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https://www.readbyqxmd.com/read/29775026/-clinical-study-on-serum-25-oh-d-level-in-patients-with-moderate-to-severe-allergic-rhinitis
#1
J Y Tan, T Liu, L X Zhang
Objective: Through the detection of the serum 25 (OH) D level of patients with moderate to severe allergic rhinitis (AR), we preliminarily explored the mechanism of vitamin D on AR and provided evidence for the control of AR. Method: Eighty cases of moderate to severe AR and 65 healthy adults were selected as the subjects. The level of 25 (OH) D was detected by enzyme-linked immunosorbent assay (ELISA), and the serum 25 (OH) D level of eight common serum allergens in patients with moderate to severe AR was analyzed...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774286/biological-control-of-anopheles-darlingi-aedes-aegypti-and-culex-quinquefasciatus-larvae-using-shrimps
#2
Willian Marinho Dourado Coelho, Juliana de Carvalho Apolinário Coêlho, Katia Denise Saraiva Bresciani, Wilma Aparecida Starke Buzetti
Mosquitoes can act as vectors of important diseases such as malaria, dengue, Zika virus, yellow fever, Chikungunya and Mayaro fever, in addition to filariasis. The use of insecticides, larvicides, bed nets and repellents, besides the use of drugs as chemoprevention and the treatment of the sick are currently the pillars of the control of these vectors. We studied the biological control against of Anopheles darlingi , Aedes aegypti and Culex quinquefasciatus larvae using shrimps of the species M. pantanalense , M...
August 2017: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/29773317/influence-of-the-bioturbator-upogebia-cf-pusilla-on-trace-metal-remobilization-does-parasitism-matter
#3
Annabelle Dairain, Xavier de Montaudouin, Patrice Gonzalez, Aurélie Ciutat, Magalie Baudrimont, Olivier Maire, Pierre-Yves Gourves, Guillemine Daffe, Alexia Legeay
Marine sediments are an important source of contaminants since they are susceptible to be remobilized to the water column. By modifying the physical and biogeochemical characteristics of sediments, bioturbation can influence contaminants remobilization. Within bioturbators, mud shrimp are considered as among the most influential organisms in marine soft-bottom environments. The physiological state of mud shrimp can be impaired by bopyrid parasites. The present study aims to evaluate the influence of bopyrid-uninfested and bopyrid-infested mud shrimp on sediment contaminants resuspension...
May 8, 2018: Marine Environmental Research
https://www.readbyqxmd.com/read/29767342/characterization-of-xanthine-dehydrogenase-and-aldehyde-oxidase-of-marsupenaeus-japonicus-and-their-response-to-microbial-pathogen
#4
Yo Okamura, Mari Inada, Gehad Elsaid Elshopakey, Toshiaki Itami
Reactive oxygen species (ROS) play key roles in many physiological processes. In particular, the sterilization mechanism of bacteria using ROS in macrophages is a very important function for biological defense. Xanthine dehydrogenase (XDH) and aldehyde oxidase (AOX), members of the molybdo-flavoenzyme subfamily, are known to generate ROS. Although these enzymes occur in many vertebrates, some insects, and plants, little research has been conducted on XDHs and AOXs in crustaceans. Here, we cloned the entire cDNA sequences of XDH (MjXDH: 4328 bp) and AOX (MjAOX: 4425 bp) from Marsupenaeus japonicus (kuruma shrimp) using reverse transcriptase-polymerase chain reaction (RT-PCR) and random amplification of cDNA ends (RACE)...
May 16, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/29763877/impacts-and-responses-to-environmental-change-in-coastal-livelihoods-of-south-west-bangladesh
#5
Mostafa A R Hossain, Munir Ahmed, Elena Ojea, Jose A Fernandes
Aquatic ecosystems are of global importance for maintaining high levels of biodiversity and ecosystem services, and for the number of livelihoods dependent on them. In Bangladesh, coastal and delta communities rely on these systems for a livelihood, and the sustainability of the productivity is seriously threatened by both climate change and unsustainable management. These multiple drivers of change shape the livelihood dependence and adaptation responses, where a better understanding is needed to achieve sustainable management in these systems, while maintaining and improving dependent livelihoods...
