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https://www.readbyqxmd.com/read/28651319/utilization-of-rice-husks-functionalized-with-xanthates-as-cost-effective-biosorbents-for-optimal-cd-ii-removal-from-aqueous-solution-via-response-surface-methodology
#1
Jianhua Qu, Xianlin Meng, Hong You, Xiuqing Ye, Zhaolin Du
Pristine rice husk (RH), a kind of agricultural waste based biosorbent, was chemically modified by introducing sulfur-bearing groups with the CS2 treatment under caustic medium. Using response surface methodology (RSM), the interactive effects of three preparation variables on the cadmium uptake and material yield of xanthate-modified rick husk (RH-X) were investigated, and two quadratic regression models were developed to correlate the preparation parameters to the two responses. Through process optimization, the optimal RH-X was finally obtained under the optimum synthesis conditions (i...
June 13, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28651190/temporal-dynamics-of-the-compositions-and-activities-of-soil-microbial-communities-post-application-of-the-insecticide-chlorantraniliprole-in-paddy-soils
#2
Meng Wu, Jia Liu, Weitao Li, Ming Liu, Chunyu Jiang, Zhongpei Li
Chlorantraniliprole (CAP) is a newly developed insecticide widely used in rice fields in China. There has been few studies evaluating the toxicological effects of CAP on soil-associated microbes. An 85-day microcosm experiment was performed to reveal the dissipation dynamics of CAP in three types of paddy soils in subtropical China. The effects of CAP on microbial activities (microbial biomass carbon-MBC, basal soil respiration-BSR, microbial metabolic quotient-qCO2, acid phosphatase and sucrose invertase activities) in the soils were periodically evaluated...
June 23, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28651022/can-natural-variation-in-grain-p-concentrations-be-exploited-in-rice-breeding-to-lower-fertilizer-requirements
#3
Fanmiao Wang, James Douglas Morrison King, Terry Rose, Tobias Kretzschmar, Matthias Wissuwa
Agricultural usage of phosphorus (P) is largely driven by the amount of P removed from fields in harvested plant matter as offtake needs to be balanced by P fertilizer application. Reducing P concentration in grains is a way to decrease P offtake and reduce P fertilizer requirements or soil P mining where insufficient P is applied. Our objective was to assesses the genotypic variation for grain P concentration present within the rice gene pool and resolve to what extent it is affected by environment (P supply) or associated with genetic factors...
2017: PloS One
https://www.readbyqxmd.com/read/28650728/minor-constituents-in-rice-bran-oil-and-sesame-oil-play-a-significant-role-in-modulating-lipid-homeostasis-and-inflammatory-markers-in-rats
#4
Yalagala Poorna Chandra Rao, Dhavamani Sugasini, Talahalli Ravichandra Ramaprasad, Belur Ramaswamy Lokesh
The effects of feeding rats with groundnut oil (GNO), rice bran oil (RBO), and sesame oil (SESO) on serum lipids, liver lipids, and inflammatory markers were evaluated in rats. Male Wistar rats were fed with AIN-93 diet supplemented with 10 wt% of GNO, RBO, and SESO in the form of native (N) and minor constituent-removed (MCR) oils. Rats given RBO and SESO showed significant reduction in serum and liver lipids, 8-hydroxy-2-deoxyguanosine, cytokines in liver, and eicosanoids in leukocytes as compared with the rats given GNO and MCR oils...
June 26, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28650653/growth-and-metabolic-responses-of-rice-oryza-sativa-l-cultivated-in-phosphorus-deficient-soil-amended-with-tio2-nanoparticles
#5
Zahra Zahra, Naima Waseem, Rubab Zahra, Hwanhui Lee, Mohsin Ali Badshah, Arshad Mehmood, Hyung-Kyoon Choi, Muhammad Arshad
Plants have natural ability to withstand stress conditions through metabolic adjustments. The present study aimed at investigating effects of Titanium dioxide nanoparticles (TiO2 NPs) application (0, 25, 50, 150, 250, 500 and 750 mg kg-1) in phosphorus deficient soil in terms of growth responses, P contents and metabolic alterations in rice. TiO2 NPs application increased shoot length up to 14.5%. Phosphorus contents in rice roots, shoots, and grains were increased by 2.6-, 2.4-, and 1.3-fold, respectively at 750 mg kg-1 of TiO2 NPs...
