium cepa L.) is used fresh or stored as food, spice, and in traditional medicine. Its metabolic content, often with nutraceutical value, makes its level an important factor in agronomic production. OBJECTIVE To describe for the first time the metabolome of "San Pietro" white onion (WP), and compare its chemical profile with the red onion var. Tropea (RT) and the yellow onion var. Montoro (CM). Furthermore, we also aim to obtain a multivariate model based on NMR fingerprints to discriminate the three Italian A. cepa L. cultivars. METHODS For the chemical fingerprinting we used NMR-based metabolomics. We investigated the aqueous and chloroform extracts of fresh onion at harvesting time, and after 9-month storage. Principal component analysis (PCA), Partial least squares discriminant analysis (PLS-DA) and Orthogonal partial least squares (OPLS-DA) were used to build reliable models. RESULTS We obtained a clear discrimination of A. cepa L. varieties for the fresh and stored batches. The statistical model highlighted higher levels of fructo-oligosaccharides (FOS) in the fresh WP; RT showed a high content of glucose, citrate and amino acids, while CM had many sulfur components. In the stored samples (CMS, RTS), carbohydrates and sulfur components decreased, while in WPS the free monosaccharides concentration increased. Linoleic acid was overexpressed in the apolar extracts of CMF and WPF cultivars. CONCLUSION Metabolomics allows a reliable differentiation among onion varieties, and highlights the potential of fingerprinting for food authentication purposes.
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Affiliation(s)
- Gabriella Saviano
- Dipartimento di Bioscienze e Territorio, Università degli Studi del Molise, Contrada Fonte Lappone, 86090, Pesche (Isernia), Italy
| | - Debora Paris
- Istituto di Chimica Biomolecolare del CNR, Comprensorio Olivetti, Edificio A, Via Campi Flegrei 34, 80078, Pozzuoli (Napoli), Italy
| | - Dominique Melck
- Istituto di Chimica Biomolecolare del CNR, Comprensorio Olivetti, Edificio A, Via Campi Flegrei 34, 80078, Pozzuoli (Napoli), Italy
| | - Francesca Fantasma
- Dipartimento di Bioscienze e Territorio, Università degli Studi del Molise, Contrada Fonte Lappone, 86090, Pesche (Isernia), Italy
| | - Andrea Motta
- Istituto di Chimica Biomolecolare del CNR, Comprensorio Olivetti, Edificio A, Via Campi Flegrei 34, 80078, Pozzuoli (Napoli), Italy.
| | - Maria Iorizzi
- Dipartimento di Bioscienze e Territorio, Università degli Studi del Molise, Contrada Fonte Lappone, 86090, Pesche (Isernia), Italy.
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Cavanagh JAE, Yi Z, Gray CW, Munir K, Lehto N, Robinson BH. Cadmium uptake by onions, lettuce and spinach in New Zealand: Implications for management to meet regulatory limits. Sci Total Environ 2019; 668:780-789. [PMID: 30865908 DOI: 10.1016/j.scitotenv.2019.03.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 03/01/2019] [Accepted: 03/01/2019] [Indexed: 06/09/2023]
Abstract
Paired soil and plant samples collected from the main commercial growing areas for onions (Allium cepa), lettuce (Lactuca sativa) and spinach (Spinacia olearacea) in New Zealand were used to assess the influence of plant and soil factors on cadmium (Cd) uptake in these crops. Differences in Cd concentration between eight lettuce sub-types were not consistent across sites, nor were differences in Cd concentrations in three crisphead cultivars assessed at two sites. Similarly, differences in Cd concentrations between four onion cultivars were inconsistent across sites. Mean lettuce Cd concentrations in eight lettuce varieties (range 0.005-0.034 mg∙kg-1 (fresh weight, FW) were markedly lower than those in baby leaf and bunching spinach, (range 0.005-0.19 mg∙kg-1 FW). Significant regional variation was observed in Cd concentrations in one onion cultivar (mean range 0.007-0.05 mg∙kg-1 FW). Soil Cd concentration, pH and region were statistically significant predictors of onion Cd concentration, explaining low (38% for soil Cd and pH) to moderate (50% for all three parameters) percentage of the variation. Soil Cd concentration and exchangeable magnesium or total carbon were statistically significant predictors of Cd concentration in baby leaf and bunching spinach, respectively, explaining a moderate percentage (49% and 42%) of the variation in Cd concentration. Increasing pH and soil carbon may assist in minimising Cd uptake in onion and bunching spinach, respectively. The low to moderate proportion of explained variation is partly attributable to the narrow range in some measured soil properties and indicates factors other than those assessed are influencing plant uptake. This highlights a challenge in using these relationships to develop risk-based soil guideline values to support compliance with food standards. Similarly, the inconsistency in Cd concentrations in different cultivars across sites highlights the need for multi-site assessments to confirm the low Cd accumulation status of different cultivars.
