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https://www.readbyqxmd.com/read/29120792/influence-of-different-cultivation-systems-on-bioactivity-of-asparagus
#1
Yang Gyu Ku, Dong Hyeon Kang, Choung Keun Lee, Si Young Lee, Chan Seok Ryu, Dong Eok Kim, Martin Polovka, Jacek Namieśnik, Shela Gorinstein
Evaluation of functional and bioactive compounds of Asparagus officinalis L. growing in conventional and organic greenhouse and conventional open - field farming was the aim of this research. Polyphenols in cladodes grown conventionally were higher than organic. Flavonoids and carotenoids were the highest in cladodes in open field. Organic spears were richer in total phenolics (+6.9% and +19.1%) and flavonoids (+4.7% and 16.8%) and showed higher in vitro averages of antioxidant activities by three radical scavenging assays (+12...
April 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29093472/the-asparagus-genome-sheds-light-on-the-origin-and-evolution-of-a-young-y-chromosome
#2
Alex Harkess, Jinsong Zhou, Chunyan Xu, John E Bowers, Ron Van der Hulst, Saravanaraj Ayyampalayam, Francesco Mercati, Paolo Riccardi, Michael R McKain, Atul Kakrana, Haibao Tang, Jeremy Ray, John Groenendijk, Siwaret Arikit, Sandra M Mathioni, Mayumi Nakano, Hongyan Shan, Alexa Telgmann-Rauber, Akira Kanno, Zhen Yue, Haixin Chen, Wenqi Li, Yanling Chen, Xiangyang Xu, Yueping Zhang, Shaochun Luo, Helong Chen, Jianming Gao, Zichao Mao, J Chris Pires, Meizhong Luo, Dave Kudrna, Rod A Wing, Blake C Meyers, Kexian Yi, Hongzhi Kong, Pierre Lavrijsen, Francesco Sunseri, Agostino Falavigna, Yin Ye, James H Leebens-Mack, Guangyu Chen
Sex chromosomes evolved from autosomes many times across the eukaryote phylogeny. Several models have been proposed to explain this transition, some involving male and female sterility mutations linked in a region of suppressed recombination between X and Y (or Z/W, U/V) chromosomes. Comparative and experimental analysis of a reference genome assembly for a double haploid YY male garden asparagus (Asparagus officinalis L.) individual implicates separate but linked genes as responsible for sex determination...
November 2, 2017: Nature Communications
https://www.readbyqxmd.com/read/29069955/shatavarin-iv-elicits-lifespan-extension-and-alleviates-parkinsonism-in-caenorhabditis-elegans
#3
Shachi Shuchi Smita, Shreesh Raj Sammi, Tulsankar S Laxman, Rabi S Bhatta, Rakesh Pandey
Shatavarin IV (SIV), a steroidal saponin is a major bioactive phytomolecule present in roots of Asparagus racemosus (Liliaceae) known for its anticancer activity. Age associated neurodegenerative Parkinson's disease (PD) is characterized by alpha-synuclein aggregation in dopaminergic neuron resulting in neurodegeneration. The invention of bioactive molecules that delay aging and age associated disorders endorses development of natural phytomolecule as a therapeutic agent for curing age related diseases. Therefore, present study for the first time explores the potential of SIV against aging and Parkinsonism utilizing Caenorhabditis elegans model system...
October 25, 2017: Free Radical Research
https://www.readbyqxmd.com/read/29043589/assessment-of-filtration-efficiency-and-physiological-responses-of-selected-plant-species-to-indoor-air-pollutants-toluene-and-2-ethylhexanol-under-chamber-conditions
#4
Vanessa Hörmann, Klaus-Reinhard Brenske, Christian Ulrichs
Three common plant species (Dieffenbachia maculata, Spathiphyllum wallisii, and Asparagus densiflorus) were tested against their capacity to remove the air pollutants toluene (20.0 mg m(-3)) and 2-ethylhexanol (14.6 mg m(-3)) under light or under dark in chamber experiments of 48-h duration. Results revealed only limited pollutant filtration capabilities and indicate that aerial plant parts of the tested species are only of limited value for indoor air quality improvement. The removal rate constant ranged for toluene from 3...
