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https://www.readbyqxmd.com/read/28098220/comparative-transcriptome-analysis-of-raccoon-dog-skin-to-determine-melanin-content-in-hair-and-melanin-distribution-in-skin
#1
Zhanyu Du, Kai Huang, Jiaping Zhao, Xingchao Song, Xiumei Xing, Qiong Wu, Linbo Zhang, Chao Xu
The raccoon dog (Nyctereutes procyonoides) is an important canid fur-bearing animal species worldwide. Chinese raccoon dogs that present a white mutation, especially those with a white coat. Exploring melanin biosynthesis in the hair and skin of raccoon dogs is important for understanding the survival and evolutionary mechanisms of them. In this study, we measured the content of melanin in the hair of two types of raccoon dog and generated stained slices of skin tissue. The results indicated that melanin biosynthesis occurs in the wild-type (W) and white-type (B) raccoon dog skin, although less melanin is produced in B skin...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28095782/genome-scale-transcriptional-study-of-hybrid-effects-and-regulatory-divergence-in-an-f1-hybrid-ruellia-wild-petunias-acanthaceae-and-its-parents
#2
Yongbin Zhuang, Erin A Tripp
BACKGROUND: New combinations of divergent genomes can give rise to novel genetic functions in resulting hybrid progeny. Such functions may yield opportunities for ecological divergence, contributing ultimately to reproductive isolation and evolutionary longevity of nascent hybrid lineages. In plants, the degree to which transgressive genotypes contribute to floral novelty remains a question of key interest. Here, we generated an F1 hybrid plant between the red-flowered Ruellia elegans and yellow flowered R...
January 17, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28095660/draft-genome-of-toxocara-canis-a-pathogen-responsible-for-visceral-larva-migrans
#3
Jinhwa Kong, Jungim Won, Jeehee Yoon, UnJoo Lee, Jong-Il Kim, Sun Huh
This study aimed at constructing a draft genome of the adult female worm Toxocara canis using next-generation sequencing (NGS) and de novo assembly, as well as to find new genes after annotation using functional genomics tools. Using an NGS machine, we produced DNA read data of T. canis. The de novo assembly of the read data was performed using SOAPdenovo. RNA read data were assembled using Trinity. Structural annotation, homology search, functional annotation, classification of protein domains, and KEGG pathway analysis were carried out...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28095348/immune-transcriptome-reveals-the-mincle-c-type-lectin-receptor-acts-as-a-partial-replacement-for-tlr4-in-lipopolysaccharide-mediated-inflammatory-response-in-barramundi-lates-calcarifer
#4
Emmanuelle Zoccola, Stuart Kellie, Andrew C Barnes
Fish represent the most diverse and abundant extant vertebrate infraclass. They are also one of the earliest divergent phyla with adaptive immunity based on antigen recognition by MHC and immunoglobulin. The aquaculture industry, which currently provides more than half of the fish for human consumption globally, has successfully exploited the adaptive immune system of fish through mass vaccination programs. However, vaccination against highly diverse antigens, mostly carbohydrates, such as capsular polysaccharides and lipopolysaccharide (LPS) is challenging...
January 14, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28094307/a-transcriptome-analysis-focusing-on-inflammation-related-genes-of-grass-carp-intestines-following-infection-with-aeromonas-hydrophila
#5
Xuehong Song, Xiaolong Hu, Bingyao Sun, Yunxuan Bo, Kang Wu, Lanying Xiao, Chengliang Gong
Inflammation is a protective response that is implicated in bacterial enteritis and other fish diseases. The inflammatory mechanisms behind Aeromonas hydrophila infections in fish remain poorly understood. In this study, we performed a de novo grass carp transcriptome assembly using Illumina's Solexa sequencing technique. On this basis we carried out a comparative analysis of intestinal transcriptomes from A. hydrophila-challenged and physiological saline solution (PSS/mock) -challenged fish, and 315 genes were up-regulated and 234 were down-regulated in the intestines infected with A...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094274/folivory-elicits-a-strong-defense-reaction-in-catharanthus-roseus-metabolomic-and-transcriptomic-analyses-reveal-distinct-local-and-systemic-responses
#6
Thomas Dugé de Bernonville, Inês Carqueijeiro, Arnaud Lanoue, Florent Lafontaine, Paloma Sánchez Bel, Franziska Liesecke, Karine Musset, Audrey Oudin, Gaëlle Glévarec, Olivier Pichon, Sébastien Besseau, Marc Clastre, Benoit St-Pierre, Victor Flors, Stéphane Maury, Elisabeth Huguet, Sarah E O'Connor, Vincent Courdavault