June 26, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28650429/acetate-mediated-novel-survival-strategy-against-drought-in-plants
#6
Jong-Myong Kim, Taiko Kim To, Akihiro Matsui, Keitaro Tanoi, Natsuko I Kobayashi, Fumio Matsuda, Yoshiki Habu, Daisuke Ogawa, Takuya Sakamoto, Sachihiro Matsunaga, Khurram Bashir, Sultana Rasheed, Marina Ando, Hiroko Takeda, Kanako Kawaura, Miyako Kusano, Atsushi Fukushima, Takaho A Endo, Takashi Kuromori, Junko Ishida, Taeko Morosawa, Maho Tanaka, Chieko Torii, Yumiko Takebayashi, Hitoshi Sakakibara, Yasunari Ogihara, Kazuki Saito, Kazuo Shinozaki, Alessandra Devoto, Motoaki Seki
Water deficit caused by global climate changes seriously endangers the survival of organisms and crop productivity, and increases environmental deterioration(1,2). Plants' resistance to drought involves global reprogramming of transcription, cellular metabolism, hormone signalling and chromatin modification(3-8). However, how these regulatory responses are coordinated via the various pathways, and the underlying mechanisms, are largely unknown. Herein, we report an essential drought-responsive network in which plants trigger a dynamic metabolic flux conversion from glycolysis into acetate synthesis to stimulate the jasmonate (JA) signalling pathway to confer drought tolerance...
June 26, 2017: Nature Plants
https://www.readbyqxmd.com/read/28649626/investigation-of-simulated-microgravity-effects-on-streptococcus-mutans-physiology-and-global-gene-expression
#7
Silvia S Orsini, April M Lewis, Kelly C Rice
Astronauts have been previously shown to exhibit decreased salivary lysozyme and increased dental calculus and gingival inflammation in response to space flight, host factors that could contribute to oral diseases such as caries and periodontitis. However, the specific physiological response of caries-causing bacteria such as Streptococcus mutans to space flight and/or ground-based simulated microgravity has not been extensively investigated. In this study, high aspect ratio vessel S. mutans simulated microgravity and normal gravity cultures were assessed for changes in metabolite and transcriptome profiles, H2O2 resistance, and competence in sucrose-containing biofilm media...
2017: NPJ Microgravity
https://www.readbyqxmd.com/read/28649556/successful-pregnancy-and-delivery-in-a-woman-with-propionic-acidemia-from-the-amish-community
#8
Jessica Scott Schwoerer, Sandra van Calcar, Gregory M Rice, James Deline
Propionic acidemia (PA) is an inborn error of protein metabolism with a variable clinical presentation ranging from neonatal encephalopathy to seemingly asymptomatic individuals who present with cardiomyopathy or sudden death. PA is recognized in the Amish population, often with an early asymptomatic course and eventual cardiac complications. Thus, Amish women with PA may reach reproductive age without clinical sequelae, but are at increased risk for metabolic decompensation during pregnancy, delivery and postpartum period...
September 2016: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28649256/evolutionary-insights-based-on-snp-haplotypes-of-red-pericarp-grain-size-and-starch-synthase-genes-in-wild-and-cultivated-rice
#9
Nisha Singh, Balwant Singh, Vandna Rai, Sukhjeet Sidhu, Ashok K Singh, Nagendra K Singh
The origin and domestication of rice has been a subject of considerable debate in the post-genomic era. Rice varieties have been categorized based on isozyme and DNA markers into two broad cultivar groups, Indica and Japonica. Among other well-known cultivar groups Aus varieties are closer to Indica and Aromatic varieties including Basmati are closer to Japonica, while deep-water rice varieties share kinship to both Indica and Japonica cultivar groups. Here, we analyzed haplotype networks and phylogenetic relationships in a diverse set of genotypes including Indian Oryza nivara/Oryza rufipogon wild rice accessions and representative varieties of four rice cultivar groups based on pericarp color (Rc), grain size (GS3) and eight different starch synthase genes (GBSSI, SSSI, SSIIa, SSIIb, SSIIIa, SSIIIb, SSIVa, and SSIVb)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28649255/overexpression-of-the-peat1-elicitor-gene-from-alternaria-tenuissima-improves-drought-tolerance-in-rice-plants-via-interaction-with-a-myo-inositol-oxygenase
#10
Fachao Shi, Yijie Dong, Yi Zhang, Xiufeng Yang, Dewen Qiu
Abiotic stresses, especially drought, seriously threaten cereal crops yields and quality. In this study, we observed that the rice plants of overexpression the Alternariatenuissima PeaT1 gene showed enhanced drought stress tolerance and increased the survival rate following a drought treatment. In PeaT1-overexpressing (PeaT1OE) plants, abscisic acid and chlorophyll content significantly increased, while the malondialdehyde (MDA) content decreased compared with the wild-type plants. Additionally, we confirmed that the transcript levels of drought-responsive genes, including OsAM1, OsLP2, and OsDST, were prominently lower in the PeaT1OE plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28649038/multiple-spectroscopic-analyses-reveal-the-fate-and-metabolism-of-sulfamide-herbicide-triafamone-in-agricultural-environments
#11
Mengcen Wang, Yuan Qian, Xiaoyu Liu, Peng Wei, Man Deng, Lei Wang, Huiming Wu, Guonian Zhu
Triafamone, a sulfamide herbicide, has been extensively utilized for weed control in rice paddies in Asia. However, its fate and transformation in the environment have not been established. Through a rice paddy microcosm-based simulation trial combined with multiple spectroscopic analyses, we isolated and identified three novel metabolites of triafamone, including hydroxyl triafamone (HTA), hydroxyl triafamone glycoside (HTAG), and oxazolidinedione triafamone (OTA). When triafamone was applied to rice paddies at a concentration of 34...
