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https://www.readbyqxmd.com/read/28723926/ghsos1-a-plasma-membrane-na-h-antiporter-gene-from-upland-cotton-enhances-salt-tolerance-in-transgenic-arabidopsis-thaliana
#1
Xiugui Chen, Xuke Lu, Na Shu, Delong Wang, Shuai Wang, Junjuan Wang, Lixue Guo, Xiaoning Guo, Weili Fan, Zhongxu Lin, Wuwei Ye
Upland cotton (Gossypium hirsutum L.), an important source of natural fiber, can tolerate relatively high salinity and drought stresses. In the present study, a plasma membrane Na+/H+ antiporter gene, GhSOS1, was cloned from a salt-tolerant genotype of G. hirsutum, Zhong 9807. The expression level of GhSOS1 in cotton roots was significantly upregulated in the presence of high concentrations of NaCl (200 mM), while its transcript abundance was increased when exposed to low temperature and drought stresses. Localization analysis using onion epidermal cells showed that the GhSOS1 protein was localized to the plasma membrane...
2017: PloS One
https://www.readbyqxmd.com/read/28723669/multicomponent-analysis-of-the-tumour-microenvironment-reveals-low-cd8-t-cell-number-low-stromal-caveolin-1-and-high-tenascin-c-and-their-combination-as-significant-prognostic-markers-in-non-small-cell-lung-cancer
#2
David Onion, Mark Isherwood, Naveen Shridhar, Mikalena Xenophontos, Madeleine L Craze, Laura J Day, María A García-Márquez, Robert G Pineda, Alexander M Reece-Smith, John H Saunders, John P Duffy, Richard H Argent
The complex interplay of the tumour microenvironment (TME) and its role in disease progression and response to therapy is poorly understood. The majority of studies to date focus on individual components or molecules within the TME and so lack the power correlative analysis. Here we have performed a multi-parameter analysis of the TME in 62 resectable non-small cell lung cancer (NSCLC) specimens detailing number and location of immune infiltrate, assessing markers of cancer-associated fibroblasts, caveolin-1 and tenascin-C, and correlating with clinicopathological details, as well as markers of disease progression such as epithelial-to-mesenchymal transition (EMT)...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28708375/enzyme-that-makes-you-cry-crystal-structure-of-lachrymatory-factor-synthase-from-allium-cepa
#3
Josie A Silvaroli, Matthew J Pleshinger, Surajit Banerjee, Philip D Kiser, Marcin Golczak
The biochemical pathway that gives onions their savor is part of the chemical warfare against microbes and animals. This defense mechanism involves formation of a volatile lachrymatory factor (LF) ((Z)-propanethial S-oxide) that causes familiar eye irritation associated with onion chopping. LF is produced in a reaction catalyzed by lachrymatory factor synthase (LFS). The principles by which LFS facilitates conversion of a sulfenic acid substrate into LF have been difficult to experimentally examine owing to the inherent substrate reactivity and lability of LF...
July 14, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28708030/growth-kinetics-of-listeria-monocytogenes-in-cut-produce
#4
Joelle K Salazar, Surasri N Sahu, Ian M Hildebrandt, Lijie Zhang, Yan Qi, Girvin Liggans, Atin R Datta, Mary Lou Tortorello
Cut produce continues to constitute a significant portion of the fresh fruit and vegetables sold directly to consumers. As such, the safety of these items during storage, handling, and display remains a concern. Cut tomatoes, cut leafy greens, and cut melons, which have been studied in relation to their ability to support pathogen growth, have been specifically identified as needing temperature control for safety. Data are needed on the growth behavior of foodborne pathogens in other types of cut produce items that are commonly offered for retail purchase and are potentially held without temperature control...
