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https://www.readbyqxmd.com/read/28239779/variation-in-barley-1%C3%A2-%C3%A2-3-1%C3%A2-%C3%A2-%C3%A2-4-%C3%AE-glucan-endohydrolases-reveals-novel-allozymes-with-increased-thermostability
#1
Juanita C Lauer, Suong Cu, Rachel A Burton, Jason K Eglinton
Novel barley (1 → 3, 1 → 4)-β-glucan endohydrolases with increased thermostability. Rapid and reliable degradation of (1 → 3, 1 → 4)-β-glucan to produce low viscosity wort is an essential requirement for malting barley. The (1 → 3, 1 → 4)-β-glucan endohyrolases are responsible for the primary hydrolysis of cell wall β-glucan. The variation in β-glucanase genes HvGlb1 and HvGlb2 that encode EI and EII, respectively, were examined in elite and exotic germplasm. Six EI and 14 EII allozymes were identified, and significant variation was found in β-glucanase from Hordeum vulgare ssp...
February 26, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28239649/switching-harmful-visceral-fat-to-beneficial-energy-combustion-improves-metabolic-dysfunctions
#2
Xiaoyan Yang, Wenhai Sui, Meng Zhang, Mei Dong, Sharon Lim, Takahiro Seki, Ziheng Guo, Carina Fischer, Huixia Lu, Cheng Zhang, Jianmin Yang, Meng Zhang, Yangang Wang, Caixia Cao, Yanyan Gao, Xingguo Zhao, Meili Sun, Yuping Sun, Rujie Zhuang, Nilesh J Samani, Yun Zhang, Yihai Cao
Visceral fat is considered the genuine and harmful white adipose tissue (WAT) that is associated to development of metabolic disorders, cardiovascular disease, and cancer. Here, we present a new concept to turn the harmful visceral fat into a beneficial energy consumption depot, which is beneficial for improvement of metabolic dysfunctions in obese mice. We show that low temperature-dependent browning of visceral fat caused decreased adipose weight, total body weight, and body mass index, despite increased food intake...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28239633/dataset-of-proinflammatory-cytokine-and-cytokine-receptor-gene-expression-in-rainbow-trout-oncorhynchus-mykiss-measured-using-a-novel-gexp-multiplex-rt-pcr-assay
#3
Ivan Kutyrev, Beth Cleveland, Timothy Leeds, Gregory D Wiens
A GeXP multiplex, RT-PCR assay was developed and optimized that simultaneously measures expression of a suite of immune-relevant genes in rainbow trout (Oncorhynchus mykiss), concentrating on tumor necrosis factor and interleukin-1 ligand/receptor systems and acute phase response genes. The dataset includes expression values for drpt, il11a, il1b1, il1b2, il1b3, il1r-like-1(e3-5), il1r-like-1(e9-11), il1r1-like-a, il1r1-like-b, il1r2, saa, tnfa1, tnfa2, tnfa3, tnfrsf1a, tnfrsf1a-like-a, tnfrsf1a-like-b, tnfrsf5, and tnfrsf9...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28239471/gene-expression-markers-of-tumor-infiltrating-leukocytes
#4
Patrick Danaher, Sarah Warren, Lucas Dennis, Leonard D'Amico, Andrew White, Mary L Disis, Melissa A Geller, Kunle Odunsi, Joseph Beechem, Steven P Fling
BACKGROUND: Assays of the abundance of immune cell populations in the tumor microenvironment promise to inform immune oncology research and the choice of immunotherapy for individual patients. We propose to measure the intratumoral abundance of various immune cell populations with gene expression. In contrast to IHC and flow cytometry, gene expression assays yield high information content from a clinically practical workflow. Previous studies of gene expression in purified immune cells have reported hundreds of genes showing enrichment in a single cell type, but the utility of these genes in tumor samples is unknown...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28239414/a-novel-small-rna-coar-regulates-coenzyme-a-biosynthesis-and-tolerance-of-synechocystis-sp-pcc6803-to-1-butanol-possibly-via-promoter-directed-transcriptional-silencing
#5
Tao Sun, Guangsheng Pei, Jiangxin Wang, Lei Chen, Weiwen Zhang
BACKGROUND: Microbial small RNAs (sRNAs) have been proposed as valuable regulatory elements for optimizing cellular metabolism for industrial purposes. However, little information is currently available on functional relevance of sRNAs to biofuels tolerance in cyanobacteria. RESULTS: Here, we described the identification and functional characterization of a novel 124 nt sRNA Ncl1460 involved in tolerance to biofuel 1-butanol in Synechocystis sp. PCC 6803. The expression of Ncl1460 was verified by blotting assay and its length was determined through 3' RACE...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28239348/genetic-determinants-of-parkinson-s-disease-can-they-help-to-stratify-the-patients-based-on-the-underlying-molecular-defect