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Affiliation(s)
- Jo-Anne E Cavanagh
- Manaaki Whenua - Landcare Research, Gerald Street, PO Box 69040, Lincoln 7640, New Zealand.
| | - Z Yi
- Faculty of Agricultural and Life Sciences, Lincoln University, PO Box 7647, Lincoln 7647, New Zealand
| | - C W Gray
- AgResearch, Lincoln Research Centre, Private Bag, Christchurch 4749, New Zealand
| | - K Munir
- Manaaki Whenua - Landcare Research, Gerald Street, PO Box 69040, Lincoln 7640, New Zealand
| | - N Lehto
- Faculty of Agricultural and Life Sciences, Lincoln University, PO Box 7647, Lincoln 7647, New Zealand
| | - B H Robinson
- Manaaki Whenua - Landcare Research, Gerald Street, PO Box 69040, Lincoln 7640, New Zealand
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Lorenzo P, Souza-Alonso P, Guisande-Collazo A, Freitas H. Influence of Acacia dealbata Link bark extracts on the growth of Allium cepa L. plants under high salinity conditions. J Sci Food Agric 2019; 99:4072-4081. [PMID: 30761550 DOI: 10.1002/jsfa.9637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 01/18/2019] [Accepted: 02/11/2019] [Indexed: 05/10/2023]
Abstract
BACKGROUND Acacia dealbata Link is an invasive plant worldwide. Finding potential uses for its waste that contribute to controling its spread and result in benefits for agriculture has recently become a new topic of research. This study aimed to evaluate the potential biostimulant effect of bark extract derived from the management of A. dealbata (0, 450 or 900 ppm) on onion plants growing under stressful conditions, such as in soils treated with saline solutions (0, 60 or 120 mmol L-1 NaCl) and with reduced irrigation (100%, 50% or 25%). RESULTS A. dealbata Link bark extract significantly increased height as well as leaf, root and total biomass of plants in soils irrigated with NaCl solution (120 mmol L-1 ). These plants also had a higher content of Cl in roots, but a lower content of P in leaves and of K in bulbs. The 450 ppm bark treatment additionally increased the protein content in leaves and decreased the Na and Mg content in bulbs and bulbs and roots, respectively. The bark extract also increased the sugar content in plants under saline conditions. However, the effect of bark extract was negligible on plants that grew under drought stress. CONCLUSION Results revealed that the bark extract might attenuate stress effects in plants growing at high salinity levels, probably by increasing their sugar and protein content and via the accumulation of ions in the roots. Although additional experiments are required, we suggest that the bark extract of A. dealbata has potential applications in agriculture concerned with biostimulant formulations. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Paula Lorenzo
- Department of Life Sciences, Centre for Functional Ecology - Science for People & the Planet (CFE), University of Coimbra, Coimbra, Portugal
| | - Pablo Souza-Alonso
- Department of Life Sciences, Centre for Functional Ecology - Science for People & the Planet (CFE), University of Coimbra, Coimbra, Portugal
- Departamento de Bioloxía Vexetal e Ciencia do Solo, Universidade de Vigo, Vigo, Spain
| | | | - Helena Freitas
- Department of Life Sciences, Centre for Functional Ecology - Science for People & the Planet (CFE), University of Coimbra, Coimbra, Portugal
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Weber AM, Mawodza T, Sarkar B, Menon M. Assessment of potentially toxic trace element contamination in urban allotment soils and their uptake by onions: A preliminary case study from Sheffield, England. Ecotoxicol Environ Saf 2019; 170:156-165. [PMID: 30529614 DOI: 10.1016/j.ecoenv.2018.11.090] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 11/17/2018] [Accepted: 11/19/2018] [Indexed: 05/23/2023]
Abstract
Toxic trace element (TTE) contamination in urban soils may pose potential health risks, especially in cities with previous industrial activities. This study aimed to investigate soil contamination in urban allotments in Sheffield, the uptake of TTEs in autumn and spring sown onions (Allium cepa), and their potential risks on human health via consumption of the crops. Paired soil and plant samples were taken in triplicates from four private allotments to assess potentially elevated levels of lead (Pb), zinc (Zn), copper (Cu), arsenic (As), and chromium (Cr). These elements in soils exceeded the ambient background levels for England. Both Pb and As exceeded some UK and EU soil tolerable limits. Concentration factors (CF) were calculated as the ratio of trace element in the plant as compared to that in the soil, and uptake rates were in the order Zn>Cu>Cr>Pb>As. Concentrations were higher for most TTEs in spring sown onions (SSO), and had significantly higher CF (p < 0.05) for Pb and Cr than autumn sown onions (ASO), whereas the opposite was true for As. Toxic elements in plants did not exceed FAO/WHO intake limits when considering TTE content per plant and consumption rates. Human health risk assessment calculations using target hazard quotients (THQ) and hazard indexes (HI) indicated that consuming onions alone did not pose an immediate health risk.