July 14, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28706250/metal-organic-frameworks-derived-cobalt-embedded-in-various-carbon-structures-as-bifunctional-electrocatalysts-for-oxygen-reduction-and-evolution-reactions
#5
Binling Chen, Guiping Ma, Yanqiu Zhu, Yongde Xia
A series of nanocomposites of cobalt embedded in N-doped nanoporous carbons, carbon nanotubes or hollow carbon onions have been synthesized by a one-step carbonization of metal-organic-framework ZIF-67. The effect of the carbonization temperature on the structural evolution of the resulting nanocomposites has been investigated in detail. Among the as-synthesized materials, the cobalt/nanoporous N-doped carbon composites have demonstrated excellent electrocatalytic activities and durability towards oxygen reduction reaction in alkaline medium...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28704728/development-of-a-novel-multiplexed-qpcr-and-pyrosequencing-method-for-the-detection-of-human-pathogenic-yersiniae
#6
M C Thomas, T W Janzen, G Huscyzynsky, A Mathews, K K Amoako
The purpose of this study was to develop a novel and robust molecular assay for the detection of human pathogenic yersiniae (i.e. Yersinia enterocolitica, Y. pseudotuberculosis and Y. pestis) in complex food samples. The assay combines multiplexed real-time PCR (qPCR) and Pyrosequencing for detecting and differentiating human pathogenic yersiniae with high confidence through sequence based confirmation. The assay demonstrated 100% specificity and inclusivity when tested against a panel of 14 Y. enterocolitica, 22 Y...
June 20, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28702918/assessment-of-potential-health-risk-of-fluoride-consumption-through-rice-pulses-and-vegetables-in-addition-to-consumption-of-fluoride-contaminated-drinking-water-of-west-bengal-india
#7
Piyal Bhattacharya, Alok Chandra Samal, Suman Banerjee, Jagadish Pyne, Subhas Chandra Santra
A study was conducted in fluoride-affected Bankura and Purulia districts of West Bengal to assess the potential health risk from fluoride exposure among children, teenagers, and adults due to consumption of rice, pulses, and vegetables in addition to drinking water and incidental ingestion of soil by children. Higher mean fluoride contents (13-63 mg/kg dry weight) were observed in radish, carrot, onion bulb, brinjal, potato tuber, cauliflower, cabbage, coriander, and pigeon pea. The combined influence of rice, pulses, and vegetables to cumulative estimated daily intake (EDI) of fluoride for the studied population was found to be 9...
July 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28700090/dietary-practices-and-fodmaps-in-south-asia-applicability-of-the-low-fodmap-diet-to-patients-with-irritable-bowel-syndrome
#8
REVIEW
Samapriya P Hewawasam, Marina Iacovou, Jane G Muir, Peter R Gibson
The low FODMAP diet has been described, evaluated and found efficacious for the treatment of patients with irritable bowel syndrome (IBS) primarily in Western countries. The aim of this review was to address the applicability of this diet to South Asia. The high prevalence of IBS in South Asia and its associated effects of quality of life and economics warrants the introduction of efficacious therapies. The considerable heterogeneity of dietary patterns and methods of food preparation across South Asian countries and a paucity of food analysis limit precision in defining foods that are high or low in FODMAPs...
July 12, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28698552/smmyb36-a-novel-r2r3-myb-transcription-factor-enhances-tanshinone-accumulation-and-decreases-phenolic-acid-content-in-salvia-miltiorrhiza-hairy-roots
#9
Kai Ding, Tianlin Pei, Zhengqing Bai, Yanyan Jia, Pengda Ma, Zongsuo Liang
Phenolic acids and tanshinones are two major bioactive components in Salvia miltiorrhiza Bunge. A novel endogenous R2R3-MYB transcription factor, SmMYB36, was identified in this research. This transcript factor can simultaneously influence the content of two types of components in SmMYB36 overexpression hairy roots. SmMYB36 was mainly localized in the nucleus of onion epidermis and it has transactivation activity. The overexpression of SmMYB36 promoted tanshinone accumulation but inhibited phenolic acid and flavonoid biosynthesis in Salvia miltiorrhiza hairy roots...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28692262/the-family-of-ricinus-communis-monosaccharide-transporters-and-the-rcstp1-in-promoting-the-uptake-of-a-glucose-fipronil-conjugate
#10
Gen-Lin Mao, Ying Yan, Yan Chen, Bing-Feng Wang, Fei-Fei Xu, Zhi-Xiang Zhang, Fei Lin, Han-Hong Xu
Enhancement of the systemic distribution of a chemical control agent by exploiting the normal movement of a solute through a plant's vascular system will surely increase its efficacy, and thereby allows for a reduction in both the volume and frequency of their application. Foliar uptake and phloem transport of N-[3-cyano-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazol-5-yl]-1-(β-D-glucopyranosyl)-1H-1,2,3-triazole-4-methanamine (GTF), a glucose-fipronil conjugate, involved a carrier-mediated mechanism in Ricinus communis by utilizing castor bean monosaccharide transporters...
