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https://www.readbyqxmd.com/read/28811658/political-pressures-increased-vulnerability-to-climate-hazards-for-nomadic-livestock-in-inner-mongolia-china
#1
Ang Li, Shi Chen, Xueyao Zhang, Jianhui Huang
Herders in Inner Mongolia experienced two completely different political periods during their last nomadic period between 1961 and 1986. However, climate and technical factors were very similar between these two periods according to statistical analyses. We retrieved historical climate and livestock population data and performed a retrospective study using generalized additive models to analyze three major livestock population demographic metrics changes between these two periods. We found that the sociopolitical factors significantly impacted all three major demographic metrics (adult mortality, neonatal mortality and birthrate) between the two periods for both large (cattle, horse, and camel) and small livestock (sheep and goat)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28804604/why-whey-camel-whey-protein-as-a-new-dietary-approach-to-the-management-of-free-radicals-and-for-the-treatment-of-different-health-disorders
#2
REVIEW
Gamal Badr, Nancy K Ramadan, Leila H Sayed, Badr M Badr, Hossam M Omar, Zeliha Selamoglu
The balance between free radicals and antioxidants is an important factor for maintaining health and slowing disease progression. The use of antioxidants, particularly natural antioxidants, has become an important strategy for dealing with this cause of widespread diseases. Natural antioxidants have been used as therapeutic tools against many diseases because they are safe, effective, and inexpensive and are among the most commonly used adjuvants in the treatment of several diseases. Camel whey protein (CWP) is considered a strong natural antioxidant because it decreases oxidative stress, enhances immune system function, and increases glutathione levels...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28802113/l-carnitine-enhances-oocyte-maturation-and-improves-in%C3%A2-vitro-development-of-embryos-in-dromedary-camels-camelus-dromedaries
#3
Mohamed Fathi, K H El-Shahat
The aim of the present study was to investigate the effect of L-carnitine (LC) addition during either IVM or IVC on the developmental potential of camel oocytes. In Experiment 1; camel oocytes were matured in the absence (control) or presence of different concentrations of LC (0.25 mg, 0.5 mg, 0.75 mg and 1 mg/ml) for 30 h followed by in vitro fertilization and culture up to blastocyst stage. Our results demonstrated that oocytes treated with 0.5 mg/ml LC showed higher (P < 0.05) rates of maturation (74...
August 4, 2017: Theriogenology
https://www.readbyqxmd.com/read/28801955/single-layer-centrifugation-of-fresh-dromedary-camel-semen-improves-sperm-quality-and-in-vitro-fertilization-capacity-compared-with-simple-sperm-washing
#4
C Malo, E G Crichton, J M Morrell, B S Pukazhenthi, J A Skidmore
Single layer centrifugation (SLC) through a colloid is a tool for selecting viable mammalian spermatozoa but has not been used previously for fresh dromedary camel sperm. Semen from six camels (2 ejaculates/male) was diluted 1:5 (v:v) or 1:10 (v:v) in a Tris-citrate-fructose buffer for mechanical liquefaction by gentle pipetting. Following liquefaction, semen was processed either by SLC or by centrifugation without a colloid (control). Total and progressive motilities, CASA kinematics, vitality and acrosome integrity (eosin-nigrosin) and plasma membrane integrity (Hypo-osmotic swelling test; HOST), and fertilizing ability in a heterologous assay (zona-free goat oocytes) were evaluated...
August 12, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28797792/specific-status-of-echinococcus-canadensis-cestoda-taeniidae-inferred-from-nuclear-and-mitochondrial-gene-sequences
#5
Tetsuya Yanagida, Antti Lavikainen, Eric P Hoberg, Sergey Konyaev, Akira Ito, Marcello Otake Sato, Vladimir A Zaikov, Kimberlee Beckmen, Minoru Nakao
The specific status of Echinococcus canadensis has long been controversial, mainly because it consists of the mitochondrial lineages G6, G7, G8 and G10 with different host affinity: G6 (camel strain) and G7 (pig strain) with domestic cycles and G8 (cervid strain) and G10 (Fennoscandian cervid strain) with sylvatic or semi-domestic cycles. There is an argument whether the mitochondrial lineages should be recognised as separate species which correspond to the biological or epidemiological aggregation. In the present study, the specific status of E...
