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https://www.readbyqxmd.com/read/28432831/oncopeltus-fasciatus-as-an-evo-devo-research-organism
#1
REVIEW
Ariel D Chipman
The large milkweed bug Oncopeltus fasciatus was one of the main study insects for a range of biological questions throughout much of the 20(th) century. Its importance waned with the introduction of Drosophila melanogaster as a genetic model organism. The evo-devo revolution of the turn of the century re-introduced Oncopeltus into the scientific community, and it has proved increasingly useful, mostly within a comparative context for evolution driven research. The last few years have seen a number of significant contributions to our understanding of the evolution of developmental processes in insects, and in arthropods in general, arise from work on Oncopeltus...
April 22, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28432545/genome-edited-animals-learning-from-gm-crops
#2
Ann Bruce
Genome editing of livestock is poised to become commercial reality, yet questions remain as to appropriate regulation, potential impact on the industry sector and public acceptability of products. This paper looks at how genome editing of livestock has attempted to learn some of the lessons from commercialisation of GM crops, and takes a systemic approach to explore some of the complexity and ambiguity in incorporating genome edited animals in a food production system. Current applications of genome editing are considered, viewed from the perspective of past technological applications...
April 21, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28432195/n-terminal-proteomics-assisted-profiling-of-the-unexplored-translation-initiation-landscape-in-arabidopsis-thaliana
#3
Patrick Willems, Elvis Ndah, Veronique Jonckheere, Simon Stael, Adriaan Sticker, Lennart Martens, Frank Van Breusegem, Kris Gevaert, Petra Van Damme
Proteogenomics is an emerging research field yet lacking a uniform method of analysis. Proteogenomic studies in which N-terminal proteomics and ribosome profiling are combined, suggest that a high number of protein start sites are currently missing in genome annotations. We constructed a proteogenomic pipeline specific for the analysis of N-terminal proteomics data, with the aim of discovering novel translational start sites outside annotated protein coding regions. In summary, unidentified MS/MS spectra were matched to a specific N-terminal peptide library encompassing protein N-termini encoded in the Arabidopsis thaliana genome...
April 21, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28431014/the-draft-genome-of-ruellia-speciosa-beautiful-wild-petunia-acanthaceae
#4
Yongbin Zhuang, Erin A Tripp
The genus Ruellia (Wild Petunias; Acanthaceae) is characterized by an enormous diversity of floral shapes and colours manifested among closely related species. Using Illumina platform, we reconstructed the draft genome of Ruellia speciosa, with a scaffold size of 1,021 Mb (or ∼1.02 Gb) and an N50 size of 17,908 bp, spanning ∼93% of the estimated genome (∼1.1 Gb). The draft assembly predicted 40,124 gene models and phylogenetic analyses of four key enzymes involved in anthocyanin colour production [flavanone 3-hydroxylase (F3H), flavonoid 3'-hydroxylase (F3'H), flavonoid 3',5'-hydroxylase (F3'5'H), and dihydroflavonol 4-reductase (DFR)] found that most angiosperms here sampled harboured at least one copy of F3H, F3'H, and DFR...
April 1, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/28430919/non-coding-rnas-in-cardiovascular-diseases-diagnostic-and-therapeutic-perspectives
#5
Wolfgang Poller, Stefanie Dimmeler, Stephane Heymans, Tanja Zeller, Jan Haas, Mahir Karakas, David-Manuel Leistner, Philipp Jakob, Shinichi Nakagawa, Stefan Blankenberg, Stefan Engelhardt, Thomas Thum, Christian Weber, Benjamin Meder, Roger Hajjar, Ulf Landmesser
Recent research has demonstrated that the non-coding genome plays a key role in genetic programming and gene regulation during development as well as in health and cardiovascular disease. About 99% of the human genome do not encode proteins, but are transcriptionally active representing a broad spectrum of non-coding RNAs (ncRNAs) with important regulatory and structural functions. Non-coding RNAs have been identified as critical novel regulators of cardiovascular risk factors and cell functions and are thus important candidates to improve diagnostics and prognosis assessment...