May 12, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29763864/residues-bioaccumulations-and-biomagnification-of-perfluoroalkyl-acids-pfaas-in-aquatic-animals-from-lake-chaohu-china
#6
Wenxiu Liu, Wei He, Jingyi Wu, Ning Qin, Qishuang He, Fuliu Xu
Residual levels of perfluoroalkyl acids (PFAAs) in seven species of aquatic animals were analyzed by liquid chromatography-mass spectrometry. The distribution, composition, bioaccumulation, and biomagnification of PFAAs and their effect factors were studied. The results showed that: 1) Wet weight concentrations of 17 PFAAs in the aquatic animals ranged from 1.77 to 38.65 ng/g, with a mean value of 12.71 ± 9.21 ng/g. PFOS was the predominant contaminant (4.57 ± 4.57 ng/g, 6.76%-46.25%), followed by PFDA (1...
May 12, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29758296/isolation-of-the-sex-determining-gene-sex-lethal-sxl-in-penaeus-litopenaeus-vannamei-boone-1931-and-characterization-of-its-embryogenic-gametogenic-and-tissue-specific-expression
#7
Itzia López-Cuadros, Alejandra García-Gasca, Gracia Gomez-Anduro, Cristina Escobedo-Fregoso, Raúl A Llera-Herrera, Ana M Ibarra
The Pacific white shrimp Penaeus vannamei is the most cultured shrimp species around the world. Because females grow larger than males, the culture of 'only females' is of great interest, but knowledge on sex determination and differentiation is required for producing only females. In an effort to obtain information associated with reproduction in P. vannamei, transcriptomic data from female gonads was generated, and partial sequences of a transcript were identified as Sex-lethal (Sxl). Its characterization indicated that, differently from other penaeids in which this gene has been isolated, there are six isoforms of the Sxl transcript in P...
May 11, 2018: Gene
https://www.readbyqxmd.com/read/29754735/using-stable-isotope-analysis-to-assess-trophic-relationships-between-atlantic-bluefin-tuna-thunnus-thynnus-and-striped-dolphin-stenella-coeruleoalba-in-the-strait-of-gibraltar
#8
José L Varela, Elisa Rojo-Nieto, Joan M Sorell, Antonio Medina
Stable isotope analysis (δ13 C and δ15 N from liver and muscle) was used to assess trophic relationships between Atlantic bluefin tuna (ABFT) (Thunnus thynnus) and striped dolphin (SC) (Stenella coeruleoalba) in the Strait of Gibraltar (SoG). δ15 N values from ABFT muscle and liver tissues were significantly different from those of dolphin samples, but no for δ13 C values. Diet estimation by MixSIAR models from muscle and liver revealed that ABFT fed mainly on squids (Todaropsis eblanae and Illex coindetii)...
April 27, 2018: Marine Environmental Research
https://www.readbyqxmd.com/read/29754600/a-highly-selective-colorimetric-and-ratiometric-fluorescent-probe-for-instantaneous-sensing-of-hg2-in-water-soil-and-seafood-and-its-application-on-test-strips
#9
Linxin Lan, Qingfen Niu, Tianduo Li
A new simple and efficient oligothiophene-based colorimetric and ratiometric fluorescent probe has been developed for highly sensitive and fast detection of Hg2+ in water, soil and seafood. The probe 5-(1,3-dithiolan-2-yl)-2,2':5',2″-terthiophene 3 TS can selectively detect Hg2+ via the Hg2+ -promoted deprotection reaction of thioacetals, which caused a remarkable color change from colorless to yellow and a strong fluorescence enhancement with emission color varying from blue to yellow, enabling naked-eye detection of Hg2+ ...
September 6, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29754207/acute-toxicity-of-ammonia-nitrite-and-nitrate-to-shrimp-litopenaeus-vannamei-postlarvae-in-low-salinity-water
#10
Gladys Valencia-Castañeda, Martin G Frías-Espericueta, Ruth C Vanegas-Pérez, Jesús A Pérez-Ramírez, María C Chávez-Sánchez, Federico Páez-Osuna
Shrimp farming in low salinities waters is an alternative to increasing production, and counteracting disease problems in brackish and marine waters. However, in low-salinity waters, toxicity of nitrogen compounds increases, and there is no available data of its acute toxicity in shrimp postlarvae. This study determined the acute toxicity of ammonia, nitrite and nitrate in Litopenaeus vannamei postlarvae in 1 and 3 g/L salinity, as well as the safety levels. The LC50 confirms that nitrite is more toxic than ammonia and nitrate in low salinity waters, and that its toxicity increases with a decrease in salinity...
