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https://www.readbyqxmd.com/read/28527118/transcriptome-analysis-of-spodoptera-frugiperda-9-sf9-cells-infected-with-baculovirus-acmnpv-or-acmnpv-bmk-it
#1
Lili Wei, Leixi Cao, Yanyan Miao, Shuju Wu, Shumei Xu, Ruisheng Wang, Jun Du, Aihua Liang, Yuejun Fu
OBJECTIVES: To analyze the transcriptome of Spodoptera frugiperda 9 (Sf9) cells infected with AcMNPV or AcMNPV-BmK IT. RESULTS: A comprehensive transcriptome profile for Sf9 cells infected with AcMNPV or AcMNPV-BmK IT is shown. 43127572, 46529744 and 47235310 RNA-Seq profiles permitted the quantification of expression levels for control (C), AcMNPV-BmK IT treatment (ABT) and AcMNPV treatment (AT) groups. There were 997 up-regulated or down-regulated candidate genes with significant different expression level in these treatment groups...
May 19, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28527113/mutant-p53-promotes-cell-spreading-and-migration-via-arhgap44
#2
Jinjin Xu, Jian Jiao, Wei Xu, Lei Ji, Dongjie Jiang, Shaofang Xie, Syeda Kubra, Xiaotao Li, Junjiang Fu, Jianru Xiao, Bianhong Zhang
The tumor suppressor p53 protein is either lost or mutated in about half of all human cancers. Loss of p53 function is well known to influence cell spreading, migration and invasion. While expression of mutant p53 is not equivalent to p53 loss, mutant p53 can acquire new functions to drive cell spreading and migration via different mechanisms. In our study, we found that mutant p53 significantly increased cell spreading and migration when comparing with p53-null cells. RNA-Seq analysis suggested that Rho GTPase activating protein 44 (ARHGAP44) is a new target of mutant p53, which suppressed ARHGAP44 transcription...
May 16, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28526809/tumor-cell-specific-aim2-regulates-growth-and-invasion-of-cutaneous-squamous-cell-carcinoma
#3
Mehdi Farshchian, Liisa Nissinen, Elina Siljamäki, Pilvi Riihilä, Minna Piipponen, Atte Kivisaari, Markku Kallajoki, Reidar Grénman, Juha Peltonen, Sirkku Peltonen, Koen D Quint, Jan Nico Bouwes Bavinck, Veli-Matti Kähäri
Cutaneous squamous cell carcinoma (cSCC) is the most common metastatic skin cancer. Inflammation is a typical feature in cSCC progression. Analysis of the expression of inflammasome components in cSCC cell lines and normal human epidermal keratinocytes revealed upregulation of the expression of AIM2 mRNA and protein in cSCC cells. Elevated levels of AIM2 mRNA were noted in cSCCs in vivo compared with normal skin. Strong and moderate tumor cell specific expression of AIM2 was detected with immunohistochemistry (IHC) in sporadic human cSCCs in vivo, whereas expression of AIM2 was moderate in cSCC in situ (cSCCIS) and low or absent in actinic keratosis (AK) and normal skin...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28526785/effects-of-arginine-on-growth-virulence-gene-expression-and-stress-tolerance-by-streptococcus-mutans
#4
Brinta Chakraborty, Robert A Burne
Streptococcus mutans is a common constituent of oral biofilms and a primary etiologic agent of human dental caries. The bacteria associated with dental caries have a potent ability to produce organic acids from dietary carbohydrates and to grow and metabolize in acidic conditions. In contrast, many commensal bacteria produce ammonia through the arginine deiminase system (ADS), which moderates the pH of oral biofilms. Arginine metabolism by the ADS is a significant deterrent to the initiation and progression of dental caries...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28526714/constans-imparts-dna-sequence-specificity-to-the-histone-fold-nf-yb-nf-yc-dimer
#5
Nerina Gnesutta, Roderick W Kumimoto, Swadhin Swain, Matteo Chiara, Chamindika Siriwardana, David Stephen Horner, Ben F Holt, Roberto Mantovani
NF-Y is a heterotrimeric transcription factor that binds CCAAT elements. The NF-Y trimer is composed of a Histone Fold Domain (HFD) dimer (NF-YB/NF-YC) and NF-YA, which confers DNA sequence-specificity. NF-YA shares a conserved domain with the CCT (CONSTANS, CONSTANS-LIKE, TOC1) proteins. We show that CONSTANS (CO/BBX1), a master flowering regulator, forms a trimer with Arabidopsis NF-YB2/NF-YC3 to efficiently bind the CORE element of the FT promoter. We term this complex NF-CO. Using saturation mutagenesis EMSAs and RNA-Seq profiling of co, nf-yb, and nf-yc mutants, we identify CCACA elements as the core NF-CO binding site...
