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https://www.readbyqxmd.com/read/28936209/corrigendum-identification-of-cleavage-sites-recognized-by-the-3c-like-cysteine-protease-within-the-two-polyproteins-of-strawberry-mottle-virus
#1
Krin S Mann, Melanie C Walker, Hélène Sanfaçon
[This corrects the article on p. 745 in vol. 8, PMID: 28496438.].
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28916427/simultaneous-detection-and-differentiation-of-three-potyviridae-viruses-in-sweet-potato-by-a-multiplex-taqman-real-time-rt-pcr-assay
#2
Pingxiu Lan, Fan Li, Jorge Abad, Lingling Pu, Ruhui Li
A multiplex TaqMan real time RT-PCR was developed for detection and differentiation of Sweet potato virus G, Sweet potato latent virus and Sweet potato mild mottle virus in one tube. Amplification and detection of a fluorogenic cytochrome oxidase gene was included as an internal control. The assay was compared with a multiplex RT-PCR developed in the initial study for the detection and differentiation of the three viruses and host 18S rRNA. Primers and/or probes of the two assays were designed from conserved regions of each virus...
September 12, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28914770/silicon-and-nitrate-differentially-modulate-the-symbiotic-performances-of-healthy-and-virus-infected-bradyrhizobium-nodulated-cowpea-vigna-unguiculata-yardlong-bean-v-unguiculata-subsp-sesquipedalis-and-mung-bean-v-radiata
#3
Maria Luisa Izaguirre-Mayoral, Miriam Brito, Bikash Baral, Mario José Garrido
The effects of 2 mM silicon (Si) and 10 mM KNO₃ (N)-prime signals for plant resistance to pathogens-were analyzed in healthy and Cowpea chlorotic mottle virus (CCMV) or Cowpea mild mottle virus (CMMV)-infected Bradyrhizobium-nodulated cowpea, yardlong bean and mung bean plants. In healthy plants of the three Vigna taxa, nodulation and growth were promoted in the order of Si + N > N > Si > controls. In the case of healthy cowpea and yardlong bean, the addition of Si and N decreased ureide and α-amino acids (AA) contents in the nodules and leaves in the order of Si + N> N > Si > controls...
September 15, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28914622/ce-assessing-patients-during-septic-shock-resuscitation
#4
Elizabeth Bridges
How to integrate capillary refill time and skin mottling score into the six-hour bundle. ABSTRACT: In 2015, the Surviving Sepsis Campaign six-hour bundle was updated. The revised version now recommends documenting the reassessment of volume status and tissue perfusion after initial fluid resuscitation through a repeated focused examination. This article addresses the practice and interpretation of two components of this examination in adults: capillary refill time and skin mottling score...
September 13, 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28910391/different-rates-of-spontaneous-mutation-of-chloroplastic-and-nuclear-viroids-as-determined-by-high-fidelity-ultra-deep-sequencing
#5
Amparo López-Carrasco, Cristina Ballesteros, Vicente Sentandreu, Sonia Delgado, Selma Gago-Zachert, Ricardo Flores, Rafael Sanjuán
Mutation rates vary by orders of magnitude across biological systems, being higher for simpler genomes. The simplest known genomes correspond to viroids, subviral plant replicons constituted by circular non-coding RNAs of few hundred bases. Previous work has revealed an extremely high mutation rate for chrysanthemum chlorotic mottle viroid, a chloroplast-replicating viroid. However, whether this is a general feature of viroids remains unclear. Here, we have used high-fidelity ultra-deep sequencing to determine the mutation rate in a common host (eggplant) of two viroids, each representative of one family: the chloroplastic eggplant latent viroid (ELVd, Avsunviroidae) and the nuclear potato spindle tuber viroid (PSTVd, Pospiviroidae)...
