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Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics

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https://www.readbyqxmd.com/read/28806688/concentration-dependent-transcriptome-responses-of-zebrafish-embryos-after-exposure-to-cadmium-cobalt-and-copper
#1
Laura Sonnack, Thorsten Klawonn, Ralf Kriehuber, Henner Hollert, Christoph Schäfers, Martina Fenske
Environmental metals are known to cause harmful effects to fish of which many molecular mechanisms still require elucidation. Particularly concentration dependence of gene expression effects is unclear. Focusing on this matter, zebrafish embryo toxicity tests were used in combination with transcriptomics. Embryos were exposed to three concentrations of copper (CuSO4), cadmium (CdCl2) and cobalt (CoSO4) from just after fertilization until the end of the 48hpf pre- and 96hpf post-hatch stage. The RNA was then analyzed on Agilent's Zebrafish (V3, 4×44K) arrays...
August 2, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28800433/global-gene-expression-analysis-of-the-muscle-tissues-of-medaka-acclimated-to-low-and-high-environmental-temperatures
#2
Daisuke Ikeda, Hiroki Koyama, Nanami Mizusawa, Nobuhiro Kan-No, Engkong Tan, Shuichi Asakawa, Shugo Watabe
Medaka (Oryzias latipes) is a temperate eurythermal fish that is able to survive over a wide range of water temperatures ranging from near zero to over 30°C throughout the year; it maintains its normal physiological and biochemical processes through temperature acclimation. To determine the mechanisms involved in temperature acclimation of fish, the fast skeletal muscle tissues of medaka underwent global gene expression analysis using next-generation sequencing. Ten individuals were placed into two aquariums at 24°C...
August 2, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28756307/identification-and-comparison-of-candidate-odorant-receptor-genes-in-the-olfactory-and-non-olfactory-organs-of-holotrichia-oblita-faldermann-by-transcriptome-analysis
#3
Kebin Li, Hongshuang Wei, Changlong Shu, Shuai Zhang, Yazhong Cao, Chen Luo, Jiao Yin
A sophisticated olfactory system is part of the explanation for the prominence of insects among animals because of the essential roles of the olfactory system in foraging, host seeking, mating, ovipositing and avoiding toxic substances. In this study, we sequenced and analysed the transcriptomes of olfactory tissue (antennae) and non-olfactory tissue (legs) of the scarab beetle, Holotrichia oblita Faldermann, which is a serious underground pest in China. We obtained approximately 80.2 million 150bp reads that were assembled into 61,038 unigenes with an average length of 890bp...
July 24, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28709111/genome-wide-identification-of-52-cytochrome-p450-cyp-genes-in-the-copepod-tigriopus-japonicus-and-their-b-%C3%AE-p-induced-expression-patterns
#4
Jeonghoon Han, Duck-Hyun Kim, Hui-Su Kim, David R Nelson, Jae-Seong Lee
Cytochrome P450s (CYPs) are enzymes with a heme-binding domain that are found in all living organisms. CYP enzymes have important roles associated with detoxification of xenobiotics and endogenous compounds (e.g. steroids, fatty acids, and hormones). Although CYP enzymes have been reported in several invertebrates, including insects, little is known about copepod CYPs. Here, we identified the entire repertoire of CYP genes (n=52) from whole genome and transcriptome sequences of the benthic copepod Tigriopus japonicus, including a tandem duplication (CYP3026A3, CYP3026A4, CYP3026A5), and examined patterns of gene expression over various developmental stages and in response to benzo[α]pyrene (B[α]P) exposure...
July 6, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28666194/dietary-cholesterol-induced-transcriptome-differences-in-the-intestine-hepatopancreas-and-muscle-of-oriental-river-prawn-macrobrachium-nipponense
#5
Xizhang Gu, Hongtuo Fu, Shengming Sun, Hui Qiao, Wenyi Zhang, Sufei Jiang, Yiwei Xiong, Shubo Jin, Yongsheng Gong, Yan Wu
Cholesterol is an important nutrient for crustaceans. In this study, we performed comparative transcriptome analyses to explore the transcriptome differences in the intestine, hepatopancreas, and muscle of Macrobrachium nipponense fed either a low cholesterol (LC) or high cholesterol (HC) diet (2.8 or 17.1g cholesterol per kg diet). High-throughput RNA-Seq was conducted, resulting in 7.65, 5.88, and 7.59G clean bases from the intestine, hepatopancreas, and muscle of the LC group, respectively, and 7.59, 6.73, and 6...
