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https://www.readbyqxmd.com/read/29792942/optimisation-of-decontamination-method-and-influence-of-culture-media-on-the-recovery-of-mycobacterium-avium-subspecies-paratuberculosis-from-spiked-water-sediments
#1
G Aboagye, M T Rowe
The recovery of Mycobacterium avium subspecies paratuberculosis (Map) from the environment can be a laborious process - owing to Map being fastidious, its low number, and also high numbers of other microbial populations in such settings. Protocols i.e. filtration, decontamination and modified elution were devised to recover Map from spiked water sediments. Three culture media: Herrold's Egg Yolk Media (HEYM), Middlebrook 7H10 (M-7H10) and Bactec 12B were then employed to grow the organism following its elution...
May 21, 2018: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29788965/diagnostic-tools-of-caprine-and-ovine-anaplasmosis-a-direct-comparative-study
#2
I I Shabana, N M Alhadlag, H Zaraket
BACKGROUND: The diagnosis of anaplasmosis is rather conflicting with other haemoprotozoans. Hence, the study aimed to compare and evaluate the efficiency of competitive ELISA (cELISA), indirect fluorescence antibody (IFA), and Polymerase chain reaction (PCR) for precise diagnosis of Anaplasma spp. and to assess their concordance with microscopic examination (ME). RESULTS: A total of 312 blood samples (189 sheep and 123 goats) were examined for Anaplasma infection during a 1 year period...
May 22, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29784979/pervasive-introgression-facilitated-domestication-and-adaptation-in-the-bos-species-complex
#3
Dong-Dong Wu, Xiang-Dong Ding, Sheng Wang, Jan M Wójcik, Yi Zhang, Małgorzata Tokarska, Yan Li, Ming-Shan Wang, Omar Faruque, Rasmus Nielsen, Qin Zhang, Ya-Ping Zhang
Species of the Bos genus, including taurine cattle, zebu, gayal, gaur, banteng, yak, wisent and bison, have been domesticated at least four times and have been an important source of meat, milk and power for many human cultures. We sequence the genomes of gayal, gaur, banteng, wisent and bison, and provide population genomic sequencing of an additional 98 individuals. We use these data to determine the phylogeny and evolutionary history of these species and show that the threatened gayal is an independent species or subspecies...
May 21, 2018: Nature Ecology & Evolution
https://www.readbyqxmd.com/read/29780266/what-is-a-species-a-new-universal-method-to-measure-differentiation-and-assess-the-taxonomic-rank-of-allopatric-populations-using-continuous-variables
#4
Thomas M Donegan
Existing models for assigning species, subspecies, or no taxonomic rank to populations which are geographically separated from one another were analyzed. This was done by subjecting over 3,000 pairwise comparisons of vocal or biometric data based on birds to a variety of statistical tests that have been proposed as measures of differentiation. One current model which aims to test diagnosability (Isler et al. 1998) is highly conservative, applying a hard cut-off, which excludes from consideration differentiation below diagnosis...
2018: ZooKeys
https://www.readbyqxmd.com/read/29779125/genetic-diversity-and-structure-of-a-rare-endemic-cactus-and-an-assessment-of-its-genetic-relationship-with-a-more-common-congener
#5
Niraj Rayamajhi, Jyotsna Sharma
Endemic, obligate outcrossing plant species with narrow geographic distributions and disjunct populations are prone to loss of genetic diversity. Simultaneously, delineating clear species boundaries is important for targeted conservation efforts. The rare and endemic cactus, Sclerocactus brevihamatus subsp. tobuschii (SBT), has a parapatric relationship with Sclerocactus brevihamatus subsp. brevihamatus (SBB) but genetic distance between the two taxa is unknown. We: (1) developed taxon-specific polymorphic microsatellites, (2) assessed genetic diversity within and among nine populations of SBT, and within one population of SBB, and (3) estimated the genetic relationship between the two subspecies...