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Affiliation(s)
- Annika M Weber
- Department of Oncology and Metabolism, The Medical School, The University of Sheffield, Beech Hill Road, Sheffield S10 2RX, United Kingdom.
| | - Tinashe Mawodza
- Department of Molecular Biology and Biotechnology, The University of Sheffield, Sheffield S10 2TN, United Kingdom
| | - Binoy Sarkar
- Leverhulme Centre for Climate Change Mitigation, Department of Animal and Plant Sciences, The University of Sheffield, Sheffield S10 2TN, United Kingdom; Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Manoj Menon
- Department of Geography, The University of Sheffield, Sheffield S10 2TN, United Kingdom
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Islam MN, Wang A, Pedersen JS, Sørensen JN, Körner O, Edelenbos M. Online measurement of temperature and relative humidity as marker tools for quality changes in onion bulbs during storage. PLoS One 2019; 14:e0210577. [PMID: 30653555 PMCID: PMC6336314 DOI: 10.1371/journal.pone.0210577] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 12/26/2018] [Indexed: 11/25/2022] Open
Abstract
A long shelf life of onions (Allium cepa L.) is of high importance in the onion industry. Onions are dried and stored in large wooden boxes that are difficult to access. Monitoring temperature and relative humidity during these processes is challenging. Moreover, quality may change in storage without being noticed. Therefore, there is a need to find alternative methods for monitoring and controlling the drying and storage processes of onions and to identify early changes in quality during storage. The potential use of online measurements of temperature and relative humidity (RH) in the vicinity of onions was evaluated during drying and long-term storage of six onion batches (four cultivars and three selections of one of the cultivars) in commercial storage. The batches varied in bulb weight, dry matter content, firmness and disease incidence. The dry matter content and firmness decreased during storage, while the respiration rate and incidences of individual and total disease increased. Two of the batches had low storability with high disease incidences and high average temperatures and variations in the RH. The results showed that tracking the temperature and RH in the vicinity of the onions is a promising tool for improving the drying and storage processes in commercial storage and for identifying onion batches with reduced storability early in storage.
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Affiliation(s)
| | - Aimei Wang
- Department of Food Science, Aarhus University, Aarslev, Denmark
| | | | | | - Oliver Körner
- Leibniz Institute of Vegetable and Ornamental Crops, Grossbeeren, Germany
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Ye D, Kiemle SN, Rongpipi S, Wang X, Wang C, Cosgrove DJ, Gomez EW, Gomez ED. Resonant soft X-ray scattering reveals cellulose microfibril spacing in plant primary cell walls. Sci Rep 2018; 8:12449. [PMID: 30127533 PMCID: PMC6102304 DOI: 10.1038/s41598-018-31024-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 08/10/2018] [Indexed: 12/22/2022] Open
Abstract
Cellulose microfibrils are crucial for many of the remarkable mechanical properties of primary cell walls. Nevertheless, many structural features of cellulose microfibril organization in cell walls are not yet fully described. Microscopy techniques provide direct visualization of cell wall organization, and quantification of some aspects of wall microstructure is possible through image processing. Complementary to microscopy techniques, scattering yields structural information in reciprocal space over large sample areas. Using the onion epidermal wall as a model system, we introduce resonant soft X-ray scattering (RSoXS) to directly quantify the average interfibril spacing. Tuning the X-ray energy to the calcium L-edge enhances the contrast between cellulose and pectin due to the localization of calcium ions to homogalacturonan in the pectin matrix. As a consequence, RSoXS profiles reveal an average center-to-center distance between cellulose microfibrils or microfibril bundles of about 20 nm.
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Affiliation(s)
- Dan Ye
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, United States
| | - Sarah N Kiemle
- Department of Biology, The Pennsylvania State University, University Park, PA, 16802, United States
| | - Sintu Rongpipi
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, United States
| | - Xuan Wang
- Department of Biology, The Pennsylvania State University, University Park, PA, 16802, United States
| | - Cheng Wang
- Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, United States
| | - Daniel J Cosgrove
- Department of Biology, The Pennsylvania State University, University Park, PA, 16802, United States
| | - Esther W Gomez
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, United States.
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, United States.
| | - Enrique D Gomez
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, United States.
- Department of Materials Science and Engineering and Materials Research Institute, The Pennsylvania State University, University Park, PA, 16802, United States.