May 19, 2017: Plant Cell
https://www.readbyqxmd.com/read/28526608/microrna-analysis-of-taenia-crassiceps-cysticerci-under-praziquantel-treatment-and-genome-wide-identification-of-taenia-solium-mirnas
#6
Matías Gastón Pérez, Natalia Macchiaroli, Gabriel Lichtenstein, Gabriela Conti, Sebastián Asurmendi, Diego Humberto Milone, Georgina Stegmayer, Laura Kamenetzky, Marcela Cucher, Mara Cecilia Rosenzvit
MicroRNAs (miRNAs) are small non-coding RNAs that have emerged as important regulators of gene expression and perform critical functions in development and disease. In spite of the increased interest in miRNAs from helminth parasites, no information is available on miRNAs from Taenia solium, the causative agent of cysticercosis, a neglected disease affecting millions of people worldwide. Here we performed a comprehensive analysis of miRNAs from Taenia crassiceps, a laboratory model for T. solium studies, and identified miRNAs in the T...
May 16, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28526588/adam10-and-%C3%AE-secretase-regulate-sensory-regeneration-in-the-avian-vestibular-organs
#7
Mark E Warchol, Jennifer Stone, Matthew Barton, Jeffrey Ku, Rose Veile, Nicolas Daudet, Michael Lovett
The loss of sensory hair cells from the inner ear is a leading cause of hearing and balance disorders. The mammalian ear has a very limited ability to replace lost hair cells, but the inner ears of non-mammalian vertebrates can spontaneously regenerate hair cells after injury. Prior studies have shown that replacement hair cells are derived from epithelial supporting cells and that the differentiation of new hair cells is regulated by the Notch signaling pathway. The present study examined molecular influences on regeneration in the avian utricle, which has a particularly robust regenerative ability...
May 16, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28526029/cell-fixation-and-preservation-for-droplet-based-single-cell-transcriptomics
#8
Jonathan Alles, Nikos Karaiskos, Samantha D Praktiknjo, Stefanie Grosswendt, Philipp Wahle, Pierre-Louis Ruffault, Salah Ayoub, Luisa Schreyer, Anastasiya Boltengagen, Carmen Birchmeier, Robert Zinzen, Christine Kocks, Nikolaus Rajewsky
BACKGROUND: Recent developments in droplet-based microfluidics allow the transcriptional profiling of thousands of individual cells in a quantitative, highly parallel and cost-effective way. A critical, often limiting step is the preparation of cells in an unperturbed state, not altered by stress or ageing. Other challenges are rare cells that need to be collected over several days or samples prepared at different times or locations. METHODS: Here, we used chemical fixation to address these problems...
May 19, 2017: BMC Biology
https://www.readbyqxmd.com/read/28525837/differentially-expressed-jak-stat-signaling-pathway-genes-and-target-micrornas-in-the-spleen-of-necrotic-enteritis-afflicted-chicken-lines
#9
Anh Duc Truong, Deivendran Rengaraj, Yeojin Hong, Cong Thanh Hoang, Yeong Ho Hong, Hyun S Lillehoj
The JAK signal transducer and STAT signaling pathway is an important regulator of cell proliferation, differentiation, survival, motility, apoptosis, immune response, and development. In this study, we used RNA-Sequencing, qRT-PCR, and bioinformatics tools to investigate the differential expression of JAK-STAT pathway genes, their interactions, and regulators in the spleen of two genetically disparate chicken lines (Marek's disease-resistant line 6.3 and MD-susceptible line 7.2) induced necrotic enteritis (NE) disease by co-infection with Eimeria maxima and Clostridium perfringens...