May 19, 2018: Genetica
https://www.readbyqxmd.com/read/29778205/immunopathological-changes-and-apparent-recovery-from-infection-revealed-in-cattle-in-an-experimental-model-of-johne-s-disease-using-a-lyophilised-culture-of-mycobacterium-avium-subspecies-paratuberculosis
#6
Douglas J Begg, Karren M Plain, Kumudika de Silva, Ratna Gurung, Alison Gunn, Auriol C Purdie, Richard J Whittington
Johne's disease (JD) or paratuberculosis is an economically significant, chronic enteropathy of ruminants caused by Mycobacterium avium subspecies paratuberculosis (MAP). Experimental models of JD in cattle are logistically challenging due to the need for long term monitoring, because the clinical disease can take years to manifest. Three trials were undertaken, the largest involving 20 cattle exposed orally to a low dose of C strain MAP and 10 controls studied for 4.75 years. Frequent blood and faecal sampling was used to monitor immunological and infection parameters, and intestinal biopsies were performed at two time points during the subclinical disease phase...
June 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29777340/2017-update-of-the-turkish-league-against-rheumatism-tlar-evidence-based-recommendations-for-the-management-of-knee-osteoarthritis
#7
REVIEW
Tiraje Tuncer, Fatih Hasan Cay, Lale Altan, Gulcan Gurer, Cahit Kacar, Suheda Ozcakir, Sahap Atik, Figen Ayhan, Berrin Durmaz, Nurten Eskiyurt, Hakan Genc, Yesim GokceKutsal, Rezzan Gunaydin, Simin Hepguler, Sami Hizmetli, Taciser Kaya, Yesim Kurtais, Merih Saridogan, Dilsad Sindel, Serap Sutbeyaz, Omer Faruk Sendur, Hatice Ugurlu, Zeliha Unlu
In a Turkish League Against Rheumatism (TLAR) project, evidence-based recommendations for the management of knee osteoarthritis (OA) was developed for the first time in our country in 2012 (TLAR-2012). In accordance with developing medical knowledge and scientific evidence, recommendations were updated. The committee was composed of 22 physical medicine and rehabilitation specialists (4 have rheumatology subspeciality also) and an orthopaedic surgeon. Systematic literature search were applied on Pubmed, Embase, Cochrane and Turkish Medical Index for the dates between January the 1st 2012 and January the 29th of 2015...
May 17, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29772750/the-late-embryogenesis-abundant-protein-family-in-cassava-manihot-esculenta-crantz-genome-wide-characterization-and-expression-during-abiotic-stress
#8
Chunlai Wu, Wei Hu, Yan Yan, Weiwei Tie, Zehong Ding, Jianchun Guo, Guangyuan He
Late embryogenesis abundant (LEA) proteins, as a highly diverse group of polypeptides, play an important role in plant adaptation to abiotic stress; however, LEAs from cassava have not been studied in cassava. In this study, 26 LEA members were genome-wide identified from cassava, which were clustered into seven subfamily according to evolutionary relationship, protein motif, and gene structure analyses. Chromosomal location and duplication event analyses suggested that 26 MeLEAs distributed in 10 chromosomes and 11 MeLEA paralogues were subjected to purifying selection...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29770251/review-of-the-neurological-benefits-of-phytocannabinoids
#9
REVIEW
Joseph Maroon, Jeff Bost
Background: Numerous physical, psychological, and emotional benefits have been attributed to marijuana since its first reported use in 2,600 BC in a Chinese pharmacopoeia. The phytocannabinoids, cannabidiol (CBD), and delta-9-tetrahydrocannabinol (Δ9-THC) are the most studied extracts from cannabis sativa subspecies hemp and marijuana. CBD and Δ9-THC interact uniquely with the endocannabinoid system (ECS). Through direct and indirect actions, intrinsic endocannabinoids and plant-based phytocannabinoids modulate and influence a variety of physiological systems influenced by the ECS...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29769048/functional-insights-from-proteome-wide-structural-modeling-of-treponema-pallidum-subspecies-pallidum-the-causative-agent-of-syphilis
#10
Simon Houston, Karen Vivien Lithgow, Kara Krista Osbak, Chris Richard Kenyon, Caroline E Cameron
BACKGROUND: Syphilis continues to be a major global health threat with 11 million new infections each year, and a global burden of 36 million cases. The causative agent of syphilis, Treponema pallidum subspecies pallidum, is a highly virulent bacterium, however the molecular mechanisms underlying T. pallidum pathogenesis remain to be definitively identified. This is due to the fact that T. pallidum is currently uncultivatable, inherently fragile and thus difficult to work with, and phylogenetically distinct with no conventional virulence factor homologs found in other pathogens...