June 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28648847/study-on-the-change-and-acculturation-of-dietary-pattern-of-southeast-asian-workers-living-in-south-korea
#12
Eun Jung Lee, Kyung-Ran Lee, Seung-Joo Lee
This study analyzed the dietary pattern of Southeast Asian workers (Vietnamese, Thais, Cambodians and Myanmar) living in South Korea in order to recognize the dietary changes after they moved to South Korea. Questionnaires were completed by 251 Southeast Asian workers living in South Korea. Using a self-administered questionnaire, we assessed the diets before and after living in the hometown and in South Korea. Significant changes observed in the Southeast Asian workers were decreased in consumption frequency of fresh fruits, cooked vegetables, rice noodles, green tea and glutinous rice, and increase in consumption of Kimchi, seaweed, milk, coffee and pizza...
June 22, 2017: Appetite
https://www.readbyqxmd.com/read/28648719/modification-to-the-rice-vannucci-perinatal-hypoxic-ischaemic-encephalopathy-model-in-the-p7-rat-improves-the-reliability-of-cerebral-infarct-development-after-48hours
#13
Adam B Edwards, Kirk W Feindel, Jane L Cross, Ryan S Anderton, Vincent W Clark, Neville W Knuckey, Bruno P Meloni
BACKGROUND: The Rice-Vannucci model of hypoxic-ischaemic encephalopathy (HIE) has been associated with a high degree of variability with respect to the development of cerebral infarction and infarct lesion volume. For this reason, we examined the occurrence of communicational blood flow within the common carotid (CCA), internal (ICA), and external (ECA) carotid arteries following CCA occlusion as a source of variability in the model. NEW METHOD: We propose a novel modification to the Rice-Vannucci model, whereby both the CCA and ECA are permanently ligated; mitigating communicational blood flow...
June 22, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28648685/proteomic-profiling-of-pachyonychia-congenita-plantar-callus
#14
Robert H Rice, Blythe P Durbin-Johnson, Michelle Salemi, Mary E Schwartz, David M Rocke, Brett S Phinney
Callus samples from the ball and the arch of the foot, collected on tape circles, were compared by shotgun proteomic profiling. Pachyonychia congenita subjects were sampled who exhibited a mutation in KRT6A, KRT6B, KRT6C, KRT16 or KRT17, and the proteins were digested and analyzed by tandem mass spectrometry. In comparison with samples from unaffected control subjects, those from subjects with KRT6A or KRT16 mutations displayed the most differences in profile from normal, while those from subjects with KRT6C or KRT17 mutations showed few differences from normal...
June 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28648582/molecular-mechanism-of-phosphate-signaling-in-plants
#15
REVIEW
Fei Wang, Meiju Deng, Jiming Xu, Xinlu Zhu, Chuanzao Mao
Phosphorus (P) is one of the indispensable macronutrients for plant growth and development. To adapt to low phosphate (Pi) environment, plants have evolved complex responsive and adaptive mechanisms for acquisition and remobilization of phosphate to maintain P homeostasis, which are regulated by complex gene regulation networks through the functions of Pi transporters (PTs) and other Pi starvation induced (PSI) genes. This review summarizes the recent progresses on the molecular regulation mechanism of phosphate transporters and phosphate signal transduction pathway (also called phosphate signaling) in dicot model plant Arabidopsis (Arabidopsis thaliana) and monocot model plant rice (Oryza sativa L...
