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https://www.readbyqxmd.com/read/28545148/mitochondrial-genome-evolution-in-alismatales-size-reduction-and-extensive-loss-of-ribosomal-protein-genes
#1
Gitte Petersen, Argelia Cuenca, Athanasios Zervas, Gregory T Ross, Sean W Graham, Craig F Barrett, Jerrold I Davis, Ole Seberg
The order Alismatales is a hotspot for evolution of plant mitochondrial genomes characterized by remarkable differences in genome size, substitution rates, RNA editing, retrotranscription, gene loss and intron loss. Here we have sequenced the complete mitogenomes of Zostera marina and Stratiotes aloides, which together with previously sequenced mitogenomes from Butomus and Spirodela, provide new evolutionary evidence of genome size reduction, gene loss and transfer to the nucleus. The Zostera mitogenome includes a large portion of DNA transferred from the plastome, yet it is the smallest known mitogenome from a non-parasitic plant...
2017: PloS One
https://www.readbyqxmd.com/read/28545133/survey-of-health-literacy-level-and-related-influencing-factors-in-military-college-students-in-chongqing-china-a-cross-sectional-analysis
#2
Honghui Rong, Xin Cheng, Jose M Garcia, Ling Zhang, Lu Lu, Jian Fang, Mingshan Le, Peng Hu, Xinlu Dong, Junli Yang, Ya Wang, Ting Luo, Jun Liu, Ji-An Chen
Health literacy (HL) has become an important public health issue and is receiving growing attention. However, the HL levels of military college students in China have never been analyzed. This study aimed to investigate the HL and related associate factors in military college students in Chongqing, China. Data was obtained with the "Chinese Citizen Health Literacy Questionnaire (2012 edition)" from 3183 military college students aged 16-28 years at Chongqing in December 2015. A total score of ≥80 points determined adequate HL, and HL level was defined as the proportion of students who had adequate HL out of the total number of participants...
2017: PloS One
https://www.readbyqxmd.com/read/28544908/childhood-tumours-with-a-high-probability-of-being-part-of-a-tumour-predisposition-syndrome-reason-for-referral-for-genetic-consultation
#3
REVIEW
Floor A M Postema, Saskia M J Hopman, Cora M Aalfs, Lieke P V Berger, Fonnet E Bleeker, Charlotte J Dommering, Marjolijn C J Jongmans, Tom G W Letteboer, Maran J W Olderode-Berends, Anja Wagner, Raoul C Hennekam, Johannes H M Merks
INTRODUCTION: Recognising a tumour predisposition syndrome (TPS) in childhood cancer patients is of major clinical relevance. The presence of a TPS may be suggested by the type of tumour in the child. We present an overview of 23 childhood tumours that in themselves should be a reason to refer a child for genetic consultation. METHODS: We performed a PubMed search to review the incidence of TPSs in children for 85 tumour types listed in the International Classification of Childhood Cancer third edition (ICCC-3)...
May 22, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28544273/use-of-clinical-guidelines-in-remote-australia-a-realist-evaluation
#4
Sandeep Reddy, Victoria Orpin, Sally Herring, Stephanie Mackie-Schneider, Janet Struber
AIM: The aim of this evaluation was to assess the acceptability, accessibility, and compliance with the 2014 editions of the Remote Primary Health Care Manuals (RPHCM) in health care centres across remote areas of Northern and Central Australia. METHOD: To undertake a comprehensive evaluation that considered context, the evaluation used a realist evaluation framework. The evaluation used a variety of methods including interviews and survey to develop and test a programme theory...
May 24, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28544016/recent-advances-of-crispr-cas9-genome-editing-technologies-for-biological-and-biomedical-investigations
#5
Vijai Singh, Nisarg Gohil, Robert Ramírez García, Darren Braddick, Christian Kuete Fofié
The Type II CRISPR-Cas9 system is a simple, efficient, and versatile tool for targeted genome editing in a wide range of organisms and cell types. It continues to gain more scientific interest and has established itself as an extremely powerful technology within our synthetic biology toolkit. It works upon a targeted site and generates a double strand breaks that become repaired by either the NHEJ or HDR pathway, modifying or permanently replacing the genomic target sequences of interest. These can include viral targets, single-mutation genetic diseases, and multiple-site corrections for wide scale disease states, offering the potential to manage and cure some of mankind's most persistent biomedical menaces...
May 24, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28543738/crispr-editing-in-biological-and-biomedical-investigation
#6
Xing-Da Ju, Jing Xu, Zhong Sheng Sun
The CRISPR (clustered regularly interspaced short palindromic repeat)-Cas (CRISPR--associated protein) system, a prokaryotic RNA-based adaptive immune system against viral infection, is emerging as a powerful genome editing tool in broad research areas. To further improve and expand its functionality, various CRISPR delivery strategies have been tested and optimized, and key CRISPR system components such as Cas protein have been engineered with different purposes. Benefiting from more in-depth understanding and further development of CRISPR, versatile CRISPR-based platforms for genome editing have been rapidly developed to advance investigations in biology and biomedicine...
