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https://www.readbyqxmd.com/read/28431039/genomic-data-for-78-chickens-from-14-populations
#1
Diyan Li, Tiandong Che, Binlong Chen, Shilin Tian, Xuming Zhou, Guolong Zhang, Miao Li, Uma Gaur, Yan Li, Majing Luo, Long Zhang, Zhongxian Xu, Xiaoling Zhao, Huadong Yin, Yan Wang, Long Jin, Qianzi Tang, Huailiang Xu, Mingyao Yang, Rongjia Zhou, Ruiqiang Li, Qing Zhu, Mingzhou Li
Background: Since the domestication of the red jungle fowls ( Gallus gallus ) (dating back to ∼10,000 B.P.) in Asia, domestic chickens ( Gallus gallus domesticus ) have been subjected to the combined effects of natural selection and human-driven artificial selection; this has resulted in marked phenotypic diversity in a number of traits, including behavior, body composition, egg production and skin color. Population genomic variations through diversifying selection have not been fully investigated...
April 18, 2017: GigaScience
https://www.readbyqxmd.com/read/28431021/patterns-of-genome-wide-diversity-and-population-structure-in-the-drosophila-athabasca-species-complex
#2
Karen M Wong Miller, Ryan R Bracewell, Michael B Eisen, Doris Bachtrog
The Drosophila athabasca species complex contains three recently diverged, prezygotically isolated semispecies (Western-Northern, Eastern-A, and Eastern-B) that are distributed across North America and share zones of sympatry. Inferences based on a handful of loci suggest that this complex might be an ideal system for studying the genetics of incipient speciation and the evolution of prezygotic isolating mechanisms, but patterns of differentiation have not been characterized systematically. Here, we assembled a draft genome for D...
April 14, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28430989/gene-fractionation-and-function-in-the-ancient-subgenomes-of-maize
#3
Simon Renny-Byfield, Eli Rodgers-Melnick, Jeffrey Ross-Ibarra
The maize genome experienced an ancient whole genome duplication approximately 10 million years ago and the duplicate subgenomes have since experienced reciprocal gene loss (fractionation) such that many genes have returned to single-copy status. This process has not affected the subgenomes equally; reduced gene expression in one of the subgenomes mitigates the consequences of mutations and gene deletions and is thought to drive higher rates of fractionation. Here we take advantage of published genome-wide SNP and phenotype association data to show that, in accordance with predictions of this model, paralogs with greater expression contribute more to phenotypic variation compared to their lowly expressed counterparts...
April 19, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28430886/intrinsic-protein-disorder-reduces-small-scale-gene-duplicability
#4
Sanghita Banerjee, Felix Feyertag, David Alvarez-Ponce
Whereas the rate of gene duplication is relatively high, only certain duplications survive the filter of natural selection and can contribute to genome evolution. However, the reasons why certain genes can be retained after duplication whereas others cannot remain largely unknown. Many proteins contain intrinsically disordered regions (IDRs), whose structures fluctuate between alternative conformational states. Due to their high flexibility, IDRs often enable protein-protein interactions and are the target of post-translational modifications...
April 19, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/28430790/whole-genome-sequencing-suggests-mechanisms-for-22q11-2-deletion-associated-parkinson-s-disease
#5
Nancy J Butcher, Daniele Merico, Mehdi Zarrei, Lucas Ogura, Christian R Marshall, Eva W C Chow, Anthony E Lang, Stephen W Scherer, Anne S Bassett
OBJECTIVES: To investigate disease risk mechanisms of early-onset Parkinson's disease (PD) associated with the recurrent 22q11.2 deletion, a genetic risk factor for early-onset PD. METHODS: In a proof-of-principle study, we used whole-genome sequencing (WGS) to investigate sequence variants in nine adults with 22q11.2DS, three with neuropathologically confirmed early-onset PD and six without PD. Adopting an approach used recently to study schizophrenia in 22q11...
2017: PloS One
https://www.readbyqxmd.com/read/28430103/genomic-characterization-of-recrudescent-plasmodium-malariae-after-treatment-with-artemether-lumefantrine
#6
Gavin G Rutledge, Ian Marr, G Khai Lin Huang, Sarah Auburn, Jutta Marfurt, Mandy Sanders, Nicholas J White, Matthew Berriman, Chris I Newbold, Nicholas M Anstey, Thomas D Otto, Ric N Price
Plasmodium malariae is the only human malaria parasite species with a 72-hour intraerythrocytic cycle and the ability to persist in the host for life. We present a case of a P. malariae infection with clinical recrudescence after directly observed administration of artemether/lumefantrine. By using whole-genome sequencing, we show that the initial infection was polyclonal and the recrudescent isolate was a single clone present at low density in the initial infection. Haplotypic analysis of the clones in the initial infection revealed that they were all closely related and were presumably recombinant progeny originating from the same infective mosquito bite...