April 18, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28430547/enhancing-insights-into-pulmonary-vascular-disease-pvd-through-a-precision-medicine-approach-a-joint-nhlbi-cmref-workshop-report
#6
John H Newman, Stuart Rich, Steven H Abman, John H Alexander, John Barnard, Gerald J Beck, Raymond L Benza, Todd M Bull, Stephen Y Chan, Hyung J Chun, Declan Doogan, Jocelyn Dupuis, Serpil C Erzurum, Robert P Frantz, Mark Geraci, Hunter Gillies, Mark Gladwin, Michael P Gray, Anna R Hemnes, Roy S Herbst, Adrian F Hernandez, Nicholas S Hill, Evelyn M Horn, Kendall Hunter, Zhi-Cheng Jing, Roger Johns, Sanjay Kaul, Steven M Kawut, Tim Lahm, Jane A Leopold, Greg D Lewis, Stephen C Mathai, Vallerie V McLaughlin, Evangelos D Michelakis, Steven D Nathan, William Nichols, Grier Page, Marlene Rabinovitch, Jonathan Rich, Franz Rischard, Sharon Rounds, Sanjiv J Shah, Victor F Tapson, Naomi Lowy, Norman Stockbridge, Gail Weinmann, Lei Xiao
The Division of Lung Diseases of the National Heart, Lung and Blood Institute, (NHLBI) and the Cardiovascular Medical Education and Research Fund (CMREF), held a workshop to discuss to leverage of the anticipated scientific output from the recently launched "Redefining Pulmonary Hypertension (PH) through Pulmonary Vascular Disease Phenomics" (PVDOMICS) program. PVDOMICS is a protocol driven network to analyze PH patient populations to define novel pulmonary vascular disease (PVD) phenotypes. Basic, translational and clinical investigators, patient advocacy organizations, regulatory agencies, and pharmaceutical industry experts discussed the application of precision medicine to PVD clinical trials...
April 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28429851/impacts-of-taxonomic-inertia-for-the-conservation-of-african-ungulate-diversity-an-overview
#7
Spartaco Gippoliti, Fenton P D Cotterill, Dietmar Zinner, Colin P Groves
We review the state of African ungulate taxonomy over the last 120 years, with an emphasis on the introduction of the polytypic species concept and the discipline's general neglect since the middle of the 20th century. We single out negative consequences of 'orthodox' taxonomy, highlighting numerous cases of neglect of threatened lineages, unsound translocations that led to lineage introgression, and cases of maladaptation to local conditions including parasitic infections. Additionally, several captive breeding programmes have been hampered by chromosome rearrangements caused by involuntary lineage mixing...
April 21, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28429804/identifying-tagging-snps-for-african-specific-genetic-variation-from-the-african-diaspora-genome
#8
Henry Richard Johnston, Yi-Juan Hu, Jingjing Gao, Timothy D O'Connor, Gonçalo R Abecasis, Genevieve L Wojcik, Christopher R Gignoux, Pierre-Antoine Gourraud, Antoine Lizee, Mark Hansen, Rob Genuario, Dave Bullis, Cindy Lawley, Eimear E Kenny, Carlos Bustamante, Terri H Beaty, Rasika A Mathias, Kathleen C Barnes, Zhaohui S Qin
A primary goal of The Consortium on Asthma among African-ancestry Populations in the Americas (CAAPA) is to develop an 'African Diaspora Power Chip' (ADPC), a genotyping array consisting of tagging SNPs, useful in comprehensively identifying African specific genetic variation. This array is designed based on the novel variation identified in 642 CAAPA samples of African ancestry with high coverage whole genome sequence data (~30× depth). This novel variation extends the pattern of variation catalogued in the 1000 Genomes and Exome Sequencing Projects to a spectrum of populations representing the wide range of West African genomic diversity...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429771/crispr-cas9-mediated-genome-editing-in-one-blastomere-of-two-cell-embryos-reveals-a-novel-tet3-function-in-regulating-neocortical-development
#9
Lingbo Wang, Min-Yin Li, Chao Qu, Wan-Ying Miao, Qi Yin, Jiaoyang Liao, Hua-Teng Cao, Min Huang, Kai Wang, Erwei Zuo, Guangdun Peng, Shu-Xin Zhang, Guodong Chen, Qing Li, Ke Tang, Qian Yu, Zhoujie Li, Catherine Cl Wong, Guoliang Xu, Naihe Jing, Xiang Yu, Jinsong Li
Studying the early function of essential genes is an important and challenging problem in developmental biology. Here, we established a method for rapidly inducing CRISPR-Cas9-mediated mutations in one blastomere of two-cell stage embryos, termed 2-cell embryo-CRISPR-Cas9 injection (2CC), to study the in vivo function of essential (or unknown) genes in founder chimeric mice. By injecting both Cre mRNA and CRISPR-Cas9 targeting the gene of interest into fluorescent reporter mice, the 2CC method can trace both wild-type and mutant cells at different developmental stages, offering internal control for phenotypic analyses of mutant cells...