October 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28968926/immunopotentiating-significance-of-conventionally-used-plant-adaptogens-as-modulators-in-biochemical-and-molecular-signalling-pathways-in-cell-mediated-processes
#5
REVIEW
Pardeep Kaur, Robin, Victor O Makanjuola, Rohit Arora, Balbir Singh, Saroj Arora
Natural products are of great surge in the identification of chemopreventive agents and biologically active molecules for the development of new promising therapeutic agents. These agents influence the cascade of biochemical and molecular signalling pathways involved in numerous physiological and pathological processes. The natural agents combat the dogma associated with the most dreaded, unconquered health concern and a multigenic disease- cancer. A category of plants known as adaptogens maintain perturbed homoeostasis, augment adaptations to noxious stimuli (exposure to cold, heat, pain, general stress, infectious organisms) and offer endurance to attenuate several disorders in human beings...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28949387/saponin-enriched-extract-of-asparagus-cochinchinensis-alleviates-airway-inflammation-and-remodeling-in-ovalbumin-induced-asthma-model
#6
Ji-Eun Sung, Hyun-Ah Lee, Ji-Eun Kim, Woo-Bin Yun, Beum-Soo An, Seung-Yun Yang, Dong-Seob Kim, Chung-Yeoul Lee, Hee-Seob Lee, Chang-Joon Bae, Dae-Youn Hwang
Asthma is a chronic inflammatory disease characterized by T-lymphocyte and eosinophil infiltration, mucus overproduction and airway hyper-responsiveness. The present study examined the therapeutic effects and action mechanism of a saponin-enriched extract of Asparagus cochinchinensis (SEAC) on airway inflammation and remodeling in an ovalbumin (OVA)-induced asthma model. To accomplish this, alterations of the nitric oxide (NO) level, inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) expression levels, as well as variations in immune cell numbers, immunoglobulin E (IgE) concentration, histopathological structure and inflammatory cytokine levels were measured in lipopolysaccharide (LPS)-activated RAW264...
November 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28946917/aqueous-root-extract-of-asparagus-cochinchinensis-lour-merr-has-antioxidant-activity-in-d-galactose-induced-aging-mice
#7
Linghua Lei, Yanhua Chen, Lijun Ou, Yinglong Xu, Xiaoying Yu
BACKGROUND: Extracts of plants have been considered as sources of natural antioxidant agents. In this study, we aimed to explore the antioxidant capacity of the aqueous root extract of Asparagus cochinchinensis (Lour.) Merr. METHODS: Using vitamin C (Vc) as a positive control, we analyzed the aqueous root extract of A. cochinchinensis free radical scavenging ability in vitro. We also established a mouse aging model using D-galactose and then treated it with aqueous root extract or Vc...
September 25, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28946259/influence-of-ph-buffers-and-role-of-quinolinic-acid-a-novel-iron-chelating-agent-in-the-determination-of-hydroxyl-radical-scavenging-activity-of-plant-extracts-by-electron-paramagnetic-resonance-epr
#8
Angela Fadda, Antonio Barberis, Daniele Sanna
The Fenton reaction is used to produce hydroxyl radicals for the evaluation of the antioxidant activity of plant extracts. In this paper the parameters affecting the production of hydroxyl radicals and their spin trapping with DMPO were studied. The use of quinolinic acid (Quin) as an Fe(II) ligand was proposed for antioxidant activity determination of Green tea, orange juice and asparagus extracts. Quin, buffers and pH affect the DMPO-OH signal intensity of the EPR spectra. Quin/Fe(II) and low pH enhance the OH generation...
February 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28884564/pattern-of-food-intolerance-in-patients-with-gastro-esophageal-reflux-symptoms
#9
Michele Caselli, Natalina Lo Cascio, Stefano Rabitti, Leonardo H Eusebi, Elena Zeni, Cecilia Soavi, Francesca Cassol, Giovanni Zuliani, Rocco M Zagari
BACKGROUND: Many food items have been involved in gastro-esophageal reflux disease pathogenesis and dietary modification has been proposed as first-line treatment. Test-based exclusion diets have shown to significantly reduce reflux symptoms. we aimed to assess the patterns of food intolerance in a series of patients with typical gastro-esophageal reflux symptoms (GERS). METHODS: We retrospectively evaluated all patients with typical reflux symptoms, attending the Centre Study Association on Food Intolerance and Nutrition of Ferrara from January 2010 to October 2015, who resulted positive to at least one food item at the leucocytotoxic test...
September 7, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28830346/comparative-transcriptome-analysis-reveals-differentially-expressed-genes-associated-with-sex-expression-in-garden-asparagus-asparagus-officinalis
#10
Shu-Fen Li, Guo-Jun Zhang, Xue-Jin Zhang, Jin-Hong Yuan, Chuan-Liang Deng, Wu-Jun Gao
BACKGROUND: Garden asparagus (Asparagus officinalis) is a highly valuable vegetable crop of commercial and nutritional interest. It is also commonly used to investigate the mechanisms of sex determination and differentiation in plants. However, the sex expression mechanisms in asparagus remain poorly understood. RESULTS: De novo transcriptome sequencing via Illumina paired-end sequencing revealed more than 26 billion bases of high-quality sequence data from male and female asparagus flower buds...
