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https://www.readbyqxmd.com/read/29150728/the-plant-pathogen-gluconobacter-cerinus-strain-cdf1-is-beneficial-to-the-fruit-fly-bactrocera-dorsalis
#1
Muyang He, Jianjun Jiang, Daifeng Cheng
Plant pathogens can build relationships with insect hosts to complete their life cycles, and they often modify the behavior and development of hosts to improve their own fitness. In order to unravel whether some bacteria that can make fruit rot could have developed symbiotic interactions with Bactrocera dorsalis, we studied the symbiont bacteria profiles of the fly. We identified the bacterium Gluconobacter cerinus strain CDF1 from the ovaries and eggs of the oriental fruit fly B. dorsalis and the amount of Gluconobacter cerinus strain CDF1 increased significantly as the ovaries developed and in fruits on which non-sterile eggs were laid...
November 17, 2017: AMB Express
https://www.readbyqxmd.com/read/29149729/functionalized-gold-nanoparticles-as-affinity-nanoprobes-for-multiple-lectins
#2
Karuppuchamy Selvaprakash, Yu-Chie Chen
Glycan-lectin interactions are commonly observed in nature. Analytical methods, which are used to detect lectins that rely on the use of glycan ligand-modified nanoprobes as affinity probes, have been developed. Most of the existing methods are focused on the use of synthetic glycan ligands. Nevertheless, naturally available glycoproteins, such as ovalbumin in chicken egg whites, are good sources for fabricating glycan-immobilized nanoprobes. In this study, we generated functionalized gold nanoparticles (Au NPs) from a one-pot reaction by reacting chicken egg white (cew) proteins with aqueous tetrachloroaurate...
November 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29148925/degradation-of-chlordecone-and-beta-hexachlorocyclohexane-by-photolysis-photo-fenton-oxidation-and-ozonation
#3
Germán Cruz-González, Carine Julcour, Hélène Chaumat, Valérie Bourdon, Felipe Ramon-Portugal, Sarra Gaspard, Ulises J Jáuregui-Haza, Henri Delmas
Intensive use of chlorinated pesticides from the 1960s to the 1990s has resulted in a diffuse contamination of soils and surface waters in the banana-producing areas of the French West Indies. The purpose of this research was, for the first time, to examine the degradation of two of these persistent pollutants - chlordecone (CLD) and beta-hexachlorocyclohexane (β-HCH) in 1 mg L(-1) synthetic aqueous solutions by means of photolysis, (photo-) Fenton oxidation and ozonation processes. Fenton oxidation is not efficient for CLD and yields less than 15% reduction of β-HCH concentration in 5 h...
November 17, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/29148054/transcriptome-analysis-unravels-an-ethylene-response-factor-involved-in-regulating-fruit-ripening-in-pear
#4
Ping-Ping Hao, Guo-Ming Wang, Hai-Yan Cheng, Ya-Qi Ke, Kai-Jie Qi, Chao Gu, Shao-Ling Zhang
Ethylene response factor (ERF) has been widely studied in regulating fruit ripening in tomato, apple, banana and kiwifruit, but little is known in pear. In this study 1-methylcyclopropene (1-MCP) treatment, an inhibitor of ethylene perception, was conducted at approximately 30 days before harvest to delay fruit ripening in a climacteric white pear cultivar Yali. Transcriptome libraries were constructed and sequenced in pre-ripening, ripening, and 1-MCP treated fruits. Data analysis showed that 73 candidate genes related to fruit ripening were induced by 1-MCP, among which two were positively related, namely 1-aminocyclopropane-1-carboxyla oxidase and an ERF gene (designated as ACO54 and ERF24)...