#6
REVIEW
Sara Redenšek, Maja Trošt, Vita Dolžan
Parkinson's disease (PD) is a sporadic progressive neurodegenerative brain disorder with a relatively strong genetic background. We have reviewed the current literature about the genetic factors that could be indicative of pathophysiological pathways of PD and their applications in everyday clinical practice. Information on novel risk genes is coming from several genome-wide association studies (GWASs) and their meta-analyses. GWASs that have been performed so far enabled the identification of 24 loci as PD risk factors...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28239316/15-hydroxyprostaglandin-dehydrogenase-as-a-marker-in-colon-carcinogenesis-analysis-of-the-prostaglandin-pathway-in-human-colonic-tissue
#7
Dong-Hoon Yang, Yeon-Mi Ryu, Sun-Mi Lee, Jin-Yong Jeong, Soon Man Yoon, Byong Duk Ye, Jeong-Sik Byeon, Suk-Kyun Yang, Seung-Jae Myung
BACKGROUND/AIMS: Cyclooxygenase-2 (COX-2), 15-hydroxyprostaglandin dehydrogenase (15-PGDH), and microsomal prostaglandin E synthase-1 (mPGEs-1) regulate prostaglandin E2 (PGE2) expression and are involved in colon carcinogenesis. We investigated the expression of PGE2 and its regulating genes in sporadic human colon tumors and matched normal tissues. METHODS: Twenty colonic adenomas and 27 colonic adenocarcinomas were evaluated. COX-2 and 15-PGDH expression was quantified by real-time polymerase chain reaction...
January 2017: Intestinal Research
https://www.readbyqxmd.com/read/28239300/mir-7-inhibits-progression-of-hepatocarcinoma-by-targeting-klf-4-and-promises-a-novel-diagnostic-biomarker
#8
Weizhong Wu, Sanguang Liu, Yunfei Liang, Zegao Zhou, Xueqing Liu
BACKGROUND: MicroRNAs are 22-24 nt non-coding RNAs that bind to the 3' UTR of target mRNAs, thereby inducing mRNA degradation or inhibiting mRNA translation. Due to their implication in the regulation of post-transcriptional processes, the role of miRNAs in hepatocellular carcinoma (HCC) has been extensively studied. However, the function of miR-7 in HCC remains to be demonstrated. METHODS: 50 paired HCC tissues and matched peritumor tissues from patients were collected...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28239160/insights-into-the-molecular-mechanisms-of-polygonum-multiflorum-thunb-induced-liver-injury-a-computational-systems-toxicology-approach
#9
Yin-Yin Wang, Jie Li, Zeng-Rui Wu, Bo Zhang, Hong-Bin Yang, Qin Wang, Ying-Chun Cai, Gui-Xia Liu, Wei-Hua Li, Yun Tang
An increasing number of cases of herb-induced liver injury (HILI) have been reported, presenting new clinical challenges. In this study, taking Polygonum multiflorum Thunb (PmT) as an example, we proposed a computational systems toxicology approach to explore the molecular mechanisms of HILI. First, the chemical components of PmT were extracted from 3 main TCM databases as well as the literature related to natural products. Then, the known targets were collected through data integration, and the potential compound-target interactions (CTIs) were predicted using our substructure-drug-target network-based inference (SDTNBI) method...
February 27, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28239147/asymmetric-interactions-between-doublesex-and-tissue-and-sex-specific-target-genes-mediate-sexual-dimorphism-in-beetles
#10
C C Ledón-Rettig, E E Zattara, A P Moczek
Sexual dimorphisms fuel significant intraspecific variation and evolutionary diversification. Yet the developmental-genetic mechanisms underlying sex-specific development remain poorly understood. Here, we focus on the conserved sex-determination gene doublesex (dsx) and the mechanisms by which it mediates sex-specific development in a horned beetle species by combining systemic dsx knockdown, high-throughput sequencing of diverse tissues and a genome-wide analysis of Dsx-binding sites. We find that Dsx regulates sex-biased expression predominantly in males, that Dsx's target repertoires are highly sex- and tissue-specific and that Dsx can exercise its regulatory role via two distinct mechanisms: as a sex-specific modulator by regulating strictly sex-specific targets, or as a switch by regulating the same genes in males and females in opposite directions...
