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https://www.readbyqxmd.com/read/28431166/landscape-genetics-of-aedes-mcintoshi-diptera-culicidae-an-important-vector-of-rift-valley-fever-virus-in-northeastern-kenya
#1
Lindsay P Campbell, Alana M Alexander
Rift Valley fever virus (RVFV) is a vector-borne, zoonotic disease that affects humans, wild ungulates, and domesticated livestock in Africa and the Arabian Peninsula. Rift Valley fever virus exhibits interepizootic and epizootic phases, the latter defined by widespread virus occurrence in domesticated livestock. Kenya appears to be particularly vulnerable to epizootics, with 11 outbreaks occurring between 1951 and 2007. The mosquito species Aedes mcintoshi (subgenus Neomelaniconion) is an important primary vector for RVFV in Kenya...
April 18, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28408214/prevalence-and-genotypic-characterization-of-bovine-echinococcus-granulosus-isolates-by-using-cytochrome-oxidase-1-co1-gene-in-hyderabad-pakistan
#2
Muhammad Ehsan, Nasreen Akhter, Bachal Bhutto, Abdullah Arijo, Javaid Ali Gadahi
Cystic echinococcosis is an important zoonotic disease; it has serious impacts on animals as well as human health throughout the world. Genotypic characterization of Echinocossus granulosus (E. granulosus) in buffaloes has not been addressed in Pakistan. Therefore, the present study was conducted to evaluate the incidence and genotypic characterization of bovine E. granulosus. Out of 832 buffaloes examined, 112 (13.46%) were found infected. The favorable site for hydatid cyst development was liver (8.65%) followed by lungs (4...
April 4, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28406914/the-marker-choice-unexpected-resolving-power-of-an-unexplored-co1-region-for-layered-dna-barcoding-approaches
#3
Jessica Rach, Tjard Bergmann, Omid Paknia, Rob DeSalle, Bernd Schierwater, Heike Hadrys
The potential of DNA barcoding approaches to identify single species and characterize species compositions strongly depends on the marker choice. The prominent "Folmer region", a 648 basepair fragment at the 5' end of the mitochondrial CO1 gene, has been traditionally applied as a universal DNA barcoding region for metazoans. In order to find a suitable marker for biomonitoring odonates (dragonflies and damselflies), we here explore a new region of the CO1 gene (CO1B) for DNA barcoding in 51 populations of 23 dragonfly and damselfly species...
2017: PloS One
https://www.readbyqxmd.com/read/28403227/wolbachia-density-changes-seasonally-amongst-populations-of-the-pale-grass-blue-butterfly-zizeeria-maha-lepidoptera-lycaenidae
#4
Takuto Sumi, Kazuki Miura, Takahisa Miyatake
Previous studies showed that the survival rate of Wolbachia decreases under high temperature in incubators. It is also known that a high density of Wolbachia in the host body reduces the host emergence rate, while low densities fail to change reproduction rates. However, few studies have examined the density of Wolbachia in hosts in the field. Here, we focus on Wolbachia infection of the pale grass blue butterfly, Zizeeria maha (Lepidoptera: Lycaenidae), which is distributed throughout the Japanese islands...
2017: PloS One
https://www.readbyqxmd.com/read/28383996/nfe2l2-nrf2-activity-is-linked-to-mitochondria-and-amp-activated-protein-kinase-signaling-in-cancers-through-mir-181c-mitochondria-encoded-cytochrome-c-oxidase-regulation
#5
Kyeong-Ah Jung, Sujin Lee, Mi-Kyoung Kwak
AIMS: The nuclear factor (erythroid-derived 2)-like 2 (NFE2L2; NFE2L2/NRF2) pathway contributes to the environmental resistance of cancers by enhancing the antioxidant capacity. Here, we explored the potential connection between NFE2L2/NRF2 and mitochondrial function in cancers. RESULTS: Global miRNA expression analysis of HT29 and HCT116 human colon cancer cells identified that NFE2L2/NRF2 silencing upregulated miR-181c through nuclear factor-κB signaling, and this increase was associated with the reduction in mitochondria-encoded cytochrome c oxidase subunit-1 (MT-CO1), a catalytic core subunit of the complex IV of the electron transport chain (ETC)...
