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https://www.readbyqxmd.com/read/28640945/production-of-human-vitronectin-in-nicotiana-benthamiana-using-the-inpact-hyper-expression-platform
#1
Benjamin Dugdale, Maiko Kato, Pradeep Deo, Manuel Plan, Mark Harrison, Robyn Lloyd, Terry Walsh, Robert Harding, James Dale
Human vitronectin (hVN) is a glycoprotein that functions as a cell adhesion molecule and a regulator of coagulation in blood plasma and the extracellular matrix. In vitro, hVN is added to serum-free media in order to promote the adhesion of animal cells to tissue culture surfaces and the proliferation of undifferentiated stem cells. Here, we report the production of hVN in Nicotiana benthamiana using the inducible In Plant Activation (INPACT) hyper-expression platform. N. benthamiana plants were transformed with an INPACT expression cassette encoding hVN, and both the Tobacco yellow dwarf virus Rep/RepA activator and Tomato bushy stunt virus p19 gene under the transcriptional control of the ethanol-inducible AlcR:alcA gene switch...
June 22, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28635666/host-adaptation-of-soybean-dwarf-virus-following-serial-passages-on-pea-pisum-sativum-and-soybean-glycine-max
#2
Bin Tian, Frederick E Gildow, Andrew L Stone, Diana J Sherman, Vernon D Damsteegt, William L Schneider
Soybean Dwarf Virus (SbDV) is an important plant pathogen, causing economic losses in soybean. In North America, indigenous strains of SbDV mainly infect clover, with occasional outbreaks in soybean. To evaluate the risk of a US clover strain of SbDV adapting to other plant hosts, the clover isolate SbDV-MD6 was serially transmitted to pea and soybean by aphid vectors. Sequence analysis of SbDV-MD6 from pea and soybean passages identified 11 non-synonymous mutations in soybean, and six mutations in pea. Increasing virus titers with each sequential transmission indicated that SbDV-MD6 was able to adapt to the plant host...
June 21, 2017: Viruses
https://www.readbyqxmd.com/read/28635588/genome-sequence-variation-in-the-constricta-strain-dramatically-alters-the-protein-interaction-and-localization-map-of-potato-yellow-dwarf-virus
#3
Chanyong Jang, Renyuan Wang, Joseph Wells, Fabian Leon, Mark Farman, John Hammond, Michael M Goodin
The genome sequence of the constricta strain of Potato yellow dwarf virus (CYDV) was determined to be 12 792 nt long and organized into seven ORFs with the gene order 3'-N-X-P-Y-M-G-L-5', which encodes the nucleocapsid, phospho, movement, matrix, glyco, and RNA-dependent RNA polymerase proteins, respectively, except for X, which is of unknown function. Cloned ORFs for each gene, except L, were used to construct a protein interaction and localization map (PILM) for this virus, which shares greater than 80 % amino acid similarity in all ORFs except X and P with the sanguinolenta strain of this species (SYDV)...
June 21, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28629320/transcriptomic-changes-reveal-gene-networks-responding-to-the-overexpression-of-a-blueberry-dwarf-and-delayed-flowering-1-gene-in-transgenic-blueberry-plants
#4
Guo-Qing Song, Xuan Gao
BACKGROUND: Constitutive expression of the CBF/DREB1 for increasing freezing tolerance in woody plants is often associated with other phenotypic changes including dwarf plant and delayed flowering. These phenotypic changes have been observed when Arabidopsis DWARF AND DELAYED FLOWERING 1 (DDF1) was overexpressed in A. thaliana plants. To date, the DDF1 orthologues have not been studied in woody plants. The aim of this study is to investigate transcriptomic responses to the overexpression of blueberry (Vaccinium corymbosum) DDF1 (herein, VcDDF1-OX)...
