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https://www.readbyqxmd.com/read/28645519/the-repellent-efficacy-of-eleven-essential-oils-against-adult-dermacentor-reticulatus-ticks
#1
Katarína Štefanidesová, Ľudovít Škultéty, Olivier A E Sparagano, Eva Špitalská
Dermacentor reticulatus ticks are among the most important arthropod vectors of zoonotic disease agents in Europe. Eleven essential oils, namely basil (Ocimum basilicum), bergamot (Citrus bergamia), clove bud (Syzygium aromaticum), citronella (Cymbopogon winterianus), creeping thyme (Thymus serpyllum), lavender (Lavandula angustifolia), lemon-scented gum (Corymbia citriodora), marjoram (Origanum majorana), peppermint (Mentha piperita), spearmint (M. spicata), and red thyme (Thymus vulgaris) were tested for repellency against adult D...
June 15, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28645488/characterization-and-expression-patterns-of-key-ecdysteroid-biosynthesis-and-signaling-genes-in-a-spider-mite-panonychus-citri
#2
Gang Li, Jinzhi Niu, Moises Zotti, Qinzhe Sun, Lin Zhu, Jun Zhang, Chongyu Liao, Wei Dou, Dandan Wei, Jinjun Wang, Guy Smagghe
Ecdysteroids play a crucial role in regulating molting in the phylum of Arthropoda and much is known with members of the subphylum of Hexapoda including the Insecta. However, this is still unclear in key pests as spider mites belonging to the subphylum of Chelicerata that originated earlier in the Cambrian period. In this study, we investigated 14 key genes of ecdysteroid biosynthesis and signaling and their expression over the different developmental stages in the citrus red mite, Panonychus citri (Acari: Stigmaeidae)...
June 20, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28643888/combination-of-citrus-polymethoxyflavones-green-tea-polyphenols-and-lychee-extracts-suppresses-obesity-and-hepatic-steatosis-in-high-fat-diet-induced-obese-mice
#3
Min-Hsiung Pan, Guliang Yang, Shiming Li, Ming-Yi Li, Mei-Ling Tsai, Jia-Ching Wu, Vladimir Badmaev, Chi-Tang Ho, Ching-Shu Lai
SCOPE: SlimTrym(®) is a formulated product composed of citrus polymethoxyflavones (PMFs), green tea extract and lychee extract. We investigated the effect of dietary SlimTrym(®) on diet-induced obesity and associated non-alcoholic fatty liver disease (NAFLD) in mice. METHODS AND RESULTS: Male C57BL/6 mice were fed a normal diet (ND), high fat diet (HFD) or HFD containing 0.1% or 0.5% SlimTrym(®) for sixteen weeks. Dietary SlimTrym(®) significantly reduced weight gain and relative perigonadal, retroperitoneal, mesenteric fat weight as well as the size of adipocyte in HFD-fed mice...
June 23, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28642704/quercetin-a-lead-compound-against-type-2-diabetes-ameliorates-glucose-uptake-via-ampk-pathway-in-skeletal-muscle-cell-line
#4
R Dhanya, A D Arya, P Nisha, P Jayamurthy
Herein we investigated the molecular mechanism of action of the citrus flavonoid, quercetin in skeletal muscle cells (L6 myotubes). Taking advantage of protein kinase inhibitors, we proved that the effect of quercetin on 2-NBDG uptake in L6 myotubes was not through insulin signaling pathway, but through adenosine monophosphate kinase (AMPK) pathway and its downstream target p38 MAPK. An increase in the cellular AMP to ATP ratio on pretreatment may account for AMPK activation which was coupled with a transient change in mitochondrial membrane potential...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28641051/beneficial-role-of-citrus-fruit-polyphenols-against-hepatic-dysfunctions-a-review
#5
Md Mohabbulla Mohib, Kazi Afnan, Tasfiq Zaman Paran, Salma Khan, Juthika Sarker, Nahid Hasan, Istiaque Hasan, Md Abu Taher Sagor
Alcoholic liver diseases and virus-induced hepatic dysfunctions are prevalent in western countries. Evidence also suggests that hyperglycemia and insulin resistance are key players in the development of hepatic diseases and their complications. Since the comorbid diseases like obesity, diabetes and vascular dysfunctions primarily affect liver, the modern therapies against other hepatic dysfunctions are becoming a major challenge to treat. In addition to these, polypharmacy and adverse drug reactions (ADRs) are further aggravating the phenomenon...