May 12, 2018: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29754050/sargassum-wightii-synthesized-zno-nanoparticles-from-antibacterial-and-insecticidal-activity-to-immunostimulatory-effects-on-the-green-tiger-shrimp-penaeus-semisulcatus
#11
Ramachandran Ishwarya, Baskaralingam Vaseeharan, Suganya Subbaiah, Abdul Khudus Nazar, Marimuthu Govindarajan, Naiyf S Alharbi, Shine Kadaikunnan, Jamal M Khaled, Mohammed N Al-Anbr
The green synthesis of metal nanoparticles using phytochemical from marine seaweeds is a fast-growing research field in nanotechnology. Here, the biosynthesis of zinc oxide nanoparticles was achieved using the hot water extract of Sargassum wightii. The hot water extract prepared from S. wightii (H Sw) and ZnO NPs were studied by UV-visible and FTIR spectroscopy, SEM and XRD. Then, both products were evaluated for antibiofilm activity towards aquatic pathogens. The nanoparticles' immunostimulating potential on green tiger prawns, Penaeus semisulcatus was studied through immersion and dietary administration...
May 3, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29753984/a-novel-white-spot-syndrome-virus-protein-wssv164-controls-prophenoloxidases-pmpropos-in-shrimp-melanization-cascade
#12
Pakkakul Sangsuriya, Walaiporn Charoensapsri, Jantiwan Sutthangkul, Saengchan Senapin, Ikuo Hirono, Anchalee Tassanakajon, Piti Amparyup
Melanization, mediated by the prophenoloxidase (proPO)-activating system, is an important innate immune response in invertebrates. The implication of the proPO system in antiviral response and the suppression of host proPO activation by the viral protein have previously been demonstrated in shrimp. However, the molecular mechanism of viral-host interactions in the proPO cascade remains largely unexplored. Here, we characterized the viral protein, namely, WSSV164, which was initially identified from the forward suppression subtractive hybridization (SSH) cDNA library of the PmproPO1/2 co-silenced black tiger shrimp Penaeus monodon that was challenged with white spot syndrome virus (WSSV)...
May 4, 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29753890/characterization-of-the-promoter-of-white-spot-syndrome-virus-immediate-early-gene-wsv249
#13
Zi Yang, Xiaomin Xu, Fang Li, Feng Yang
White spot syndrome virus immediate early (IE) gene wsv249 encodes an E3 ubiquitin ligase that can interact with a shrimp ubiquitin-conjugating enzyme to mediate ubiquitination. In this study, to understand the transcriptional regulation of wsv249, a serial of 5'-truncated mutations were made on its promoter and the activities of mutated promoters was analyzed. Four 25 bp regions potentially containing either positive or negative regulatory elements were identified. Notably, the deletion of -275/-250, which abolished a cAMP-response element (CRE), greatly reduced the promoter activity by 84...
May 10, 2018: Virus Research
https://www.readbyqxmd.com/read/29753689/molecular-characterization-and-gene-expression-analysis-of-hypoxia-inducible-factor-and-its-inhibitory-factors-in-kuruma-shrimp-marsupenaeus-japonicus
#14
Yo Okamura, Tohru Mekata, Gehad Elsaid Elshopakey, Toshiaki Itami
In shrimp aquaculture, overcrowded farming causes fluctuations in dissolved oxygen concentrations. Low-oxygen conditions (hypoxia) affect shrimp growth. Hypoxia-inducible factor (HIF) is a transcriptional factor in the basic helix-loop-helix/PAS family and is activated in response to hypoxic stress. However, little is known about HIF and other inhibitors of the HIF pathway in crustaceans. In this study, we cloned MjHIF-1α, an inhibitory factor, MjFIH-1 (factor inhibiting HIF-1α), and MjVHL (Von Hippel-Lindau tumor suppressor) from kuruma shrimp (Marsupenaeus japonicus)...