August 7, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28780151/genetic-differentiation-of-the-g6-7-cluster-of-echinococcus-canadensis-based-on-mitochondrial-marker-genes
#6
Francis Addy, Marion Wassermann, Dorothy Kagendo, Dennis Ebi, Eberhard Zeyhle, Ibrahim E Elmahdi, Gerald Umhang, Adriano Casulli, Majid F Harandi, Ortwin Aschenborn, Peter Kern, Ute Mackenstedt, Thomas Romig
Among the genotype/species causing cystic echinococcosis, the taxonomic status of Echinococcus canadensis is only partially resolved. Within E. canadensis, four genotypes (G6, G7, G8 and G10) have been described based on short mitochondrial sequences, of which G6 and G7 (the 'camel' and the 'pig' strain, respectively) are closely related and variously regarded as microvariants of a single strain G6/7. Globally, this G6/7 cluster is the second most important agent of human cystic echinococcosis and is the predominant Echinococcus taxon in large parts of sub-Saharan Africa...
August 3, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28774342/crimean-congo-hemorrhagic-fever-among-the-one-humped-camel-camelus-dromedaries-in-central-sudan
#7
Hajer M Suliman, Ibrahim A Adam, Shamseldin I Saeed, Sanaa A Abdelaziz, Eltahir M Haroun, Imadeldin E Aradaib
BACKGROUND: Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne viral zoonotic disease caused by Crimean-Congo hemorrhagic fever virus (CCHFV), a member of the genus Nairovirus in the family Bunyaviridae. CCHF is typically asymptomatic in animals but can be highly fatal in humans approaching case fatality rate of approximately 30%. In the present investigation, a cross sectional study was conducted to determine the prevalence of CCHF and to identify the potential risk factors associated with CCHFV seropositivity among the one-humped camel (Camelus dromedaries) in Central Sudan...
August 3, 2017: Virology Journal
https://www.readbyqxmd.com/read/28772248/evaluating-the-utility-of-subjective-effects-measures-for-predicting-product-sampling-enrollment-and-retention-in-a-clinical-trial-of-a-smokeless-tobacco-product
#8
Richard J O'Connor, Bruce R Lindgren, Liane M Schneller, Peter G Shields, Dorothy K Hatsukami
INTRODUCTION: Subjective effects of drugs, representing pharmacological and non-pharmacological effects, have been shown to be associated with future use and abuse. This also is the case for tobacco products and so measuring subjective effects, such as liking, satisfaction, and aversion, is crucial to gaining an understanding of consumer perception leading to increased use. This study examined the predictive validity of subjective drug and product effects with respect to product adoption...
July 14, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28769010/comparative-genomic-analysis-mers-cov-isolated-from-humans-and-camels-with-special-reference-to-virus-encoded-helicase
#9
Mohamed Alnazawi, Abdallah Altaher, Mahmoud Kandeel
Middle East Respiratory Syndrome Coronavirus (MERS CoV) is a new emerging viral disease characterized by high fatality rate. Understanding MERS CoV genetic aspects and codon usage pattern is important to understand MERS CoV survival, adaptation, evolution, resistance to innate immunity, and help in finding the unique aspects of the virus for future drug discovery experiments. In this work, we provide comprehensive analysis of 238 MERS CoV full genomes comprised of human (hMERS) and camel (cMERS) isolates of the virus...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28762296/current-nutritional-approaches-in-managing-autism-spectrum-disorder-a-review
#10
Hande Cekici, Nevin Sanlier
The link between nutrition and autism spectrum disorder (ASD), which is a complex developmental disorder manifesting itself in significant delays or deviation in interaction and communication, has provided a fresh point of view and signals that nutrition may have a role in the aetiology of ASD, as well as play an active role in treatment by alleviating symptoms. OBJECTIVE: In this review study aimed at evaluating, with scientific and concrete proof, the current medical nutrition implementations on ASD, existing medical nutrition therapies have been addressed and their effects on ASD symptoms have been discussed in light of current research...