May 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28543419/flu-floods-and-fire-ethical-public-health-preparedness
#7
REVIEW
Alexandra L Phelan, Lawrence O Gostin
Even as public health ethics was developing as a field, major incidents such as 9/11 and the SARS epidemic propelled discourse around public health emergency preparedness and response. Policy and practice shifted to a multidisciplinary approach, recognizing the broad range of potential threats to public health, including biological, physical, radiological, and chemical threats. This propelled the development of surveillance systems to detect incidents, laboratory capacities to rapidly test for potential threats, and therapeutic and social countermeasures to prepare for and respond to a range of hazards...
May 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28543417/toward-public-bioethics
#8
EDITORIAL
Gregory E Kaebnick
This issue of the Hastings Center Report (May-June 2017) features a couple of interesting takes on the governance challenges of emerging technologies. In an essay on the National Academies of Science, Engineering, and Medicine report published this February on human germ-line gene editing, Eric Juengst, a philosopher at the University of North Carolina, argues that the NASEM committee did not manage to rethink the rules. Juengst reaches what he calls an "eccentric conclusion": "The committee's 2017 consensus report has been widely interpreted as 'opening the door' to inheritable human genetic modification and holding a line against enhancement interventions...
May 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28543411/crowdsourcing-the-moral-limits-of-human-gene-editing
#9
Eric T Juengst
In 2015, a flourish of "alarums and excursions" by the scientific community propelled CRISPR/Cas9 and other new gene-editing techniques into public attention. At issue were two kinds of potential gene-editing experiments in humans: those making inheritable germ-line modifications and those designed to enhance human traits beyond what is necessary for health and healing. The scientific consensus seemed to be that while research to develop safe and effective human gene editing should continue, society's moral uncertainties about these two kinds of experiments needed to be better resolved before clinical trials of either type should be attempted...
May 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28542423/plasmid-free-crispr-cas9-genome-editing-in-plasmodium-falciparum-confirms-mutations-conferring-resistance-to-the-dihydroisoquinolone-clinical-candidate-sj733
#10
Emily D Crawford, Jenai Quan, Jeremy A Horst, Daniel Ebert, Wesley Wu, Joseph L DeRisi
Genetic manipulation of the deadly malaria parasite Plasmodium falciparum remains challenging, but the rise of CRISPR/Cas9-based genome editing tools is increasing the feasibility of altering this parasite's genome in order to study its biology. Of particular interest is the investigation of drug targets and drug resistance mechanisms, which have major implications for fighting malaria. We present a new method for introducing drug resistance mutations in P. falciparum without the use of plasmids or the need for cloning homologous recombination templates...
2017: PloS One
https://www.readbyqxmd.com/read/28542388/targeted-dna-methylation-in-pericentromeres-with-genome-editing-based-artificial-dna-methyltransferase
#11
Taiga Yamazaki, Yu Hatano, Tetsuya Handa, Sakiko Kato, Kensuke Hoida, Rui Yamamura, Takashi Fukuyama, Takayuki Uematsu, Noritada Kobayashi, Hiroshi Kimura, Kazuo Yamagata
To study the impact of epigenetic changes on biological functions, the ability to manipulate the epigenetic status of certain genomic regions artificially could be an indispensable technology. "Epigenome editing" techniques have gradually emerged that apply TALE or CRISPR/Cas9 technologies with various effector domains isolated from epigenetic code writers or erasers such as DNA methyltransferase, 5-methylcytosine oxidase, and histone modification enzymes. Here we demonstrate that a TALE recognizing a major satellite, consisting of a repeated sequence in pericentromeres, could be fused with the bacterial CpG methyltransferase, SssI...
2017: PloS One
https://www.readbyqxmd.com/read/28542349/crispr-cas9-mediated-targeted-mutagenesis-in-grape
#12
Ikuko Nakajima, Yusuke Ban, Akifumi Azuma, Noriyuki Onoue, Takaya Moriguchi, Toshiya Yamamoto, Seiichi Toki, Masaki Endo
RNA-guided genome editing using the CRISPR/Cas9 CRISPR (clustered regularly interspaced short palindromic repeats)/Cas9 (CRISPR-associated protein 9) system has been applied successfully in several plant species. However, to date, there are few reports on the use of any of the current genome editing approaches in grape-an important fruit crop with a large market not only for table grapes but also for wine. Here, we report successful targeted mutagenesis in grape (Vitis vinifera L., cv. Neo Muscat) using the CRISPR/Cas9 system...
2017: PloS One
https://www.readbyqxmd.com/read/28542197/deep-rna-sequencing-reveals-the-smallest-known-mitochondrial-micro-exon-in-animals-the-placozoan-cox1-single-base-pair-exon
#13
Hans-Jürgen Osigus, Michael Eitel, Bernd Schierwater
The phylum Placozoa holds a key position for our understanding of the evolution of mitochondrial genomes in Metazoa. Placozoans possess large mitochondrial genomes which harbor several remarkable characteristics such as a fragmented cox1 gene and trans-splicing cox1 introns. A previous study also suggested the existence of cox1 mRNA editing in Trichoplax adhaerens, yet the only formally described species in the phylum Placozoa. We have analyzed RNA-seq data of the undescribed sister species, Placozoa sp. H2 ("Panama" clone), with special focus on the mitochondrial mRNA...