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Galsurker O, Doron-Faigenboim A, Teper-Bamnolker P, Daus A, Lers A, Eshel D. Differential response to heat stress in outer and inner onion bulb scales. Journal of Experimental Botany 2018; 69:4047-4064. [PMID: 29788446 PMCID: PMC6054243 DOI: 10.1093/jxb/ery189] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 05/15/2018] [Indexed: 05/28/2023]
Abstract
The formation of brown protective skin in onion bulbs can be induced by rapid post-harvest heat treatment. Onions that are peeled to different depths and are exposed to heat stress show that only the outer scales form the dry brown skin, whereas the inner scales maintain high water content and do not change color. Our study demonstrates that browning of the outer scale during heat treatment is due to an enzymatic process that is associated with high levels of oxidation components, such as peroxidase and quercetin glucoside. De novo transcriptome analysis revealed differential molecular responses of the outer and inner scales to heat stress. Genes involved in lipid metabolism, oxidation pathways, and cell-wall modification were highly expressed in the outer scale during heating. Defense response-related genes such as those encoding heat-shock proteins, antioxidative stress defense, or production of osmoprotectant metabolites were mostly induced in the inner scale in response to heat exposure. These transcriptomic data led to a conceptual model that suggests sequential processes for the development of browning and desiccation of the outer scale versus processes associated with defense response and heat tolerance in the inner scales.
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Affiliation(s)
- Ortal Galsurker
- Department of Postharvest Science of Fresh Produce, The Volcani Center, Agricultural Research Organization, Rishon LeZion, Israel
- The Robert H. Smith Institute of Field Crops and Vegetables, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Adi Doron-Faigenboim
- Institute of Plant Sciences, The Volcani Center, Agricultural Research Organization, Rishon LeZion, Israel
| | - Paula Teper-Bamnolker
- Department of Postharvest Science of Fresh Produce, The Volcani Center, Agricultural Research Organization, Rishon LeZion, Israel
| | - Avinoam Daus
- Department of Postharvest Science of Fresh Produce, The Volcani Center, Agricultural Research Organization, Rishon LeZion, Israel
| | - Amnon Lers
- Department of Postharvest Science of Fresh Produce, The Volcani Center, Agricultural Research Organization, Rishon LeZion, Israel
| | - Dani Eshel
- Department of Postharvest Science of Fresh Produce, The Volcani Center, Agricultural Research Organization, Rishon LeZion, Israel
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Ianni F, Lisanti A, Marinozzi M, Camaioni E, Pucciarini L, Massoli A, Sardella R, Concezzi L, Natalini B. Hydrophobic Amino Acid Content in Onions as Potential Fingerprints of Geographical Origin: The Case of Rossa da Inverno sel. Rojo Duro. Molecules 2018; 23:molecules23061259. [PMID: 29799448 PMCID: PMC6099655 DOI: 10.3390/molecules23061259] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 05/21/2018] [Accepted: 05/21/2018] [Indexed: 11/17/2022] Open
Abstract
In this study, we were interested in comparing the amino acid profile in a specific variety of onion, Rossa da inverno sel. Rojo Duro, produced in two different Italian sites: the Cannara (Umbria region) and Imola (Emilia Romagna region) sites. Onions were cultivated in a comparable manner, mostly in terms of the mineral fertilization, seeding, and harvesting stages, as well as good weed control. Furthermore, in both regions, the plants were irrigated by the water sprinkler method and subjected to similar temperature and weather conditions. A further group of Cannara onions that were grown by micro-irrigation was also evaluated. After the extraction of the free amino acid mixture, an ion-pairing reversed-phase high performance liquid chromatography-evaporative light scattering detector (IP-RP HPLC-ELSD) method allowed for the separation and detection of almost all the standard proteinogenic amino acids. However, only the peaks corresponding to leucine (Leu), phenylalanine (Phe), and tryptophan (Trp), were present in all the investigated samples and they were unaffected from the matrix interfering peaks. The use of the beeswarm/box plots revealed that the content of Leu and Phe were markedly influenced by the geographical origin of the onions (with *** p << 0.001 for Phe), but not by the irrigation procedure. The applied HPLC method was validated in terms of the specificity, the linearity (a logarithm transformation was applied for the method linearization), the limit of detection (LOD) and limit of quantification (LOQ), the accuracy (≥90% for inter-day Recovery percentage), and the precision (≤10.51 for the inter-day RSD percentage), before the quantitative assay of Leu, Phe, and Trp in the onion samples. These preliminary findings are a good starting point for considering the quantity of the specific amino acids in the Rossa da inverno sel. Rojo Duro variety as a fingerprint of its geographical origin.