May 10, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29753289/native-crustacean-species-as-a-bioindicator-of-freshwater-ecosystem-pollution-a-multivariate-and-integrative-study-of-multi-biomarker-response-in-active-river-monitoring
#15
Lidwina Bertrand, Magdalena Victoria Monferrán, Catherine Mouneyrac, María Valeria Amé
The aim of this study was to evaluate the ability of Palaemonetes argentinus to evidence the environmental degradation due to pollutants mixture in a freshwater aquatic ecosystem. For this purpose, an active monitoring (96 h exposure) was carried out in seven sites along the Ctalamochita River basin (Córdoba, Argentina), as a case of study. Our results evidenced sewage discharges impact in the water quality index, as well as metal pollution in water (Ag, Al, B, Pb, Hg) and sediments (Hg) with a potential effect on aquatic biota...
May 4, 2018: Chemosphere
https://www.readbyqxmd.com/read/29752672/primary-investigation-of-the-antialgal-activity-of-shrimp-shell-on-microcystis-aeruginosa
#16
Yan Jin, Daping Hao, Shuhua Chen, Hangzhou Xu, Wenrong Hu, Chunxia Ma, Jiongming Sun, Hongmin Li, Haiyan Pei
This study aimed to explore the application potential of an eco-friendly waste-shrimp shell in Microcystis aeruginosa (M. aeruginosa) control-for the first time. Four treatments with different doses (0.75, 1.5, 3.0, and 6.0 g/L) were built to investigate the effects of shrimp shell on the growth, cell viability, physiological changes, and microcystins (MCs) release of M. aeruginosa cells. The water quality after shrimp shell treatment was also detected. Results showed that the growth of M. aeruginosa was effectively inhibited by shrimp shell, and the inhibition rates were dose-dependent within 7 days...
May 11, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29752585/the-extracellular-proteases-produced-by-vibrio-parahaemolyticus
#17
REVIEW
George Osei-Adjei, Xinxiang Huang, Yiquan Zhang
Vibrio parahaemolyticus, a Gram-negative bacterium, inhabits marine and estuarine environments and it is a major pathogen responsible globally for most cases of seafood-associated gastroenteritis in humans and acute hepatopancreatic necrosis syndrome in shrimps. There has been a dramatic worldwide increase in V. parahaemolyticus infections over the last two decades. The pathogenicity of V. parahaemolyticus has been linked to the expression of different kinds of virulence factors including extracellular proteases, such as metalloproteases and serine proteases...
May 11, 2018: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/29751919/effect-of-enzymatic-hydrolysis-on-bioactive-properties-and-allergenicity-of-cricket-gryllodes-sigillatus-protein
#18
Felicia Hall, Philip E Johnson, Andrea Liceaga
Food-derived bioactive peptides have gained attention for their role in preventing chronic diseases. Edible insects are viable sources of bioactive peptides owing to their high protein content and sustainable production. In this study, whole crickets (Gryllodes sigillatus) were alcalase-hydrolyzed to a degree of hydrolysis (DH) ranging from 15 to 85%. Antioxidant activity, angiotensin converting enzyme (ACE), and dipeptidyl peptidase-4 (DPP-IV)- inhibition of the cricket protein hydrolysates (CPH) were evaluated before and after simulated gastrointestinal digestion (SGD)...
October 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29751156/oral-allergy-syndrome-in-shrimp-and-house-dust-mite-allergies
#19
Karen Thursday S Tuano, Carla M Davis
No abstract text is available yet for this article.
May 8, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29751080/prenylated-%C3%AE-diketones-two-new-additions-to-the-family-of-biologically-active-hypericum-perforatum-l-hypericaceae-secondary-metabolites
#20
Niko S Radulović, Marija S Genčić, Nikola M Stojanović, Pavle J Randjelović, Nicolas Baldovini, Vanya Kurteva
Two novel β-diketones, 2,6,9-trimethyl-8-decene-3,5-dione (A) and 3,7,10-trimethyl-9-undecene-4,6-dione (B), were identified from the renowned medicinal plant Hypericum perforatum L. The structures of β-diketones A and B were corroborated by syntheses (4 steps starting from methyl acetoacetate, overall yields 30% and 23%, respectively). In solution, these β-diketones predominantly exist as two rapidly interconverting β-keto-enol tautomers. The structures of A and B show some common fragments with the molecules of hyperforin and adhyperforin, respectively, the acknowledged multi-target secondary metabolites from St...
May 8, 2018: Food and Chemical Toxicology
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