May 16, 2018: BMC Structural Biology
https://www.readbyqxmd.com/read/29768482/sequencing-of-complete-mitochondrial-genomes-confirms-synonymization-of-hyalomma-asiaticum-asiaticum-and-kozlovi-and-advances-phylogenetic-hypotheses-for-the-ixodidae
#11
Zhi-Qiang Liu, Yan-Feng Liu, Nuer Kuermanali, Deng-Feng Wang, Shi-Jun Chen, Hui-Ling Guo, Li Zhao, Jun-Wei Wang, Tao Han, Yuan-Zhi Wang, Jie Wang, Chen-Feng Shen, Zhuang-Zhi Zhang, Chuang-Fu Chen
Phylogeny of hard ticks (Ixodidae) remains unresolved. Mitochondrial genomes (mitogenomes) are increasingly used to resolve phylogenetic controversies, but remain unavailable for the entire large Hyalomma genus. Hyalomma asiaticum is a parasitic tick distributed throughout the Asia. As a result of great morphological variability, two subspecies have been recognised historically; until a morphological data-based synonymization was proposed. However, this hypothesis was never tested using molecular data. Therefore, objectives of this study were to: 1...
2018: PloS One
https://www.readbyqxmd.com/read/29767667/cytotaxonomic-study-of-the-chilean-endemic-complex-alstroemeria-magnifica-herb-alstroemeriaceae
#12
Carlos M Baeza, Víctor Finot, Eduardo Ruiz, Pedro Carrasco, Patricio Novoa, Marcelo Rosas, Oscar Toro-Núñez
Alstroemeria L. (Alstroemeriaceae) represents one of the most diverse genera of vascular plants in Chile. It contains approximately 54 taxa, 40 of which are endemic. The "complex" Alstroemeria magnifica is endemic to Chile, and it comprises four varieties: A. magnifica var. magenta, A. magnifica var. magnifica, A. magnifica var. sierrae, and A. magnifica var. tofoensis. It is distributed from Coquimbo to the Valparaíso Region. We analyzed karyotypes of 10 populations along its natural distribution...
May 14, 2018: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/29765639/structure-and-phylogeography-of-two-tropical-predators-spinner-stenella-longirostris-and-pantropical-spotted-s-attenuata-dolphins-from-snp-data
#13
Matthew S Leslie, Phillip A Morin
Little is known about global patterns of genetic connectivity in pelagic dolphins, including how circumtropical pelagic dolphins spread globally following the rapid and recent radiation of the subfamily delphininae. In this study, we tested phylogeographic hypotheses for two circumtropical species, the spinner dolphin ( Stenella longirostris ) and the pantropical spotted dolphin ( Stenella attenuata ), using more than 3000 nuclear DNA single nucleotide polymorphisms (SNPs) in each species. Analyses for population structure indicated significant genetic differentiation between almost all subspecies and populations in both species...
April 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29761571/frequency-of-shedding-of-respiratory-pathogens-in-horses-recently-imported-to-the-united-states
#14
Fauna Leah Smith, Johanna L Watson, Sharon J Spier, Isabelle Kilcoyne, Samantha Mapes, Claudia Sonder, Nicola Pusterla
BACKGROUND: Imported horses that have undergone recent long distance transport might represent a serious risk for spreading infectious respiratory pathogens into populations of horses. OBJECTIVE: To investigate the frequency of shedding of respiratory pathogens in recently imported horses. ANIMALS: All imported horses with signed owner consent (n = 167) entering a USDA quarantine for contagious equine metritis from October 2014 to June 2016 were enrolled in the study...
