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https://www.readbyqxmd.com/read/27906059/a-mitochondrial-hsp70-hspa9b-is-linked-to-miltefosine-resistance-and-stress-response-in-leishmania-donovani
#1
P Vacchina, B Norris-Mullins, E S Carlson, M A Morales
BACKGROUND: Protozoan parasites of the genus Leishmania are responsible for leishmaniasis, a neglected tropical disease affecting millions worldwide. Visceral leishmaniasis (VL), caused by Leishmania donovani, is the most severe form of leishmaniasis with high rates of mortality if left untreated. Current treatments include pentavalent antimonials and amphotericin B. However, high toxicity and emergence of resistance hinder the success of these options. Miltefosine (HePC) is the first oral treatment available for leishmaniasis...
December 1, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27905870/transcriptomic-and-proteomic-approach-to-identify-differentially-expressed-genes-and-proteins-in-arabidopsis-thaliana-mutants-lacking-chloroplastic-1-and-cytosolic-fbpases-reveals-several-levels-of-metabolic-regulation
#2
Mauricio Soto-Suárez, Antonio J Serrato, José A Rojas-González, Rocío Bautista, Mariam Sahrawy
BACKGROUND: During the photosynthesis, two isoforms of the fructose-1,6-bisphosphatase (FBPase), the chloroplastidial (cFBP1) and the cytosolic (cyFBP), catalyse the first irreversible step during the conversion of triose phosphates (TP) to starch or sucrose, respectively. Deficiency in cyFBP and cFBP1 isoforms provokes an imbalance of the starch/sucrose ratio, causing a dramatic effect on plant development when the plastidial enzyme is lacking. RESULTS: We study the correlation between the transcriptome and proteome profile in rosettes and roots when cFBP1 or cyFBP genes are disrupted in Arabidopsis thaliana knock-out mutants...
December 1, 2016: BMC Plant Biology
https://www.readbyqxmd.com/read/27905125/gadd45%C3%AE-is-involved-in-the-apoptosis-of-lymphocytes-induced-by-riboflavin-and-ultraviolet-light
#3
Peng Yang, Huiqin Wen, Tao Zhong, Hailiang Hu, Bangqiang Zhu, Kang Xia, Mo Xu, Maohong Bian
BACKGROUND: Riboflavin plus ultraviolet (UV) pathogen reduction technology (RF-PRT) is an effective method for inactivating the residual white blood cells (WBCs) in blood components. The RF-PRT system for platelets is known to activate many signaling pathways, including p38 and NF-κB. Nevertheless, proteomic studies in WBCs after riboflavin plus UV treatment requires further analysis. STUDY DESIGN AND METHODS: ABO/D-matched lymphocytes were pooled, split, and treated with RF-PRT or UV light or left untreated...
December 1, 2016: Transfusion
https://www.readbyqxmd.com/read/27905123/selective-precipitation-reaction-a-novel-diagnostic-test-for-tissue-pathology-in-atlantic-salmon-salmo-salar-infected-with-salmonid-alphavirus-sav3
#4
M Braceland, J Tinsley, D Cockerill, R Bickerdike, M F McLoughlin, P D Eckersall
While investigating biomarkers for infection with salmonid alphavirus (SAV), the cause of pancreas disease (PD), a selective precipitation reaction (SPR) has been discovered in serum which could be an on-farm qualitative test and an in-laboratory quantitative assay for health assessments in aquaculture. Mixing serum from Atlantic salmon, Salmo salar, with SAV infection with a sodium acetate buffer caused a visible precipitation which does not occur with serum from healthy salmon. Proteomic examination of the precipitate has revealed that the components are a mix of muscle proteins, for example enolase and aldolase, along with serum protein such as serotransferrin and complement C9...
November 30, 2016: Journal of Fish Diseases
https://www.readbyqxmd.com/read/27904969/metabolic-responses-and-omics-technologies-for-elucidating-the-effects-of-heat-stress-in-dairy-cows
#5
REVIEW
Li Min, Shengguo Zhao, He Tian, Xu Zhou, Yangdong Zhang, Songli Li, Hongjian Yang, Nan Zheng, Jiaqi Wang
Heat stress (HS) negatively affects various industries that rely on animal husbandry, particularly the dairy industry. A better understanding of metabolic responses in HS dairy cows is necessary to elucidate the physiological mechanisms of HS and offer a new perspective for future research. In this paper, we review the current knowledge of responses of body metabolism (lipid, carbohydrate, and protein), endocrine profiles, and bovine mammary epithelial cells during HS. Furthermore, we summarize the metabolomics and proteomics data that have revealed the metabolite profiles and differentially expressed proteins that are a feature of HS in dairy cows...