June 13, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28601631/ibt-based-quantitative-proteomics-identifies-potential-regulatory-proteins-involved-in-pigmentation-of-purple-sea-cucumber-apostichopus-japonicus
#6
Lili Xing, Lina Sun, Shilin Liu, Xiaoni Li, Libin Zhang, Hongsheng Yang
Sea cucumbers are an important economic species and exhibit high yield value among aquaculture animals. Purple sea cucumbers are very rare and beautiful and have stable hereditary patterns. In this study, isobaric tags (IBT) were first used to reveal the molecular mechanism of pigmentation in the body wall of the purple sea cucumber. We analyzed the proteomes of purple sea cucumber in early pigmentation stage (Pa), mid pigmentation stage (Pb) and late pigmentation stage (Pc), resulting in the identification of 5580 proteins, including 1099 differentially expressed proteins in Pb: Pa and 339 differentially expressed proteins in Pc: Pb...
June 2, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28787639/digital-gene-expression-analysis-of-takifugu-rubripes-brain-after-acute-hypoxia-exposure-using-next-generation-sequencing
#7
Jie-Lan Jiang, Ming-Guang Mao, Hui-Qian Lü, Shi-Hui Wen, Meng-Lei Sun, Rui-Ting Liu, Zhi-Qiang Jiang
The adverse effects of hypoxia are confined to biochemical, physiological, developmental and behavioral processes, especially injury of the brain. In this study, a subset of genes in the brain of Takifugu rubripes were analyzed using digital gene expression (DGE) profiles and next-generation sequencing after acute hypoxia. Among 32 differentially expressed genes, 29 were up-regulated and 3 were down-regulated following hypoxia exposure. Using Gene Ontology analysis, it was found that transcription and translation, metabolism, and the stress response were affected by exposure to hypoxia...
May 30, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28622611/de-novo-transcriptome-sequencing-and-comparative-analysis-to-discover-genes-involved-in-ovarian-maturity-in-strongylocentrotus-nudus
#8
Zhiying Jia, Qiai Wang, Kaikai Wu, Zhenlin Wei, Zunchun Zhou, Xiaolin Liu
Strongylocentrotus nudus is an edible sea urchin, mainly harvested in China. Correlation studies indicated that S. nudus with larger diameter have a prolonged marketing time and better palatability owing to their precocious gonads and extended maturation process. However, the molecular mechanism underlying this phenomenon is still unknown. Here, transcriptome sequencing was applied to study the ovaries of adult S. nudus with different shell diameters to explore the possible mechanism. In this study, four independent cDNA libraries were constructed, including two from the big size urchins and two from the small ones using a HiSeq™2500 platform...
May 30, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28578262/exposure-to-deepwater-horizon-oil-and-corexit-9500-at-low-concentrations-induces-transcriptional-changes-and-alters-immune-transcriptional-pathways-in-sheepshead-minnows
#9
Elizabeth R Jones, Christopher J Martyniuk, Jeffrey M Morris, Michelle O Krasnec, Robert J Griffitt
The 2010 Deepwater Horizon (DWH) oil spill caused the release of 4.9 million barrels of crude oil into the Gulf of Mexico, followed by the application of 2.9 million L of the dispersant, Corexit™ to mitigate the spread of oil. The spill resulted in substantial shoreline oiling, potentially exposing coastal organisms to polyaromatic hydrocarbon (PAH) and dispersant contaminants. To investigate molecular effects in fish following exposure to environmentally relevant concentrations of DWH oil and dispersants, we exposed adult sheepshead minnows (Cyprinodon variegatus) to two concentrations of high-energy water-accommodated fraction (HEWAF), chemically enhanced water-accommodated fraction (CEWAF) or Corexit 9500™ for 7 and 14days...
