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https://www.readbyqxmd.com/read/28631116/environmental-factors-and-zoonotic-pathogen-ecology-in-urban-exploiter-species
#1
REVIEW
Jamie L Rothenburger, Chelsea H Himsworth, Nicole M Nemeth, David L Pearl, Claire M Jardine
Knowledge of pathogen ecology, including the impacts of environmental factors on pathogen and host dynamics, is essential for determining the risk that zoonotic pathogens pose to people. This review synthesizes the scientific literature on environmental factors that influence the ecology and epidemiology of zoonotic microparasites (bacteria, viruses and protozoa) in globally invasive urban exploiter wildlife species (i.e., rock doves [Columba livia domestica], European starlings [Sturnus vulgaris], house sparrows [Passer domesticus], Norway rats [Rattus norvegicus], black rats [R...
June 19, 2017: EcoHealth
https://www.readbyqxmd.com/read/28629823/characterization-and-biological-function-analysis-of-the-trim47-gene-from-common-carp-cyprinus-carpio
#2
Yeda Wang, Ming Kuang, Yuanan Lu, Li Lin, Xueqin Liu
The TRIM family protein was known to play an important role in many cellular processes, including potential antiviral activity, which has attracted lots of attention. In this study, a TRIM47 homolog from common carp (Cyprinus carpio) was cloned and the full length coding DNA sequence (CDS) of this gene was analyzed, results showed that there was a 97% similarity between common carp and zebrafish (Danio rerio), but only 18% similarity with that of human (Homo sapiens) and mouse (Mus musculus). The tissue distribution analysis showed TRIM47 had the highest mRNA level in the brain, a few immune related organs such as liver and kidney also had a relatively high level of TRIM47 expression...
June 16, 2017: Gene
https://www.readbyqxmd.com/read/28626946/do-changes-in-gene-expression-contribute-to-sexual-isolation-and-reinforcement-in-the-house-mouse
#3
Etienne Loire, Sergio Tusso, Pierre Caminade, Dany Severac, Pierre Boursot, Guila Ganem, Carole M Smadja
Expression divergence, rather than sequence divergence, has been shown to be important in speciation, particularly in the early stages of divergence of traits involved in reproductive isolation. In the two European subspecies of house mice, Mus musculus musculus and M. m. domesticus, earlier studies have demonstrated olfactory-based assortative mate preference in populations close to their hybrid zone. It has been suggested that this behaviour evolved following the recent secondary contact between the two taxa (~3,000 years ago) in response to selection against hybridisation...
June 19, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28626537/epidemiological-distribution-of-rodents-as-potent-reservoirs-for-infectious-diseases-in-the-provinces-of-mazandaran-gilan-and-golestan-northern-iran
#4
Behzad Esfandiari, Hossein Nahrevanian, Mohammad Reza Pourshafie, Mohammad Mehdi Gouya, Pejvak Khaki, Ehsan Mostafavi, Jamshid Darvish, Hamed Hanifi
Rodents are mammals that comprise more than 2000 species and approximately 30 families. There are many morphological and ecological differences among them as variations in their shape, size, weight and habitat. In addition to significant economic losses, rodents have a major role in the dissemination of infectious diseases caused by viruses, bacteria, parasites or other micro-organisms. Rodents are important reservoirs of diseases which have been observed in many cities of Iran provinces especially along Caspian Sea border to Alborz Mountain...
May 31, 2017: Infectious Disease Reports
https://www.readbyqxmd.com/read/28625475/prediction-of-protein-protein-interactions-by-label-propagation-with-protein-evolutionary-and-chemical-information-derived-from-heterogeneous-network
#5
Yu-Ting Wen, Hai-Jun Lei, Zhu-Hong You, Bai-Ying Lei, Xing Chen, Li-Ping Li
Prediction of protein-protein interactions (PPIs) is of great significance. To achieve this, we propose a novel computational method for PPIs prediction based on a similarity network fusion (SNF) model for integrating the physical and chemical properties of proteins. Specifically, the physical and chemical properties of protein are the protein amino acid mutation rate and its hydrophobicity, respectively. The amino acid mutation rate is extracted using a BLOSUM62 matrix, which puts the protein sequence into block substitution matrix...