May 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28525556/transcriptome-of-the-gsh-depleted-lens-reveals-changes-in-detoxification-and-emt-signaling-genes-transport-systems-and-lipid-homeostasis
#10
Jeremy A Whitson, Xiang Zhang, Mario Medvedovic, Jenny Chen, Zongbo Wei, Vincent M Monnier, Xingjun Fan
Purpose: To understand the effects of glutathione (GSH)-deficiency on genetic processes that regulate lens homeostasis and prevent cataractogenesis. Methods: The transcriptome of lens epithelia and fiber cells was obtained from C57BL/6 LEGSKO (lens GSH-synthesis knockout) and buthionine sulfoximine (BSO)-treated LEGSKO mice and compared to C57BL/6 wild-type mice using RNA-Seq. Transcriptomic data were confirmed by qPCR and Western blot/ELISA on a subset of genes...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28524856/histone-variant-h3-3-orchestrates-neural-stem-cell-differentiation-in-the-developing-brain
#11
Wenlong Xia, Jianwei Jiao
During the brain development, the process of neural stem cells (NSCs) proliferation and differentiation is precisely regulated. The deficiency in the embryonic brain development will cause serious developmental disorders. Epigenetic modifications play critical roles in controlling proliferation and differentiation in different types of stem cells. Histone variants, as one of epigenetic regulators, have been reported to be associated with many bioprocesses. Among different variants, H3.3 is one of the important epigenetic regulators, but its role in embryonic NSCs remains unclear...
May 19, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28524177/role-of-carbonic-anhydrases-in-skin-wound-healing
#12
Harlan Barker, Marleena Aaltonen, Peiwen Pan, Maria Vähätupa, Pirkka Kaipiainen, Ulrike May, Stuart Prince, Hannele Uusitalo-Järvinen, Abdul Waheed, Silvia Pastoreková, William S Sly, Seppo Parkkila, Tero Ah Järvinen
Skin wound closure occurs when keratinocytes migrate from the edge of the wound and re-epithelialize the epidermis. Their migration takes place primarily before any vascularization is established, that is, under hypoxia, but relatively little is known regarding the factors that stimulate this migration. Hypoxia and an acidic environment are well-established stimuli for cancer cell migration. The carbonic anhydrases (CAs) contribute to tumor cell migration by generating an acidic environment through the conversion of carbon dioxide to bicarbonate and a proton...
May 19, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28523007/transcriptomic-identification-of-drought-related-genes-and-ssr-markers-in-sudan-grass-based-on-rna-seq
#13
Yongqun Zhu, Xia Wang, Linkai Huang, Chaowen Lin, Xinquan Zhang, Wenzhi Xu, Jianhua Peng, Zhou Li, Haidong Yan, Fuxiang Luo, Xie Wang, Li Yao, Dandan Peng
Sudan grass (Sorghum sudanense) is an annual warm-season gramineous forage grass that is widely used as pasture, hay, and silage. However, drought stress severely impacts its yield, and there is limited information about the mechanisms of drought tolerance in Sudan grass. In this study, we used next-generation sequencing to identify differentially expressed genes (DEGs) in the Sudan grass variety Wulate No.1, and we developed simple sequence repeat (SSR) markers associated with drought stress. From 852,543,826 raw reads, nearly 816,854,366 clean reads were identified and used for analysis...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28521784/functional-regression-method-for-whole-genome-eqtl-epistasis-analysis-with-sequencing-data
#14
Kelin Xu, Li Jin, Momiao Xiong
BACKGROUND: Epistasis plays an essential rule in understanding the regulation mechanisms and is an essential component of the genetic architecture of the gene expressions. However, interaction analysis of gene expressions remains fundamentally unexplored due to great computational challenges and data availability. Due to variation in splicing, transcription start sites, polyadenylation sites, post-transcriptional RNA editing across the entire gene, and transcription rates of the cells, RNA-seq measurements generate large expression variability and collectively create the observed position level read count curves...
May 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28521739/drosophila-melanogaster-positive-transcriptional-elongation-factors-regulate-metabolic-and-sex-biased-expression-in-adults
#15
Haiwang Yang, Denis Basquin, Daniel Pauli, Brian Oliver
BACKGROUND: Transcriptional elongation is a generic function, but is also regulated to allow rapid transcription responses. Following relatively long initiation and promoter clearance, RNA polymerase II can pause and then rapidly elongate following recruitment of positive elongation factors. Multiple elongation complexes exist, but the role of specific components in adult Drosophila is underexplored. RESULTS: We conducted RNA-seq experiments to analyze the effect of RNAi knockdown of Suppressor of Triplolethal and lilliputian...