May 26, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28433920/proteomic-analysis-of-sockeye-salmon-serum-as-a-tool-for-biomarker-discovery-and-new-insight-into-the-sublethal-toxicity-of-diluted-bitumen
#10
Sarah L Alderman, Laura A Dindia, Christopher J Kennedy, Anthony P Farrell, Todd E Gillis
Pipelines carrying diluted bitumen (dilbit) from Canada's oil sands traverse North America, including the freshwater habitat of Pacific salmon, posing a risk of environmental release and aquatic exposure. Swimming performance is impacted in juvenile sockeye (Oncorhynchus nerka) exposed to dilbit; therefore biomarkers of dilbit exposure will be valuable for monitoring at-risk salmon stocks. This study characterized changes in the serum proteome of sockeye exposed to a sub-lethal and environmentally relevant concentration of dilbit using isobaric tags for relative and absolute quantitation (iTRAQ), and included a range of experimental conditions to permit identification of biomarkers that are robust across time (1 and 4wk) and exercise level (at rest and following a swim test)...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28433919/identification-of-differentially-expressed-mirnas-through-high-throughput-sequencing-in-the-chicken-lung-in-response-to-mycoplasma-gallisepticum-hs
#11
Yabo Zhao, Yue Hou, Kang Zhang, Bo Yuan, Xiuli Peng
Mycoplasma gallisepticum (MG) infects chickens, causes chronic respiratory diseases (CRD) and severely damages the poultry industry. It has been suggested that micro-ribonucleic acids (miRNAs) are involved in microbial pathogenesis. Here, we identified miRNAs that are associated with MG infection in chicken lungs at 3 and 10days post-infection by deep sequencing. Thirty-six down-regulated and 9 up-regulated miRNAs belonging to 31 miRNA families were detected at 3days post-infection, whereas 50 down-regulated and 18 up-regulated miRNAs belonging to 41 miRNA families were found at 10days post-infection...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28415049/metamorphosis-and-transition-between-developmental-stages-in-european-eel-anguilla-anguilla-l-involve-epigenetic-changes-in-dna-methylation-patterns
#12
Jochen H Trautner, Stefan Reiser, Tina Blancke, Katrin Unger, Klaus Wysujack
The life history of the European eel (Anguilla anguilla, L.) is characterized by a series of metamorphoses and transitions that provoke drastic morphological changes. Most of these changes go along with the catadromous life cycle in eels, involving extensive physiologically adaptations. In this study it was investigated whether these drastic changes have an epigenetic basis by analyzing global methylation patterns in liver, gill and brain tissue from glass eels caught at the British coast as well as yellow and silver eels from River Rhine using methylation-sensitive amplified polymorphisms (MSAP)...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28411580/comparative-analysis-of-the-liver-transcriptome-of-pelteobagrus-vachellii-with-an-alternative-feeding-time
#13
COMPARATIVE STUDY
Chuanjie Qin, Quan Gong, Zhengyong Wen, Yuanchao Zou, Dengyue Yuan, Ting Shao, Huatao Li
Pelteobagrus vachellii, an important freshwater fish in China, shows predominantly nocturnal behavior. To better understand the growth and molecular mechanisms underlying altered feeding times in this species, we studied the growth and liver transcriptome of P. vachellii with shifted feeding times. In this study, a 9-week growth trial was conducted on male P. vachellii (mean weight±S.E.=1.05±0.36g) with commercial feed. Two triplicate groups of fish were fed either at 0800 (day group, control) or at 2000 (night group) with the same amount of feed...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28395238/de-novo-analysis-of-the-oriental-armyworm-mythimna-separata-antennal-transcriptome-and-expression-patterns-of-odorant-binding-proteins
#14
Xiang-Qian Chang, Xiao-Pei Nie, Zan Zhang, Fang-Fang Zeng, Liang Lv, Shu Zhang, Man-Qun Wang
To better understand the olfactory mechanisms in the oriental armyworm Mythimna separate, one of the most serious pests of cereals, an antennal transcriptome was constructed in this study. A total of 130 olfactory related transcripts were identified. These transcripts were predicted to encode 32 odorant-binding proteins (OBPs), 16 chemosensory proteins (CSPs), 71 olfactory receptors (ORs), 8 ionotropic receptors (IRs), 1 gustatory receptor (GR) and 2 sensory neuron membrane proteins (SNMPs). Q-PCR analysis of the temporal expression profiles of seven OBPs in different tissues indicated that, except for MsepOBP19 which was highly expressed in the wings of 0-day-old adult and MsepOBP20 which was low expressed in all tissues, other tested MsepOBPs were significantly more highly expressed in the antenna than in the head (antenna excluded), thorax, abdomen, legs and wings...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28288367/crenomytilus-grayanus-40kda-calponin-like-protein-cdna-cloning-sequence-analysis-tissue-expression-and-post-translational-modifications
#15