May 15, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29760920/serum-lipidomics-of-bovine-paratuberculosis-disruption-of-choline-containing-glycerophospholipids-and-sphingolipids
#15
Paul L Wood, Erdal Erol, Glen F Hoffsis, Margaret Steinman, Jeroen DeBuck
Objectives: Bovine paratuberculosis is a devastating infection with Mycobacterium avium subspecies paratuberculosis that ultimately results in death from malnutrition. While the infection is characterized by a long (2-4 years) subclinical phase with immune activation, ultimately host defense mechanisms fail and the bacteria spread from the small intestine to other organs. Since both the gastrointestinal tract and liver are essential for the biosynthesis of structural glycerophospholipids, we investigated the circulating levels of these lipids in field infections and experimentally infected cattle...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29757430/genome-wide-analysis-of-snps-is-consistent-with-no-domestic-dog-ancestry-in-the-endangered-mexican-wolf-canis-lupus-baileyi
#16
Robert R Fitak, Sarah E Rinkevich, Melanie Culver
The Mexican gray wolf (Canis lupus baileyi) was historically distributed throughout the southwestern United States and northern Mexico. Extensive predator removal campaigns during the early 20th century, however, resulted in its eventual extirpation by the mid 1980s. At this time, the Mexican wolf existed only in 3 separate captive lineages (McBride, Ghost Ranch, and Aragón) descended from 3, 2, and 2 founders, respectively. These lineages were merged in 1995 to increase the available genetic variation, and Mexican wolves were reintroduced into Arizona and New Mexico in 1998...
May 11, 2018: Journal of Heredity
https://www.readbyqxmd.com/read/29755677/sex-specific-differences-in-the-occurrence-of-fusobacterium-nucleatum-subspecies-and-fusobacterium-periodonticum-in-the-oral-cavity
#17
Karsten Henne, Hildegard Schilling, Mark Stoneking, Georg Conrads, Hans-Peter Horz
The periodontitis-associated species Fusobacterium nucleatum (FN) has been implicated in several extra-oral diseases, including preterm birth and colorectal cancer. Due to its genetic and phenotypic heterogeneity, FN is classified in four subspecies which may differ in their disease potential. Here we compared the prevalence of FN subspecies and the close relative F. periodonticum (FP) via 16S rRNA gene analysis in saliva from 100 healthy individuals (60 females, and 40 males) from eleven countries spanning five continents...
April 17, 2018: Oncotarget
https://www.readbyqxmd.com/read/29753477/using-pacbio-sequencing-to-investigate-the-bacterial-microbiota-of-traditional-buryatian-cottage-cheese-and-comparison-with-italian-and-kazakhstan-artisanal-cheeses
#18
Hao Jin, Lanxin Mo, Lin Pan, Qaingchaun Hou, Chuanjuan Li, Iaptueva Darima, Jie Yu
Traditional fermented dairy foods including cottage cheese have been major components of the Buryatia diet for centuries. Buryatian cheeses have maintained not only their unique taste and flavor but also their rich natural lactic acid bacteria (LAB) content. However, relatively few studies have described their microbial communities or explored their potential to serve as LAB resources. In this study, the bacterial microbiota community of 7 traditional artisan cheeses produced by local Buryatian families was investigated using single-molecule, real-time sequencing...
May 9, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29752197/panophthalmitis-caused-by-streptococcus-dysgalactiae-subsp-equisimilis-a-case-report-and-literature-review
#19
Hideharu Hagiya, Takuya Semba, Takeshi Morimoto, Norihisa Yamamoto, Hisao Yoshida, Kazunori Tomono
Lancefield group G β-hemolytic Streptococcus dysgalactiae subspecies equisimilis (SDSE) has become a leading causative pathogen of invasive streptococcal infection. In this report, we describe a case of disseminated SDSE infection complicated by endogenous endophthalmitis, resulting in panophthalmitis and blindness. A 65-year-old man who underwent mitral valve replacement surgery two months previously was hospitalized due to high fever and right visual loss. A systemic investigation revealed endophthalmitis complicated by mediastinal abscess, prosthetic infective endocarditis, cerebral emboli and hemorrhage, and multiple arthritis...
May 8, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29749682/psycho-oncology-overview-obstacles-and-opportunities
#20
Jimmie C Holland
Worldwide, psychological and social issues in cancer were not the subject of scientific inquiry until the past two decades. Since then, a new subspecialty of oncology has evolved, psycho-oncology. It addresses two dimensions of cancer: the emotional responses of patients at all stages of disease, as well as their families and caretakers (psychosocial); and the pyschological, social and behavioral factors that may influence cancer morbidity and mortality (psychobiological). Obstacles to development have been the facts of small numbers of clinicians and investigators worldwide and the few valid assessment instruments and research methods available to the biomedical community...
May 2018: Psycho-oncology
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