August 22, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28796173/effects-of-vegetables-on-cardiovascular-diseases-and-related-mechanisms
#11
REVIEW
Guo-Yi Tang, Xiao Meng, Ya Li, Cai-Ning Zhao, Qing Liu, Hua-Bin Li
Epidemiological studies have shown that vegetable consumption is inversely related to the risk of cardiovascular diseases. Moreover, research has indicated that many vegetables like potatoes, soybeans, sesame, tomatoes, dioscorea, onions, celery, broccoli, lettuce and asparagus showed great potential in preventing and treating cardiovascular diseases, and vitamins, essential elements, dietary fibers, botanic proteins and phytochemicals were bioactive components. The cardioprotective effects of vegetables might involve antioxidation; anti-inflammation; anti-platelet; regulating blood pressure, blood glucose, and lipid profile; attenuating myocardial damage; and modulating relevant enzyme activities, gene expression, and signaling pathways as well as some other biomarkers associated to cardiovascular diseases...
August 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28764033/genetic-and-geochemical-signatures-to-prevent-frauds-and-counterfeit-of-high-quality-asparagus-and-pistachio
#12
Carmela Zannella, Francesca Carucci, Riccardo Aversano, Thomas Prohaska, Simona Vingiani, Domenico Carputo, Paola Adamo
A fingerprinting strategy based on genetic (simple sequence repeat) and geochemical (multielement and (87)Sr/(86)Sr ratio) analysis was tested to prove the geographical origin of high-quality Italian products "White Asparagus from Bassano del Grappa" and "Green Pistachio from Bronte". Genetic analysis generated many polymorphic alleles and different specific amplified fragments in both agriproducts. In addition, a core set of markers was defined. According to variability within production soils and products, potential candidate elements linking asparagus (Zn, P, Cr, Mg, B, K) and pistachio (Mn, P, Cr, Mg, Ti, B, K, Sc, S) to the production areas were identified...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28747969/hepatotoxicity-and-nephrotoxicity-of-saponin-enriched-extract-of-asparagus-cochinchinensis-in-icr-mice
#13
Ji Eun Sung, Jun Young Choi, Ji Eun Kim, Hyun Ah Lee, Woo Bin Yun, Jin Ju Park, Hye Ryeong Kim, Bo Ram Song, Dong Seob Kim, Chung Yeoul Lee, Hee Seob Lee, Yong Lim, Dae Youn Hwang
The inhibitory effects of Asparagus cochinchinensis against inflammatory response induced by lipopolysaccharide (LPS), substance P and phthalic anhydride (PA) treatment were recently reported for some cell lines and animal models. To evaluate the hepatotoxicity and nephrotoxicity of A. cochinchinensis toward the livers and kidneys of ICR mice, alterations in related markers including body weight, organ weight, urine composition, liver pathology and kidney pathology were analyzed in male and female ICR mice after oral administration of 150, 300 and 600 mg/kg body weight/day saponin-enriched extract of A...
June 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28730458/generation-and-screening-of-t-dna-insertion-mutants-mediated-by-agrobacterium-tumefaciens-in-the-garden-asparagus-stem-blight-pathogen-phomopsis-asparagi
#14
Yueping Zhang, Huaxiang Qu, Ping Zhao, Yongping Tang, Jingsong Zhou, Shaochun Luo, Yuling Yin, Guangyu Chen
The garden asparagus stem blight caused by filamentous fungus Phomopsis asparagi exposes a serious threat on asparagus production globally. However, to present, we understand poorly about the molecular mechanisms of fungal pathogenicity. To facilitate functional genomics research of P. asparagi, here we developed a highly efficient and stable Agrobacterium tumefaciens-mediated transformation approach which yielded 150-200 transformants per 1 × 10(6) conidia. Our results indicated that 25 °C, acetosyringone concentration of 150 μmol/L, and 72 h were recommended as optimal co-cultivation conditions for the transformation...