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Affiliation(s)
- Federica Ianni
- Department of Pharmaceutical Sciences, Section of Chemistry and Technology of Drugs, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy.
| | - Antonella Lisanti
- Department of Pharmaceutical Sciences, Section of Chemistry and Technology of Drugs, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy.
| | - Maura Marinozzi
- Department of Pharmaceutical Sciences, Section of Chemistry and Technology of Drugs, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy.
| | - Emidio Camaioni
- Department of Pharmaceutical Sciences, Section of Chemistry and Technology of Drugs, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy.
| | - Lucia Pucciarini
- Department of Pharmaceutical Sciences, Section of Chemistry and Technology of Drugs, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy.
| | - Andrea Massoli
- 3A-Umbria Agrifood Technology Park, Fraz. Pantalla, 06059 Todi, Italy.
| | - Roccaldo Sardella
- Department of Pharmaceutical Sciences, Section of Chemistry and Technology of Drugs, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy.
| | - Luciano Concezzi
- 3A-Umbria Agrifood Technology Park, Fraz. Pantalla, 06059 Todi, Italy.
| | - Benedetto Natalini
- Department of Pharmaceutical Sciences, Section of Chemistry and Technology of Drugs, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy.
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Seol D, Moon JS, Lee Y, Han J, Jang D, Kang DJ, Moon J, Jang E, Oh JW, Chung H. Feasibility of using a bacteriophage-based structural color sensor for screening the geographical origins of agricultural products. Spectrochim Acta A Mol Biomol Spectrosc 2018; 197:159-165. [PMID: 29371082 DOI: 10.1016/j.saa.2018.01.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/26/2017] [Accepted: 01/04/2018] [Indexed: 06/07/2023]
Abstract
An M13 bacteriophage-based color sensor, which can change its structural color upon interaction with a gaseous molecule, was evaluated as a screening tool for the discrimination of the geographical origins of three different agricultural products (garlic, onion, and perilla). Exposure of the color sensor to sample odors induced the self-assembled M13 bacteriophage bundles to swell by the interaction of amino acid residues (repeating units of four glutamates) on the bacteriophage with the odor components, resulting in a change in the structural color of the sensor. When the sensor was exposed to the odors of garlic and onion samples, the RGB color changes were considerable because of the strong interactions of the odor components such as disulfides with the glutamate residues on the sensor. Although the patterns of the color variations were generally similar between the domestic and imported samples, some degrees of dissimilarities in their intensities were also observed. Although the magnitude of color change decreased for perilla, the color change patterns between the two groups were somewhat different. With the acquired RGB data, a support vector machine was employed to distinguish the domestic and imported samples, and the resulting accuracies in the measurements of garlic, onion, and perilla samples were 94.1, 88.7, and 91.6%, respectively. The differences in the concentrations of the odor components between both groups and/or the presence of specific components exclusively in the odor of one group allowed the color sensor-based discrimination. The demonstrated color sensor was thus shown to be a potentially versatile and simple as an on-site screening tool. Strategies able to further improve the sensor performance were also discussed.
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Affiliation(s)
- Daun Seol
- Department of Chemistry and Research Institute for Convergence of Basic Sciences, Hanyang University, Seoul 04763, Republic of Korea
| | - Jong-Sik Moon
- BK21 Plus Division of Nano Convergence Technology, Pusan National University, Busan 46241, Republic of Korea
| | - Yujin Lee
- Department of Nano Fusion Technology, Pusan National University, Busan 46241, Republic of Korea
| | - Jiye Han
- Department of Nano Fusion Technology, Pusan National University, Busan 46241, Republic of Korea
| | - Daeil Jang
- Department of Mathematics, College of Natural Sciences, Hanyang University, Seoul, Republic of Korea
| | - Dong-Jin Kang
- Experiment Research Institute, National Agricultural Products Quality Management Service(NAQS), Gimcheon-si 39660, Republic of Korea
| | - Jiyoung Moon
- Experiment Research Institute, National Agricultural Products Quality Management Service(NAQS), Gimcheon-si 39660, Republic of Korea
| | - Eunjin Jang
- Department of Chemistry and Research Institute for Convergence of Basic Sciences, Hanyang University, Seoul 04763, Republic of Korea
| | - Jin-Woo Oh
- BK21 Plus Division of Nano Convergence Technology, Pusan National University, Busan 46241, Republic of Korea; Department of Nano Fusion Technology, Pusan National University, Busan 46241, Republic of Korea; Department of Nanoenergy Engineering, Pusan National University, Busan 46241, Republic of Korea.
| | - Hoeil Chung
- Department of Chemistry and Research Institute for Convergence of Basic Sciences, Hanyang University, Seoul 04763, Republic of Korea.