Plants deploy distinct secondary metabolisms to cope with environment pressure and to face bio-aggressors notably through the production of biologically active alkaloids. This metabolism-type is particularly elaborated in Catharanthus roseus that synthesizes more than a hundred different monoterpene indole alkaloids (MIAs). While the characterization of their biosynthetic pathway now reaches completion, still little is known about the role of MIAs during biotic attacks. As a consequence, we developed a new plant/herbivore interaction system by challenging C...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094170/common-developmental-genome-deprogramming-in-schizophrenia-role-of-integrative-nuclear-fgfr1-signaling-infs
#7
S T Narla, Y-W Lee, C A Benson, P Sarder, K J Brennand, E K Stachowiak, M K Stachowiak
The watershed-hypothesis of schizophrenia asserts that over 200 different mutations dysregulate distinct pathways that converge on an unspecified common mechanism(s) that controls disease ontogeny. Consistent with this hypothesis, our RNA-sequencing of neuron committed cells (NCCs) differentiated from established iPSCs of 4 schizophrenia patients and 4 control subjects uncovered a dysregulated transcriptome of 1349 mRNAs common to all patients. Data reveals a global dysregulation of developmental genome, deconstruction of coordinated mRNA networks, and the formation of aberrant, new coordinated mRNA networks indicating a concerted action of the responsible factor(s)...
January 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28094016/a-single-cell-roadmap-of-lineage-bifurcation-in-human-esc-models-of-embryonic-brain-development
#8
Zizhen Yao, John K Mich, Sherman Ku, Vilas Menon, Anne-Rachel Krostag, Refugio A Martinez, Leon Furchtgott, Heather Mulholland, Susan Bort, Margaret A Fuqua, Ben W Gregor, Rebecca D Hodge, Anu Jayabalu, Ryan C May, Samuel Melton, Angelique M Nelson, N Kiet Ngo, Nadiya V Shapovalova, Soraya I Shehata, Michael W Smith, Leah J Tait, Carol L Thompson, Elliot R Thomsen, Chaoyang Ye, Ian A Glass, Ajamete Kaykas, Shuyuan Yao, John W Phillips, Joshua S Grimley, Boaz P Levi, Yanling Wang, Sharad Ramanathan
During human brain development, multiple signaling pathways generate diverse cell types with varied regional identities. Here, we integrate single-cell RNA sequencing and clonal analyses to reveal lineage trees and molecular signals underlying early forebrain and mid/hindbrain cell differentiation from human embryonic stem cells (hESCs). Clustering single-cell transcriptomic data identified 41 distinct populations of progenitor, neuronal, and non-neural cells across our differentiation time course. Comparisons with primary mouse and human gene expression data demonstrated rostral and caudal progenitor and neuronal identities from early brain development...
January 5, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28092620/correlation-between-peripheral-blood-cell-transcriptomic-profile-and-clinical-parameters-of-chronic-mitral-valve-disease-in-dachshunds
#9
M Garncarz, M Hulanicka, H Maciejewski, M Parzeniecka-Jaworska, M Jank
Studies identifying specific pathologically expressed genes have been performed on diseased myocardial tissue samples, however less invasive studies on gene expression of peripheral blood mononucleated cells give promising results. This study assessed transcriptomic data that may be used to evaluate Dachshunds with chronic mitral valve disease. Dachshunds with different stages of heart disease were compared to a control, healthy group. Microarray data analysis revealed clusters of patients with similar expression profiles...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28091614/transcriptomic-basis-for-drought-resistance-in-brassica-napus-l
#10
Pei Wang, Cuiling Yang, Hao Chen, Chunpeng Song, Xiao Zhang, Daojie Wang
Based on transcriptomic data from four experimental settings with drought-resistant and drought-sensitive cultivars under drought and well-watered conditions, statistical analysis revealed three categories encompassing 169 highly differentially expressed genes (DEGs) in response to drought in Brassica napus L., including 37 drought-resistant cultivar-related genes, 35 drought-sensitive cultivar-related genes and 97 cultivar non-specific ones. We provide evidence that the identified DEGs were fairly uniformly distributed on different chromosomes and their expression patterns are variety specific...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090760/expression-patterns-of-cardiac-aging-in-drosophila
#11
Leah Cannon, Alexander C Zambon, Anthony Cammarato, Zhi Zhang, Georg Vogler, Matthew Munoz, Erika Taylor, Jérôme Cartry, Sanford I Bernstein, Simon Melov, Rolf Bodmer
Aging causes cardiac dysfunction, often leading to heart failure and death. The molecular basis of age-associated changes in cardiac structure and function is largely unknown. The fruit fly, Drosophila melanogaster, is well-suited to investigate the genetics of cardiac aging. Flies age rapidly over the course of weeks, benefit from many tools to easily manipulate their genome, and their heart has significant genetic and phenotypic similarities to the human heart. Here, we performed a cardiac-specific gene expression study on aging Drosophila and carried out a comparative meta-analysis with published rodent data...