July 10, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28689413/mesoscopic-structures-of-poly-carboxybetaine-block-copolymer-and-poly-ethylene-glycol-block-copolymer-in-solutions
#11
Mingrui Liao, Hongyan Liu, Hongyu Guo, Jian Zhou
The antifouling property of exogenous materials is vital for their in vivo applications. In this work, dissipative particle dynamics simulations are performed to study the self-assembled morphologies of two copolymer systems containing poly(ethylene glycol) (PEG) and poly(carboxybetaine) (PCB) in aqueous solutions. Effects of polymer composition and polymer concentration on the self-assembled structures of the two copolymers (PLA-PEG and PLA-PCB) are investigated, respectively [PLA represents poly(lactic acid)]...
July 17, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28684791/development-of-insect-life-tables-comparison-of-two-demographic-methods-of-delia-antiqua-diptera-anthomyiidae-on-different-hosts
#12
Shuoying Ning, Wenchao Zhang, Yan Sun, Jinian Feng
In this study, we first construct an age-stage, two-sex life table for onion maggot, Delia antiqua, grown on three host plants: onion, scallion, and garlic. We found that onion is the optimal host for this species and populations grown on onion have maximum fecundity, longest adult longevity and reproduction period, and the shortest immature developmental time. In contrast, the fecundity on other hosts was lower, particularly on garlic, but these crops can also serve as important secondary hosts for this pest...
July 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28681139/a-novel-ap2-erf-family-transcription-factor-from-glycine-soja-gserf71-is-a-dna-binding-protein-that-positively-regulates-alkaline-stress-tolerance-in-arabidopsis
#13
Yang Yu, Xiangbo Duan, Xiaodong Ding, Chao Chen, Dan Zhu, Kuide Yin, Lei Cao, Xuewei Song, Pinghui Zhu, Qiang Li, Zaib Un Nisa, Jiyang Yu, Jianying Du, Yu Song, Huiqing Li, Beidong Liu, Yanming Zhu
Here we first found that GsERF71, an ERF factor from wild soybean could increase plant alkaline stress tolerance by up-regulating H+-ATPase and by modifing the accumulation of Auxin. Alkaline soils are widely distributed all over the world and greatly limit plant growth and development. In our previous transcriptome analyses, we have identified several ERF (ethylene-responsive factor) genes that responded strongly to bicarbonate stress in the roots of wild soybean G07256 (Glycine soja). In this study, we cloned and functionally characterized one of the genes, GsERF71...
July 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28672698/hexavalent-chromium-adsorption-from-aqueous-solution-using-carbon-nano-onions-cnos
#14
Chainarong Sakulthaew, Chanat Chokejaroenrat, Amnart Poapolathep, Tunlawit Satapanajaru, Saranya Poapolathep
The capacity of carbon nano-onions (CNOs) to remove hexavalent chromium (Cr(VI)) from aqueous solution was investigated. Batch experiments were performed to quantify the effects of the dosage rate, pH, counter ions, and temperature. The adsorption of Cr(VI) onto CNOs was best described by a pseudo-second order rate expression. The adsorption efficiency increased with increasing adsorbent dosage and contact time and reached equilibrium in 24 h. The equilibrium data showed better compliance with a Langmuir isotherm than a Freundlich isotherm...
June 22, 2017: Chemosphere
https://www.readbyqxmd.com/read/28671956/a-multiscale-cerebral-neurochemical-connectome-of-the-rat-brain
#15
Hamid R Noori, Judith Schöttler, Maria Ercsey-Ravasz, Alejandro Cosa-Linan, Melinda Varga, Zoltan Toroczkai, Rainer Spanagel
Understanding the rat neurochemical connectome is fundamental for exploring neuronal information processing. By using advanced data mining, supervised machine learning, and network analysis, this study integrates over 5 decades of neuroanatomical investigations into a multiscale, multilayer neurochemical connectome of the rat brain. This neurochemical connectivity database (ChemNetDB) is supported by comprehensive systematically-determined receptor distribution maps. The rat connectome has an onion-type structural organization and shares a number of structural features with mesoscale connectomes of mouse and macaque...