November 30, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27904885/a-novel-protective-vaccine-antigen-from-the-core-escherichia-coli-genome
#6
Danilo G Moriel, Lendl Tan, Kelvin G K Goh, Minh-Duy Phan, Deepak S Ipe, Alvin W Lo, Kate M Peters, Glen C Ulett, Scott A Beatson, Mark A Schembri
Escherichia coli is a versatile pathogen capable of causing intestinal and extraintestinal infections that result in a huge burden of global human disease. The diversity of E. coli is reflected by its multiple different pathotypes and mosaic genome composition. E. coli strains are also a major driver of antibiotic resistance, emphasizing the urgent need for new treatment and prevention measures. Here, we used a large data set comprising 1,700 draft and complete genomes to define the core and accessory genome of E...
November 2016: MSphere
https://www.readbyqxmd.com/read/27904486/neurofibrillary-tangles-in-alzheimer-s-disease-elucidation-of-the-molecular-mechanism-by-immunohistochemistry-and-tau-protein-phospho-proteomics
#7
Athanasios Metaxas, Stefan J Kempf
No abstract text is available yet for this article.
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27904462/overexpression-of-a-pathogenesis-related-protein-10-enhances-biotic-and-abiotic-stress-tolerance-in-rice
#8
Jingni Wu, Sang Gon Kim, Kyu Young Kang, Ju-Gon Kim, Sang-Ryeol Park, Ravi Gupta, Yong Hwan Kim, Yiming Wang, Sun Tae Kim
Pathogenesis-related proteins play multiple roles in plant development and biotic and abiotic stress tolerance. Here, we characterize a rice defense related gene named "jasmonic acid inducible pathogenesis-related class 10" (JIOsPR10) to gain an insight into its functional properties. Semi-quantitative RT-PCR analysis showed up-regulation of JIOsPR10 under salt and drought stress conditions. Constitutive over-expression JIOsPR10 in rice promoted shoot and root development in transgenic plants, however, their productivity was unaltered...
December 2016: Plant Pathology Journal
https://www.readbyqxmd.com/read/27903962/targeted-proteomics-in-urinary-extracellular-vesicles-identifies-biomarkers-for-diagnosis-and-prognosis-of-prostate-cancer
#9
Tamara Sequeiros, Marina Rigau, Cristina Chiva, Melania Montes, Iolanda Garcia-Grau, Marta Garcia, Sherley Diaz, Ana Celma, Irene Bijnsdorp, Alex Campos, Primiano Di Mauro, Salvador Borrós, Jaume Reventós, Andreas Doll, Rosanna Paciucci, Michiel Pegtel, Inés de Torres, Eduard Sabidó, Juan Morote, Mireia Olivan
Rapid and reliable diagnosis of prostate cancer (PCa) is highly desirable as current used methods lack specificity. In addition, identification of PCa biomarkers that can classify patients into high- and low-risk groups for disease progression at early stage will improve treatment decision-making. Here, we describe a set of protein-combination panels in urinary extracellular vesicles (EVs), defined by targeted proteomics and immunoblotting techniques that improve early non-invasive detection and stratification of PCa patients...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27903914/proteomic-analysis-of-the-human-keops-complex-identifies-c14orf142-as-a-core-subunit-homologous-to-yeast-gon7
#10
Leo C K Wan, Pierre Maisonneuve, Rachel K Szilard, Jean-Philippe Lambert, Timothy F Ng, Noah Manczyk, Hao Huang, Rob Laister, Amy A Caudy, Anne-Claude Gingras, Daniel Durocher, Frank Sicheri
The KEOPS/EKC complex is a tRNA modification complex involved in the biosynthesis of N(6)-threonylcarbamoyladenosine (t(6)A), a universally conserved tRNA modification found on ANN-codon recognizing tRNAs. In archaea and eukaryotes, KEOPS is composed of OSGEP/Kae1, PRPK/Bud32, TPRKB/Cgi121 and LAGE3/Pcc1. In fungi, KEOPS contains an additional subunit, Gon7, whose orthologs outside of fungi, if existent, remain unidentified. In addition to displaying defective t(6)A biosynthesis, Saccharomyces cerevisiae strains harboring KEOPS mutations are compromised for telomere homeostasis, growth and transcriptional co-activation...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27903906/eupathdb-the-eukaryotic-pathogen-genomics-database-resource
#11
Cristina Aurrecoechea, Ana Barreto, Evelina Y Basenko, John Brestelli, Brian P Brunk, Shon Cade, Kathryn Crouch, Ryan Doherty, Dave Falke, Steve Fischer, Bindu Gajria, Omar S Harb, Mark Heiges, Christiane Hertz-Fowler, Sufen Hu, John Iodice, Jessica C Kissinger, Cris Lawrence, Wei Li, Deborah F Pinney, Jane A Pulman, David S Roos, Achchuthan Shanmugasundram, Fatima Silva-Franco, Sascha Steinbiss, Christian J Stoeckert, Drew Spruill, Haiming Wang, Susanne Warrenfeltz, Jie Zheng