November 16, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/29142393/investigation-of-antihyperglycaemic-activity-of-banana-musa-sp-var-nanjangud-rasa-bale-flower-in-normal-and-diabetic-rats
#5
Ramith Ramu, Prithvi S Shirahatti, S P Dhanabal, Farhan Zameer, B L Dhananjaya, M N Nagendra Prasad
Background: The vital enzymes of starch digestion and absorption are intestinal α-glucosidases and their inhibition improves postprandial hyperglycaemia, constituting an effective mode of therapy in diabetes. Objectives: The present study was designed to assess the inhibitory potential of ethanol extract of banana flower (EF) on mammalian α-glucosidases and its pharmacological effects on postprandial hyperglycaemia in normal and alloxan-induced diabetic rats. Materials and Methods: EF was evaluated for its inhibitory potential and mode of inhibition on mammalian α-glucosidases...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142163/strain-improvement-studies-on-microbacterium-foliorum-ga2-for-production-of-%C3%AE-amylase-in-solid-state-fermentation-biochemical-characteristics-and-wash-performance-analysis-at-low-temperatures
#6
Roohi, Mohammed Kuddus
Microbacterium foliorum GA2, an alkali-tolerant bacterium, was randomly mutated using UV radiation and sodium azide to obtain a mutant with a higher cold-active extracellular amylolytic activity. A mutant, designated as MFSD20, was selected owing to its higher amylase activity at 20°C. Under optimized conditions, amylase production was achieved best with raw banana peels (5000 units) in solid-state fermentation (SSF). The enzyme was purified by salt precipitation and chromatographic methods and afterwards characterized biochemically...
November 15, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/29136855/molecularly-imprinted-polymer-mip-membrane-assisted-direct-spray-ionization-mass-spectrometry-for-agrochemicals-screening-in-foodstuffs
#7
Igor Pereira, Marcella Ferreira Rodrigues, Andréa Rodrigues Chaves, Boniek Gontijo Vaz
Paper spray ionization (PSI) has some limitations such as low sensitivity and ionization suppression when complex samples are analyzed. The use of sample preparation devices directly coupled to MS can avoid these restrictions. Molecularly imprinted polymers (MIPs) are materials widely used as adsorbent in sample preparation methods such as solid-phase extraction and solid-phase microextraction, and they can provide specifics cavities with affinity to a target molecule. Here, we introduce a new MIP membrane spray ionization method combining MIP and PSI...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29134937/-candidatus-phytoplasma-noviguineense-a-novel-taxon-associated-with-bogia-coconut-syndrome-and-banana-wilt-disease-on-the-island-of-new-guinea
#8
Akio Miyazaki, Toshiro Shigaki, Hiroaki Koinuma, Nozomu Iwabuchi, Gou Bue Rauka, Alfred Kembu, Josephine Saul, Kiyoto Watanabe, Takamichi Nijo, Kensaku Maejima, Yasuyuki Yamaji, Shigetou Namba
Bogia coconut syndrome (BCS) is one of the lethal yellowing (LY)-type diseases associated with phytoplasma presence that are seriously threatening coconut cultivation worldwide. It has recently emerged, and is rapidly spreading in northern parts of the island of New Guinea. BCS-associated phytoplasmas collected in different regions were compared in terms of 16S rRNA gene sequences, revealing high identity among them represented by strain BCS-Bo(R). Comparative analysis of the 16S rRNA gene sequences revealed that BCS-Bo(R) shared less than a 97...
November 14, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29133817/transgenic-cavendish-bananas-with-resistance-to-fusarium-wilt-tropical-race-4
#9
James Dale, Anthony James, Jean-Yves Paul, Harjeet Khanna, Mark Smith, Santy Peraza-Echeverria, Fernando Garcia-Bastidas, Gert Kema, Peter Waterhouse, Kerrie Mengersen, Robert Harding
Banana (Musa spp.) is a staple food for more than 400 million people. Over 40% of world production and virtually all the export trade is based on Cavendish banana. However, Cavendish banana is under threat from a virulent fungus, Fusarium oxysporum f. sp. cubense tropical race 4 (TR4) for which no acceptable resistant replacement has been identified. Here we report the identification of transgenic Cavendish with resistance to TR4. In our 3-year field trial, two lines of transgenic Cavendish, one transformed with RGA2, a gene isolated from a TR4-resistant diploid banana, and the other with a nematode-derived gene, Ced9, remain disease free...