June 22, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28648178/characterization-of-ruminiclostridium-josui-arabinoxylan-arabinofuranohydrolase-rjaxh43b-and-rjaxh43b-containing-xylanolytic-complex
#16
Taku Orita, Makiko Sakka, Tetsuya Kimura, Kazuo Sakka
A novel gene (axh43B) from Ruminiclostridium josui encoding a cellulosomal enzyme consisting of a catalytic module of subfamily GH43_10, a family-6 carbohydrate-binding module, and a dockerin module, was expressed using Escherichia coli. RjAxh43B released only arabinose from arabinoxylan and 2(3),3(3)-di-α-l-arabinofuranosyl xylotriose, but not 3(2)-α-l-arabinofuranosyl xylobiose or 2(3)-α-l-arabinofuranosyl xylotriose, strongly suggesting that RjAxh43B is an arabinoxylan α-l-1,3-arabinofuranohydrolase capable of cleaving α-1,3-linked arabinose residues of doubly arabinosylated xylan...
September 2017: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/28647924/comparative-expression-analysis-of-rice-and-arabidopsis-peroxiredoxin-genes-suggests-conserved-or-diversified-roles-between-the-two-species-and-leads-to-the-identification-of-tandemly-duplicated-rice-peroxiredoxin-genes-differentially-expressed-in-seeds
#17
Yun-Shil Gho, Sun-A Park, Sung-Ruyl Kim, Anil Kumar Nalini Chandran, Gynheung An, Ki-Hong Jung
BACKGROUND: Peroxiredoxins (PRXs) have recently been identified as plant antioxidants. Completion of various genome sequencing projects has provided genome-wide information about PRX genes in major plant species. Two of these -- Oryza sativa (rice) and Arabidopsis -- each have 10 PRX members. Although significant progress has been made in understanding their biological roles in Arabidopsis, those functions in rice, a model crop plant, have not been well studied. RESULTS: We performed a comparative expression analysis of rice and Arabidopsis PRXs...
December 2017: Rice
https://www.readbyqxmd.com/read/28647840/interaction-of-ferulic-acid-with-glutathione-s-transferase-and-carboxylesterase-genes-in-the-brown-planthopper-nilaparvata-lugens
#18
Jun Yang, Xiao-Qin Sun, Shu-Ying Yan, Wen-Jun Pan, Mao-Xin Zhang, Qing-Nian Cai
Plant phenolics are crucial defense phytochemicals against herbivores and glutathione S-transferase (GST) and carboxylesterase (CarE) in herbivorous insects are well-known detoxification enzymes for such xenobiotics. To understand relationship between a plant phenolic and herbivore GST or CarE genes, we evaluated the relationship between a rice phenolic ferulic acid and resistance to brown planthopper (BPH, Nilaparvata lugens), and investigated the interaction of ferulic acid with GST or CarE genes in BPH. The results indicate that ferulic acid content in tested rice varieties was highly associated with resistance to BPH...
June 24, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28647102/boosting-rice-yield-by-fine-tuning-spl-gene-expression
#19
Lei Wang, Qifa Zhang
Plant architecture is an important determinant of crop yield. Recent studies showed that SPL family genes regulate the architecture of rice plants. SPLs inhibit tillering in general, but promote panicle branching at optimal expression levels to increase grain number. Fine-tuning the expression of SPL genes may provide useful strategies for crop improvement.
June 21, 2017: Trends in Plant Science
https://www.readbyqxmd.com/read/28646815/integrative-treatment-of-chronic-abdominal-bloating-and-pain-associated-with-overgrowth-of-small-intestinal-bacteria-a-case-report
#20
Laura Kwiatkowski, Elizabeth Rice, Jeffrey Langland
Context • Small intestinal bacterial overgrowth (SIBO) is commonly defined as an increased number of bacteria and/or an abnormal type of bacteria in the small intestine. Conventional treatment for SIBO is typically focused on antibiotics to eradicate the bacterial overgrowth. Numerous studies have demonstrated the antimicrobial activity of herbs, and a diet low in fermentable oligo-, di-, and monosaccharides and polyols (FODMAPs) has been shown to enhance antibiotic therapy. Objective • The current case study intended to evaluate the benefits of an alternative, multifaceted approach-including botanical and homeopathic therapies in conjunction with a low-FODMAP diet-in the treatment of SIBO and its associated symptoms...
July 2017: Alternative Therapies in Health and Medicine
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