June 19, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28627019/identification-of-differentially-regulated-maize-proteins-conditioning-sugarcane-mosaic-virus-systemic-infection
#5
Hui Chen, Yanyong Cao, Yiqing Li, Zihao Xia, Jipeng Xie, John P Carr, Boming Wu, Zaifeng Fan, Tao Zhou
Sugarcane mosaic virus (SCMV) is the most important cause of maize dwarf mosaic disease. To identify maize genes responsive to SCMV infection and that may be involved in pathogenesis, a comparative proteomic analysis was performed using the first and second systemically infected leaves (termed 1 SL and 2 SL, respectively). Seventy-one differentially expressed proteins were identified in 1 SL and 2 SL upon SCMV infection. Among them, eight proteins showed the same changing patterns in both 1 SL and 2 SL. Functional annotations of regulated proteins and measurement of photosynthetic activity revealed that photosynthesis was more inhibited and defensive gene expression more pronounced in 1 SL than in 2 SL...
June 19, 2017: New Phytologist
https://www.readbyqxmd.com/read/28624684/photoprotection-regulated-by-phosphorus-application-can-improve-photosynthetic-performance-and-alleviate-oxidative-damage-in-dwarf-bamboo-subjected-to-water-stress
#6
Chenggang Liu, Yanjie Wang, Yanqiang Jin, Kaiwen Pan, Xingmei Zhou, Na Li
Water and nutrients, particularly phosphorus (P), are the two most limiting factors for dwarf bamboo growth in tropical and subtropical areas. Dwarf bamboo is highly sensitive to water stress and often causes severe P deficiency in its growing soils due to the characteristics of shallower roots and expeditious growth. However, little is known about its photoprotective response to soil water deficit and the underlying mechanisms regulated by P application. In this study, a completely randomized design with two factors of two water regimes (well-watered and water-stressed) and two P levels (with and without P application) was arranged to investigate this issue in dwarf bamboo (Fargesia rufa) plants...
June 8, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28621590/cystoscopic-diagnosis-of-polypoid-cystitis-in-two-pet-rabbits
#7
Nicola Di Girolamo, Laura Bongiovanni, Silvia Ferro, Raffaele Melidone, Annalisa Nicoletti, Valeria Del Duca, Thomas M Donnelly, Paolo Selleri
CASE DESCRIPTION AS-year-old male Dwarf rabbit and 4-year-old female Mini-Rex rabbit were evaluated because of anorexia and urine scalding of the perineum. CLINICAL FINDINGS Abdominal radiography revealed a diffuse increase in the opacity of the urinary bladder attributable to urinary sludge. In 1 rabbit, abdominal ultrasonography revealed several mass-like lesions protruding from the mucosal surface into the lumen of the urinary bladder. Rabbits were anesthetized, and cystoscopy was performed with a rigid 2...
July 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28611223/enhanced-interplanetary-panspermia-in-the-trappist-1-system
#8
Manasvi Lingam, Abraham Loeb
We present a simple model for estimating the probability of interplanetary panspermia in the recently discovered system of seven planets orbiting the ultracool dwarf star TRAPPIST-1 and find that panspermia is potentially orders of magnitude more likely to occur in the TRAPPIST-1 system compared with the Earth-to-Mars case. As a consequence, we argue that the probability of abiogenesis is enhanced on the TRAPPIST-1 planets compared with the solar system. By adopting models from theoretical ecology, we show that the number of species transferred and the number of life-bearing planets are also likely to be higher because of the increased rates of immigration...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28603533/transcriptome-analysis-reveals-differential-gene-expression-and-a-possible-role-of-gibberellins-in-a-shade-tolerant-mutant-of-perennial-ryegrass
#9
Wei Li, Lorenzo Katin-Grazzini, Xianbin Gu, Xiaojing Wang, Rania El-Tanbouly, Huseyin Yer, Chandra Thammina, John Inguagiato, Karl Guillard, Richard J McAvoy, Jill Wegrzyn, Tingting Gu, Yi Li
