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https://www.readbyqxmd.com/read/28723948/integrative-functional-analyses-using-rainbow-trout-selected-for-tolerance-to-plant-diets-reveal-nutrigenomic-signatures-for-soy-utilization-without-the-concurrence-of-enteritis
#1
Jason Abernathy, Andreas Brezas, Kevin R Snekvik, Ronald W Hardy, Ken Overturf
Finding suitable alternative protein sources for diets of carnivorous fish species remains a major concern for sustainable aquaculture. Through genetic selection, we created a strain of rainbow trout that outperforms parental lines in utilizing an all-plant protein diet and does not develop enteritis in the distal intestine, as is typical with salmonids on long-term plant protein-based feeds. By incorporating this strain into functional analyses, we set out to determine which genes are critical to plant protein utilization in the absence of gut inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28723913/prebiotic-selection-for-motifs-in-a-model-of-template-free-elongation-of-polymers-within-compartments
#2
Grant Kinsler, Sam Sinai, Nicholas Keone Lee, Martin A Nowak
The transition from prelife where self-replication does not occur, to life which exhibits self-replication and evolution, has been a subject of interest for many decades. Membranes, forming compartments, seem to be a critical component of this transition as they provide several concurrent benefits. They maintain localized interactions, generate electro-chemical gradients, and help in selecting cooperative functions as they arise. These functions pave the way for the emergence and maintenance of simple metabolic cycles and polymers...
2017: PloS One
https://www.readbyqxmd.com/read/28722224/integrating-high-resolution-and-solid-state-magic-angle-spinning-nmr-spectroscopy-and-a-transcriptomic-analysis-of-soybean-tissues-in-response-to-water-deficiency
#3
Isabel D Coutinho, Tiago Bueno Moraes, Liliane Marcia Mertz-Henning, Alexandre Lima Nepomuceno, Willian Giordani, Juliana Marcolino-Gomes, Silvia Santagneli, Luiz Alberto Colnago
INTRODUCTION: Solid-state NMR (SSNMR) spectroscopy methods provide chemical environment and ultrastructural details that are not easily accessible by other non-destructive, high-resolution spectral techniques. High-resolution magic angle spinning (HR-MAS) has been widely used to obtain the metabolic profile of a heterogeneous sample, combining the resolution enhancement provided by MAS in SSNMR with the shimming and locking procedures in liquid-state NMR. OBJECTIVE: In this work, we explored the feasibility of using the HR-MAS and SSNMR techniques to identify metabolic changes in soybean leaves subjected to water-deficient conditions...
July 19, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28722145/dendrobium-nobile-lindl-alkaloids-regulate-metabolism-gene-expression-in-livers-of-mice
#4
Yun-Yan Xu, Ya-Sha Xu, Yuan Wang, Qin Wu, Yuan-Fu Lu, Jie Liu, Jing-Shan Shi
OBJECTIVES: In our previous studies, Dendrobium nobile Lindl. alkaloids (DNLA) has been shown to have glucose-lowering and antihyperlipidaemia effects in diabetic rats, in rats fed with high-fat diets, and in mice challenged with adrenaline. This study aimed to examine the effects of DNLA on the expression of glucose and lipid metabolism genes in livers of mice. METHODS: Mice were given DNLA at doses of 10-80 mg/kg, po for 8 days, and livers were removed for total RNA and protein isolation to perform real-time RT-PCR and Western blot analysis...