February 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28239039/bacterial-community-in-the-rumen-of-tibetan-sheep-and-gansu-alpine-fine-wool-sheep-grazing-on-the-qinghai-tibetan-plateau-china
#11
Jinqiang Huang, Yongjuan Li, Yuzhu Luo
The rumen microbiome plays a vital role in ruminant nutrition and health, and its community is affected by environmental factors. However, little is known about the rumen bacterial community of ruminants living in the special ecological environment of the Qinghai-Tibetan Plateau (QTP) of China. The objectives of this study were to investigate the rumen bacterial community of the typical plateau sheep (Tibetan sheep, TS, and Gansu alpine fine-wool sheep, GS) grazing on the QTP, using 16S rRNA gene sequence analysis, and to evaluate the relationship between the rumen bacterial community and the QTP environment...
February 24, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/28239029/comprehensive-analysis-of-gene-mutation-and-expression-profiles-in-neuroendocrine-carcinomas-of-the-stomach
#12
Rie Makuuchi, Masanori Terashima, Masatoshi Kusuhara, Takashi Nakajima, Masakuni Serizawa, Keiichi Hatakeyama, Keiichi Ohshima, Kenichi Urakami, Ken Yamaguchi
The gene mutation and expression profiles of gastric neuroendocrine carcinoma (NEC) have not been comprehensively determined. Here, we examined the gene mutation and expression profiles of NEC using whole exome sequencing (WES) and microarray analysis. Six patients with gastric NEC and 13 with gastric adenocarcinoma (GAD) were included in this study. Single nucleotide variants were compared and multivariate statistical investigation with orthogonal partial least squares discriminant analysis (OPLS-DA) was performed to compare the difference in expression profiles between NEC and GAD...
2017: Biomedical Research
https://www.readbyqxmd.com/read/28238780/ly6-plaur-domain-containing-3-has-a-role-in-the-maintenance-of-colorectal-cancer-stem-like-cells
#13
Liming Wang, Yoshihiko Hirohashi, Tadashi Ogawa, Min Shen, Rui Takeda, Aiko Murai, Eri Yamamoto, Terufumi Kubo, Munehide Nakatsugawa, Takayuki Kanaseki, Tomohide Tsukahara, Toshihiko Nishidate, Kenji Okita, Goro Kutomi, Noriyuki Sato, Ichiro Takemasa, Toshihiko Torigoe
Colorectal carcinoma (CRC) is one of the most frequently diagnosed cancers and the leading cause of cancer-related death for both men and women. Recent studies have revealed that a small sub-population of cancer cells, termed cancer stem-like cells (CSCs)/cancer-initiating cells (CICs), are endowed with tumor-initiating ability, self-renewal ability and differentiation ability. CSCs/CICs are resistant to current therapies including chemotherapy and radiotherapy. Thus, CSCs/CICs are responsible for recurrence and metastasis, and eradication of CSCs/CICs is essential to cure cancer...
February 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28238763/structure-and-function-of-a-novel-atpase-that-interacts-with-holliday-junction-resolvase-hjc-and-promotes-branch-migration
#14
Binyuan Zhai, Kevin DuPrez, Tzanko I Doukov, Huan Li, Mengting Huang, Guijun Shang, Jinfeng Ni, Lichuan Gu, Yulong Shen, Li Fan
Holliday junction (HJ) is a hallmark intermediate in DNA recombination and must be processed by dissolution (for double HJ) or resolution to ensure genome stability. Although HJ resolvases have been identified in all domains of life, there is a long-standing effort to search in prokaryotes and eukarya for proteins promoting HJ migration. Here we report the structural and functional characterization of a novel ATPase, Sulfolobus islandicusPIN-domain containing ATPase (SisPINA), encoded by the gene adjacent to the resolvase Hjc coding gene...
February 23, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28238547/hallmarks-of-alzheimer-s-disease-in-stem-cell-derived-human-neurons-transplanted-into-mouse-brain
#15
Ira Espuny-Camacho, Amaia M Arranz, Mark Fiers, An Snellinx, Kunie Ando, Sebastian Munck, Jerome Bonnefont, Laurie Lambot, Nikky Corthout, Lorna Omodho, Elke Vanden Eynden, Enrico Radaelli, Ina Tesseur, Selina Wray, Andreas Ebneth, John Hardy, Karelle Leroy, Jean-Pierre Brion, Pierre Vanderhaeghen, Bart De Strooper
Human pluripotent stem cells (PSCs) provide a unique entry to study species-specific aspects of human disorders such as Alzheimer's disease (AD). However, in vitro culture of neurons deprives them of their natural environment. Here we transplanted human PSC-derived cortical neuronal precursors into the brain of a murine AD model. Human neurons differentiate and integrate into the brain, express 3R/4R Tau splice forms, show abnormal phosphorylation and conformational Tau changes, and undergo neurodegeneration...