The molecular basis behind shade tolerance in plants is not fully understood. Previously, we have shown that a connection may exist between shade tolerance and dwarfism, however, the mechanism connecting these phenotypes is not well understood. In order to clarify this connection, we analyzed the transcriptome of a previously identified shade-tolerant mutant of perennial ryegrass (Lolium perenne L.) called shadow-1. shadow-1 mutant plants are dwarf, and are significantly tolerant to shade in a number of environments compared to wild-type controls...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28596381/a-dual-agonist-of-farnesoid-x-receptor-fxr-and-the-g-protein-coupled-receptor-tgr5-int-767-slows-down-age-related-kidney-disease-in-mice
#10
Xiaoxin X Wang, Yuhuan Luo, Dong Wang, Luciano Adorini, Mark Pruzanski, Evgenia Dobrinskikh, Moshe Levi
Even in healthy individuals, renal function gradually declines during aging. However, an observed variation in the rate of this decline has raised the possibility of slowing or delaying age-related kidney disease. One of the most successful interventional measures that slows down and delays age-related kidney disease is caloric restriction. We undertook the present studies to search for potential factors that are regulated by caloric restriction and act as caloric restriction mimetics. Based on our prior studies with the bile acid-activated nuclear hormone receptor farnesoid X receptor (FXR) and G protein coupled membrane receptor TGR5 that demonstrated beneficial effects of FXR and TGR5 activation in the kidney, we reasoned that FXR and TGR5 could be excellent candidates...
June 8, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28596351/general-relativity-weighs-a-white-dwarf
#11
EDITORIAL
Keith T Smith
No abstract text is available yet for this article.
June 9, 2017: Science
https://www.readbyqxmd.com/read/28595925/jinggangmycin-suppressed-reproduction-in-the-small-brown-planthopper-sbph-laodelphax-striatellus-fallen-is-mediated-by-glucose-dehydrogenase-gdh
#12
Jun Ding, You Wu, Lin-Lin You, Bin Xu, Lin-Quan Ge, Guo-Qing Yang, Jin-Cai Wu
The small brown planthopper (SBPH), Laodelphax striatellus (Fallen), is a serious pest insect of rice, wheat, and maize in China. SBPH not only sucks plant sap but also transmits plant disease viruses, causing serious damage. These viruses include rice striped virus disease (RSV disease), black streaked dwarf, and maize rough disease virus. SBPH outbreaks are related to the overuse of pesticides in China. Some pesticides, such as triazophos, stimulate the reproduction of SBPH, but an antibiotic fungicide jinggangmycin (JGM) suppresses its reproduction...
June 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28595333/the-rise-of-the-current-mortality-pattern-of-the-united-states-1890-1930
#13
Hiroshi Maeda
This article examines how the epidemiologic transition and the reduction of the urban mortality penalty gave rise to the current mortality regime, and demonstrates how the 1918 influenza pandemic signaled its advent. This article approaches those issues by analyzing urban-rural mortality differentials from 1890 to 1930. Until 1910 infectious diseases dwarfed degenerative diseases, and, generally, the more urban the location was, the higher infectious disease, and overall, mortality was, a direct relationship...
June 8, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28592949/development-of-multiplex-pcr-for-simultaneous-detection-of-citrus-viruses-and-the-incidence-of-citrus-viral-diseases-in-late-maturity-citrus-trees-in-jeju-island
#14
Jae Wook Hyun, Rok Yeon Hwang, Kyung Eun Jung
Satsuma dwarf virus (SDV) or Citrus mosaic sadwavirus (CiMV) were not consistently detected in RT-PCR assay with the primer sets based on gene of Japan isolates. SDV and CiMV isolates were distinctively divided into two groups based on phylogenetic analysis of PP2 gene cloned from 22 Korean isolates, and the Korean CiMV and SDV isolates shared 95.5-96.2% and 97.1-97.7% sequence identity with Japanese isolate, respectively. We developed PP2-1 primer set based on the PP2 gene sequence of Korean isolates to simultaneously and effectively detect SDV and CiMV...