June 15, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28622867/evaluation-of-the-involvement-of-mice-mus-musculus-in-the-epidemiology-of-porcine-proliferative-enteropathy
#6
Michelle de P Gabardo, José Paulo H Sato, Amanda Gabriele de S Daniel, Mariana R Andrade, Carlos Eduardo R Pereira, Talita P Rezende, Luísa V Arantes Otoni, Lucas Avelino Rezende, Roberto M C Guedes
The aim of this study was to evaluate the fecal-oral transmission of L. intracellularis between mice and pigs. The study was divided into two parts. The first part aimed to determine whether mice could be infected by feces from pigs that are experimentally infected with L. intracellularis. Thirty-four Swiss mice received L. intracellularis PCR-positive feces from experimentally infected pigs (M1) for four consecutive days. Twelve other mice received swine negative feces (M2). Pools of mice feces were collected on alternating days post-exposure (dpe)...
June 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28620309/inhibition-of-the-trpm2-and-trpv1-channels-through-hypericum-perforatum-in-sciatic-nerve-injury-induced-rats-demonstrates-their-key-role-in-apoptosis-and-mitochondrial-oxidative-stress-of-sciatic-nerve-and-dorsal-root-ganglion
#7
Fuat Uslusoy, Mustafa Nazıroğlu, Bilal Çiğ
Sciatic nerve injury (SNI) results in neuropathic pain, which is characterized by the excessive Ca(2+) entry, reactive oxygen species (ROS) and apoptosis processes although involvement of antioxidant Hypericum perforatum (HP) through TRPM2 and TRPV1 activation has not been clarified on the processes in SNI-induced rat, yet. We investigated the protective property of HP on the processes in the sciatic nerve and dorsal root ganglion neuron (DRGN) of SNI-induced rats. The rats were divided into five groups as control, sham, sham+HP, SNI, and SNI+HP...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28617656/sarcocystis-pantherophis-n-sp-from-eastern-rat-snakes-pantherophis-alleghaniensis-definitive-hosts-and-interferon-gamma-gene-knockout-mice-as-experimental-intermediate-hosts
#8
Shiv Verma, David Lindsay, Joseph Mowery, Benjamin Rosenthal, J P Dubey
Here we report a new species, Sarcocystis pantherophisi n. sp. with the Eastern rat snake (Pantherophis alleghaniensis) as natural definitive host and the interferon gamma gene knockout (KO) mouse as the experimental intermediate host. Sporocysts (n = 15) from intestinal contents of the snake were 17.3 x 10.9 µm. Sporocysts were orally infective to interferon gamma KO mice but not to laboratory raised albino outbred house mice (Mus musculus). The interferon gamma KO mice developed schizont-associated neurological signs and schizonts were cultivated in vitro from the brain...
June 15, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28606738/engineering-high-level-production-of-fatty-alcohols-by-saccharomyces-cerevisiae-from-lignocellulosic-feedstocks
#9
Leo d'Espaux, Amit Ghosh, Weerawat Runguphan, Maren Wehrs, Feng Xu, Oliver Konzock, Ishaan Dev, Melissa Nhan, Jennifer Gin, Amanda Reider Apel, Christopher J Petzold, Seema Singh, Blake A Simmons, Aindrila Mukhopadhyay, Héctor García Martín, Jay D Keasling
Fatty alcohols in the C12-C18 range are used in personal care products, lubricants, and potentially biofuels. These compounds can be produced from the fatty acid pathway by a fatty acid reductase (FAR), yet yields from the preferred industrial host Saccharomyces cerevisiae remain under 2% of the theoretical maximum from glucose. Here we improved titer and yield of fatty alcohols using an approach involving quantitative analysis of protein levels and metabolic flux, engineering enzyme level and localization, pull-push-block engineering of carbon flux, and cofactor balancing...