February 2017: Aging Cell
https://www.readbyqxmd.com/read/28089951/bzr1-positively-regulates-freezing-tolerance-via-cbf-dependent-and-cbf-independent-pathways-in-arabidopsis
#12
Hui Li, Keyi Ye, Yiting Shi, Jinkui Cheng, Xiaoyan Zhang, Shuhua Yang
Cold stress is a major environmental factor that adversely affects plant growth and development. The C-repeat Binding Factor/DRE Binding Factor 1 (CBF/DREB1) transcriptional regulatory cascade has been shown to play important roles in plant response to cold. Here we demonstrate that two key components of BR signaling modulate freezing tolerance of plants. The loss-of-function mutant of the GSK3-like kinases involved in BR signaling, bin2-3 bil1 bil2, showed increased freezing tolerance, whereas overexpression of BIN2 resulted in hypersensitivity to freezing stress under both non-acclimated and acclimated conditions...
January 13, 2017: Molecular Plant
https://www.readbyqxmd.com/read/28089430/high-variability-of-expression-profiles-of-homeologous-genes-for-wnt-hh-notch-and-hippo-signaling-pathways-in-xenopus-laevis
#13
Tatsuo Michiue, Takayoshi Yamamoto, Yuuri Yasuoka, Toshiyasu Goto, Takafumi Ikeda, Kei Nagura, Takuya Nakayama, Masanori Taira, Tsutomu Kinoshita
Cell signaling pathways, such as Wnt, Hedgehog (Hh), Notch, and Hippo, are essential for embryogenesis, organogenesis, and tissue homeostasis. In this study, we analyzed 415 genes involved in these pathways in the allotetraploid frog, Xenopus laevis. Most genes are retained in two subgenomes called L and S (193 homeologous gene pairs and 29 singletons). This conservation rate of homeologs is much higher than that of all genes in the X. laevis genome (86.9% vs 60.2%). Among singletons, 24 genes are retained in the L subgenome, a rate similar to the average for all genes (82...
January 12, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28087837/off-target-effects-of-neuroleptics-and-antidepressants-on-saccharomyces-cerevisiae
#14
M Caldara, S Graziano, M Gullì, S Cadonici, Nelson Marmiroli
Over the past years, the use of antidepressants and neuroleptics has steadily increased. Although incredibly useful to treat disorders like depression, schizophrenia, epilepsy, or mental retardation, these drugs display many side effects. Toxicogenomic studies aim to limit this problem by trying to identify cellular targets and off-targets of medical compounds. The baker yeast Saccharomyces cerevisiae has been shown to be a key player in this approach, as it represents an incredible toolbox for the dissection of complex biological processes...
January 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28087761/proteomics-technologies-and-their-applications
#15
REVIEW
Bilal Aslam, Madiha Basit, Muhammad Atif Nisar, Mohsin Khurshid, Muhammad Hidayat Rasool
Proteomics involves the applications of technologies for the identification and quantification of overall proteins present content of a cell, tissue or an organism. It supplements the other "omics" technologies such as genomic and transcriptomics to expound the identity of proteins of an organism, and to cognize the structure and functions of a particular protein. Proteomics-based technologies are utilized in various capacities for different research settings such as detection of various diagnostic markers, candidates for vaccine production, understanding pathogenicity mechanisms, alteration of expression patterns in response to different signals and interpretation of functional protein pathways in different diseases...
February 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28087686/amoebozoans-are-secretly-but-ancestrally-sexual-evidence-for-sex-genes-and-potential-novel-crossover-pathways-in-diverse-groups-of-amoebae
#16
Yonas I Tekle, Fiona C Wood, Laura A Katz, Mario A Cerón-Romero, Lydia A Gorfu
Sex is beneficial in eukaryotes as it can increase genetic diversity, reshuffle their genomes, and purge deleterious mutations. Yet, its evolution remains a mystery. The eukaryotic clade supergroup Amoebozoa encompasses diverse lineages of polymorphic amoeboid forms, including both free-living and parasitic lineages. The group is generally believed to be asexual, though recent studies show that some of its members are implicated in cryptic forms of sexual cycles. In this study we conduct a comprehensive inventory and analysis of genes involved in meiosis and related processes, in order to investigate the evolutionary history of sex in the clade...