June 22, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28639022/citrus-stand-ages-regulate-the-fraction-alteration-of-soil-organic-carbon-under-a-citrus-stropharua-rugodo-annulata-intercropping-system-in-the-three-gorges-reservoir-area-china
#6
Yang Zhang, Jiupai Ni, John Yang, Tong Zhang, Deti Xie
Soil carbon fractionation is a valuable indicator in assessing stabilization of soil organic matter and soil quality. However, limited studies have addressed how different vegetation stand ages under intercropping agroforestry systems, could affect organic carbon (OC) accumulation in bulk soil and its physical fractions. A field study thus investigated the impact of citrus plantation age (15-, 25-, and 45-year citrus) on the bulk soil organic carbon (SOC) and SOC fractions and yields of Stropharia rugoso-annulata (SRA) in the Three Gorges Reservoir area, Chongqing, China...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28638395/modulation-of-antioxidant-defense-system-is-associated-with-combined-drought-and-heat-stress-tolerance-in-citrus
#7
Sara I Zandalinas, Damián Balfagón, Vicent Arbona, Aurelio Gómez-Cadenas
Drought and high temperatures are two major abiotic stress factors that often occur simultaneously in nature, affecting negatively crop performance and yield. Moreover, these environmental challenges induce oxidative stress in plants through the production of reactive oxygen species (ROS). Carrizo citrange and Cleopatra mandarin are two citrus genotypes with contrasting ability to cope with the combination of drought and heat stress. In this work, a direct relationship between an increased antioxidant activity and stress tolerance is reported...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28637377/the-candidatus-liberibacter-host-interface-insights-into-pathogenesis-mechanisms-and-disease-control
#8
Nian Wang, Elizabeth A Pierson, João Carlos Setubal, Jin Xu, Julien G Levy, Yunzeng Zhang, Jinyun Li, Luiz Thiberio Rangel, Joaquim Martins
"Candidatus Liberibacter" species are associated with economically devastating diseases of citrus, potato, and many other crops. The importance of these diseases as well as the proliferation of new diseases on a wider host range is likely to increase as the insects vectoring the "Ca. Liberibacter" species expand their territories worldwide. Here, we review the progress on understanding pathogenesis mechanisms of "Ca. Liberibacter" species and the control approaches for diseases they cause. We discuss the Liberibacter virulence traits, including secretion systems, putative effectors, and lipopolysaccharides (LPSs), as well as other important traits likely to contribute to disease development, e...
June 21, 2017: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/28633366/magnesium-deficiency-induced-alterations-of-gas-exchange-major-metabolites-and-key-enzymes-differ-among-roots-and-lower-and-upper-leaves-of-citrus-sinensis-seedlings
#9
Chun-Ping Li, Yi-Ping Qi, Jiang Zhang, Lin-Tong Yang, Dan-Hong Wang, Xin Ye, Ning-Wei Lai, Ling-Ling Tan, Dan Lin, Li-Song Chen
Magnesium (Mg)-deficiency is a widespread problem adversely affecting the quality and yield of crops, including citrus. 'Xuegan' [Citrus sinensis (L.) Osbeck] seedlings were irrigated every other day with nutrient solution at an Mg concentration of 0 mM (Mg-deficiency) or 1 mM (Mg-sufficiency) for 16 weeks. Thereafter, biomass, leaf mass per area, ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco), pigments in the upper and lower leaves, Mg, gas exchange, organic acids, nonstructural carbohydrates, total soluble proteins, amino acids, phenolics and anthocyanins, and key enzymes related to organic acid, amino acid and phenolic metabolisms in the roots, and upper and lower leaves were assayed in order to test the hypothesis that Mg-deficiency-induced alterations of gas exchange, major metabolites and key enzymes may differ among the roots, and upper and lower leaves...
June 14, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28633340/citrus-citnac62-cooperates-with-citwrky1-to-participate-in-citric-acid-degradation-via-up-regulation-of-citaco3
#10
Shao-Jia Li, Xue-Ren Yin, Wen-Li Wang, Xiao-Fen Liu, Bo Zhang, Kun-Song Chen
Citric acid is the predominant organic acid of citrus fruit. Degradation of citric acid occurs during fruit development, influencing fruit acidity. Associations of CitAco3 transcripts and citric acid degradation have been reported for citrus fruit. Here, transient overexpression of CitAco3 significantly reduced the citric acid content of citrus leaves and fruits. Using dual luciferase assays, it was shown that CitNAC62 and CitWRKY1 could transactivate the promoter of CitAco3. Subcellular localization results showed that CitWRKY1 was located in the nucleus and CitNAC62 was not...
