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https://www.readbyqxmd.com/read/29134033/a-new-cryptic-lactura-from-texas-lepidoptera-zygaenoidea-lacturidae
#1
Tanner Matson, David L Wagner
A new species of Lactura is described from Texas: Lactura rubritegulasp. n. Identity of the new species can be reliably determined by both larval and adult characters, CO1 haplotypes, and its late-spring period of flight activity. Male genitalic features overlap with those of L. basistriga (Barnes & McDunnough, 1913), whereas female structures differ markedly between the pair. The new Sideroxylon-feeding species, rare in collections, is found principally in limestone areas in the vicinity San Antonio, Texas, westward through the southern Hill Country...
2017: ZooKeys
https://www.readbyqxmd.com/read/29100810/tail-characteristics-of-trypanosoma-brucei-mitochondrial-transcripts-are-developmentally-altered-in-a-transcript-specific-manner
#2
Vahid H Gazestani, Marshall Hampton, Aubie K Shaw, Reza Salavati, Sara L Zimmer
The intricate life cycle of Trypanosoma brucei requires extensive regulation of gene expression levels of the mtRNAs for adaptation. Post-transcriptional gene regulatory programs, including unencoded mtRNA 3' tail additions, potentially play major roles in this adaptation process. Intriguingly, T. brucei mitochondrial transcripts possess two distinct unencoded 3' tails, each with a differing functional role; i.e., while one type is implicated in RNA stability (in-tails), the other type appears associated with translation (ex-tails)...
November 1, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/29074461/comprehensive-phylogeny-of-acariform-mites-acariformes-provides-insights-on-the-origin-of-the-four-legged-mites-eriophyoidea-a-long-branch
#3
Pavel B Klimov, Barry M OConnor, Philipp E Chetverikov, Samuel J Bolton, Amir R Pepato, Abdolazim L Mortazavi, Andrey V Tolstikov, Gary R Bauchan, Ronald Ochoa
Eriophyoid, or four-legged mites, represent a large and ancient radiation of exclusively phytophagous organisms known from the Triassic (230 Mya). Hypothesizing phylogenetic relatedness of Eriophyoidea among mites is a major challenge due to the absence of unambiguous morphological synapomorphies, resulting in ten published hypotheses placing eriophyoids in various places in the acariform tree of life. Here we test the evolutionary relationships of eriophyoids using six genes and a representative taxonomic sampling of acariform mites...
October 23, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29074028/effects-of-fabric-thickness-and-material-on-apparent-wet-conductive-thermal-resistance-of-knitted-fabric-skin-on-sweating-manikins
#4
Faming Wang, Dandan Lai, Wen Shi, Ming Fu
Currently, no published standard and research work have addressed the basic requirements on knitted fabric 'skin' on sweating manikins. In this study, we performed 252 experiments to investigate the influence of fabric thickness and material on the apparent 'wet' conductive (or effective) thermal resistance of the fabric 'skin' using a 'Newton' manikin. Four types of cotton fabric 'skin' (fabric thickness: 0.38, 0.54, 0.92 and 1.43mm) and three types of polyester fabric 'skin' (fabric thickness: 0.41, 0.54 and 1...
December 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29059215/dna-metabarcoding-reveals-diverse-diet-of-the-three-spined-stickleback-in-a-coastal-ecosystem
#5
Eglė Jakubavičiūtė, Ulf Bergström, Johan S Eklöf, Quiterie Haenel, Sarah J Bourlat
The three-spined stickleback (Gasterosteus aculeatus L., hereafter 'stickleback') is a common mesopredatory fish in marine, coastal and freshwater areas. In large parts of the Baltic Sea, stickleback densities have increased >10-fold during the last decades, and it is now one of the dominating fish species both in terms of biomass and effects on lower trophic levels. Still, relatively little is known about its diet-knowledge which is essential to understand the increasing role sticklebacks play in the ecosystem...
2017: PloS One
https://www.readbyqxmd.com/read/29054124/historical-demography-and-colonization-pathways-of-the-widespread-intertidal-seaweed-hormosira-banksii-phaeophyceae-in-southeastern-australia
#6
Rebecca Mueller, Jeffrey T Wright, Christopher J S Bolch
The palaeoceanography of southern Australia has been characterized by fluctuating sea levels during glacial periods, changing temperature regimes and modified boundary currents. Previous studies on genetic structuring of species in southeastern Australia have focused mainly on the differentiation of eastern and western populations while the potential role of Bass Strait as a region of overlap for three biogeographic provinces (Peronia, Maugea, and Flindersia) has been largely ignored. This study aimed to explore the likely roles of historic and contemporary factors in determining divergence patterns in the habitat-forming intertidal seaweed Hormosira banksii in southeastern Australia with a special focus on postglacial dispersal into Bass Strait...