April 6, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28345704/atomic-layer-deposition-of-nickel-cobalt-spinel-thin-films
#6
D J Hagen, T S Tripathi, M Karppinen
We report the atomic layer deposition (ALD) of high-quality crystalline thin films of the spinel-oxide system (Co1-xNix)3O4. These spinel oxides are ferrimagnetic p-type semiconductors, and promising material candidates for several applications ranging from photovoltaics and spintronics to thermoelectrics. The spinel phase is obtained for Ni contents exceeding the x = 0.33 limit for bulk samples. It is observed that the electrical resistivity decreases continuously with x while the magnetic moment increases up to x = 0...
March 27, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28340301/ten-years-of-barcoding-at-the-african-centre-for-dna-barcoding
#7
Simeon Bezeng Bezeng, T Jonathan Davies, Barnabas H Daru, Ronny Mukala Kabongo, Olivier Maurin, Kowiyou Yessoufou, Herman van der Bank, Michelle Van der Bank
The African Centre for DNA Barcoding (ACDB) was established in 2005 as part of a global initiative to accurately and rapidly survey biodiversity using short DNA sequences. The mitochondrial cytochrome c oxidase 1 gene (CO1) was rapidly adopted as the de facto barcode for animals. Following the evaluation of several candidate loci for plants, the Plant Working Group of the Consortium for the Barcoding of Life in 2009 recommended that the two plastid genes, rbcLa and matK, be adopted as core DNA barcodes for terrestrial plants...
March 24, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28331781/single-crystalline-ultrathin-nickel-cobalt-alloy-nanosheets-array-for-direct-hydrazine-fuel-cells
#8
Guang Feng, Yun Kuang, Pengsong Li, Nana Han, Ming Sun, Guoxin Zhang, Xiaoming Sun
Ultrathin 2D metal alloy nanomaterials have great potential applications but their controlled syntheses are limited to few noble metal based systems. Herein Ni x Co1-x alloy nanosheets with ultrathin (sub-3 nm) single-crystalline 2D structure are synthesized through a topochemical reduction method. Moreover, the optimized composition Ni0.6Co0.4 alloy nanosheets array exhibits excellent performances for hydrazine oxidation reaction and direct hydrazine fuel cells.
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28285509/forensically-important-blow-flies-chrysomya-pinguis-c-villeneuvi-and-lucilia-porphyrina-diptera-calliphoridae-in-a-case-of-human-remains-in-thailand
#9
Tawatchai Monum, Kabkaew L Sukontason, Pongruk Sribanditmongkol, Kom Sukontason, Chutharat Samerjai, Kwankamol Limsopatham, Suttida Suwannayod, Tunwadee Klong-Klaew, Anchalee Wannasan
This is the first study to report Chrysomya pinguis (Walker) and Lucilia porphyrina (Walker) (Diptera: Calliphoridae) as forensically important blow fly species from human cadavers in Thailand, in addition to Chrysomya villeneuvi (Patton) already known in Thailand. In 2016, a fully decomposed body of an unknown adult male was discovered in a high mountainous forest during winter in Chiang Mai province. The remains were infested heavily with thousands of blow fly larvae feeding simultaneously on them. Morphological identification of adults reared from the larvae, and molecular analysis based on sequencing of 1,247 bp partial mitochondrial cytochrome c oxidase subunit 1 gene (CO1) of the larvae and puparia, confirmed the above mentioned 3 species...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28285504/molecular-phylogenetics-of-centrocestus-formosanus-digenea-heterophyidae-originated-from-freshwater-fish-from-chiang-mai-province-thailand
#10
Chalobol Wongsawad, Pheravut Wongsawad, Kom Sukontason, Worawit Maneepitaksanti, Nattawadee Nantarat
This study aimed to investigate the morphology and reconstruct the phylogenetic relationships of Centrocestus formosanus originating from 5 species of freshwater fish, i.e., Esomus metallicus, Puntius brevis, Anabas testudineus, Parambassis siamensis, and Carassius auratus, in Chiang Mai province, Thailand. Sequence-related amplified polymorphism (SRAP) and phylogeny based on internal transcribed spacer 2 (ITS2) and mitochondrial cytochrome c oxidase subunit 1 (CO1) were performed. The results showed similar morphologies of adult C...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28282399/phylogeographic-patterning-among-two-codistributed-shrimp-species-crustacea-decapoda-palaemonidae-reveals-high-levels-of-connectivity-across-biogeographic-regions-along-the-south-african-coast
#11
Louisa E Wood, Sammy De Grave, Savel R Daniels
We compare the genetic structuring and demographic history of two sympatric caridean shrimp species with distinct life history traits, one amphidromous species Palaemon capensis and one marine/estuarine species Palaemon peringueyi, in the historical biogeographical context of South Africa. A total of 103 specimens of P. capensis collected from 12 localities and 217 specimens of P. peringueyi collected from 24 localities were sequenced for the mitochondrial cytochrome oxidase one (CO1) locus. Results from analyses of molecular variance (AMOVA), pairwise ΦST comparisons and haplotype networks demonstrate weak to moderate genetic differentiation in P...