August 1, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28762002/development-of-a-bifunctional-xylanase-cellulase-chimera-with-enhanced-activity-on-rice-and-barley-straws-using-a-modular-xylanase-and-an-endoglucanase-procured-from-camel-rumen-metagenome
#11
Kamran Khalili Ghadikolaei, Kambiz Akbari Noghabi, Hossein Shahbani Zahiri
The camel rumen metagenome is an untapped source of glycoside hydrolases. In this study, novel genes encoding for a modular xylanase (XylC) and a cellulase (CelC) were isolated from a camel rumen metagenome and expressed in Escherichia coli BL21 (DE3). XylC with xylanase (Xyn), CBM, and carbohydrate esterase (CE) domains was characterized as a β-1,4-endoxylanase with remarkable catalytic activity on oat-spelt xylan (K cat = 2919 ± 57 s(-1)). The implication of XylC's modular structure in its high catalytic activity was analyzed by truncation and fusion construction with CelC...
August 1, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28756544/retro-analog-concept-comparative-study-on-physico-chemical-and-biological-properties-of-selected-antimicrobial-peptides
#12
Damian Neubauer, Maciej Jaśkiewicz, Dorian Migoń, Marta Bauer, Karol Sikora, Emilia Sikorska, Elżbieta Kamysz, Wojciech Kamysz
Increasing drug resistance of common pathogens urgently needs discovery of new effective molecules. Antimicrobial peptides are believed to be one of the possible solutions of this problem. One of the approaches for improvement of biological properties is reversion of the sequence (retro analog concept). This research is based on investigation of antimicrobial activity against Gram-positive, Gram-negative bacteria, and fungi, hemolysis of erythrocytes, interpretation of the circular dichroism spectra, measurement of counter-ion content, and assessment of the peptide hydrophobicity and self-assembly using reversed-phase chromatography...
July 29, 2017: Amino Acids
https://www.readbyqxmd.com/read/28755944/health-promoting-benefits-of-low-fat-akawi-cheese-made-by-exopolysaccharide-producing-probiotic-lactobacillus-plantarum-isolated-from-camel-milk
#13
Ayesha S Al-Dhaheri, Reem Al-Hemeiri, Jaleel Kizhakkayil, Anas Al-Nabulsi, Aisha Abushelaibi, Nagendra P Shah, Mutamed Ayyash
Lactic acid bacteria isolated from camel milk exhibit remarkable probiotic and exopolysaccharide (EPS)-producing characteristics. The health-promoting benefits of exopolysaccharide-producing probiotic Lactobacillus plantarum isolated from camel milk used for making low-fat akawi cheese were investigated. Three low-fat akawi cheeses were made using traditional culture (non-EPS-producing, EPS(-)), commercial EPS-producing (MEPS(+)), and camel milk EPS-producing (CEPS(+)) cultures. α-Amylase and α-glucosidase inhibitory activities, antioxidant activities, angiotensin-converting enzyme (ACE) inhibition, and antiproliferative activity were determined...
July 26, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28755368/expression-biochemistry-and-stabilization-with-camel-antibodies-of-membrane-proteins-case-study-of-the-mouse-5-ht3-receptor
#14
Ghérici Hassaïne, Cédric Deluz, Luigino Grasso, Romain Wyss, Ruud Hovius, Henning Stahlberg, Takashi Tomizaki, Aline Desmyter, Christophe Moreau, Lucie Peclinovska, Sonja Minniberger, Lamia Mebarki, Xiao-Dan Li, Horst Vogel, Hugues Nury
There is growing interest in the use of mammalian protein expression systems, and in the use of antibody-derived chaperones, for structural studies. Here, we describe protocols ranging from the production of recombinant membrane proteins in stable inducible cell lines to biophysical characterization of purified membrane proteins in complex with llama antibody domains. These protocols were used to solve the structure of the mouse 5-HT3 serotonin receptor but are of broad applicability for crystallization or cryo-electron microscopy projects...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28753519/enantioselectivity-of-anteiso-fatty-acids-in-hitherto-uninspected-sample-matrices
#15
Dorothee Eibler, Carolin Seyfried, Walter Vetter
Anteiso-fatty acids (aFAs) are chiral molecules due to a methyl substituent on the antepenultimate carbon of the otherwise straight acyl chain. 12-Methyltetradecanoic acid (a15:0) and 14-methylhexadecanoic acid (a17:0) are the predominant aFAs in nature but their individual contributions e.g. to food lipids are usually low. Enantioselective data has been collected in fish, bovine milk/cheese, and Brussels sprouts. In this study, we determined the enantioselectivity of a15:0 and a17:0 in shea butter, moose and camel milk, two soil samples and mold (collected from contaminated cheese)...