The Eukaryotic Pathogen Genomics Database Resource (EuPathDB, http://eupathdb.org) is a collection of databases covering 170+ eukaryotic pathogens (protists & fungi), along with relevant free-living and non-pathogenic species, and select pathogen hosts. To facilitate the discovery of meaningful biological relationships, the databases couple preconfigured searches with visualization and analysis tools for comprehensive data mining via intuitive graphical interfaces and APIs. All data are analyzed with the same workflows, including creation of gene orthology profiles, so data are easily compared across data sets, data types and organisms...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27903834/saliva-diagnostics-current-views-and-directions
#12
Karolina Elżbieta Kaczor-Urbanowicz, Carmen Martin Carreras-Presas, Katri Aro, Michael Tu, Franklin Garcia-Godoy, David Tw Wong
In this review, we provide an update on the current and future applications of saliva for diagnostic purposes. There are many advantages of using saliva as a biofluid. Its collection is fast, easy, inexpensive, and non-invasive. In addition, saliva, as a "mirror of the body," can reflect the physiological and pathological state of the body. Therefore, it serves as a diagnostic and monitoring tool in many fields of science such as medicine, dentistry, and pharmacotherapy. Introduced in 2008, the term "Salivaomics" aimed to highlight the rapid development of knowledge about various "omics" constituents of saliva, including: proteome, transcriptome, micro-RNA, metabolome, and microbiome...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27903678/adnp-is-a-therapeutically-inducible-repressor-of-wnt-signaling-in-colorectal-cancer
#13
Cristina Blaj, Agnes Bringmann, Eva Marina Schmidt, Manuela Urbischek, Sebastian Lamprecht, Thomas Fröhlich, Georg J Arnold, Stefan Krebs, Helmut Blum, Heiko Hermeking, Andreas Jung, Thomas Kirchner, David Horst
PURPOSE: Constitutively active WNT signaling is hallmark of colorectal cancers and driver of malignant tumor progression. Therapeutic targeting of WNT signaling is difficult due to high pathway complexity and its role in tissue homeostasis. Here we identify the transcription factor ADNP as a pharmacologically inducible repressor of WNT signaling in colon cancer. EXPERIMENTAL DESIGN: We used transcriptomic, proteomic, and in situ analyses to identify ADNP expression in colorectal cancer, and cell biology approaches to determine its function...
November 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27903615/urine-proteome-specific-for-eye-damage-can-predict-kidney-damage-in-patients-with-type-2-diabetes-a-case-control-and-a-5-3-year-prospective-cohort-study
#14
Jin-Kui Yang, Ying-Ying Wang, Chang Liu, Ting-Ting Shi, Jing Lu, Xi Cao, Fang-Yuan Yang, Jian-Ping Feng, Chen Chen, Li-Nong Ji, Aimin Xu
OBJECTIVE: The predictive value of microalbuminuria (MAU) for kidney damage is limited in type 2 diabetes (T2D). We studied whether a urine proteome specific for sight-threatening proliferative diabetic retinopathy (PDR) is an indicator to predict chronic renal insufficiency (CRI) in patients with T2D. RESEARCH DESIGN AND METHODS: A shotgun urine proteomic analysis was performed in patients with MAU and PDR (case subjects) and in patients with MAU and a duration of T2D for >10 years but with without any degree of retinopathy (control subjects)...
November 30, 2016: Diabetes Care
https://www.readbyqxmd.com/read/27903464/a-peptide-retrieval-strategy-enables-significant-improvement-of-quantitative-performance-without-compromising-confidence-of-identification
#15
Chengjian Tu, Shichen Shen, Quanhu Sheng, Yu Shyr, Jun Qu
: Reliable quantification of low-abundance proteins in complex proteomes is challenging largely owing to the limited number of spectra/peptides identified. In this study we developed a straightforward method to improve the quantitative accuracy and precision of proteins by strategically retrieving the less confident peptides that were previously filtered out using the standard target-decoy search strategy. The filtered-out MS/MS spectra matched to confidently-identified proteins were recovered, and the peptide-spectrum-match FDR were re-calculated and controlled at a confident level of FDR≤1%, while protein FDR maintained at ~1%...