July 19, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28720878/comparison-of-dna-pma-and-rna-based-16s-rrna-illumina-sequencing-for-detection-of-live-bacteria-in-water
#5
Ru Li, Hein Min Tun, Musarrat Jahan, Zhengxiao Zhang, Ayush Kumar, Dilantha Fernando, Annemieke Farenhorst, Ehsan Khafipour
The limitation of 16S rRNA gene sequencing (DNA-based) for microbial community analyses in water is the inability to differentiate live (dormant cells as well as growing or non-growing metabolically active cells) and dead cells, which can lead to false positive results in the absence of live microbes. Propidium-monoazide (PMA) has been used to selectively remove DNA from dead cells during downstream sequencing process. In comparison, 16S rRNA sequencing (RNA-based) can target live microbial cells in water as both dormant and metabolically active cells produce rRNA...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720757/integrative-analyses-of-translatome-and-transcriptome-reveal-important-translational-controls-in-brown-and-white-adipose-regulated-by-micrornas
#6
David W Reid, Dan Xu, Peng Chen, Hongyuan Yang, Lei Sun
The epidemic of obesity and diabetes has markedly spurred the research interest in adipocyte biology. Brown adipocytes are specialized for energy expenditure and of therapeutic interest for treatment of metabolic diseases, but how brown adipocytes are distinguished from white adipocytes at the level of translational regulation remains poorly understood. To systemically determine the translational control of gene expression in adipose tissue, we performed ribosome profiling and RNA-seq in parallel to depict the translatome and transcriptome changes during primary brown and white adipogenesis, and between brown and white adipose tissue...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28718405/rna-binding-proteins-in-cancer-old-players-and-new-actors
#7
REVIEW
Bruno Pereira, Marc Billaud, Raquel Almeida
RNA-binding proteins (RBPs) are key players in post-transcriptional events. The combination of versatility of their RNA-binding domains with structural flexibility enables RBPs to control the metabolism of a large array of transcripts. Perturbations in RBP-RNA networks activity have been causally associated with cancer development, but the rational framework describing these contributions remains fragmented. We review here the evidence that RBPs modulate multiple cancer traits, emphasize their functional diversity, and assess future trends in the study of RBPs in cancer...
July 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28717649/circular-rna-profiling-and-bioinformatic-modeling-identify-its-regulatory-role-in-hepatic-steatosis
#8
Xing-Ya Guo, Chong-Xin He, Yu-Qin Wang, Chao Sun, Guang-Ming Li, Qing Su, Qin Pan, Jian-Gao Fan
Circular RNAs (circRNAs) exhibit a wide range of physiological and pathological activities. To uncover their role in hepatic steatosis, we investigated the expression profile of circRNAs in HepG2-based hepatic steatosis induced by high-fat stimulation. Differentially expressed circRNAs were subjected to validation using QPCR and functional analyses using principal component analysis, hierarchical clustering, target prediction, gene ontology (GO), and pathway annotation, respectively. Bioinformatic integration established the circRNA-miRNA-mRNA regulatory network so as to identify the mechanisms underlying circRNAs' metabolic effect...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28717189/cdk5-mediated-phosphorylation-of-xbp1s-contributes-to-its-nuclear-translocation-and-activation-in-mpp-induced-parkinson-s-disease-model
#9
Feng-Juan Jiao, Qing-Zhi Wang, Pei Zhang, Jian-Guo Yan, Zheng Zhang, Feng He, Qian Zhang, Ze-Xi Lv, Xiang Peng, Hong-Wei Cai, Bo Tian
Parkinson's disease (PD) is an irreversible and progressive neurodegenerative disorder characterized by the selective loss of dopaminergic neurons of the substantia nigra pars compacta. Growing evidence indicates that endoplasmic reticulum stress is a hallmark of PD; however, its exact contribution to the disease process remains poorly understood. Here, we used molecular biology methods and RNA-Seq analysis to explored an unexpected role of spliced X-Box binding protein 1 (XBP1s) in the nervous system. In this study, we determined that the IRE1α/XBP1 pathway is activated in MPP(+)-treated neurons...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717187/the-inducible-blockage-of-rnai-reveals-a-role-for-polyunsaturated-fatty-acids-in-the-regulation-of-dsrna-endocytic-capacity-in-bactrocera-dorsalis
#10
Xiaolong Dong, Xiaoxue Li, Qiujia Li, Hongmei Jia, Hongyu Zhang
Exogenous double-stranded RNA (dsRNA) can trigger gene silencing through the RNA interference (RNAi) pathway. Our previous research established that Bactrocera dorsalis can block RNAi after an initial priming of exposure to dsRNA. However, the mechanism underlying this phenomenon is not yet fully understood. Here, we demonstrate that fatty acid biosynthesis and metabolism pathways play important roles in the blockage of RNAi induced by dsRNA priming. The ratio of linoleic acid (LA) to arachidonic acid (AA) was significantly increased in the hemolymph of B...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717048/rna-seq-of-rice-yellow-stem-borer-scirpophaga-incertulas-reveals-molecular-insights-during-four-larval-developmental-stages
#11
Renuka P, Maganti S Madhav, Padmakumari A P, Kalyani M Barbadikar, Sathendra K Mangrauthia, Vijaya Sudhakara Rao K, Soma S Marla, Ravindra Babu V
The yellow stem borer (YSB), Scirpophaga incertulas is a prominent pest in the rice cultivation causing serious yield losses. The larval stage is an important stage in YSB, responsible for maximum infestation. However, limited knowledge exists on biology and mechanisms underlying growth and differentiation of YSB. To understand and identify the genes involved in YSB development and infestation, so as to design pest control strategies, we performed de novo transcriptome at 1(st), 3(rd), 5(th) and 7(th) larval developmental stages employing Illumina Hi-seq...