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Yuan Q, Song C, Gao L, Zhang H, Yang C, Sheng J, Ren J, Chen D, Wang Y. Transcriptome de novo assembly and analysis of differentially expressed genes related to cytoplasmic male sterility in onion. Plant Physiol Biochem 2018; 125:35-44. [PMID: 29413629 DOI: 10.1016/j.plaphy.2018.01.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 01/17/2018] [Accepted: 01/17/2018] [Indexed: 06/08/2023]
Abstract
Onion (Allium cepa L.) is one of the major vegetables in China and accounts for a large proportion of China's vegetable exports. Onion cytoplasmic male sterility, which is often used in onion breeding, is caused by the interaction between the nuclear genes and the cytoplasm. However, the underlying molecular mechanism of onion cytoplasmic male sterility remains unclear. In this study, we analysed the anther microstructure of the onion cytoplasmic male sterile line SA2 and the onion maintainer line SB2. We found that the pollen abortion in SA2 occurred at the tetrad stage during the microspore development, which was very different from that in SB2. We used the Illumina HiSeq platform to sequence RNA from anthers at the tetrad stage collected from the SA2 and SB2 lines. The RNA sequencing and transcriptome assembly produced 146,413 All-Unigenes. Based on an analysis of the differentially expressed genes, we identified two cytoplasmic control genes, atp9 and cox1, and three nuclear-related genes, SERK1, AG and AMS. These transcriptomic results were also verified by fluorescence quantitative PCR. Our study provides important information about genes related to onion cytoplasmic male sterility, and it will help improve the understanding of the molecular mechanism of onion cytoplasmic male sterility.
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Affiliation(s)
- Qiaoling Yuan
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China
| | - Ce Song
- Department of Plant Biology and Ecology, College of Life Science, Nankai University, China
| | - Luyao Gao
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China
| | - Huihui Zhang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China
| | - Cuicui Yang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China
| | - Jie Sheng
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China
| | - Jian Ren
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China
| | - Dian Chen
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China
| | - Yong Wang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture, Harbin 150030, China.
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Marefati N, Eftekhar N, Kaveh M, Boskabadi J, Beheshti F, Boskabady M. The Effect of Allium cepa Extract on Lung Oxidant, Antioxidant, and Immunological Biomarkers in Ovalbumin-Sensitized Rats. Med Princ Pract 2018; 27:122-128. [PMID: 29471299 PMCID: PMC5968249 DOI: 10.1159/000487885] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Accepted: 02/22/2018] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVES To evaluate the effects of Allium cepa (A. cepa) on levels of oxidants, antioxidants, and immunological markers in bronchoalveolar lavage fluids (BALF) of sensitized rats. MATERIALS AND METHODS Oxidant/antioxidant markers and cytokines in BALF of control rats treated with saline (group C), ovalbumin-sensitized rats (group S), rats treated with 1.25 μg/mL dexamethasone and 3 doses of A. cepa extract (35, 70, and 140 mg/kg body weight [BW]/day) (S + AC) were investigated. Comparison of the results between groups was performed using analysis of variance with the Tukey-Kramer post hoc test. RESULTS The oxidant markers nitrogen dioxide (NO2), nitrate (NO3-), and malondialdehyde (MDA), and immunological markers interleukin (IL)-4 and immunoglobulin E (IgE) were significantly higher, but the antioxidant markers superoxide dismutase (SOD), catalase (CAT), thiol, and interferon (IFN)-γ, and the IFN-γ/IL-4 ratio were lower in sensitized rats compared to control rats (p < 0.001 to p < 0.01). Compared to group S, the levels of the following markers were significantly lower: NO2, NO3-, and IgE in groups treated with the A. cepa extract, MDA and IL-4 levels in groups treated with 70 and 140 mg/kg BW/day of the A. cepa extract, and all these markers as well as IFN-γ in rats treated with dexamethasone (p < 0.001 to p < 0.05). However, there were significantly higher levels of SOD and CAT and an increased IFN-γ/IL-4 ratio (groups treated with 70 and 140 mg/kg BW/day of the A. cepa extract), and levels of thiol and IFN-γ (group treated with 140 mg/kg BW/day of the A. cepa extract) as well as SOD, CAT, and thiol (dexamethasone-treated group) versus group S (p < 0.00 to p < 0.05). CONCLUSION A. cepa showed antioxidant and immunomodulatory properties in sensitized rats.