October 20, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/29029146/a-real-time-pcr-assay-for-the-separation-of-autographa-gamma-noctuidae-plusiinae-from-morphologically-similar-species-in-north-america
#7
Luke R Tembrock, Roxanne E Farris, Lisa Ledezma, Norman B Barr, Todd M Gilligan
The silver Y moth, Autographa gamma L. (Noctuidae: Plusiinae), is a pest of major economic importance in its native range of Europe, Asia, and North Africa. Although not present in North America, larvae of A. gamma are commonly intercepted in commodity shipments at U.S. ports, and adult surveys are conducted each year in more than 20 states. Because of the similarity of A. gamma to several native North American species that are attracted to the same pheromone lure, morphological identification of adults is difficult and requires dissection...
September 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29027578/ectopic-expression-of-ugt84a2-delayed-flowering-by-indole-3-butyric-acid-mediated-transcriptional-repression-of-arf6-and-arf8-genes-in-arabidopsis
#8
Gui-Zhi Zhang, Shang-Hui Jin, Pan Li, Xiao-Yi Jiang, Yan-Jie Li, Bing-Kai Hou
Ectopic expression of auxin glycosyltransferase UGT84A2 in Arabidopsis can delay flowering through increased indole-3-butyric acid and suppressed transcription of ARF6, ARF8 and flowering-related genes FT, SOC1, AP1 and LFY. Auxins are critical regulators for plant growth and developmental processes. Auxin homeostasis is thus an important issue for plant biology. Here, we identified an indole-3-butyric acid (IBA)-specific glycosyltransferase, UGT84A2, and characterized its role in Arabidopsis flowering development...
December 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29023077/spermatogenic-and-phylo-molecular-characterizations-of-isolated-fasciola-spp-from-cattle-north-west-iran
#9
Soheila Rouhani, Saber Raeghi, Adel Spotin
BACKGROUND AND OBJECTIVE: Fascioliasis is economically important to the livestock industry that caused with Fasciola hepatica and Fasciola gigantica. The objective of this study was to identify these two species F. hepatica and F. gigantica by using nuclear and mitochondrial markers (ITS1, ND1 and CO1) and have been employed to analyze intraspecific phylogenetic relations of Fasciola spp. MATERIALS AND METHODS: Approximately 150 Fasciola specimens were collected, then stained with haematoxylin-carmine dye and observed under an optical microscope to examine for the existence of sperm...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/28981849/the-genetic-diversity-haplotype-analysis-and-phylogenetic-relationship-of-aedes-albopictus-diptera-culicidae-based-on-the-cytochrome-oxidase-1-marker-a-malaysian-scenario
#10
Nurul-Ain Ismail, Nurul Adilah-Amrannudin, Mayamin Hamsidi, Rodziah Ismail, Nazri Che Dom, Abu Hassan Ahmad, Mohd Fahmi Mastuki, Siti Nazrina Camalxaman
The global expansion of Ae. albopictus from its native range in Southeast Asia has been implicated in the recent emergence of dengue endemicity in Malaysia. Genetic variability studies of Ae. albopictus are currently lacking in the Malaysian setting, yet are crucial to enhancing the existing vector control strategies. The study was conducted to establish the genetic variability of maternally inherited mitochondrial DNA encoding for cytochrome oxidase subunit 1 (CO1) gene in Ae. albopictus. Twelve localities were selected in the Subang Jaya district based on temporal indices utilizing 120 mosquito samples...
November 7, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28974282/morphological-and-genetic-characterization-of-pterygodermatites-paucipectines-zygodontomis-nematoda-rictulariidae-from-necromys-lasiurus-rodentia-sigmodontinae-from-uberl%C3%A3-ndia-brazil
#11
N A Costa, R O Simões, R V Vilela, J G R Souza, S T Cardoso, N O Leiner, R Gentile, A Maldonado
Pterygodermatites (Paucipectines) zygodontomis, a nematode parasite of the small intestine of the rodent Necromys lasiurus, from Uberlândia, Minas Gerais state, Brazil, was analysed by light and scanning electron microscopy. Additionally, phylogenies were inferred from the mitochondrially encoded cytochrome c oxidase I gene (MT-CO1). Details of the helminth surface, such as the oral aperture, cephalic papillae, papillae in the posterior region of the body and longitudinal cuticular elements represented by spine-like projections and fans are presented, adding new taxonomic details...