2017: PloS One
https://www.readbyqxmd.com/read/28274285/intra-and-interspecific-genetic-diversity-of-new-zealand-hairworms-nematomorpha
#12
Zachary J C Tobias, Arun K Yadav, Andreas Schmidt-Rhaesa, Robert Poulin
Hairworms (Nematomorpha) are a little-known group of parasites, and despite having been represented in the taxonomic literature for over a century, the implementation of molecular genetics in studies of hairworm ecology and evolution lags behind that of other parasitic taxa. In this study, we characterize the genetic diversity of the New Zealand nematomorph fauna and test for genetic structure within the most widespread species found. We provide new mitochondrial and nuclear ribosomal sequence data for three previously described species from New Zealand: Gordius paranensis, Parachordodes diblastus and Euchordodes nigromaculatus...
March 9, 2017: Parasitology
https://www.readbyqxmd.com/read/28264407/relationships-and-revised-status-of-i-nagathrips-i-thysanoptera-phlaeothripinae
#13
R Varatharajan, T H Johnson, Singh Tarunkumar
The generic name Nagathrips was erected as a sub-genus of Mesothrips for the single species, crenulatus Varatharajan and Singh (2000). Subsequent studies revealed character states that were not included in the original description. These are: prosternal basantra absent; antennal segment III with one slender sense cone, segment IV with three similar sense cones; fore wings parallel-sided with no median constriction. These character states are not found in any species of Mesothrips, a genus of the Tribe Haplothripini (Mound & Minaei 2007), but are typical of members of the Liothrips-lineage (Dang et al...
February 13, 2017: Zootaxa
https://www.readbyqxmd.com/read/28264330/endemic-lake-baikal-sponges-from-deep-water-2-taxonomy-and-bathymetric-distribution
#14
Valeria B Itskovich, Oxana V Kaluzhnaya, Elena Veynberg, Dirk Erpenbeck
Unique samples of deep-water sponges of Lake Baikal were collected between 120 and 1450 m depth and their taxonomy and bathymetric distribution were studied. Based on morphological studies with scanning electron microscopy (SEM) and molecular analyses (CO1, ITS) we describe a new species, Baikalospongia abyssalis sp. nov. Spicule morphology of this new species is similar to Palaeoephydatia sp., a species previously known only from fossils in Late Pliocene (3.2-2.8 mya) sediments. Other sponge samples collected were identified as Baikalospongia intermedia intermedia, B...
February 22, 2017: Zootaxa
https://www.readbyqxmd.com/read/28240388/ultrathin-iron-cobalt-oxide-nanosheets-with-abundant-oxygen-vacancies-for-the-oxygen-evolution-reaction
#15
Linzhou Zhuang, Lei Ge, Yisu Yang, Mengran Li, Yi Jia, Xiangdong Yao, Zhonghua Zhu
Electrochemical water splitting is a promising method for storing light/electrical energy in the form of H2 fuel; however, it is limited by the sluggish anodic oxygen evolution reaction (OER). To improve the accessibility of H2 production, it is necessary to develop an efficient OER catalyst with large surface area, abundant active sites, and good stability, through a low-cost fabrication route. Herein, a facile solution reduction method using NaBH4 as a reductant is developed to prepare iron-cobalt oxide nanosheets (Fex Coy -ONSs) with a large specific surface area (up to 261...
February 27, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28231343/occurrence-of-mitochondrial-co1-pseudogenes-in-neocalanus-plumchrus-crustacea-copepoda-hybridization-indicated-by-recombined-nuclear-mitochondrial-pseudogenes
#16
Ryuji J Machida, Ya-Ying Lin
A portion of the mitochondrial cytochrome c oxidase I gene was sequenced using both genomic DNA and complement DNA from three planktonic copepod Neocalanus species (N. cristatus, N. plumchrus, and N. flemingeri). Small but critical sequence differences in CO1 were observed between gDNA and cDNA from N. plumchrus. Furthermore, careful observation revealed the presence of recombination between sequences in gDNA from N. plumchrus. Moreover, a chimera of the N. cristatus and N. plumchrus sequences was obtained from N...