September 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28905257/complete-genome-analysis-of-a-novel-umbravirus-polerovirus-combination-isolated-from-ixeridium-dentatum
#6
Ran Hee Yoo, Seung-Won Lee, Seungmo Lim, Fumei Zhao, Davaajargal Igori, Dasom Baek, Jin-Sung Hong, Su-Heon Lee, Jae Sun Moon
Two novel viruses, isolated in Bonghwa, Republic of Korea, from an Ixeridium dentatum plant with yellowing mottle symptoms, have been provisionally named Ixeridium yellow mottle-associated virus 1 (IxYMaV-1) and Ixeridium yellow mottle-associated virus 2 (IxYMaV-2). IxYMaV-1 has a genome of 6,017 nucleotides sharing a 56.4% sequence identity with that of cucurbit aphid-borne yellows virus (genus Polerovirus). The IxYMaV-2 genome of 4,196 nucleotides has a sequence identity of less than 48.3% with e other species classified within the genus Umbravirus...
September 13, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28902859/effects-of-roasting-on-kernel-peroxide-value-free-fatty-acid-fatty-acid-composition-and-crude-protein-content
#7
Shahla Hosseini Bai, Ian Darby, Tio Nevenimo, Godfrey Hannet, Dalsie Hannet, Matthew Poienou, Elektra Grant, Peter Brooks, David Walton, Bruce Randall, Helen M Wallace
Roasting nuts may alter their chemical composition leading to changes in their health benefits. However, the presence of testa may alleviate the negative effects of thermal treatments. Hence, this study aimed to explore the effects of roasting on kernel chemical quality and colour development of Canarium indicum and examine to what extent testa would protect kernels against damage from roasting. Roasting decreased peroxide value but increased free fatty acid, probably due to increased cell destruction and lack of enzyme inactivation, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28887190/rapid-detection-of-fifteen-known-soybean-viruses-by-dot-immunobinding-assay
#8
Akhtar Ali
A dot-immunobinding assay (DIBA) was optimized and used successfully for the rapid detection of 15 known viruses [Alfalfa mosaic virus (AMV), Bean pod mottle virus (BPMV), Bean yellow mosaic virus (BYMV), Cowpea mild mottle virus (CPMMV), Cowpea severe mosaic virus (CPSMV), Cucumber mosaic virus (CMV), Peanut mottle virus (PeMoV), Peanut stunt virus (PSV), Southern bean mosaic virus (SBMV), Soybean dwarf virus (SbDV), Soybean mosaic virus (SMV), Soybean vein necrosis virus (SVNV), Tobacco ringspot virus (TRSV), Tomato ringspot virus (ToRSV), and Tobacco streak virus (TSV)] infecting soybean plants in Oklahoma...
September 6, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28882931/livedoid-eruption-in-a-patient-affected-by-t-%C3%AE-%C3%AE-large-granular-lymphocyte-leukaemia
#9
Giulia Biolo, Giorgia Sacco, Irene Russo, Mauro Alaibac
Livedo is an ischaemic dermopathy characterised by a reddish-blue to violaceous mottling of the skin with a net-like reticular appearance. Livedo has been described in association with several medical conditions including lymphoproliferative disorders. Here, we describe the case of a 60-year-old woman who was presented with asymptomatic and persistent livedoid eruption on her trunk, lower and upper extremities as manifestation of an indolent form of T-γδ large granular lymphocyte leukaemia. To the best of our knowledge, this is the first report describing the association between livedo reticularis and T-γδ large granular lymphocyte leukaemia...
September 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28873207/characterization-of-a-pepper-collection-capsicum-frutescens-l-from-brazil
#10
M F Lima, S I C Carvalho, C F Ragassi, L B Bianchetti, F G Faleiro, F J B Reifschneider
Germplasm banks are essential as sources of genetic variability for plant breeding programs. To characterize a Brazilian Capsicum frutescens collection, 21 malagueta and 5 Tabasco hot pepper accessions were evaluated under field and greenhouse conditions regarding morphological and molecular traits, as well as resistance to viruses. Morphological characterization was performed using 53 IPGRI (International Plant Genetic Resources Institute) descriptors, 15 vegetative, 13 inflorescence, 22 fruit, and 3 seed...