November 26, 2016: Journal of Proteomics
https://www.readbyqxmd.com/read/27902881/the-chimeric-nature-of-the-genomes-of-marine-magnetotactic-coccoid-ovoid-bacteria-defines-a-novel-group-of-proteobacteria
#16
Boyang Ji, Sheng-Da Zhang, Wei-Jia Zhang, Zoe Rouy, François Alberto, Claire-Lise Santini, Sophie Mangenot, Séverine Gagnot, Nadège Philippe, Nathalie Pradel, Lichen Zhang, Sébastien Tempel, Ying Li, Claudine Médigue, Bernard Henrissat, Pedro M Coutinho, Valérie Barbe, Emmanuel Talla, Long-Fei Wu
Magnetotactic bacteria (MTB) are a group of phylogenetically and physiologically diverse Gram-negative bacteria that synthesize intracellular magnetic crystals named magnetosomes. MTB are affiliated with three classes of Proteobacteria phylum, Nitrospirae phylum, Omnitrophica phylum and probably with the candidate phylum Latescibacteria. The evolutionary origin and physiological diversity of MTB compared to other bacterial taxonomic groups remain to be illustrated. Here, we analyzed the genome of the marine magneto-ovoid strain MO-1 and found that it is closely related to Magnetococcus marinus MC-1...
November 30, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27902743/itraq-based-quantitative-proteomic-analysis-of-spirulina-platensis-in-response-to-low-temperature-stress
#17
Qingye Li, Rong Chang, Yijun Sun, Bosheng Li
Low temperature (LT) is one of the most important abiotic stresses that can significantly reduce crop yield. To gain insight into how Spirulina responds to LT stress, comprehensive physiological and proteomic analyses were conducted in this study. Significant decreases in growth and pigment levels as well as excessive accumulation of compatible osmolytes were observed in response to LT stress. An isobaric tag for relative and absolute quantitation (iTRAQ)-based quantitative proteomics approach was used to identify changes in protein abundance in Spirulina under LT...
2016: PloS One
https://www.readbyqxmd.com/read/27902448/rasgrp1-promotes-amphetamine-induced-motor-behavior-through-a-rhes-interaction-network-rhesactome-in-the-striatum
#18
Neelam Shahani, Supriya Swarnkar, Vincenzo Giovinazzo, Jenny Morgenweck, Laura M Bohn, Catherina Scharager-Tapia, Bruce Pascal, Pablo Martinez-Acedo, Kshitij Khare, Srinivasa Subramaniam
The striatum of the brain coordinates motor function. Dopamine-related drugs may be therapeutic to patients with striatal neurodegeneration, such as Huntington's disease (HD) and Parkinson's disease (PD), but these drugs have unwanted side effects. In addition to stimulating the release of norepinephrine, amphetamines, which are used for narcolepsy and attention-deficit/hyperactivity disorder (ADHD), trigger dopamine release in the striatum. The guanosine triphosphatase Ras homolog enriched in the striatum (Rhes) inhibits dopaminergic signaling in the striatum, is implicated in HD and L-dopa-induced dyskinesia, and has a role in striatal motor control...
November 15, 2016: Science Signaling
https://www.readbyqxmd.com/read/27902361/qualitative-proteomic-analysis-of-tipula-oleracea-nudivirus-tonv-occlusion-bodies
#19
Anne Bézier, Grégoire Harichaux, Karine Musset, Valérie Labas, Elisabeth A Herniou
Nudiviruses are arthropod-specific large double-stranded circular DNA viruses, related to baculoviruses, which replicate in the nucleus of the cells they infect. Up to date six fully sequenced nudiviral genomes are available in databases and protein profile from nudivirus particles were mainly characterized by polyacrylamide gel electrophoresis. However, only few direct matches were completed between genomic and proteomic data to the exception of the major occlusion body protein from Penaeus monodon nudivirus (PmNV) and four nucleocapsid proteins from Helicoverpa zea nudivirus 2 (HzNV-2)...
November 16, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27901589/the-human-adrenal-gland-proteome-defined-by-transcriptomics-and-antibody-based-profiling
#20
Julia Bergman, Johan Botling, Linn Fagerberg, Björn M Hallström, Dijana Djureinovic, Mathias Uhlén, Fredrik Pontén
The adrenal gland is a composite endocrine organ with vital functions that include the synthesis and release of glucocorticoids and catecholamines. To define the molecular landscape that underlies the specific functions of the adrenal gland, we combined a genome-wide transcriptomics approach based on mRNA sequencing of human tissues with immunohistochemistry-based protein profiling on tissue microarrays. Approximately two-thirds of all putative protein coding genes were expressed in the adrenal gland and the analysis identified 253 genes with an elevated pattern of expression in the adrenal gland, with only 37 genes showing a markedly higher expression level (>5-fold) in the adrenal gland compared to 31 other normal human tissue types analyzed...
November 30, 2016: Endocrinology
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