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https://www.readbyqxmd.com/read/28430018/characterization-of-canna-yellow-mottle-virus-in-a-new-host-alpinia-purpurata-in-hawaii
#1
Jingxin Zhang, Kishore K Dey, Birun Lin, Wayne B Borth, Michael J Melzer, Diane Sether, Yanan Wang, I-Chin Wang, Huifang Shen, Xiaoming Pu, Dayuan Sun, John S Hu
Canna yellow mottle virus (CaYMV) is an important badnavirus infecting Canna spp. worldwide. This is the first report of CaYMV in flowering ginger (Alpinia purpurata) in Hawaii, where it is associated with yellow mottling and necrosis of leaves, vein streaking, and stunted plants. We have sequenced CaYMV in A. purpurata (CaYMV-Ap) using a combination of next-generation sequencing and traditional Sanger sequencing techniques. The complete genome of CaYMV-Ap was 7,120 bp with an organization typical of other Badnavirus species...
April 21, 2017: Phytopathology
https://www.readbyqxmd.com/read/28422969/a-new-species-of-tometes-valenciennes-1850-characiformes-serrasalmidae-from-tocantins-araguaia-river-basin-based-on-integrative-analysis-of-molecular-and-morphological-data
#2
Marcelo C Andrade, Valéria N Machado, Michel Jégu, Izeni P Farias, Tommaso Giarrizzo
A new large serrasalmid species of Tometes is described from the Tocantins-Araguaia River Basin. Tometes siderocarajensis sp. nov. is currently found in the rapids of the Itacaiúnas River Basin, and formerly inhabited the lower Tocantins River. The new species can be distinguished from all congeners, except from T. ancylorhynchus, by the presence of lateral space between 1st and 2nd premaxillary teeth, and by the absence of lateral cusps in these two teeth. However, T. siderocarajensis sp. nov. can be differentiated from syntopic congener T...
2017: PloS One
https://www.readbyqxmd.com/read/28419598/biological-traits-rather-than-environment-shape-detection-curves-of-large-vertebrates-in-neotropical-rainforests
#3
Thomas Denis, Cécile Richard-Hansen, Olivier Brunaux, Marie-Pierre Etienne, Stéphane Guitet, Bruno Hérault
Line transect surveys are widely used in neotropical rainforests to estimate the population abundance of medium- and large-sized vertebrates. The use of indices such as Encounter Rate has been criticized because the probability of animal detection may fluctuate due to the heterogeneity of environmental conditions among sites. In addition, the morphological and behavioral characteristics (biological traits) of species affect their detectability. In this study, we compared the extent to which environmental conditions and species' biological traits bias abundance estimates in terra firme rainforests in French Guiana...
April 17, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28418539/ophthalmic-manifestations-of-congenital-zika-syndrome-in-colombia-and-venezuela
#4
Juan B Yepez, Felipe A Murati, Michele Pettito, Carlos F Peñaranda, Jazmin de Yepez, Gladys Maestre, J Fernando Arevalo
Importance: The ocular manifestations and sequelae of Zika virus infection are not well known. Recently, the World Health Organization changed the declaration of Zika as a public health emergency and designated the viral outbreak and related microcephaly clusters as a long-term program of work. This change indicates the urgent need to evaluate and document ophthalmic manifestations in patients for timely management of this disease. In addition, confirmation whether the public health problem in Brazil extends to other regions in South America is needed...