2017: PloS One
https://www.readbyqxmd.com/read/28224031/first-report-of-tasmanian-sheep-strain-g2-genotype-isolated-from-iranian-goat-using-the-high-resolution-melting-hrm-analysis
#17
Ahmad Hosseini-Safa, Mohammad Ali Mohag Hegh, Nader Pestechian, Maryam Ganji, Rasoul Mohammadi, Reza Mahmoudi Lamouki, Mohammad Rostami-Nejad
AIM: The present study was aimed to evaluate E. granulosus genotypes isolated from goats using HRM analysis in Isfahan province. BACKGROUND: Cystic echincoccosis, so-called hydatidosis, is widespread infection caused by the larval stage of Echinococcus granulosus. This is an important zoonotic disease worldwide, especially in the developing countries such as Iran. To date, molecular studies mainly based on the mitochondrial DNA sequences have identified distinct genotypes termed G1-G10 which can differ in some characteristics such as the growth and infectivity to different intermediate hosts or the survival rate in the definitive hosts that are important for the development of control strategies...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28208064/mitochondrial-genes-are-altered-in-blood-early-in-alzheimer-s-disease
#18
Katie Lunnon, Aoife Keohane, Ruth Pidsley, Stephen Newhouse, Joanna Riddoch-Contreras, Elisabeth B Thubron, Matthew Devall, Hikka Soininen, Iwona Kłoszewska, Patrizia Mecocci, Magda Tsolaki, Bruno Vellas, Leonard Schalkwyk, Richard Dobson, Afshan N Malik, John Powell, Simon Lovestone, Angela Hodges
Although mitochondrial dysfunction is a consistent feature of Alzheimer's disease in the brain and blood, the molecular mechanisms behind these phenomena are unknown. Here we have replicated our previous findings demonstrating reduced expression of nuclear-encoded oxidative phosphorylation (OXPHOS) subunits and subunits required for the translation of mitochondrial-encoded OXPHOS genes in blood from people with Alzheimer's disease and mild cognitive impairment. Interestingly this was accompanied by increased expression of some mitochondrial-encoded OXPHOS genes, namely those residing closest to the transcription start site of the polycistronic heavy chain mitochondrial transcript (MT-ND1, MT-ND2, MT-ATP6, MT-CO1, MT-CO2, MT-C03) and MT-ND6 transcribed from the light chain...
May 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28177040/clinical-pathological-and-molecular-evaluations-and-ct-scan-screening-of-coenurosis-coenurus-cerebralis-in-sheep-and-calves
#19
Abdullah Gazioglu, Sami Simsek, Omer Kizil, Ali Osman Ceribasi, Harun Kaya Kesik, Haroon Ahmed
The aims of this study were to diagnose coenurosis by means of computerized tomography (CT) scan imaging and molecular characterization of the CO1 gene using the polymerase chain reaction (PCR). Sheep and calves were necropsied, and CT scans on the cephalic region were performed on the animals. Sections of brain tissue infected with parasites were then stained with hematoxylin and eosin for microscopic examination. Material collected from brain cysts was fixed in 70% ethanol. PCR amplification was carried out using the CO1 mitochondrial gene...
January 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28126462/exploring-genetic-variation-in-haplotypes-of-the-filariasis-vector-culex-quinquefasciatus-diptera-culicidae-through-dna-barcoding
#20
Chithravel Vadivalagan, Pushparaj Karthika, Kadarkarai Murugan, Chellasamy Panneerselvam, Paola Del Serrone, Giovanni Benelli
Culex quinquefasciatus (Diptera: Culicidae) is a vector of many pathogens and parasites of humans, as well as domestic and wild animals. In urban and semi-urban Asian countries, Cx. quinquefasciatus is a main vector of nematodes causing lymphatic filariasis. In the African region, it vectors the Rift Valley fever virus, while in the USA it transmits West Nile, St. Louis encephalitis and Western equine encephalitis virus. In this study, DNA barcoding was used to explore the genetic variation of Cx. quinquefasciatus populations from 88 geographical regions...
May 2017: Acta Tropica
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