June 15, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28633053/the-major-alternaria-alternata-allergen-alt-a-1-a-reliable-and-specific-marker-of-fungal-contamination-in-citrus-fruits
#11
M F Gabriel, N Uriel, F Teifoori, I Postigo, E Suñén, J Martínez
The ubiquitously present spores of Alternaria alternata can spoil a wide variety of foodstuffs, including a variety of fruits belonging to the Citrus genus. The major allergenic protein of A. alternata, Alt a 1, is a species-specific molecular marker that has been strongly associated with allergenicity and phytopathogenicity of this fungal species. This study aimed to evaluate the potential of the detection of Alt a 1 as a reliable indicator of A. alternata contamination in citrus fruits. To accomplish this aim, sixty oranges were artificially infected with a spore suspension of A...
June 8, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28632769/combining-omics-and-microscopy-to-visualize-interactions-between-the-asian-citrus-psyllid-vector-and-the-huanglongbing-pathogen-candidatus-liberibacter-asiaticus-in-the-insect-gut
#12
Angela Kruse, Somayeh Fattah-Hosseini, Surya Saha, Richard Johnson, EricaRose Warwick, Kasie Sturgeon, Lukas Mueller, Michael J MacCoss, Robert G Shatters, Michelle Cilia Heck
Huanglongbing, or citrus greening disease, is an economically devastating bacterial disease of citrus. It is associated with infection by the gram-negative bacterium Candidatus Liberibacter asiaticus (CLas). CLas is transmitted by Diaphorina citri, the Asian citrus psyllid (ACP). For insect transmission to occur, CLas must be ingested during feeding on infected phloem sap and cross the gut barrier to gain entry into the insect vector. To investigate the effects of CLas exposure at the gut-pathogen interface, we performed RNAseq and mass spectrometry-based proteomics to analyze the transcriptome and proteome, respectively, of ACP gut tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28631804/mandarin-fruit-quality-a-review
#13
REVIEW
Livnat Goldenberg, Yossi Yaniv, Ron Porat, Nir Carmi
During the last decade, there has been a continuous rise in consumption and global marketing of fresh, easy-to-peel mandarins, with current annual production of nearly 29 million tons. Nevertheless, most of the existing knowledge on quality traits of citrus fruit comes from research conducted on oranges and grapefruit, which are the main products for the citrus juice manufacturing industry; relatively little is yet known regarding the unique fruit quality traits of mandarins, nor about the great diversity in these traits among the various natural sub-groups and varieties of mandarins...
June 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28630702/evaluation-of-an-in-vitro-fibre-fermentation-method-using-feline-faecal-inocula-repeatability-and-reproducibility
#14
Guido Bosch, Lisa Heesen, Karine de Melo Santos, Wilbert F Pellikaan, John W Cone, Wouter H Hendriks
To gain knowledge on the precision of an in vitro method for characterisation of the fermentability of dietary fibres, this study aimed to evaluate the repeatability and reproducibility of such a method. Substrates used were citrus pectin (CP), fructo-oligosaccharides (FOS), guar gum (GG), sugar beet pulp (SBP) and wheat middlings (WM). Each substrate was incubated with faecal inoculum from five cats with three replicates for each substrate-cat combination. Gas production was measured continuously during the 48 h incubation and SCFA and organic matter disappearance (only SBP and WM) were determined after incubation...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28630701/evaluation-of-an-in-vitro-fibre-fermentation-method-using-feline-faecal-inocula-inter-individual-variation
#15
Guido Bosch, Lisa Heesen, Karine de Melo Santos, John W Cone, Wilbert F Pellikaan, Wouter H Hendriks
The present study aimed to evaluate the inter-individual variability in fermentation of standard fibrous substrates by faecal inocula from ten healthy adult female cats. Substrates were citrus pectin (CP), fructo-oligosaccharides (FOS), guar gum (GG), sugar beet pulp (SBP) and wheat middlings (WM). Each substrate was incubated with faecal inoculum from each cat. Gas production was measured continuously during the 48 h incubation and SCFA and organic matter disappearance (only SBP and WM) after incubation. Out of ten cats, nine produced faeces on the days of inoculum preparation...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28629290/functional-foods-how-functional-are-they-a-case-report-of-supplement-induced-psychosis
#16
Priyanka Yadav, Kyle Stigall, Hannah E Johnson, Abner O Rayapati, Nitin Chopra
There is rising evidence of patients' use of alternative and complementary medicine. The percentage of the U.S. population who used at least one dietary supplement increased from 42% in 1988-1994 to 53% in 2003-2006. We present a case of an Asian female in her 40s, with no previous psychiatric illness, who presented to the emergency room following a brief psychotic episode, during which she self-amputated the tips of her fingers, after using multivitamins and herbal supplements including ginseng, gui yuan rou (Chinese herb), astaxanthin, goji (Chinese fruit), selenium, saw palmetto, grape seed extract, citrus bioflavanoid, lutein (zeaxantin), resvexatrol, sun chlorella, spirulina powder, phytoceramides, phytoestrogen, glucosatrin, bromelain plus, and American bee pollen...