April 21, 2017: Cell Research
https://www.readbyqxmd.com/read/28429747/imaging-genetics-approach-to-parkinson-s-disease-and-its-correlation-with-clinical-score
#10
Mansu Kim, Jonghoon Kim, Seung-Hak Lee, Hyunjin Park
Parkinson's disease (PD) is a progressive neurodegenerative disorder associated with both underlying genetic factors and neuroimaging findings. Existing neuroimaging studies related to the genome in PD have mostly focused on certain candidate genes. The aim of our study was to construct a linear regression model using both genetic and neuroimaging features to better predict clinical scores compared to conventional approaches. We obtained neuroimaging and DNA genotyping data from a research database. Connectivity analysis was applied to identify neuroimaging features that could differentiate between healthy control (HC) and PD groups...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429073/urinary-extracellular-vesicles-a-promising-shortcut-to-novel-biomarker-discoveries
#11
REVIEW
Karina Barreiro, Harry Holthofer
Proteomic and genomic techniques have reached full maturity and are providing unforeseen details for the comprehensive understanding of disease pathologies at a fraction of previous costs. However, for kidney diseases, many gaps in such information remain to inhibit major advances in the prevention, treatment and diagnostics of these devastating diseases, which have enormous global impact. The discovery of ubiquitous extracellular vesicles (EV) in all bodily fluids is rapidly increasing the fundamental knowledge of disease mechanisms and the ways in which cells communicate with distant locations in processes of cancer spread, immunological regulation, barrier functions and general modulation of cellular activity...
April 20, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28428989/generation-and-characterization-of-the-blood-transcriptome-of-macaca-thibetana-and-comparative-analysis-with-m-mulatta
#12
Peng Li, Lianming Du, Wujiao Li, Zhenxin Fan, Daiwen Zeng, Hui Chen, Liang Zhou, Yong Yi, Na Yang, Kefeng Dou, Bisong Yue, Jing Li
Transcriptome profiles provide a large transcript sequence data set for genomic study, particularly in organisms that have no accurate genome data published. The Tibetan macaque (Macaca thibetana) is commonly considered to be an endemic species to China and an important animal in biomedical research in the present day. In the present study, we report the de novo assembly and characterization of the blood transcriptome of the Tibetan macaque from three individuals, and we also sequenced the blood transcriptome of the rhesus macaque (Macaca mulatta) for comparison...
April 21, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28428978/20th-workshop-of-the-international-stroke-genetics-consortium-november-3-4-2016-milan-italy-2016-036-isgc-research-priorities
#13
Daniel Woo, Stephanie Debette, Christopher Anderson
OBJECTIVE: To develop a research priority list for the International Stroke Genetics Consortium (ISGC). BACKGROUND: Previously, stroke progress review groups and other activities provided an opportunity for members within the field to develop priorities for research. These filtered into larger categories which then published the top research priorities of their given field. However, these review groups are no longer forming and thus there has been no clear direction on what the research priorities and needs for stroke genetics research...