November 2017: Current Microbiology
https://www.readbyqxmd.com/read/28722476/evaluation-of-resazurin-microtiter-plate-assay-and-hplc-photodiode-array-analysis-of-the-roots-of-asparagus-adscendens
#15
Kashif Maqbool Khan, Lutfun Nahar, Abdul Mannan, Muhammad Arfan, Ghazanfar Ali Khan, Glyn Hobbs, Satyajit D Sarker
Asparagus adscendens Roxb. (Asparagaceae), is native to the Himalayas. The present study, for the first time, was undertaken to explore the antimicrobial potential, to determine the minimum inhibitory concentration (MIC) values of the methanol extract of the roots of A. adscendens and its solid-phase extraction (SPE) fractions using resazurin microtitre assay against Gram-positive and negative bacterial-registered strains and to carry out HPLC-photodiode array analysis of the SPE fractions. The methanol extract and all SPE exhibited considerable level of antibacterial potential against Gram-positive bacteria (MIC: 2...
July 19, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28705396/host-extracts-induce-changes-in-the-proteome-of-plant-pathogen-fusarium-proliferatum
#16
Karolina Górna, Dawid Perlikowski, Arkadiusz Kosmala, Łukasz Stępień
Fusarium proliferatum is a polyphagous pathogenic fungus able to infect many crop plants worldwide. Differences in proteins accumulated were observed when maize- and asparagus-derived F. proliferatum strains were exposed to host extracts prepared from asparagus, maize, garlic, and pineapple tissues. Seventy-three unique proteins were up-regulated in extract-supplemented cultures compared to the controls. They were all identified using mass spectrometry and their putative functions were assigned. A major part of identified proteins was involved in sugar metabolism and basic metabolic processes...
August 2017: Fungal Biology
https://www.readbyqxmd.com/read/28685547/in-vitro-antioxidant-potential-of-selected-aphrodisiac-medicinal-plants
#17
M Riaz, M Shahid, A Jamil, M Saqib
The present study aimed to evaluate the antioxidant activity of six selected aphrodisiac medicinal plants. Useful parts of the selected medicinal plants were collected and extracted in methanolic solvent. The antioxidant activity of selected plant extract was determined through different antioxidant assays, namely DPPH radical scavenging assay and ferric reducing antioxidant assay. Moreover, antioxidant compounds, like total phenolics and total flavonoids contents, were also determined. Results showed that Mucuna pruriens seed extract displayed high contents of phenolic compounds with total phenolic content of 683...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28619798/metagenomes-of-soil-samples-from-an-established-perennial-cropping-system-of-asparagus-treated-with-biostimulants-in-southern-france
#18
Julien Crovadore, Ali Asaff Torres, Raúl Rodríguez Heredia, Bastien Cochard, Romain Chablais, François Lefort
We report here the metagenomes of soil samples from a perennial cropping system of asparagus that was treated with two biostimulants. Two treatments were compared to an untreated control. Control soil samples were taken at the beginning and at end of the experiment.
June 15, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28573207/epidithiodiketopiperazines-strain-promoted-thiol-mediated-cellular-uptake-at-the-highest-tension
#19
Lili Zong, Eline Bartolami, Daniel Abegg, Alexander Adibekian, Naomi Sakai, Stefan Matile
The disulfide dihedral angle in epidithiodiketopiperazines (ETPs) is near 0°. Application of this highest possible ring tension to strain-promoted thiol-mediated uptake results in efficient delivery to the cytosol and nucleus. Compared to the previous best asparagusic acid (AspA), ring-opening disulfide exchange with ETPs occurs more efficiently even with nonactivated thiols, and the resulting thiols exchange rapidly with nonactivated disulfides. ETP-mediated cellular uptake is more than 20 times more efficient compared to AspA, occurs without endosomal capture, depends on temperature, and is "unstoppable" by inhibitors of endocytosis and conventional thiol-mediated uptake, including siRNA against the transferrin receptor...
May 24, 2017: ACS Central Science
https://www.readbyqxmd.com/read/28572584/comparative-de-novo-transcriptome-profiles-in-asparagus-officinalis-and-a-kiusianus-during-the-early-stage-of-phomopsis-asparagi-infection
#20
Mostafa Abdelrahman, Naoyuki Suzumura, Mai Mitoma, Satoshi Matsuo, Takao Ikeuchi, Mitsutaka Mori, Kyoko Murakami, Yukio Ozaki, Masaru Matsumoto, Atsuko Uragami, Akira Kanno
Asparagus kiusianus, an important wild relative of cultivated asparagus (A. officinalis), exhibits resistance to stem blight disease caused by Phomopsis asparagi. However, the mechanisms underlying this resistance are not understood and no transcriptomic or genetic resources are available for this species. De novo transcriptome sequencing of A. officinalis and A. kiusianus stems was performed 24 h after inoculation with P. asparagi. In total, 35,259 and 36,321 transcripts were annotated in A. officinalis and A...
June 1, 2017: Scientific Reports
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