August 2016: International Journal of Psychiatry in Medicine
https://www.readbyqxmd.com/read/28624621/innate-immune-system-capabilities-of-the-asian-citrus-psyllid-diaphorina-citri
#17
Alex P Arp, Xavier Martini, Kirsten S Pelz-Stelinski
Citrus production worldwide is currently threatened by Huanglongbing, or citrus greening disease. The associated pathogen, Candidatus Liberibacter asiaticus (CLas), is transmitted by the Asian citrus psyllid, Diaphorina citri. Annotation of the D. citri genome revealed a reduced innate immune system lacking a number of antimicrobial peptides and the Imd pathway associated with defense against Gram-negative bacteria. We characterized this apparent immune reduction in survival assays in which D. citri were exposed to Gram-negative or Gram-positive bacteria...
June 15, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28623785/in-vitro-studies-on-nobiletin-isolated-from-citrus-plants-and-the-bioactive-metabolites-inhibitory-action-against-gelatinase-enzymatic-activity-and-the-molecular-mechanisms-in-human-retinal-m%C3%A3-ller-cell-line
#18
Yoshiki Miyata, Terumasa Nagase, Yoshiya Katsura, Hideyo Takahashi, Hideaki Natsugari, Tetsuta Oshitari, Hiroshi Kosano
Diabetic retinopathy (DR) is the most common cause of vision loss in patients with diabetes mellitus. Despite the presence of effective therapy, DR is still a significant health burden. A recent research suggests that matrix metalloproteinases (MMPs) could be promising targets, which exert multiple actions on early- and late-stage pathogenesis of DR. Among the MMP family, gelatinases (MMP-2 and MMP-9) act as potent proinflammatory, proangiogenic, and pro-apoptotic factors. Therefore, the pharmacological inhibitory effect of gelatinases on retinal MMP-producing cells may be useful in the treatment or prevention of DR...
June 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28622618/recovery-and-purification-of-limonin-from-pummelo-citrus-grandis-peel-using-water-extraction-ammonium-sulfate-precipitation-and-resin-adsorption
#19
Yuan Fan Yang, Liang Zheng Zhang, Xi Ping Du, Su Fang Zhang, Li Jun Li, Ze Dong Jiang, Li Ming Wu, Hui Ni, Feng Chen
Limonin is a bioactive compound that is traditionally extracted from citrus seeds using organic solvents or alkaline/metal ion solutions. In the present study, pummelo [Citrus grandis] peel was investigated for limonin preparation using a novel process consisting of water extraction, ammonium sulfate precipitation and resin adsorption. The pummelo peel was determined to have 4.7mg/g limonin, which could be extracted by water and further recovered by ammonium sulfate precipitation with a yield of 2.4mg/g, which was similar to that of traditional process using ethanol extraction and vacuumed evaporation...
June 3, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28620988/when-do-predatory-mites-phytoseiidae-attack-understanding-their-diel-and-seasonal-predation-patterns
#20
Consuelo Pérez-Sayas, Ernestina Aguilar-Fenollosa, Mónica A Hurtado, Josep A Jaques, Tatiana Pina
Predatory mites of the Phytoseiidae family are considered one of the most important groups of natural enemies used in biological control. The behavioral patterns of arthropods can differ greatly daily and seasonally; however, there is a lack of literature related to Phytoseiidae diel and seasonal predation patterns. The predatory activity of three phytoseiid species (two Tetranychidae-specialists, Phytoseiulus persimilis and Neoseiulus californicus, and one omnivore, Euseius stipulatus) that occur naturally in Spanish citrus orchards was observed under laboratory conditions in winter and summer...
June 16, 2017: Insect Science
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