July 20, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28750938/impact-of-cryopreservation-method-on-dromedary-camel-ovary-structure-viability-and-development-of-antral-follicular-oocytes
#16
M M Madboly, E S Abdel-Aal, Eitedal H Elsayed
The objectives of this study were, a) to compare two different vitrification techniques, the solid surface vitrification (SSV) and direct vitrification (DV) method, b) to evaluate the effect of four cryoprotectant agents and their toxicity on the morphological appearance and ultrastructural of camel ovarian cortex, c) to examine the development of oocytes recovered from the vitrified ovarian cortex. Fragments of ovarian cortex were exposed to equilibration solution consisting of TCM- 199 with 10% fetal camel serum (FCS); 0...
July 19, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28747502/permissivity-of-dpp4-orthologs-to-mers-coronavirus-is-governed-by-glycosylation-and-other-complex-determinants
#17
Kayla M Peck, Trevor Scobey, Jesica Swanstrom, Kara L Jensen, Christina L Burch, Ralph S Baric, Mark T Heise
Middle East respiratory syndrome coronavirus (MERS-CoV) utilizes dipeptidyl peptidase 4 (DPP4) as an entry receptor. While bat, camel, and human DPP4 support MERS-CoV infection, several DPP4 orthologs, including mouse, ferret, hamster, and guinea pig, do not. Previous work revealed that glycosylation of mouse DPP4 plays a role in blocking MERS-CoV infection. Here, we test whether glycosylation also acts as a determinant of permissivity for ferret, hamster, and guinea pig DPP4. We find that while glycosylation plays an important role in these orthologs, additional sequence and structural determinants impact their ability to act as functional receptors for MERS-CoV...
July 26, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28736540/dutch-cantonese-bilinguals-show-segmental-processing-during-sinitic-language-production
#18
Kalinka Timmer, Yiya Chen
This study addressed the debate on the primacy of syllable vs. segment (i.e., phoneme) as a functional unit of phonological encoding in syllabic languages by investigating both behavioral and neural responses of Dutch-Cantonese (DC) bilinguals in a color-object picture naming task. Specifically, we investigated whether DC bilinguals exhibit the phonemic processing strategy, evident in monolingual Dutch speakers, during planning of their Cantonese speech production. Participants named the color of colored line-drawings in Cantonese faster when color and object matched in the first segment than when they were mismatched (e...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28728926/diagnostic-delays-in-537-symptomatic-cases-of-middle-east-respiratory-syndrome-coronavirus-infection-in-saudi-arabia
#19
Anwar E Ahmed
BACKGROUND: Although the literature indicates that patient delays in seeking medical support for Middle East respiratory syndrome coronavirus (MERS-CoV) infections are associated with poor clinical outcomes, delays in the diagnosis itself remain poorly understood in these patients. This study aimed to determine the median time interval from symptom onset to a confirmed diagnosis and to identify the potential predictors of this interval in Saudi Arabian MERS patients. METHODS: This was a retrospective study of patients with confirmed MERS who were publicly reported by the World Health Organization (WHO)...
July 17, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28719257/no-serologic-evidence-of-middle-east-respiratory-syndrome-coronavirus-infection-among-camel-farmers-exposed-to-highly-seropositive-camel-herds-a-household-linked-study-kenya-2013
#20
Peninah Munyua, Victor Max Corman, Austine Bitek, Eric Osoro, Benjamin Meyer, Marcel A Müller, Erik Lattwein, S M Thumbi, Rees Murithi, Marc-Alain Widdowson, Christian Drosten, M Kariuki Njenga
AbstractHigh seroprevalence of Middle East respiratory syndrome coronavirus (MERS-CoV) among camels has been reported in Kenya and other countries in Africa. To date, the only report of MERS-CoV seropositivity among humans in Kenya is of two livestock keepers with no known contact with camels. We assessed whether persons exposed to seropositive camels at household level had serological evidence of infection. In 2013, 760 human and 879 camel sera were collected from 275 and 85 households respectively in Marsabit County...
June 2017: American Journal of Tropical Medicine and Hygiene
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