August 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28429804/identifying-tagging-snps-for-african-specific-genetic-variation-from-the-african-diaspora-genome
#7
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/28428978/20th-workshop-of-the-international-stroke-genetics-consortium-november-3-4-2016-milan-italy-2016-036-isgc-research-priorities
#8
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/28428825/comprehensive-evaluation-of-genome-wide-5-hydroxymethylcytosine-profiling-approaches-in-human-dna
#9
Ksenia Skvortsova, Elena Zotenko, Phuc-Loi Luu, Cathryn M Gould, Shalima S Nair, Susan J Clark, Clare Stirzaker
BACKGROUND: The discovery that 5-methylcytosine (5mC) can be oxidized to 5-hydroxymethylcytosine (5hmC) by the ten-eleven translocation (TET) proteins has prompted wide interest in the potential role of 5hmC in reshaping the mammalian DNA methylation landscape. The gold-standard bisulphite conversion technologies to study DNA methylation do not distinguish between 5mC and 5hmC. However, new approaches to mapping 5hmC genome-wide have advanced rapidly, although it is unclear how the different methods compare in accurately calling 5hmC...
2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/28428775/genomics-reveals-a-unique-clone-of-burkholderia-cenocepacia-harboring-an-actively-excising-novel-genomic-island
#10
Prashant P Patil, Swapna Mali, Samriti Midha, Vikas Gautam, Lona Dash, Sunil Kumar, Jayanthi Shastri, Lipika Singhal, Prabhu B Patil
Burkholderia cenocepacia is a clinically dominant form among the other virulent species of Burkholderia cepacia complex (Bcc). In the present study, we sequenced and analyzed the genomes of seven nosocomial Bcc isolates, five of which were isolated from the bloodstream infections and two isolates were recovered from the hospital setting during the surveillance. Genome-based species identification of the Bcc isolates using a type strain explicitly identified the species as B. cenocepacia. Moreover, single nucleotide polymorphism analysis revealed that the six isolates were clonal and phylogenetically distinct from the other B...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28428361/single-tube-dodecaplex-pcr-panel-of-polymorphic-microsatellite-markers-closely-linked-to-the-dmpk-ctg-repeat-for-preimplantation-genetic-diagnosis-of-myotonic-dystrophy-type-1
#11
Mulias Lian, Mingjue Zhao, Caroline G Lee, Samuel S Chong
BACKGROUND: Preimplantation genetic diagnosis (PGD) of myotonic dystrophy type 1 (DM1) currently uses conventional PCR to detect nonexpanded dystrophia myotonica protein kinase (DMPK) alleles or triplet-primed PCR to detect the CTG-expanded alleles, coupled with analysis of linked microsatellite markers to increase diagnostic accuracy. We aimed to simplify the process of identification and selection of informative linked markers for application to DM1 PGD. METHODS: An in silico search was performed to identify all markers within 1-1...
April 20, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28428308/genome-sequence-of-canine-adenovirus-type-1-isolated-from-a-wolf-canis%C3%A2-lupus-in-southern-italy
#12
Federica Pizzurro, Maurilia Marcacci, Guendalina Zaccaria, Massimiliano Orsini, Francesca Cito, Alfonso Rosamilia, Ludovica Di Renzo, Daniela Malatesta, Daria Di Sabatino, Alessio Lorusso
Canine adenovirus type 1 (CAdV-1), a DNA virus of the family Adenoviridae, causes infectious canine hepatitis, a highly contagious disease primarily affecting canids. In this report, we describe the isolation and whole-genome sequence of a CAdV-1 isolate from the liver of a free-ranging wolf (Canis lupus).
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28428301/whole-genome-sequence-of-corynebacterium-pseudotuberculosis-pa04-isolated-from-the-lymph-node-of-a-sheep-in-the-amazon-brazil
#13
Wana L O Costa, Jorianne T C Alves, Larissa M Dias, Carlos Leonardo de Aragão Araújo, Eziquiel Morais, André G M Silva, Soraya S Andrade, Rommel T J Ramos, Artur Silva, Adriana R C Folador
This study reports the complete genome sequence of Corynebacterium pseudotuberculosis strain PA04, isolated from a sheep in the Amazon, Brazil. This bacterium is the etiological agent of caseous lymphadenitis. This genome contains 2,338,093 bp, 52.2% G+C content, and a total of 2,104 coding sequences (CDSs), 41 pseudogenes, 12 rRNAs, and 49 tRNAs.
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28427933/high-molecular-weight-genomic-dna-mini-prep-for-filamentous-fungi
#14
Mi-Kyung Lee, Hee-Soo Park, Kap-Hoon Han, Seung-Beom Hong, Jae-Hyuk Yu
Purification of high quality genomic DNA (gDNA) from filamentous fungi suitable for whole genome sequencing has previously involved many steps. Here, we report a simple and easy-to-follow mini-preparation protocol for high molecular weight (∼20 kb) gDNA from filamentous fungi including Aspergillus and Eurotium. This comprehensive protocol includes graphic step-by-step instructions for inoculation, homogenization, and purification of gDNA. The most critical step is a thorough 3 ∼ 5 min homogenization of the freeze-dried mycelium using a motorized hand-held homogenizer with a mini spatula inserted...