November 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/29128392/adrenergic-manipulation-inhibits-pavlovian-conditioned-approach-behaviors
#10
Kyle Z Pasquariello, Marina Han, Cagla Unal, Paul J Meyer
Environmental rewards and Pavlovian reward cues can acquire incentive salience, thereby eliciting incentive motivational states and instigate reward-seeking. In rats, the incentive salience of food cues can be measured during a Pavlovian conditioned approach paradigm, in which rats engage in cue-directed approach ("sign-tracking") or approach the food delivery location ("goal-tracking"). While it has been shown that dopamine signaling is necessary for sign-tracking, some studies have suggested that norepinephrine is involved in learning to sign-track as well...
November 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29127823/removal-of-anionic-dyes-reactive-black-5-and-congo-red-from-aqueous-solutions-using-banana-peel-powder-as-an-adsorbent
#11
Venkata Subbaiah Munagapati, Vijaya Yarramuthi, Yeji Kim, Kwon Min Lee, Dong-Su Kim
The adsorption characteristics of Reactive Black 5 (RB5) and Cong Red (CR) onto Banana Peel Powder (BPP) from aqueous solution were investigated as a function of pH, contact time, initial dye concentration and temperature. The BPP was characterized by Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscopy (SEM) analysis. FTIR results revealed that hydroxyl (-OH), amine (-NH) and carboxyl (-C˭O) functional groups present on the surface of BPP. The SEM results show that BPP has an irregular and porous surface morphology which is adequate for dye adsorption...
November 8, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29126413/leaves-from-banana-musa-nana-and-maize-zea-mays-have-no-phyto-prophylactic-effects-on-the-susceptibility-of-grass-carp-ctenopharyngodon-idella-to-aeromonas-hydrophila-infection
#12
Richard Mayrhofer, Simon Menanteau-Ledouble, Johannes Pucher, Ulfert Focken, Mansour El-Matbouli
BACKGROUND: The ubiquitous and opportunistic bacterial pathogen Aeromonas hydrophila has been associated with ulcerative dermatitis in fish, especially under stressful conditions. It can cause severe losses in fresh water aquaculture and is particularly prevalent in tropical and subtropical regions. Fresh leaves from maize and bananas have been used as feed supplement by fish farmers in Vietnam and it has been reported that they may have phyto-prophylactic benefits. In the present study, a feeding trial was conducted to investigate the benefits of providing maize and banana leaves as feed supplement: to determine if they were taken up and digested by grass carp (Ctenopharyngodon idella), if this uptake resulted in improved growth performance, and if leaf supplementation protected fish when challenged with A...
November 10, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29123509/isolation-of-antagonistic-endophytes-from-banana-roots-against-meloidogyne-javanica-and-their-effects-on-soil-nematode-community
#13
Lanxi Su, Zongzhuan Shen, Yunze Ruan, Chengyuan Tao, Yifan Chao, Rong Li, Qirong Shen
Banana production is seriously hindered by Meloidogyne spp. all over the world. Endophytes are ideal candidates compared to pesticides as an environmentally benign agent. In the present study, endophytes isolated from banana roots infected by Meloidogyne spp. with different disease levels were tested in vitro, and in sterile and nature banana monoculture soils against Meloidogyne javanica. The proportion of antagonistic endophytes were higher in the roots of middle and high disease levels. Among those, bacteria were dominant, and Pseudomonas spp...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29121123/clinical-pearl-mastering-the-flexible-scalpel-blade-with-the-banana-practice-model
#14
Wesley Wu, Leonard Goldberg, Marc Rubenzik, Blake Zelickson
This article describes the various applications of the flexible scalpel blade (FSB), the utility of the banana as a convenient and exceptional training instrument, and the intricacies of mastering the technique for students of different training levels.
September 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29120807/residual-behavior-and-risk-assessment-of-tridemorph-in-banana-conditions
#15
Siwei Wang, Haibin Sun, Yanping Liu
An efficient method has been developed for determining tridemorph in banana using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). The dissipation and terminal residue of tridemorph in banana fields were carried out at good agricultural practice (GAP) conditions. The average recoveries ranged from 84.4% to 90.0% with relative standard deviations (RSDs) of 3.0%-7.0% at three different spiking levels. The results indicated that the tridemorph dissipated quickly in banana with half-lives of 7...