June 10, 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/28603873/environmental-dna-enables-detection-of-terrestrial-mammals-from-forest-pond-water
#10
Masayuki Ushio, Hisato Fukuda, Toshiki Inoue, Kobayashi Makoto, Osamu Kishida, Keiichi Sato, Koichi Murata, Masato Nikaido, Tetsuya Sado, Yukuto Sato, Masamichi Takeshita, Wataru Iwasaki, Hiroki Yamanaka, Michio Kondoh, Masaki Miya
Terrestrial animals must have frequent contact with water to survive, implying that environmental DNA (eDNA) originating from those animals should be detectable from places containing water in terrestrial ecosystems. Aiming to detect the presence of terrestrial mammals using forest water samples, we applied a set of universal PCR primers (MiMammal, a modified version of fish universal primers) for metabarcoding mammalian eDNA. The versatility of MiMammal primers was tested in silico and by amplifying DNAs extracted from tissues...
June 11, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28600394/tgf-%C3%AE-family-signaling-in-early-vertebrate-development
#11
Joseph Zinski, Benjamin Tajer, Mary C Mullins
TGF-β family ligands function in inducing and patterning many tissues of the early vertebrate embryonic body plan. Nodal signaling is essential for the specification of mesendodermal tissues and the concurrent cellular movements of gastrulation. Bone morphogenetic protein (BMP) signaling patterns tissues along the dorsal-ventral axis and simultaneously directs the cell movements of convergence and extension. After gastrulation, a second wave of Nodal signaling breaks the symmetry between the left and right sides of the embryo...
June 9, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28580184/a-fine-tune-role-of-mir-125a-5p-on-foxn1-during-age-associated-changes-in-the-thymus
#12
Minwen Xu, Olga Sizova, Liefeng Wang, Dong-Ming Su
Decline of transcription factor FoxN1, which predominantly regulates thymic epithelial cell (TEC) differentiation and homeostasis lifelong, is demonstrated to be casually related to age-related thymic involution. Whereas, a global role of microRNAs (miRNAs) has also been demonstrated to control and maintain TEC-constituting thymic microenvironment and to be changed in expression profile in the aged thymus. Therefore, it is urgently necessary to build knowledge regarding whether and which miRNAs regulate FoxN1 gene in the aged thymus...
May 2017: Aging and Disease
https://www.readbyqxmd.com/read/28576872/origin-of-a-rapidly-evolving-homeostatic-control-system-programming-testis-function
#13
Pengli Bu, Shintaro Yagi, Kunio Shiota, Sheik Alam, Jay Vivian, Michael W Wolfe, Mohammad Rumi, Damayanti Chakraborty, Kaiyu Kubota, Pramod Dhakal, Michael Soares
Mammals share common strategies for regulating reproduction, including a conserved hypothalamic-pituitary-gonadal axis yet individual species exhibit differences in reproductive performance. In this report, we describe the discovery of a species-restricted homeostatic control system programming testis growth and function. Prl3c1 is a member of the prolactin gene family and its protein product (PLP-J) was discovered as a uterine cytokine contributing to the establishment of pregnancy. We utilized mouse mutagenesis of Prl3c1 and revealed its involvement in the regulation of the male reproductive axis...
June 2, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28576862/genetics-of-genome-wide-recombination-rate-evolution-in-mice-from-an-isolated-island
#14
Richard J Wang, Bret A Payseur
Recombination rate is a heritable quantitative trait that evolves despite the fundamentally conserved role that recombination plays in meiosis. Differences in recombination rate can alter the landscape of the genome and the genetic diversity of populations. Yet our understanding of the genetic basis of recombination rate evolution in nature remains limited. We used wild house mice (Mus musculus domesticus) from Gough Island (GI), which diverged recently from their mainland counterparts, to characterize the genetics of recombination rate evolution...
June 2, 2017: Genetics
https://www.readbyqxmd.com/read/28575204/analysis-of-copy-number-variation-in-the-abp-gene-regions-of-two-house-mouse-subspecies-suggests-divergence-during-the-gene-family-expansions
#15
Željka Pezer, Amanda G Chung, Robert C Karn, Christina M Laukaitis
The Androgen-binding protein (Abp) gene region of the mouse genome contains 64 genes, some encoding pheromones that influence assortative mating between mice from different subspecies. Using CNVnator and quantitative PCR, we explored copy number variation in this gene family in natural populations of Mus musculus domesticus (Mmd) and M. m. musculus (Mmm), two subspecies of house mice that form a narrow hybrid zone in Central Europe. We found that copy number variation in the center of the Abp gene region is very common in wild Mmd, primarily representing the presence/absence of the final duplications described for the mouse genome...