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Affiliation(s)
- N. Marefati
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - N. Eftekhar
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M. Kaveh
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - J. Boskabadi
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - F. Beheshti
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M.H. Boskabady
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- *Mohammad Hossein Boskabady, Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad (Iran), E-Mail or
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Mollavali M, Perner H, Rohn S, Riehle P, Hanschen FS, Schwarz D. Nitrogen form and mycorrhizal inoculation amount and timing affect flavonol biosynthesis in onion (Allium cepa L.). Mycorrhiza 2018; 28:59-70. [PMID: 28948352 PMCID: PMC5748431 DOI: 10.1007/s00572-017-0799-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 08/31/2017] [Indexed: 05/20/2023]
Abstract
Mycorrhizal symbiosis is known to be the most prevalent form of fungal symbiosis with plants. Although some studies focus on the importance of mycorrhizal symbiosis for enhanced flavonoids in the host plants, a comprehensive understanding of the relationship still is lacking. Therefore, we studied the effects of mycorrhizal inoculation of onions (Allium cepa L.) regarding flavonol concentration and the genes involved in flavonol biosynthesis when different forms of nitrogen were supplied. We hypothesized that mycorrhizal inoculation can act as a biotic stress and might lead to an increase in flavonols and expression of related genes. The three main quercetin compounds [quercetin-3,4'-di-O-β-D-glucoside (QDG), quercetin-4'-O-β-D-glucoside (QMG), and isorhamnetin-4'-O-β-D-glucoside (IMG)] of onion bulbs were identified and analyzed after inoculating with increasing amounts of mycorrhizal inocula at two time points and supplying either predominantly NO3- or NH4+ nitrogen. We also quantified plant dry mass, nutrient element uptake, chalcone synthase (CHS), flavonol synthase (FLS), and phenyl alanine lyase (PAL) gene expression as key enzymes for flavonol biosynthesis. Inoculation with arbuscular mycorrhizal fungi (highest amount) and colonization at late development stages (bulb growth) increased QDG and QMG concentrations if plants were additionally supplied with predominantly NH4+. No differences were observed in the IMG content. RNA accumulation of CHS, FLS, and PAL was affected by the stage of the mycorrhizal symbiosis and the nitrogen form. Accumulation of flavonols was not correlated, however, with either the percentage of myorrhization or the abundance of transcripts of flavonoid biosynthesis genes. We found that in plants at late developmental stages, RNA accumulation as a reflection of a current physiological situation does not necessarily correspond with the content of metabolites that accumulate over a long period. Our findings suggest that nitrogen form can be an important factor determining mycorrhizal development and that both nitrogen form and mycorrhizas interact to influence flavonol biosynthesis.
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Affiliation(s)
- Mohanna Mollavali
- Vegetable Physiology Laboratory, Department of Horticulture, University of Tabriz, Tabriz, Iran
- Leibniz Institute for Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979, Großbeeren, Germany
| | - Henrike Perner
- Leibniz Institute for Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979, Großbeeren, Germany
| | - Sascha Rohn
- Institute of Food Chemistry, Hamburg School of Food Science, University Hamburg, Grindelallee 117, 20146, Hamburg, Germany
| | - Peer Riehle
- Institute of Food Chemistry, Hamburg School of Food Science, University Hamburg, Grindelallee 117, 20146, Hamburg, Germany
| | - Franziska S Hanschen
- Leibniz Institute for Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979, Großbeeren, Germany
| | - Dietmar Schwarz
- Leibniz Institute for Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979, Großbeeren, Germany.
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Khan MSI, Lee EJ, Hong SI, Kim YJ. Feed gas effect on plasma inactivation mechanism of Salmonella Typhimurium in onion and quality assessment of the treated sample. Sci Rep 2017; 7:17728. [PMID: 29255234 PMCID: PMC5735169 DOI: 10.1038/s41598-017-17579-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 11/28/2017] [Indexed: 11/13/2022] Open
Abstract
A submerged dielectric barrier discharge (DBD) plasma reactor was used to inactivate artificially inoculated reference strains of Salmonella Typhimurium ATCC 14028 on sliced onion (3 cm × 3 cm). Salmonella Typhimurium reductions obtained after 10 min of treatment were 3.96 log CFU/slice and 1.64 log CFU/slice for clean dry air and N2 feed gas, respectively. Variations observed in Optical Emission Spectra (OES) for different feed gases are responsible for the inactivation level variations of Salmonella Typhimurium. The physiochemical properties of the onion slices, such as quercetin content, ascorbic acid content and color parameters, were monitored before and after treatment and the changes that occurred were measured to be in the acceptable range. Quercetin content was reduced only 3.74-5.07% for 10 min treatment, higher reduction was obtained for the use of clean dry air than that of N2 feed gas. Ascorbic acid loss was measured to be 11.82% and 7.98% for a 10 min treatment with clean dry air and N2 feed gas, respectively. The color parameters did not show significant changes upon treatment (p > 0.05) of the same duration for the uses of different feed gases.
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Affiliation(s)
- Muhammad Saiful Islam Khan
- Department of Food Biotechnology, University of Science and Technology, Daejeon, 305-350, Republic of Korea
| | - Eun-Jung Lee
- Faculty of Food Science and Biotechnology, College of Life Science, Sejong University, 209 Neungdong-ro, Gwangjin-gu, Seoul, 05006, Republic of Korea
| | - Seok-In Hong
- Food Safety Research Group, Korea Food Research Institute, 245 Nongsaengmyeong-Ro Iseo-Myeon, Wanju-Gun, Jeollabuk-Do 55365, Republic of Korea
| | - Yun-Ji Kim
- Department of Food Biotechnology, University of Science and Technology, Daejeon, 305-350, Republic of Korea.