July 17, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28716651/significance-of-a-to-i-rna-editing-of-transcripts-modulating-pharmacokinetics-and-pharmacodynamics
#12
REVIEW
Masataka Nakano, Miki Nakajima
RNA editing is a post-transcriptional process that alters the nucleotide sequence of RNA transcripts to generate transcriptome diversity. Among the various types of RNA editing, adenosine-to-inosine (A-to-I) RNA editing is the most frequent type of RNA editing in mammals. Adenosine deaminases acting on RNA (ADAR) enzymes, ADAR1 and ADAR2, convert adenosines in double-stranded RNA structures into inosines by hydrolytic deamination. Inosine forms a base pair with cytidine as if it were guanosine; therefore, the conversion may affect the amino acid sequence, splicing, microRNA targeting, and miRNA maturation...
July 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28716407/overexpression-of-lsi1-in-cold-sensitive-rice-mediates-transcriptional-regulatory-networks-and-enhances-resistance-to-chilling-stress
#13
Changxun Fang, Pengli Zhang, Xin Jian, Weisi Chen, Hongmei Lin, Yingzhe Li, Wenxiong Lin
Frequent cold spells in late spring can damage early rice seedlings. However, overexpression of the silicon-uptake gene Lsi1 (Lsi1-OX) in cold-sensitive rice (Oryza sativa L., accession: Dular) notably enhances its chilling resistance. In this study, we found that continual chilling led to chlorophyll and RNA degradation in wild-type Dular leaves, whereas leaves from a Lsi1-OX line exhibited no obvious changes. A comparison of the global mRNA expression between the two rice lines showed that genes encoding photosynthesis-antenna proteins were downregulated and those encoding the proteasome were upregulated in the wild-type organism...
September 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28715466/the-antenna-transcriptome-changes-in-mosquito-anopheles-sinensis-pre-and-post-blood-meal
#14
Qian Chen, Di Pei, Jianyong Li, Chengyu Jing, Wenjian Wu, Yahui Man
Antenna is the main chemosensory organ in mosquitoes. Characterization of the transcriptional changes after blood meal, especially those related to chemoreception, may help to explain mosquito blood sucking behavior and to identify novel targets for mosquito control. Anopheles sinensis is an Asiatic mosquito species which transmits malaria and lymphatic filariasis. However, studies on chemosensory biology in female An. sinensis are quite lacking. Here we report a transcriptome analysis of An. sinensis female antennae pre- and post- blood meal...
2017: PloS One
https://www.readbyqxmd.com/read/28713996/downregulation-of-aqp2-in-the-anterior-vaginal-wall-is-associated-with-the-pathogenesis-of-female-stress-urinary-incontinence
#15
Zujuan Zhang, Pan Xu, Zhenwei Xie, Fengxian Shen, Ning Chen, Liming Yu, Ronghuan He
The pathogenesis of stress urinary incontinence (SUI) is unclear. Aquaporins (AQPs) are a family of transmembrane proteins that transport water and small solutes, including glycerol, across cell membranes. AQPs have been demonstrated to serve a role in skin hydration, cellular proliferation, migration, immunity, wound healing and vascular remodeling in multiple organs. Furthermore, studies have confirmed that abnormal synthesis and degradation of collagens in extracellular matrix (ECM) remodeling contributes to SUI, by altering normal tissue architecture and mechanical properties...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713971/systematic-analysis-of-lncrnas-mirnas-and-mrnas-for-the-identification-of-biomarkers-for-osteoporosis-in-the-mandible-of-ovariectomized-mice
#16
Lingyu Hao, Jiayao Fu, Yawen Tian, Junhua Wu
Osteoporosis is a complex and multifactorial disease caused by an imbalance between bone formation and resorption. Post‑menopausal women with endogenous estrogen deficiency suffer from systemic bone loss and osteoporosis, and are at high risk of this affecting the jaw bones. MicroRNAs (miRNAs or miRs) have been implicated in the mechanisms of metabolic bone diseases and are expressed at differential levels in alveolar bone following ovariectomy. In the present study, we systematically analyzed the expression profiles of miRNAs, mRNAs and long non‑coding RNA (lncRNAs) in the mandible of ovariectomized (OVX) mice...