January 13, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28087653/identification-of-regulatory-networks-and-hub-genes-controlling-soybean-seed-set-and-size-using-rna-sequencing-analysis
#17
Juan Du, Shoudong Wang, Cunman He, Bin Zhou, Yong-Ling Ruan, Huixia Shou
To understand the gene expression networks controlling soybean seed set and size, transcriptome analyses were performed in three early seed developmental stages, using two genotypes with contrasting seed size. The two-dimensional data set provides a comprehensive and systems-level view on dynamic gene expression networks underpinning soybean seed set and subsequent development. Using pairwise comparisons and weighted gene coexpression network analyses, we identified modules of coexpressed genes and hub genes for each module...
January 13, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28087642/stxbp4-drives-tumor-growth-and-is-associated-with-poor-prognosis-through-pdgf-receptor-signaling-in-lung-squamous-cell-carcinoma
#18
Yukihiro Otaka, Susumu Rokudai, Kyoichi Kaira, Michiru Fujieda, Ikuko Horikoshi, Reika Kawabata, Shinji Yoshiyama, Takehiko Yokobori, Yoichi Ohtaki, Kimihiro Shimizu, Tetsunari Oyama, Jun'ichi Tamura, Carol Prives, Masahiko Nishiyama
PURPOSE: Expression of the ΔN isoform of p63 (ΔNp63) is a diagnostic marker highly specific for lung squamous cell carcinoma (SCC). We previously found that Syntaxin Binding Protein 4 (STXBP4) regulates ΔNp63 ubiquitination, suggesting that STXBP4 may also be a SCC biomarker. To address this issue, we investigated the role of STXBP4 expression in SCC biology and the impact of STXBP4 expression on SCC prognosis. EXPERIMENTAL DESIGN: We carried out a clinicopathological analysis of STXBP4 expression in 87 lung SCC patients...
January 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28087597/membrane-depolarizing-channel-blockers-induce-selective-glioma-cell-death-by-impairing-nutrient-transport-and-unfolded-protein-amino-acid-responses
#19
Mia Niklasson, Gianluca Maddalo, Zuzana Sramkova, Ercan Mutlu, Shimei Wee, Petra Sekyrova, Linnéa Schmidt, Nicolas Fritz, Ivar Dehnisch, Gregorios Kyriatzis, Michaela Krafcikova, Brittany B Carson, Jennifer Feenstra, Voichita D Marinescu, Anna Segerman, Martin Haraldsson, Anna-Lena Gustavsson, Lars Gj Hammarström, Annika Jenmalm-Jensen, Lene Uhrbom, A F Maarten Altelaar, Sten Linnarsson, Per Uhlén, Lukas Trantirek, C Theresa Vincent, Sven Nelander, Per Øyvind Enger, Michael Andäng
Glioma-initiating cells (GIC) are considered the underlying cause of recurrences of aggressive glioblastomas, replenishing the tumor population and undermining the efficacy of conventional chemotherapy. Here we report the discovery that inhibiting T-type voltage-gated Ca2+ and KCa channels can effectively induce selective cell death of GIC and increase host survival in an orthotopic mouse model of human glioma. At present, the precise cellular pathways affected by the drugs affecting these channels are unknown...
January 13, 2017: Cancer Research
https://www.readbyqxmd.com/read/28086922/transcriptional-profiles-in-bursal-b-lymphoid-dt40-cells-infected-with-very-virulent-infectious-bursal-disease-virus
#20
Rong Quan, Shanshan Zhu, Li Wei, Jing Wang, Xu Yan, Zixuan Li, Jue Liu
BACKGROUND: Infectious bursal disease virus (IBDV) causes a highly contagious, immunosuppressive disease in chickens. The virus mainly infects immature B lymphocytes in the bursa of Fabricius (BF). Chicken B cell line DT40, an avian leukosis virus-induced B cell line, supports very virulent IBDV (vvIBDV) infection in vitro and thereby serves as a good model for investigating the infection and pathogenesis of this virus. However, a transcriptome-wide understanding of the interaction between vvIBDV and B cells has not yet been achieved...
January 13, 2017: Virology Journal
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