April 18, 2017: Fungal Genetics and Biology: FG & B
https://www.readbyqxmd.com/read/28427323/detection-of-qtl-for-traits-related-to-adaptation-to-sub-optimal-climatic-conditions-in-chickens
#15
Ching-Yi Lien, Michèle Tixier-Boichard, Shih-Wen Wu, Woei-Fuh Wang, Chen Siang Ng, Chih-Feng Chen
BACKGROUND: Growth traits can be used as indicators of adaptation to sub-optimal conditions. The current study aimed at identifying quantitative trait loci (QTL) that control performance under variable temperature conditions in chickens. METHODS: An F2 population was produced by crossing the Taiwan Country chicken L2 line (selected for body weight, comb area, and egg production) with an experimental line of Rhode Island Red layer R- (selected for low residual feed consumption)...
April 20, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28427244/whole-genome-expression-analyses-of-type-2-diabetes-in-human-skin-reveal-altered-immune-function-and-burden-of-infection
#16
Chun Wu, Xiaopan Chen, Jing Shu, Chun-Ting Lee
Skin disorders are among most common complications associated with type 2 diabetes mellitus (T2DM). Although T2DM patients are known to have increased risk of infections and other T2DM-related skin disorders, their molecular mechanisms are largely unknown. This study aims to identify dysregulated genes and gene networks that are associated with T2DM in human skin. We compared the expression profiles of 56,318 transcribed genes on 74 T2DM cases and 148 gender- age-, and race-matched non-diabetes controls from the Genotype-Tissue Expression (GTEx) database...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426792/no-evidence-for-the-radiation-time-lag-model-after-whole-genome-duplications-in-teleostei
#17
Sacha Laurent, Nicolas Salamin, Marc Robinson-Rechavi
The short and long term effects of polyploidization on the evolutionary fate of lineages is still unclear despite much interest. First recognized in land plants, it has become clear that polyploidization is widespread in eukaryotes, notably at the origin of vertebrates and teleost fishes. Many hypotheses have been proposed to link the species richness of lineages and whole genome duplications. For instance, the radiation time lag model suggests that paleopolyploidy would favour the apparition of new phenotypic traits, although the radiation of the lineage would not occur before a later dispersion event...
2017: PloS One
https://www.readbyqxmd.com/read/28426785/genome-wide-association-studies-identified-multiple-genetic-loci-for-body-size-at-four-growth-stages-in-chinese-holstein-cattle
#18
Xu Zhang, Qin Chu, Gang Guo, Ganghui Dong, Xizhi Li, Qin Zhang, Shengli Zhang, Zhiwu Zhang, Yachun Wang
The growth and maturity of cattle body size affect not only feed efficiency, but also productivity and longevity. Dissecting the genetic architecture of body size is critical for cattle breeding to improve both efficiency and productivity. The volume and weight of body size are indicated by several measurements. Among them, Heart Girth (HG) and Hip Height (HH) are the most important traits. They are widely used as predictors of body weight (BW). Few association studies have been conducted for HG and HH in cattle focusing on single growth stage...
2017: PloS One
https://www.readbyqxmd.com/read/28425484/mycobacterium-tuberculosis-resistance-prediction-and-lineage-classification-from-genome-sequencing-comparison-of-automated-analysis-tools
#19
Viola Schleusener, Claudio U Köser, Patrick Beckert, Stefan Niemann, Silke Feuerriegel
Whole-genome sequencing (WGS) has the potential to accelerate drug-susceptibility testing (DST) to design appropriate regimens for drug-resistant tuberculosis (TB). Several recently developed automated software tools promise to standardize the analysis and interpretation of WGS data. We assessed five tools (CASTB, KvarQ, Mykrobe Predictor TB, PhyResSE, and TBProfiler) with regards to DST and phylogenetic lineage classification, which we compared with phenotypic DST, Sanger sequencing, and traditional typing results for a collection of 91 strains...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424725/a-genome-scale-analysis-of-the-pin-gene-family-reveals-its-functions-in-cotton-fiber-development
#20
Yuzhou Zhang, Peng He, Zuoren Yang, Gai Huang, Limin Wang, Chaoyou Pang, Hui Xiao, Peng Zhao, Jianing Yu, Guanghui Xiao
The PIN-FORMED (PIN) protein, the most important polar auxin transporter, plays a critical role in the distribution of auxin and controls multiple biological processes. However, characterizations and functions of this gene family have not been identified in cotton. Here, we identified the PIN family in Gossypium hirsutum, Gossypium arboreum, and Gossypium raimondii. This gene family was divided into seven subgroups. A chromosomal distribution analysis showed that GhPIN genes were evenly distributed in eight chromosomes and that the whole genome and dispersed duplications were the main duplication events for GhPIN expansion...
2017: Frontiers in Plant Science
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