March 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28428795/non-canonical-translation-in-plant-rna-viruses
#14
REVIEW
Manuel Miras, W Allen Miller, Verónica Truniger, Miguel A Aranda
Viral protein synthesis is completely dependent upon the host cell's translational machinery. Canonical translation of host mRNAs depends on structural elements such as the 5' cap structure and/or the 3' poly(A) tail of the mRNAs. Although many viral mRNAs are devoid of one or both of these structures, they can still translate efficiently using non-canonical mechanisms. Here, we review the tools utilized by positive-sense single-stranded (+ss) RNA plant viruses to initiate non-canonical translation, focusing on cis-acting sequences present in viral mRNAs...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28428554/network-assisted-analysis-of-gwas-data-identifies-a-functionally-relevant-gene-module-for-childhood-onset-asthma
#15
Y Liu, M Brossard, C Sarnowski, A Vaysse, M Moffatt, P Margaritte-Jeannin, F Llinares-López, M H Dizier, M Lathrop, W Cookson, E Bouzigon, F Demenais
The number of genetic factors associated with asthma remains limited. To identify new genes with an undetected individual effect but collectively influencing asthma risk, we conducted a network-assisted analysis that integrates outcomes of genome-wide association studies (GWAS) and protein-protein interaction networks. We used two GWAS datasets, each consisting of the results of a meta-analysis of nine childhood-onset asthma GWASs (5,924 and 6,043 subjects, respectively). We developed a novel method to compute gene-level P-values (fastCGP), and proposed a parallel dense-module search and cross-selection strategy to identify an asthma-associated gene module...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428306/draft-nuclear-genome-sequence-of-the-liquid-hydrocarbon-accumulating-green-microalga-botryococcus-braunii-race-b-showa
#16
Daniel R Browne, Jerry Jenkins, Jeremy Schmutz, Shengqiang Shu, Kerrie Barry, Jane Grimwood, Jennifer Chiniquy, Aditi Sharma, Thomas D Niehaus, Taylor L Weiss, Andrew T Koppisch, David T Fox, Suraj Dhungana, Shigeru Okada, Joe Chappell, Timothy P Devarenne
Botryococcus braunii has long been known as a prodigious producer of liquid hydrocarbon oils that can be converted into combustion engine fuels. This draft genome for the B race of B. braunii will allow researchers to unravel important hydrocarbon biosynthetic pathways and identify possible regulatory networks controlling this unusual metabolism.
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28427949/parasitism-finds-many-solutions-to-the-same-problems-in-red-algae-florideophyceae-rhodophyta
#17
Jillian M Freese, Christopher E Lane
Parasitic red algae evolve from a common ancestor with their hosts, parasitizing cousins using familiar cellular mechanisms. They have independently evolved over one hundred times within the exclusively multicellular red algal class Florideophyceae. Reduced morphology, a lack of pigmentation, and direct cell-cell connections with their hosts are markers of red algal parasitism. With so many potential evolutionary pathways, red algal parasite diversity offers a unique test case to understand the earliest stages of this lifestyle transition...
April 17, 2017: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/28427742/investigating-the-biodiversity-of-ciliates-in-the-age-of-integration
#18
REVIEW
John C Clamp, Denis H Lynn
Biology is now turning toward a more integrative approach to research, distinguished by projects that depend on collaboration across hierarchical levels of organization or across disciplines. This trend is prompted by the need to solve complex, large-scale problems and includes disciplines that could be defined as integrative biodiversity. Integrative biodiversity of protists, including that of ciliates, is still partially in its infancy. This is the result of a shortage of historical data resources such as curated museum collections...
March 16, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/28427716/xenopus-egg-extract-a-powerful-tool-to-study-genome-maintenance-mechanisms
#19
REVIEW
Wouter S Hoogenboom, Daisy Klein Douwel, Puck Knipscheer
DNA repair pathways are crucial to maintain the integrity of our genome and prevent genetic diseases such as cancer. There are many different types of DNA damage and specific DNA repair mechanisms have evolved to deal with these lesions. In addition to these repair pathways there is an extensive signaling network that regulates processes important for repair, such as cell cycle control and transcription. Despite extensive research, DNA damage repair and signaling are not fully understood. In vitro systems such as the Xenopus egg extract system, have played, and still play, an important role in deciphering the molecular details of these processes...
April 17, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28427537/metabolomics-nutrition-and-potential-biomarkers-of-food-quality-intake-and-health-status
#20
Jean-Louis Sébédio
Diet, dietary patterns, and other environmental factors such as exposure to toxins are playing an important role in the prevention/development of many diseases, like obesity, type 2 diabetes, and consequently on the health status of individuals. A major challenge nowadays is to identify novel biomarkers to detect as early as possible metabolic dysfunction and to predict evolution of health status in order to refine nutritional advices to specific population groups. Omics technologies such as genomics, transcriptomics, proteomics, and metabolomics coupled with statistical and bioinformatics tools have already shown great potential in this research field even if so far only few biomarkers have been validated...
2017: Advances in Food and Nutrition Research
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