April 13, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28400775/in-silico-mcmv-silencing-concludes-potential-host-derived-mirnas-in-maize
#5
Muhammad Shahzad Iqbal, Basit Jabbar, Muhammad Nauman Sharif, Qurban Ali, Tayyab Husnain, Idrees A Nasir
Maize Chlorotic Mottle Virus (MCMV) is a deleterious pathogen which causes Maize Lethal Necrosis Disease (MLND) that results in substantial yield loss of Maize crop worldwide. The positive-sense RNA genome of MCMV (4.4 kb) encodes six proteins: P32 (32 kDa protein), RNA dependent RNA polymerases (P50 and P111), P31 (31 kDa protein), P7 (7 kDa protein), coat protein (25 kDa). P31, P7 and coat protein are encoded from sgRNA1, located at the 3'end of the genome and sgRNA2 is located at the extremity of the 3'genome end...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28396285/a-new-widespread-emaravirus-discovered-in-blackberry
#6
Mohamed Hassan, Patrick L Di Bello, Karen E Keller, Robert R Martin, Sead Sabanadzovic, Ioannis E Tzanetakis
A new virus was identified in blackberry plants exhibiting leaf mottling, chlorotic ringspots and curved midribs, symptoms associated with blackberry yellow vein disease (BYVD). The genome of the new virus, provisionally named blackberry leaf mottle-associated virus (BLMaV), was characterized and phylogenetic analysis revealed its close relationship to recognized members of the genus Emaravirus. BLMaV was transmitted by a yet to be described eriophyid mite species, further reinforcing its placement in the genus...
April 8, 2017: Virus Research
https://www.readbyqxmd.com/read/28395299/multimodal-fundus-imaging-of-sodium-iodate-treated-mice-informs-rpe-susceptibility-and-origins-of-increased-fundus-autofluorescence
#7
Jin Zhao, Hye Jin Kim, Janet R Sparrow
Purpose: By multimodal imaging, and the use of mouse and in vitro models, we have addressed changes in fundus autofluorescence (488 and 790 nm) and observed interactions between the photooxidative stress imposed by RPE bisretinoid lipofuscin and the oxidative impact of systemic sodium iodate (NaIO3). Methods: Abca4-/-, wild-type, and Rpe65rd12 mice were given systemic injections of NaIO3 (30 mg/kg). Analysis included noninvasive imaging of fundus autofluorescence (short-wavelength [SW-AF]; near-infrared excitation [NIR-AF]), quantitative fundus AF (qAF; 488 nm); light microscopy, RPE flat-mounts and measurements of outer nuclear layer (ONL) thickness...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28394689/underlying-adenocarcinoma-of-the-lung-metastasizing-to-the-proximal-phalanx-of-the-foot-causing-complex-regional-pain-syndromea-case-report
#8
Sam Bazrafshan, Maria Pacheco, Julio C Ortiz
We report an unusual case of adenocarcinoma of the lung metastasizing to the proximal phalanx of the third digit in a 56-year-old woman with overlying complex regional pain syndrome. The patient was initially treated for neuroma, fracture, and neuropathic pain with no improvement over a 4-month period before presenting to the emergency department for left third digit pain. Radiographic imaging showed substantial osteopenia and mottling; magnetic resonance imaging demonstrated an aggressive lesion to the proximal phalanx...
March 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28378935/the-pathogenic-development-of-sclerotinia-sclerotiorum-in-soybean-requires-specific-host-nadph-oxidases
#9
Ashish Ranjan, Dhileepkumar Jayaraman, Craig Grau, John H Hill, Steven A Whitham, Jean-Michel Ané, Damon L Smith, Mehdi Kabbage
The plant membrane localized NADPH oxidases, also known as respiratory burst oxidase homologs (RBOHs), play crucial roles in various cellular activities including plant disease responses, and are a major source of reactive oxygen species (ROS). Sclerotinia sclerotiorum is a cosmopolitan fungal pathogen that causes Sclerotinia stem rot (SSR) in soybean. Via a key virulence factor, oxalic acid, it induces programmed cell death (PCD) in the host plant, a process that is reliant on ROS generation. In this study, using protein sequence similarity searches, we have identified seventeen soybean RBOHs (GmRBOHs) and studied their contribution to SSR disease development, drought tolerance and nodulation...