August 31, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28864903/a-pepper-mottle-virus-based-vector-enables-systemic-expression-of-endoglucanase-d-in-non-transgenic-plants
#11
Eun Gyeong Song, Ki Hyun Ryu
Plant-virus-based expression vectors have been used as an alternative to the creation of transgenic plants. Using a virus-based vector, we investigated the feasibility of producing the endoglucanase D (EngD) from Clostridium cellulovorans in Nicotiana benthamiana. This protein has endoglucanase, xylanase, and exoglucanase activities and may be of value for cellulose digestion in the generation of biofuels from plant biomass. The EngD gene was cloned between the nuclear inclusion b (NIb)- and coat protein (CP)-encoding sequences of pSP6PepMoV-Vb1...
September 1, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28855829/detection-of-new-viruses-in-alfalfa-weeds-and-cultivated-plants-growing-adjacent-to-alfalfa-fields-in-saudi-arabia
#12
I M Al-Shahwan, O A Abdalla, M A Al-Saleh, M A Amer
A total of 1368 symptomatic plant samples showing different virus-like symptoms such as mottling, chlorosis, mosaic, yellow mosaic, vein clearing and stunting were collected from alfalfa, weed and cultivated plant species growing in vicinity of alfalfa fields in five principal regions of alfalfa production in Saudi Arabia. DAS-ELISA test indicated occurrence of 11 different viruses in these samples, 10 of which were detected for the first time in Saudi Arabia. Eighty percent of the alfalfa samples and 97.5% of the weed and cultivated plants samples were found to be infected with one or more of these viruses...
September 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28840434/robust-rnai-mediated-resistance-to-infection-of-seven-potyvirids-in-soybean-expressing-an-intron-hairpin-nib-rna
#13
Xiangdong Yang, Lu Niu, Wei Zhang, Hongli He, Jing Yang, Guojie Xing, Dongquan Guo, Qian Du, Xueyan Qian, Yao Yao, Qiyun Li, Yingshan Dong
Viral pathogens, such as soybean mosaic virus (SMV), are a major constraint in soybean production and often cause significant yield loss and quality deterioration. Engineering resistance by RNAi-mediated gene silencing is a powerful strategy for controlling viral diseases. In this study, a 248-bp inverted repeat of the replicase (nuclear inclusion b, NIb) gene was isolated from the SMV SC3 strain, driven by the leaf-specific rbcS2 promoter from Phaseolus vulgaris, and introduced into soybean. The transgenic lines had significantly lower average disease indices (ranging from 2...
August 24, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28840284/nutmeg-liver
#14
REVIEW
Yan-Lin Li, Kam-Ho Lee, Andrew Kai-Chun Cheng, Man-Leung Yu
Nutmeg liver refers to the mottled appearance of the liver as a result of hepatic venous congestion. Radiologically, it is most appreciable on portovenous phase imaging on cross-sectional imaging. It is named after the cut appearance of the nutmeg seed.
August 24, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28839508/pathogenic-characterization-of-european-genotype-porcine-reproductive-and-respiratory-syndrome-virus-recently-isolated-in-mainland-china
#15
Sun Ming, Ma Yongying, Liu Bohua, Lu Huiying, Deng Xiaoyu, Liu Qiaorong, Qiao Mingming, Chen Xi, Yang Xinyan, Chen Xizhao
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) is an important pathogen in pig that causes tremendous economic loss in the global swine industry. PRRSV is divided into the European and North American genotypes, with virulence ranging from apathogenic-moderately virulent to highly pathogenic. The emergence of new highly virulent type 1 strains and coexistence of the two genotypes complicate the differential diagnosis, disease prevention, and control of PRRSV. Although the emergence of a novel type 1 PRRSV strain in mainland China was first confirmed in 2011, there is no information available concerning the pathogenesis of this strain...