May 29, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28558948/ultrasonic-assisted-incorporation-of-nano-encapsulated-omega-3-fatty-acids-to-enhance-the-fatty-acid-profile-of-pork-meat
#16
K Shikha Ojha, Camila A Perussello, Carlos Álvarez García, Joseph P Kerry, Daniel Pando, Brijesh K Tiwari
In this study, ultrasound was employed to enhance the diffusion of microencapsulated fatty acids into pork meat. Nanovesicles of fish oil composed of 42% EPA (eicosapentanoic acid) and 16% DHA (docosahexanoic acid) were prepared using two different commercial Pronanosome preparations (Lipo-N and Lipo-CAT; which yield cationic and non-cationic nanovesicles, respectively). The thin film hydration (TFH) methodology was employed for encapsulation. Pork meat (Musculus semitendinosus) was submerged in the nanovesicles suspension and subjected to ultrasound (US) treatment at 25kHz for either 30 or 60min...
May 5, 2017: Meat Science
https://www.readbyqxmd.com/read/28552990/correction-pre-breeding-food-restriction-promotes-the-optimization-of-parental-investment-in-house-mice-mus-musculus
#17
Adam Dušek, Luděk Bartoš, František Sedláček
[This corrects the article DOI: 10.1371/journal.pone.0173985.].
2017: PloS One
https://www.readbyqxmd.com/read/28535865/intraperitoneal-administration-of-ethanol-as-a-means-of-euthanasia-for-neonatal-mice-mus-musculus
#18
Cecilia de Souza Dyer, Angela K Brice, James O Marx
The humane euthanasia of animals in research is of paramount importance. Neonatal mice frequently respond differently to euthanasia agents when compared with adults. The AVMA's Guidelines for the Euthanasia of Animals includes intraperitoneal injection of ethanol as "acceptable with conditions," and recent work confirmed that this method is appropriate for euthanizing adult mice, but neonatal mice have not been tested. To explore this method in neonatal mice, mouse pups (C57BL/6 and CD1, 162 total) were injected with 100% ethanol, a pentobarbital-phenytoin combination, or saline at 7, 14, 21, 28, or 35 d of age...
May 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28534180/the-c-terminal-kinesin-motor-kifc1-may-participate-in-nuclear-reshaping-and-flagellum-formation-during-spermiogenesis-of-larimichthys-crocea
#19
Dan-Dan Zhang, Xin-Ming Gao, Yong-Qiang Zhao, Cong-Cong Hou, Jun-Quan Zhu
Spermatogenesis is a highly ordered process in the differentiation of male germ cells. Nuclear morphogenesis is one of the most fundamental cellular transformations to take place during spermatogenesis. These striking transformations from spermatogonia to spermatozoa are a result of phase-specific adaption of the cytoskeleton and its association with molecular motor proteins. KIFC1 is a C-terminal kinesin motor protein that plays an essential role in acrosome formation and nuclear reshaping during spermiogenesis in mammals...
May 23, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28527269/-first-evidence-of-lymphocytic-choriomeningitis-virus-arenavirus-infection-in-mus-musculus-rodents-captured-in-the-urban-area-of-the-municipality-of-sincelejo-sucre-colombia
#20
Anais Castellar, Marco Guevara, Juan D Rodas, Andrés F Londoño, Esteban Arroyave, Francisco J Díaz, Silvana Levis, Pedro J Blanco
INTRODUCTION: The lymphocytic choriomeningitis virus is an Old World arenavirus that infects Mus musculus, and can cause congenital hydrocephalus, chorioretinitis and multisystemic failure in transplant human recipients. Although the disease has not been clinically diagnosed in Colombia yet, there have been reports of infection with the Pichindé virus in rodents from Cauca and Valle del Cauca departments, and with the Guanarito virus in rodents from Córdoba department. OBJECTIVE: To identify the lymphocytic choriomeningitis virus from Mus musculus captured in the municipality of Sincelejo...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
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