April 5, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28356412/dynamic-masquerade-with-morphing-three-dimensional-skin-in-cuttlefish
#10
Deanna Panetta, Kendra Buresch, Roger T Hanlon
Masquerade is a defence tactic in which a prey resembles an inedible or inanimate object thus causing predators to misclassify it. Most masquerade colour patterns are static although some species adopt postures or behaviours to enhance the effect. Dynamic masquerade in which the colour pattern can be changed is rare. Here we report a two-step sensory process that enables an additional novel capability known only in cuttlefish and octopus: morphing three-dimensional physical skin texture that further enhances the optical illusions created by coloured skin patterns...
March 2017: Biology Letters
https://www.readbyqxmd.com/read/28342034/molecular-characterization-of-a-new-begomovirus-infecting-mirabilis-jalapa-in-northern-india
#11
Aditya Kulshreshtha, Poonam Roshan, Dolly Sharma, Vipin Hallan
Begomoviruses are whitefly-transmitted single-stranded DNA viruses that are responsible for considerable economic losses. A begomovirus, alphasatellite and betasatellite were characterized in a Mirabilis jalapa plant exhibiting severe leaf curling and mottling symptoms. The complete viral genome shared highest sequence identity of 87% with pedilanthus leaf curl virus (AM712436), reported from Pakistan. Additionally, the viral genome was 84% identical to that of chilli leaf curl India virus (KX951415) and 83% identical to that of tobacco curly shoot virus (GU1999584), which were previously reported to infect M...
March 24, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28336589/first-complete-genome-sequence-of-cucumber-green-mottle-mosaic-virus-isolated-from-australia
#12
Monica A Kehoe, Roger A C Jones, Brenda A Coutts
We present here the first complete genome sequence of the tobamovirus Cucumber green mottle mosaic virus (CGMMV) from Australia, obtained from an infected cucumber plant. Compared with other CGMMV genomes, its closest nucleotide identities were 99.6% to KP772568, 99.3% to KF155229, and 99.1% to DQ767631 from Canada, Israel, and India, respectively.
March 23, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28329614/dyschromatosis-universalis-hereditaria-report-of-six-cases-from-a-family
#13
Swapan Kumar Sardar, Anupam Das, Debabrata Bandyopadhyay Bandyopadhyay
Dyschromatosis universalis hereditaria (DUH) is a rare pigmentary disorder characterized by the presence of mottled hyperpigmented and hypopigmented macules over the trunk, extremities, and face. We have presented a case series comprised of six members of a family who had numerous hyperpigmented and hypopigmented macules distributed all over the body. Histological findings were suggestive of dyschromatosis universalis hereditaria.
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28320287/subcellular-localization-and-detection-of-tobacco-mosaic-virus-orf6-protein-by-immunoelectron-microscopy
#14
T N Erokhina, E A Lazareva, K R Richert-Pöggeler, E V Sheval, A G Solovyev, S Y Morozov
Members of the genus Tobamovirus represent one of the best-characterized groups of plant positive, single stranded RNA viruses. Previous studies have shown that genomes of some tobamoviruses contain not only genes coding for coat protein, movement protein, and the cistron coding for different domains of RNA-polymerase, but also a gene, named ORF6, coding for a poorly conserved small protein. The amino acid sequences of ORF6 proteins encoded by different tobamoviruses are highly divergent. The potential role of ORF6 proteins in replication of tobamoviruses still needs to be elucidated...
January 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28318359/zika-virus-and-eye
#15
Rupesh Agrawal, Hnin Hnin Oo, Praveen Kumar Balne, Lisa Ng, Louis Tong, Yee Sin Leo
Zika virus (ZIKV), a mosquito-borne flavivirus, is the latest global health concern. Transmission is mainly via Aedes mosquitoes and the infection can be diagnosed on molecular or serologic testings. It typically causes a mild self-remitting illness of low-grade fever, maculopapular rash, and myalgia, but when severe, it is associated with neurological deficits and congenital structural defects. Ocular manifestations are usually mild like nonpurulent conjunctivitis in adults, though it may be linked to uveitis, maculopathy, and hypertensive iridocyclitis...