2017: PloS One
https://www.readbyqxmd.com/read/28542170/human-mutations-in-integrator-complex-subunits-link-transcriptome-integrity-to-brain-development
#14
Renske Oegema, David Baillat, Rachel Schot, Leontine M van Unen, Alice Brooks, Sima Kheradmand Kia, A Jeannette M Hoogeboom, Zheng Xia, Wei Li, Matteo Cesaroni, Maarten H Lequin, Marjon van Slegtenhorst, William B Dobyns, Irenaeus F M de Coo, Frans W Verheijen, Andreas Kremer, Peter J van der Spek, Daphne Heijsman, Eric J Wagner, Maarten Fornerod, Grazia M S Mancini
Integrator is an RNA polymerase II (RNAPII)-associated complex that was recently identified to have a broad role in both RNA processing and transcription regulation. Importantly, its role in human development and disease is so far largely unexplored. Here, we provide evidence that biallelic Integrator Complex Subunit 1 (INTS1) and Subunit 8 (INTS8) gene mutations are associated with rare recessive human neurodevelopmental syndromes. Three unrelated individuals of Dutch ancestry showed the same homozygous truncating INTS1 mutation...
May 25, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28542129/adar1-mediated-3-utr-editing-and-expression-control-of-antiapoptosis-genes-fine-tunes-cellular-apoptosis-response
#15
Chang-Ching Yang, Yi-Tung Chen, Yi-Feng Chang, Hsuan Liu, Yu-Ping Kuo, Chieh-Tien Shih, Wei-Chao Liao, Hui-Wen Chen, Wen-Sy Tsai, Bertrand Chin-Ming Tan
Adenosine-to-inosine RNA editing constitutes a crucial component of the cellular transcriptome and critically underpins organism survival and development. While recent high-throughput approaches have provided comprehensive documentation of the RNA editome, its functional output remains mostly unresolved, particularly for events in the non-coding regions. Gene ontology analysis of the known RNA editing targets unveiled a preponderance of genes related to apoptosis regulation, among which proto-oncogenes XIAP and MDM2 encode two the most abundantly edited transcripts...
May 25, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28541528/hdss-profile-the-dande-health-and-demographic-surveillance-system-dande-hdss-angola
#16
Edite Vila Nova Rosário, Diogo Costa, Diogo Francisco, Miguel Brito
No abstract text is available yet for this article.
May 23, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28541477/mitochondrial-retroprocessing-promoted-functional-transfers-of-rpl5-to-the-nucleus-in-grasses
#17
Zhiqiang Wu, Daniel B Sloan, Colin W Brown, Mónica Rosenblueth, Jeffrey D Palmer, Han Chuan Ong
Functional gene transfers from the mitochondrion to the nucleus are ongoing in angiosperms and have occurred repeatedly for all 15 ribosomal protein genes, but it is not clear why some of these genes are transferred more often than others nor what the balance is between DNA- and RNA-mediated transfers. Although direct insertion of mitochondrial DNA into the nucleus occurs frequently in angiosperms, case studies of functional mitochondrial gene transfer have implicated an RNA-mediated mechanism that eliminates introns and RNA editing sites, which would otherwise impede proper expression of mitochondrial genes in the nucleus...
May 25, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28541336/fixing-the-tomato-crispr-edits-correct-plant-breeding-snafu
#18
Heidi Ledford
No abstract text is available yet for this article.
May 18, 2017: Nature
https://www.readbyqxmd.com/read/28541213/error-free-text-typing-performance-of-an-inductive-intra-oral-tongue-computer-interface-for-severely-disabled-individuals
#19
Lotte Andreasen Struijk, Bo Bentsen, Michael Gaihede, Eugen Lontis
For severely paralyzed individuals, alternative computer interfaces are becoming increasingly essential for everyday life as social and vocational activities are facilitated by information technology and as the environment becomes more automatic and remotely controllable. Tongue computer interfaces have proven to be desirable by the users partly due to their high degree of aesthetic acceptability, but so far the mature systems have shown a relatively low error-free text typing efficiency. This study evaluated the intra-oral inductive tongue computer interface (ITCI) in its intended use: Error-free text typing in a generally available text editing system, Word©...
May 19, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28541054/review-of-teas-cocoa-and-coffee-plant-secondary-metabolites-and-health-teas-cocoa-and-coffee-plant-secondary-metabolites-and-health-edited-by-alan-crozier-hiroshi-ashihara-and-francisco-tom%C3%A3-s-barb%C3%A3-ran-john-wiley-sons-ltd-west-sussex-uk-2011-x-252-pp-228-18
#20
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