Oleg S Matusovsky, Anna V Dobrzhanskaya, Victoria V Pankova, Konstantin V Kiselev, Ulyana V Girich, Nikolay S Shelud'ko
Calponin-like protein (CaP-40), a third major protein after actin and tropomyosin, has recently been identified by us in the Ca(2+)-regulated thin filaments of mussel Crenomytilus grayanus. It contains calponin homology domain, five calponin family repeats and possesses similar biochemical properties as vertebrate smooth muscle calponin. In this paper, we report a full-length cDNA sequence of CaP-40, study its expression pattern on mRNA and protein levels, evaluate CaP-40 post-translational modifications and perform protein-protein interaction analysis...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28288366/oligomeric-protein-complexes-of-apolipoproteins-stabilize-the-internal-fluid-environment-of-organism-in-redfins-of-the-tribolodon-genus-pisces-cypriniformes-cyprinidae
#16
Alla M Andreeva, Marina V Serebryakova, Nina E Lamash
One of the most important functions of plasma proteins in vertebrates is their participation in osmotic homeostasis in the organism. Modern concepts about plasma proteins and their capillary filtration are based on a model of large monomeric proteins that are able to penetrate the interstitial space. At the same time, it was revealed that a considerable amount of oligomeric complexes are present in the low-molecular-weight (LM) protein fraction in the extracellular fluids of fishes. The functions of these complexes are unknown...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28288365/dexd-h-box-rna-helicase-genes-are-differentially-expressed-between-males-and-females-during-the-critical-period-of-male-sex-differentiation-in-channel-catfish
#17
Changxu Tian, Suxu Tan, Lisui Bao, Qifan Zeng, Shikai Liu, Yujia Yang, Xiaoxiao Zhong, Zhanjiang Liu
DExD/H-box RNA helicases are motor proteins participating in nearly all aspects of cellular processes, especially in RNA metabolism. In this study, a total of 54 DExD/H-box RNA helicase genes including 37 DDX (DEAD-box) and 17 DHX (DEAH-box) genes were characterized in channel catfish (Ictalurus punctatus), and annotated through phylogenetic and syntenic analyses. All the catfish RNA helicases contained conserved helicase signature motifs, demonstrating that the RNA helicase gene family was highly conserved...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28237864/transcriptome-analysis-and-identification-of-induced-genes-in-the-response-of-harmonia-axyridis-to-cold-hardiness
#18
Bin Tang, Xiao-Jun Liu, Zuo-Kun Shi, Qi-Da Shen, Yan-Xia Xu, Su Wang, Fan Zhang, Shi-Gui Wang
Harmonia axyridis is an important predatory lady beetle that is a natural enemy of agricultural and forestry pests. In this research, the cold hardiness induced genes and their expression changes in H. axyridis were screened and detected by the way of the transcriptome and qualitative real-time PCR under normal and low temperatures, using high-throughput transcriptome and digital gene-expression-tag technologies. We obtained a 10Gb transcriptome and an 8Mb gene expression tag pool using Illumina deep sequencing technology and RNA-Seq analysis (accession number SRX540102)...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28214702/triploid-atlantic-salmon-shows-similar-performance-fatty-acid-composition-and-proteome-response-to-diploids-during-early-freshwater-rearing
#19
Waldo G Nuez-Ortín, Chris G Carter, Richard Wilson, Ira R Cooke, Gianluca Amoroso, Jennifer M Cobcroft, Peter D Nichols
There is currently renewed interest in farming triploid Atlantic salmon. Improving farming requires identifying triploid specific phenotypic and physiological traits that are uniquely derived from ploidy per se and developed under optimal growing conditions. This study investigated firstly, the impact of ploidy on growth performance and whole body composition of Atlantic salmon at different early freshwater stages [34dph (days post-hatching) alevin, 109dph fry, and 162dph parr] and secondly, whether phenotypic differences at these stages were reflected in protein samples collected from whole fish, white muscle or liver tissue...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28199879/gene-expression-patterns-regulating-embryogenesis-based-on-the-integrated-de-novo-transcriptome-assembly-of-the-japanese-flounder
#20
Yuanshuai Fu, Liang Jia, Zhiyi Shi, Junling Zhang, Wenjuan Li
The Japanese flounder (Paralichthys olivaceus) is one of the most important commercial and biological marine fishes. However, the molecular biology involved during embryogenesis and early development of the Japanese flounder remains largely unknown due to a lack of genomic resources. A comprehensive and integrated transcriptome is necessary to study the molecular mechanisms of early development and to allow for the detailed characterization of gene expression patterns during embryogenesis; this approach is critical to understanding the processes that occur prior to mesectoderm formation during early embryonic development...
June 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
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