July 2017: PLoS Biology
https://www.readbyqxmd.com/read/28667639/flavonoid-rich-agro-industrial-residues-for-enhanced-bacterial-laccase-production-by-submerged-and-solid-state-fermentation
#16
Aarjoo Sharma, Vijaya Gupta, Mussarat Khan, Sanjeev Balda, Naveen Gupta, Neena Capalash, Prince Sharma
Laccases have potential applications in industrial, biotechnological, and environmental set ups. Development of cost effective and efficient production technologies has gained significant attention in recent years. To enhance the laccase production from Rheinheimera sp. (Gram negative) using submerged fermentation (SmF) and from Lysinibacillus sp. (Gram positive) using solid-state fermentation (SSF), the inducing effect of various flavonoid-rich agro-industrial residues was investigated. Peels of citrus fruits, soybean meal, tofu dreg, lignin monomers, and lingo-cellulosic waste, used tea leaves and peels of onion and kiwi, paper, and dying industry effluents were tested as inducers...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28665110/curvature-induced-metal-support-interaction-of-an-islands-by-islands-composite-of-platinum-catalyst-and-carbon-nano-onion-for-durable-oxygen-reduction
#17
Juchan Yang, Su Hwan Kim, Sang Kyu Kwak, Hyun-Kon Song
Geometry of carbon supports significantly affected electrochemical durability of Pt/C (platinum electrocatalyst supported by carbon) for oxygen reduction reaction (ORR). Carbon nano-onion (CNO) was used as the support, which is characterized by its nanosize (similar to Pt size) and high curvature. Superior ORR durability was guaranteed by Pt/CNO due to (1) its islands-by-islands configuration to isolate each Pt nanoparticle from its neighbors by CNO particles; (2) highly tortuous void structure of the configuration to suppress Ostwald ripening; and (3) the curvature-induced strong interaction between CNO and Pt...
July 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28660536/in-silico-identification-of-novel-micrornas-and-targets-using-est-analysis-in-allium-cepa-l
#18
Bahram Baghban Kohnehrouz, Meysam Bastami, Shahnoush Nayeri
microRNAs (miRNAs) are a newly discovered class of non-coding small RNAs roughly 22 nucleotides long. Increasing evidence has shown that miRNAs play multiple roles in biological processes, including development, cell proliferation, apoptosis and stress responses. The identification of miRNAs and their targets is an important need to understand their roles in the development and physiology of sweet onion (Allium cepa). In this research, several computational approaches were combined to make concise prediction of the potential miRNAs and their targets...
June 28, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28657075/bioinspired-onion-epithelium-like-structure-promotes-the-maturation-of-cardiomyocytes-derived-from-human-pluripotent-stem-cells
#19
Cong Xu, Li Wang, Yue Yu, Fangchao Yin, Xiaoqing Zhang, Lei Jiang, Jianhua Qin
Organized cardiomyocyte alignment is critical to maintain the mechanical properties of the heart. In this study, we present a new and simple strategy to fabricate a biomimetic microchip designed with an onion epithelium-like structure and investigate the guided behavior of human induced pluripotent stem cell derived cardiomyocytes (hiPSC-CMs) on the substrate. The hiPSC-CMs were observed to be confined by the three dimensional surficial features morphologically, analogous to the in vivo microenvironment, and exhibited an organized anisotropic alignment on the onion epithelium-like structure with good beating function...
June 28, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28654660/isolation-and-characterization-of-gmmybj3-an-r2r3-myb-transcription-factor-that-affects-isoflavonoids-biosynthesis-in-soybean
#20
Mingzhu Zhao, Tianliang Wang, Ping Wu, Wenyun Guo, Liantai Su, Ying Wang, Yajing Liu, Fan Yan, Qingyu Wang
Isoflavonoids are secondary metabolites that play a variety of roles in plant-microbe interactions and plant defenses against abiotic stresses. Here we report a new MYB transcription factor (TF) gene, GmMYBJ3, that is involved in the isoflavonoids biosynthesis. The GmMYBJ3 gene is 1,002 bp long and encodes a protein of 333 amino acids. Amino acid sequence analysis showed that GmMYBJ3 is a typical R2R3 MYB TF. Yeast expression experiment demonstrated that GmMYBJ3 has its transcription activity in the nucleus and is transiently expressed in onion epidermal cells...
2017: PloS One
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