- Food Safety Research Group, Korea Food Research Institute, 245 Nongsaengmyeong-Ro Iseo-Myeon, Wanju-Gun, Jeollabuk-Do 55365, Republic of Korea.
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Manna I, Bandyopadhyay M. Engineered nickel oxide nanoparticles affect genome stability in Allium cepa (L.). Plant Physiol Biochem 2017; 121:206-215. [PMID: 29136573 DOI: 10.1016/j.plaphy.2017.11.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 11/06/2017] [Accepted: 11/06/2017] [Indexed: 06/07/2023]
Abstract
Indiscriminate uses of engineered nickel oxide nanoparticles (NiO-NPs) in heavy industries have ushered their introduction into the natural environment, ensuing novel interactions with biotic components of the ecosystem. Though much is known about the toxicity of NiO-NPs on animals, their phytotoxic potential is not well elucidated. NiO-NP hinders intra-cellular homeostasis by producing ROS in excess, having profound effect on the antioxidant profile of exposed animal and plant tissues. In the present study, bulbs of the model plant Allium cepa were treated with varying concentrations of NiO-NP (10 mg L-1 - 500 mg L-1) to study changes in ROS production and potential genotoxic effect. The data generated proved a concomitant upsurge in intracellular ROS accumulation with NiO-NP dosage that could be correlated with increased genotoxicity in A. cepa. Augmented in situ ROS production was revealed through DCFH-DA assay, with highest increase in fluorescence (70% over control) in bulbs exposed to 125 mg L-1 NiO-NP. Effect of NiO-NP on genomic DNA was studied through detailed analyses of RAPD profiles which allows detection of even slightest changes in DNA sequence of treated plants. Significant differences in band intensity, loss and appearance of bands as well as genomic template stability and band sharing indices of treated plants revealed increased vulnerability of genomic DNA to NiO-NP, at even lowest concentration (10 mg L-1). This is the first report of NiO-NP induced genotoxicity on A. cepa, which confirms the nanoparticle as a potent environmental hazard.
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Affiliation(s)
- Indrani Manna
- Plant Molecular Cytogenetics Laboratory, Centre of Advanced Study, Department of Botany, Ballygunge Science College, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Maumita Bandyopadhyay
- Plant Molecular Cytogenetics Laboratory, Centre of Advanced Study, Department of Botany, Ballygunge Science College, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, India.
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50
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Dangol S, Singh R, Chen Y, Jwa NS. Visualization of Multicolored in vivo Organelle Markers for Co-Localization Studies in Oryza sativa. Mol Cells 2017; 40:828-836. [PMID: 29113428 PMCID: PMC5712512 DOI: 10.14348/molcells.2017.0045] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 09/19/2017] [Accepted: 09/27/2017] [Indexed: 11/27/2022] Open
Abstract
Eukaryotic cells consist of a complex network of thousands of proteins present in different organelles where organelle-specific cellular processes occur. Identification of the subcellular localization of a protein is important for understanding its potential biochemical functions. In the post-genomic era, localization of unknown proteins is achieved using multiple tools including a fluorescent-tagged protein approach. Several fluorescent-tagged protein organelle markers have been introduced into dicot plants, but its use is still limited in monocot plants. Here, we generated a set of multicolored organelle markers (fluorescent-tagged proteins) based on well-established targeting sequences. We used a series of pGWBs binary vectors to ameliorate localization and co-localization experiments using monocot plants. We constructed different fluorescent-tagged markers to visualize rice cell organelles, i.e., nucleus, plastids, mitochondria, peroxisomes, golgi body, endoplasmic reticulum, plasma membrane, and tonoplast, with four different fluorescent proteins (FPs) (G3GFP, mRFP, YFP, and CFP). Visualization of FP-tagged markers in their respective compartments has been reported for dicot and monocot plants. The comparative localization of the nucleus marker with a nucleus localizing sequence, and the similar, characteristic morphology of mCherry-tagged Arabidopsis organelle markers and our generated organelle markers in onion cells, provide further evidence for the correct subcellular localization of the Oryza sativa (rice) organelle marker. The set of eight different rice organelle markers with four different FPs provides a valuable resource for determining the sub-cellular localization of newly identified proteins, conducting co-localization assays, and generating stable transgenic localization in monocot plants.
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Affiliation(s)
- Sarmina Dangol
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006,
Korea
| | - Raksha Singh
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006,
Korea
| | - Yafei Chen
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006,
Korea
| | - Nam-Soo Jwa
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006,
Korea
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