April 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29111707/lysine-derived-protein-bound-heyns-compounds-in-bakery-products
#16
Stephanie Treibmann, Anne Hellwig, Michael Hellwig, Thomas Henle
Fructose and dicarbonyl compounds resulting from fructose in heated foods have been linked to pathophysiological pathways of several metabolic disorders. Up to now, very little has been known about the Maillard reaction of fructose in food. Heyns rearrangement compounds (HRCs), the first stable intermediates of the Maillard reaction between amino components and fructose, have not yet been quantitated as protein-bound products in food. Therefore, the HRCs glucosyllysine and mannosyllysine were synthesized and characterized by NMR...
November 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29105293/a-new-mechanism-for-reduced-sensitivity-to-demethylation-inhibitor-fungicides-in-the-fungal-banana-black-sigatoka-pathogen-pseudocercospora-fijiensis
#17
Caucasella Diaz-Trujillo, Pablo Chong, Ioannis Stergiopoulos, Viviane Cordovez, Mauricio Guzman, Pierre J G M De Wit, Harold J G Meijer, Rafael E Arango Isaza, Gabriel Scalliet, Helge Sierotzki, Esther Lilia Peralta, Gerrit H J Kema
The Dothideomycete Pseudocercospora fijiensis, previously Mycosphaerella fijiensis, is the causal agent of black Sigatoka, one of the most destructive diseases of bananas and plantains. Disease management depends on fungicide applications with a major share for sterol demethylation-inhibitors (DMIs). The continued use of DMIs puts a considerable selection pressure on natural P. fijiensis populations enabling the selection of novel genotypes with reduced sensitivity. The hitherto explanatory mechanism for this reduced sensitivity was the presence of non-synonymous point mutations in the target gene Pfcyp51, encoding the sterol 14α-demethylase enzyme...
November 4, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/29100146/prospects-of-banana-waste-utilization-in-wastewater-treatment-a-review
#18
REVIEW
Tanweer Ahmad, Mohammed Danish
This review article explores utilization of banana waste (fruit peels, pseudo-stem, trunks, and leaves) as precursor materials to produce an adsorbent, and its application against environmental pollutants such as heavy metals, dyes, organic pollutants, pesticides, and various other gaseous pollutants. In recent past, quite a good number of research articles have been published on the utilization of low-cost adsorbents derived from biomass wastes. The literature survey on banana waste derived adsorbents shown that due to the abundance of banana waste worldwide, it also considered as low-cost adsorbents with promising future application against various environmental pollutants...
October 31, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29098994/correlation-of-cutaneous-sensitivity-and-cytokine-response-in-children-with-asthma
#19
Meenu Singh, Amit Agarwal, Bishnupada Chatterjee, Anil Chauhan, Rashmi Ranjan Das, Nandini Paul
BACKGROUND: Food allergy occurs in a significant portion of pediatric asthma. Various cells and their mediators/cytokines play a pivotal role in orchestrating the airway inflammatory response in asthma. OBJECTIVE: To study the cutaneous hypersensitivity, Th1, Th2, and Th17 response of pediatric population with asthma and genetic predisposition to atopy, by determining total immunoglobulin E (IgE) level in response to various food allergens. MATERIALS AND METHODS: Fifty asthmatic children with a history of worsening symptoms by various food allergens (study group) and twenty healthy children (control group) were included...
November 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29090615/simultaneous-determination-of-three-pesticides-and-their-metabolites-in-unprocessed-foods-using-ultraperformance-liquid-chromatography-tandem-mass-spectrometry
#20
Lili Rong, Xiaohu Wu, Jun Xu, Fengshou Dong, Xingang Liu, Xinglu Pan, Pengqiang Du, Dongmei Wei, Yongquan Zheng
We have developed a rapid, multi-compound analytical method for measuring residues of the pesticides thiamethoxam and its metabolite, clothianidin; fipronil and its three metabolites, fipronil sulfone, fipronil sulfide, and fipronil desulfinyl; and pyraclostrobin in unprocessed foods (rice, corn, cucumbers, tomatoes, apples, and bananas) by ultra-performance liquid chromatography coupled to tandem mass spectrometry. Acetonitrile was used as the extraction solvent, and an octadecylsilane-dispersive solid-phase extraction was used to clean up the analytes, which were then separated through a UPLC HSS T3 column connected to a tandem mass spectrometer via an electrospray ionization source...
November 1, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
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