March 20, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28306558/monitoring-of-the-physical-exam-in-sepsis
#16
Radu Postelnicu, Laura Evans
PURPOSE OF REVIEW: Monitoring of mental status and peripheral circulatory changes can be accomplished noninvasively in patients in the ICU. Emphasis on physical examination in conditions such as sepsis have gained increased attention as these evaluations can often serve as a surrogate marker for short-term treatment efficacy of therapeutic interventions. Sepsis associated encephalopathy and mental status changes correlate with worse prognosis in patients. Evaluation of peripheral circulation has been shown to be a convenient, easily accessible, and accurate marker for prognosis in patients with septic shock...
March 16, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28297032/ultra-wide-field-fundus-autofluorescence-and-spectral-domain-optical-coherence-tomography-findings-in-syphilitic-outer-retinitis
#17
Mohamed G A Saleh, John Peter Campbell, Paul Yang, Phoebe Lin
BACKGROUND AND OBJECTIVE: To determine the ultra-wide-field fundus autofluorescence (UWFFAF) and optical coherence tomography (OCT) features of syphilitic outer retinopathy (SOR). PATIENTS AND METHODS: Retrospective chart review. RESULTS: Three patients with SOR were investigated. Treatment with parenteral penicillin led to improvement of outer retinopathy, visual acuity, and symptoms. UWFFAF showed speckled hyperautofluorescence, hypoautofluorescence, and normal autofluorescence, similar to what has been described as a trizonal pattern in acute zonal occult outer retinopathy (AZOOR) in the chronic case of SOR, but with hyperautofluorescent areas in the two acute cases...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28270819/effects-of-low-ph-on-photosynthesis-related-physiological-parameters-and-nutrient-profiles-of-citrus
#18
An Long, Jiang Zhang, Lin-Tong Yang, Xin Ye, Ning-Wei Lai, Ling-Ling Tan, Dan Lin, Li-Song Chen
Seedlings of "Xuegan" (Citrus sinensis) and "Sour pummelo" (Citrus grandis) were irrigated daily with a nutrient solution at a pH of 2.5, 3, 4, 5, or 6 for 9 months. Thereafter, the following responses were investigated: seedling growth; root, stem, and leaf concentrations of nutrient elements; leaf gas exchange, pigment concentration, ribulose-1,5-bisphosphate carboxylase/oxygenase activity and chlorophyll a fluorescence; relative water content, total soluble protein level, H2O2 production and electrolyte leakage in roots and leaves...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28266088/fluoride-or-and-aluminum-induced-toxicity-in-guinea-pig-teeth-with-the-low-expression-of-dentine-phosphoprotein
#19
Tianlong Han, Min Wang, Chunfang Cao, Huacheng Chen, Guanghe Zhang, Liping Wang, Jundong Wang
This study investigated the damage and expression of dentine phosphoprotein (DPP) in guinea pig teeth by the administration of fluoride (F) or/and aluminum (Al). Fifty-two guinea pigs were divided randomly into four groups (control, F, Al, and F+Al). F (150 mg NaF/L) or/and Al (300 mg AlCl3 /L) were added in their drinking water for 90 days. The levels of F ion, dentine sialophosphoprotein (DSPP) gene, and DPP protein in incisor and molar were determined, respectively. The results showed that the concentrations of F ion in F and F+Al groups were increased significantly...
March 7, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28263842/a-cgmmv-genome-replicon-vector-with-partial-sequences-of-coat-protein-gene-efficiently-expresses-gfp-in-nicotiana-benthamiana
#20
A Abdul Kader Jailani, Vikas Solanki, Anirban Roy, T Sivasudha, Bikash Mandal
A highly infectious clone of Cucumber green mottle mosaic virus (CGMMV), a cucurbit-infecting tobamovirus was utilized for designing of gene expression vectors. Two versions of vector were examined for their efficacy in expressing the green fluorescent protein (GFP) in Nicotiana benthamiana. When the GFP gene was inserted at the stop codon of coat protein (CP) gene of the CGMMV genome without any read-through codon, systemic expression of GFP, as well as virion formation and systemic symptoms expression were obtained in N...
March 2, 2017: Virus Research
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