February 15, 2017: Neuron
https://www.readbyqxmd.com/read/28238475/mesorhizobium-delmotii-and-mesorhizobium-prunaredense-are-two-new-species-containing-rhizobial-strains-within-the-symbiovar-anthyllidis
#16
Roba Mohamad, Anne Willems, Antoine Le Quéré, Géraldine Maynaud, Marjorie Pervent, Maurine Bonabaud, Emeric Dubois, Jean-Claude Cleyet-Marel, Brigitte Brunel
Eight mesorhizobial symbiotic strains isolated from Anthyllis vulneraria root-nodules were studied and compared taxonomically with defined Mesorhizobium species. All strains presented identical 16S rDNA sequences but can be differentiated by multilocus sequence analysis of housekeeping genes (recA, atpD, glnII and dnaK). Matrix-assisted laser desorption ionization-time-of-flight mass spectrometry analyses separate these strains in two groups and a separate strain. Levels of DNA-DNA relatedness were less than 55% between representative strains and their closest Mesorhizobium reference relatives...
February 12, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28238446/ctns-molecular-genetics-profile-in-a-persian-nephropathic-cystinosis-population
#17
Farideh Ghazi, Rozita Hosseini, Mansoureh Akouchekian, Shahram Teimourian, Zohreh Ataei Kachoei, Hassan Otukesh, William A Gahl, Babak Behnam
PURPOSE: In this report, we document the CTNS gene mutations of 28 Iranian patients with nephropathic cystinosis age 1-17 years. All presented initially with severe failure to thrive, polyuria, and polydipsia. METHODS: Cystinosis was primarily diagnosed by a pediatric nephrologist and then referred to the Iran University of Medical Sciences genetics clinic for consultation and molecular analysis, which involved polymerase chain reaction (PCR) amplification to determine the presence or absence of the 57-kb founder deletion in CTNS, followed by direct sequencing of the coding exons of CTNS...
February 23, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28238256/discovery-of-a-novel-nitric-oxide-binding-protein-and-nitric-oxide-responsive-signaling-pathway-in-pseudomonas-aeruginosa
#18
Sajjad Hossain, Elizabeth M Boon
Nitric oxide (NO) is a radical diatomic gas molecule that, at low concentrations, plays important signaling roles in both eukaryotes and bacteria. In recent years, it has become evident that bacteria respond to low levels of NO in order to modulate their group behavior. Many bacteria respond via NO ligation to a well-established NO sensor called H-NOX (heme-nitric oxide/oxygen binding domain). Many others, such as Pseudomonas aeruginosa, lack an annotated hnoX gene in their genome, yet are able to respond to low levels of NO to disperse their biofilms...
February 27, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28238213/extracellular-renalase-protects-cells-and-organs-by-outside-in-signalling
#19
REVIEW
Yang Wang, Robert Safirstein, Heino Velazquez, Xiao-Jia Guo, Lindsay Hollander, John Chang, Tian-Min Chen, Jian-Jun Mu, Gary V Desir
Renalase was discovered as a protein synthesized by the kidney and secreted in blood where it circulates at a concentration of approximately 3-5 μg/ml. Initial reports suggested that it functioned as an NAD(P)H oxidase and could oxidize catecholamines. Administration of renalase lowers blood pressure and heart rate and also protects cells and organs against ischaemic and toxic injury. Although renalase's protective effect was initially ascribed to its oxidase properties, a paradigm shift in our understanding of the cellular actions of renalase is underway...
February 26, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28238082/a-novel-bicistronic-expression-system-composed-of-the-intraflagellar-transport-protein-gene-ift25-and-fmdv-2a-sequence-directs-robust-nuclear-gene-expression-in-chlamydomonas-reinhardtii
#20
Bin Dong, He-He Hu, Zhen-Fang Li, Rong-Qiang Cheng, De-Mei Meng, Junping Wang, Zhen-Chuan Fan
Chlamydomonas reinhardtii offers a great promise for large-scale production of multiple recombinant proteins of pharmaceutical and industrial interest. However, the nuclear-encoding transgenes usually are expressed at a low level, which severely hampers the use of this alga in molecular farming. In this study, the promoter of the endogenous intraflagellar transport 25 (IFT25) gene of C. reinhardtii was tested for its ability to drive the expression of green fluorescent protein (GFP), which functions as a readout for target gene expression...
February 25, 2017: Applied Microbiology and Biotechnology
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