July 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713413/identification-of-conserved-and-novel-micrornas-in-blueberry
#17
Junyang Yue, Xiaohui Lu, Huan Zhang, Jiao Ge, Xueling Gao, Yongsheng Liu
MicroRNAs (miRNAs) are a class of small endogenous RNAs that play important regulatory roles in cells by negatively affecting gene expression at both transcriptional and post-transcriptional levels. There have been extensive studies aiming to identify miRNAs and to elucidate their functions in various plant species. In the present study, we employed the high-throughput sequencing technology to profile miRNAs in blueberry fruits. A total of 9,992,446 small RNA tags with sizes ranged from 18 to 30 nt were obtained, indicating that blueberry fruits have a large and diverse small RNA population...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28713408/transcriptome-analyses-shed-new-insights-into-primary-metabolism-and-regulation-of-blumeria-graminis-f-sp-tritici-during-conidiation
#18
Fan-Song Zeng, Fabrizio Menardo, Min-Feng Xue, Xue-Jiang Zhang, Shuang-Jun Gong, Li-Jun Yang, Wen-Qi Shi, Da-Zhao Yu
Conidia of the obligate biotrophic fungal pathogen Blumeria graminis f. sp. tritici (Bgt) play a vital role in its survival and rapid dispersal. However, little is known about the genetic basis for its asexual reproduction. To uncover the primary metabolic and regulatory events during conidiation, we sequenced the transcriptome of Bgt epiphytic structures at 3 (vegetative hyphae growth), 4 (foot cells initiation), and 5 (conidiophore erection) days post-inoculation (dpi). RNA-seq analyses identified 556 and 404 (combined 685) differentially expressed genes (DEGs) at 4 and 5 dpi compared with their expression levels at 3 dpi, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28712872/suppression-of-cd36-attenuates-adipogenesis-with-a-reduction-of-p2x7-expression-in-3t3-l1-cells
#19
Huanqing Gao, Danyang Li, Ping Yang, Lei Zhao, Li Wei, Yaxi Chen, Xiong Z Ruan
Adipogenesis is a process of differentiation from preadipocyte into adipocyte, and is regulated by several transcription factors, including the peroxisome proliferator-activated receptor gamma (PPARγ) and the CCAAT-enhancer-binding protein alpha (C/EBPα). CD36 is a membrane protein which contributes to the metabolic disorders such as obesity. Although the previous study demonstrated CD36 participated in the progression of adipogenesis, the mechanism is still unclear. We report here that knockdown of CD36 expression by CD36 small interfering RNA (siRNA) resulted in a reduction of adipocyte differentiation and adipogenic protein expression...
July 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28711856/rnaseq-based-transcriptome-comparison-of-saccharomyces-cerevisiae-strains-isolated-from-diverse-fermentative-environments
#20
Clara Ibáñez, Roberto Pérez-Torrado, Miguel Morard, Christina Toft, Eladio Barrio, Amparo Querol
Transcriptome analyses play a central role in unraveling the complexity of gene expression regulation in Saccharomyces cerevisiae. This species, one of the most important microorganisms for humans given its industrial applications, shows an astonishing degree of genetic and phenotypic variability among different strains adapted to specific environments. In order to gain novel insights into the Saccharomyces cerevisiae biology of strains adapted to different fermentative environments, we analyzed the whole transcriptome of three strains isolated from wine, flor wine or mezcal fermentations...
July 6, 2017: International Journal of Food Microbiology
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