May 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28521628/cd36-positive-b-lymphoblasts-predict-poor-outcome-in-children-with-b-lymphoblastic-leukemia
#16
Joanna G Newton, John T Horan, Scott Newman, Michael R Rossi, Rhett P Ketterling, Sunita I Park
Objective We observed that pediatric patients with B lymphoblastic leukemia which expressed CD36 at diagnosis seemed to have worse outcome than patients whose blasts did not. Here, we describe the patient, disease characteristics, pathological, molecular, and genetic features and outcomes of patients with CD36+ B-LL compared to patients with CD36- B-LL. Methods We retrospectively reviewed all flow cytometry reports from September 2008 to December 2015 to identify patients diagnosed at our institution with CD36 expression on B lymphoblasts...
June 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28520925/the-ironclad-truth-how-in-vivo-transcriptomics-and-in-vitro-mechanistic-studies-shape-our-understanding-of-neisseria-gonorrhoeae-gene-regulation-during-mucosal-infection
#17
Matthew R Moreau, Paola Massari, Caroline A Genco
Neisseria gonorrhoeae is one of the most prevalent sexually transmitted infections worldwide. This obligate human pathogen has been extensively studied in vitro, where bacterial factors that are known to contribute to gonococcal disease and their regulation are relatively well defined. However, these in vitro experimental conditions only loosely replicate the host specific environment encountered by the bacteria in vivo. We recently reported on the complete gonococcal transcriptome expressed during natural human mucosal infection using RNA-seq analysis...
May 17, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28520800/transcriptome-profiling-revealed-novel-transcriptional-regulators-in-maize-responses-to-ostrinia-furnacalis-and-jasmonic-acid
#18
Hai Wang, Shengyan Li, Shouzhen Teng, Haisheng Liang, Hongjia Xin, Hongjiang Gao, Dafang Huang, Zhihong Lang
Chewing insects cause severe yield losses in crop production worldwide. Crop plants counteract chewing insects by transcriptionally promoting a repertoire of defense gene products that are either toxic to, or attractive to the natural enemies of, pest insects. However, the complexity of the transcriptional reprogramming in plant defense response against chewing insects is still not well understood. In this study, the genome-wide early responses in maize seedlings to Asian corn borer (ACB, Ostrinia furnacalis) and also to jasmonic acid(JA), the pivotal phytohormone controlling plant defense response against herbivory, were transcriptionally profiled by RNA-Seq...
2017: PloS One
https://www.readbyqxmd.com/read/28520766/transcriptomic-analysis-of-salt-stress-responsive-genes-in-rhazya-stricta
#19
Nahid H Hajrah, Abdullah Y Obaid, Ahmed Atef, Ahmed M Ramadan, Dhivya Arasappan, Charllotte A Nelson, Sherif Edris, Mohammed Z Mutwakil, Alawia Alhebshi, Nour O Gadalla, Rania M Makki, Madgy A Al-Kordy, Fotouh M El-Domyati, Jamal S M Sabir, Mohammad A Khiyami, Neil Hall, Ahmed Bahieldin, Robert K Jansen
Rhazya stricta is an evergreen shrub that is widely distributed across Western and South Asia, and like many other members of the Apocynaceae produces monoterpene indole alkaloids that have anti-cancer properties. This species is adapted to very harsh desert conditions making it an excellent system for studying tolerance to high temperatures and salinity. RNA-Seq analysis was performed on R. stricta exposed to severe salt stress (500 mM NaCl) across four time intervals (0, 2, 12 and 24 h) to examine mechanisms of salt tolerance...
2017: PloS One
https://www.readbyqxmd.com/read/28520720/identification-of-human-short-introns
#20
Emmanuel L Abebrese, Syed H Ali, Zachary R Arnold, Victoria M Andrews, Katharine Armstrong, Lindsay Burns, Hannah R Crowder, R Thomas Day, Daniel G Hsu, Katherine Jarrell, Grace Lee, Yi Luo, Daphine Mugayo, Zain Raza, Kyle Friend
Canonical pre-mRNA splicing requires snRNPs and associated splicing factors to excise conserved intronic sequences, with a minimum intron length required for efficient splicing. Non-canonical splicing-intron excision without the spliceosome-has been documented; most notably, some tRNAs and the XBP1 mRNA contain short introns that are not removed by the spliceosome. There have been some efforts to identify additional short introns, but little is known about how many short introns are processed from mRNAs. Here, we report an approach to identify RNA short introns from RNA-Seq data, discriminating against small genomic deletions...
2017: PloS One
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