October 4, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28969654/viral-metagenomics-of-aphids-present-in-bean-and-maize-plots-on-mixed-use-farms-in-kenya-reveals-the-presence-of-three-dicistroviruses-including-a-novel-big-sioux-river-virus-like-dicistrovirus
#12
Francis O Wamonje, George N Michuki, Luke A Braidwood, Joyce N Njuguna, J Musembi Mutuku, Appolinaire Djikeng, Jagger J W Harvey, John P Carr
BACKGROUND: Aphids are major vectors of plant viruses. Common bean (Phaseolus vulgaris L.) and maize (Zea mays L.) are important crops that are vulnerable to aphid herbivory and aphid-transmitted viruses. In East and Central Africa, common bean is frequently intercropped by smallholder farmers to provide fixed nitrogen for cultivation of starch crops such as maize. We used a PCR-based technique to identify aphids prevalent in smallholder bean farms and next generation sequencing shotgun metagenomics to examine the diversity of viruses present in aphids and in maize leaf samples...
October 2, 2017: Virology Journal
https://www.readbyqxmd.com/read/28943930/downregulation-of-cytochrome-c-oxidase-1-induced-radioresistance-in-esophageal-squamous-cell-carcinoma
#13
Tomoko Takesue, Hirofumi Kawakubo, Tetsu Hayashida, Mai Tsutsui, Kazuhiro Miyao, Kazumasa Fukuda, Rieko Nakamura, Tsunehiro Takahashi, Norihito Wada, Hiroya Takeuchi, Yuko Kitagawa
Comprehensive gene screening with transposons is a novel procedure for the systematic identification of resistant genes. The present study aimed to use this technique to identify candidate radioresistant genes in esophageal squamous cell carcinoma. A transposon is a base sequence that can translocate to another location in the genome at random. By inserting the cytomegalovirus promotor as a transcriptional activator in the transposon, the following gene in the new location becomes overexpressed and the gene located at the transposon insertion site is downregulated...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28934788/repeated-ganglion-impar-block-in-a-cohort-of-83-patients-with-chronic-pelvic-and-perineal-pain
#14
Quentin-Come Le Clerc, Thibault Riant, Amelie Levesque, Jean-Jacques Labat, Stephane Ploteau, Roger Robert, Marie-Aimee Perrouin-Verbe, Jerome Rigaud
BACKGROUND: The ganglion impar is the first pelvic ganglion of the efferent sympathetic trunk that relays pelvic and perineal nociceptive messages and therefore constitutes a therapeutic target. OBJECTIVE: The objective of this single-center study was to evaluate the effectiveness of 3 repeated ganglion impar blocks in patients with chronic pelvic and perineal pain on intention-to-treat. STUDY DESIGN: Retrospective single-center study. SETTING: We reviewed the medical records of 83 patients with chronic refractory pelvic and perineal pain...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28885064/araniella-cucurbitina-the-first-molecular-evidence-of-a-palearctic-species-of-genus-araniella-inhabiting-india
#15
Ankita Rajpoot, Ved Prakash Kumar, Archana Bahuguna, Pallab Maity, Dhyanendra Kumar
The present study represents first genetic record of single spider species Araniella cucurbitina, genus Araniella from Uttarakhand, India. There are 12 identified species under Araniella genus and they are distributed in Palearctic region. Here, we used known N = 47 (2 from present study and 45 from GenBank) cytochrome oxidase 1 (CO1) sequences of A. cucurbitina representing seven different geographical groups, additionally 23 sequences of eight Araniella species were used for phylogenetic relationship...