2017: Open Virology Journal
https://www.readbyqxmd.com/read/28830226/lumbar-spine-evaluation-accuracy-on-abdominal-ct
#16
Mitchell Klein
OBJECTIVE: To determine if the lumbar spine can be accurately evaluated on an abdominal CT. METHODS: The electronic medical records at our institution were searched to find all consecutive patients who had an abdominal CT within 12 months of a lumbar spine MRI obtained between 11/1/10 and 10/31/15. The abdominal CT studies were retrospectively reviewed in a blinded fashion for the presence of any significant lumbar spine abnormalities. The prospective lumbar spine MR imaging reports were used as the standard of reference...
August 22, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28825580/-calciphylaxis
#17
Nicolás Raimondi, Jorge J Del Vecchio, Mauricio Ghioldi, Emanuel Uzair
Calciphylaxis is vasculopathy characterized by ischemia and painful skin necrosis due to calcification and intimal fibroplasia of thrombosis of the panicular arterioles. It most frequently compromises patients with terminal chronic renal failure and has a high mortality rate. Biopsy of skin lesions is used as a diagnostic method. No specific laboratory findings have been recorded. Skin lesions usually begin in the extremities like a painful purplish mottling similar to "livedo reticularis". The natural evolution is to ulcers and bedsores...
2017: Medicina
https://www.readbyqxmd.com/read/28811756/pseudomonas-oleovorans-strain-kbpf-004-culture-supernatants-reduced-seed-transmission-of-cucumber-green-mottle-mosaic-virus-and-pepper-mild-mottle-virus-and-remodeled-aggregation-of-126-kda-and-subcellular-localization-of-movement-protein-of-pepper-mild-mottle
#18
Nam-Gyu Kim, Eun-Young Seo, Sang-Hyuk Han, Jun-Su Gong, Cheol-Nam Park, Ho-Seop Park, Leslie L Domier, John Hammond, Hyoun-Sub Lim
Efforts to control viral diseases in crop production include several types of physical or chemical treatments; antiviral extracts of a number of plants have also been examined to inhibit plant viral infection. However, treatments utilizing naturally selected microorganisms with activity against plant viruses are poorly documented. Here we report isolation of a soil inhabiting bacterium, Pseudomonas oleovorans strain KBPF-004 (developmental code KNF2016) which showed antiviral activity against mechanical transmission of tobamoviruses...
August 2017: Plant Pathology Journal
https://www.readbyqxmd.com/read/28770371/a-re-evaluation-of-diversity-of-the-aporocotylidae-odhner-1912-in-siganus-fuscescens-houttuyn-perciformes-siganidae-and-associated-species
#19
Xena Brooks, Thomas H Cribb, Russell Q-Y Yong, Scott C Cutmore
The aporocotylid fauna of the mottled spinefoot, Siganus fuscescens (Houttuyn), from Moreton Bay, Queensland, Australia, was characterised using a combined morphological and molecular approach. Four aporocotylid species were identified, three belonging to the genus Ankistromeces Nolan & Cribb, 2006 and one to Cardicola Short, 1953. Specimens of Cardicola matched an undescribed species from the same host and locality; this species is described as Cardicola mogilae n. sp. Phylogenetic analyses of ITS2 and 28S data showed that C...
August 2, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28770252/first-report-of-lily-mottle-virus-on-lily-lilium-sp-in-southern-india
#20
R Aravintharaj, C G Balaji, K Nagendran, R Priyanka, G Karthikeyan
Lily samples collected from commercial cut flower growing field at Nilgiris, Tamil Nadu, India were serologically tested through direct antigen coating-ELISA and dot immuno binding assay for the infection of potyvirus through potyvirus group specific polyclonal antibody. The RT-PCR using potyvirus universal degenerate primers (PNIbF1/PCPR1) showed the presence of a potyvirus and the sequencing results showed the association of lily mottle virus (LMoV). Further LMoV was confirmed by RT-PCR amplification using newly designed primer pair covering entire coat protein gene and sequence results showed 100% nucleotide identity with the LMoV reported from South Korean...
June 2017: Virusdisease
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