September 8, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28819937/the-presence-of-a5935g-g5949a-g6081a-g6267a-t9540c-mutations-in-mt-co1-and-mt-co3-genes-and-other-variants-of-mt-co1-and-mt-co3-gene-fragments-in-the-study-population-diagnosed-with-endometrial-cancer
#16
Kinga Księżakowska-Łakoma, Dominika Kulczycka-Wojdala, Andrzej Kulig, Marcin Baum, Jacek Radosław Wilczyński
OBJECTIVES: The specific purpose of this study was the assessment of A5935G, G5949A, G6081A, G6267A mutations in MT-CO1 and T9540C in MT-CO3, and alterations detected during the analysis of MT-CO gene fragments in subject and control groups. A secondary aim was to assess the relationship between MT-CO1 and MT-CO3 gene alterations and endometrial cancer incidence and evaluation of the prognostic value of MT-CO1 and MT-CO3 gene alterations. MATERIAL AND METHODS: In this study, we investigated A5935G, G5949A, G6081A, G6267A mutations in MT-CO1 and T9540C in MT-CO3, and alterations detected during the analysis of MT-CO gene fragments in formalin-fixed, paraffin-embedded endometrial and benign endometrial hyperplasia of a cohort of 125 subjects...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28801628/colossal-piezomagnetic-response-in-magnetically-pressed-zr-4-substituted-cobalt-ferrites
#17
Monaji Vinitha Reddy, Abdellah Lisfi, Sabin Pokharel, Dibakar Das
A remarkable 111% increase in magnetostriction (λ) and 435% increase in strain sensitivity (dλ/dH) (compared to normally compacted (NC) unsubstituted CoFe2O4 (CFO)) of Zr(+4) doped CFO sample, Co1.2Zr0.2Fe1.6O4, prepared by magnetic field assisted compaction, have been reported in this study. Magnetic field assisted compaction (MC) has been employed to process Zr-doped cobalt ferrites, Co1+xZrxFe2-2xO4 (0 ≤ × ≤ 0.4), to further improve the magnetoelastic properties. Saturation magnetization (M S ) and coercivity (H C ) increase from ~426 kA/m and ~4...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28782165/atomic-level-insight-into-optimizing-the-hydrogen-evolution-pathway-over-a-co1-n4-single-site-photocatalyst
#18
Yuanjie Cao, Si Chen, Qiquan Luo, Huan Yan, Yue Lin, Wei Liu, Linlin Cao, Junling Lu, Jinlong Yang, Tao Yao, Shiqiang Wei
Knowledge of the photocatalytic H2 evolution mechanism is of great importance for designing active catalysts toward a sustainable energy supply. An atomic-level insight, design, and fabrication of single-site Co1 -N4 composite as a prototypical photocatalyst for efficient H2 production is reported. Correlated atomic characterizations verify that atomically dispersed Co atoms are successfully grafted by covalently forming a Co1 -N4 structure on g-C3 N4 nanosheets by atomic layer deposition. Different from the conventional homolytic or heterolytic pathway, theoretical investigations reveal that the coordinated donor nitrogen increases the electron density and lowers the formation barrier of key Co hydride intermediate, thereby accelerating H-H coupling to facilitate H2 generation...
August 6, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28769697/species-delimitation-of-the-hyphydrus-ovatus-complex-in-western-palaearctic-with-an-update-of-species-distributions-coleoptera-dytiscidae
#19
Johannes Bergsten, Elisabeth Weingartner, Jiří Hájek
The species status of Hyphydrus anatolicus Guignot, 1957 and H. sanctus Sharp, 1882, previously often confused with the widespread H. ovatus (Linnaeus, 1760), are tested with molecular and morphological characters. Cytochrome c oxidase subunit 1 (CO1) was sequenced for 32 specimens of all three species. Gene-trees were inferred with parsimony, time-free bayesian and strict clock bayesian analyses. The GMYC model was used to estimate species limits. All three species were reciprocally monophyletic with CO1 and highly supported...
2017: ZooKeys
https://www.readbyqxmd.com/read/28769685/differentiation-of-three-common-deep-water-hermit-crabs-crustacea-decapoda-anomura-parapaguridae-from-the-south-african-demersal-abundance-surveys-including-the-description-of-a-new-species-of-paragiopagurus-lemaitre-1996
#20
Jannes Landschoff, Rafael Lemaitre
Deep-water hermit crabs of the family Parapaguridae can be abundant (up to 20 kg or 1000 hermit crab individuals per haul) in the trawl bycatch collected during South African demersal abundance research surveys. Until recently, only two parapagurid species had been recognized in the bycatch; Parapagurus bouvieri Stebbing, 1910, and Sympagurus dimorphus (Studer, 1883). Detailed examination of numerous samples of parapagurid specimens from research surveys revealed the existence of a third, undescribed species previously confounded with S...
2017: ZooKeys
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