June 2017: Plant Pathology Journal
https://www.readbyqxmd.com/read/28592430/relativistic-deflection-of-background-starlight-measures-the-mass-of-a-nearby-white-dwarf-star
#15
Kailash C Sahu, Jay Anderson, Stefano Casertano, Howard E Bond, Pierre Bergeron, Edmund P Nelan, Laurent Pueyo, Thomas M Brown, Andrea Bellini, Zoltan G Levay, Joshua Sokol, Martin Dominik, Annalisa Calamida, Noé Kains, Mario Livio
Gravitational deflection of starlight around the Sun during the 1919 total solar eclipse provided measurements that confirmed Einstein's general theory of relativity. We have used the Hubble Space Telescope to measure the analogous process of astrometric microlensing caused by a nearby star, the white dwarf Stein 2051 B. As Stein 2051 B passed closely in front of a background star, the background star's position was deflected. Measurement of this deflection at multiple epochs allowed us to determine the mass of Stein 2051 B-the sixth-nearest white dwarf to the Sun-as 0...
June 9, 2017: Science
https://www.readbyqxmd.com/read/28592429/a-centennial-gift-from-einstein
#16
T D Oswalt
No abstract text is available yet for this article.
June 9, 2017: Science
https://www.readbyqxmd.com/read/28583899/statins-do-not-inhibit-the-fgfr-signaling-in-chondrocytes
#17
B Fafilek, M Hampl, N Ricankova, I Vesela, L Balek, M Kunova Bosakova, I Gudernova, M Varecha, M Buchtova, P Krejci
OBJECTIVE: Statins are widely used drugs for cholesterol lowering, which were recently found to counteract the effects of aberrant fibroblast growth factor receptor (FGFR3) signaling in cell and animal models of FGFR3-related chondrodysplasia. This opened an intriguing therapeutic possibility for human dwarfing conditions caused by gain-of-function mutations in FGFR3, although the mechanism of statin action on FGFR3 remains unclear. Here, we determine the effect of statins on FGFR signaling in chondrocytes...
June 3, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28582774/a-giant-planet-undergoing-extreme-ultraviolet-irradiation-by-its-hot-massive-star-host
#18
B Scott Gaudi, Keivan G Stassun, Karen A Collins, Thomas G Beatty, George Zhou, David W Latham, Allyson Bieryla, Jason D Eastman, Robert J Siverd, Justin R Crepp, Erica J Gonzales, Daniel J Stevens, Lars A Buchhave, Joshua Pepper, Marshall C Johnson, Knicole D Colon, Eric L N Jensen, Joseph E Rodriguez, Valerio Bozza, Sebastiano Calchi Novati, Giuseppe D'Ago, Mary T Dumont, Tyler Ellis, Clement Gaillard, Hannah Jang-Condell, David H Kasper, Akihiko Fukui, Joao Gregorio, Ayaka Ito, John F Kielkopf, Mark Manner, Kyle Matt, Norio Narita, Thomas E Oberst, Phillip A Reed, Gaetano Scarpetta, Denice C Stephens, Rex R Yeigh, Roberto Zambelli, B J Fulton, Andrew W Howard, David J James, Matthew Penny, Daniel Bayliss, Ivan A Curtis, D L DePoy, Gilbert A Esquerdo, Andrew Gould, Michael D Joner, Rudolf B Kuhn, Jonathan Labadie-Bartz, Michael B Lund, Jennifer L Marshall, Kim K McLeod, Richard W Pogge, Howard Relles, Christopher Stockdale, T G Tan, Mark Trueblood, Patricia Trueblood
The amount of ultraviolet irradiation and ablation experienced by a planet depends strongly on the temperature of its host star. Of the thousands of extrasolar planets now known, only six have been found that transit hot, A-type stars (with temperatures of 7,300-10,000 kelvin), and no planets are known to transit the even hotter B-type stars. For example, WASP-33 is an A-type star with a temperature of about 7,430 kelvin, which hosts the hottest known transiting planet, WASP-33b (ref. 1); the planet is itself as hot as a red dwarf star of type M (ref...
June 5, 2017: Nature
https://www.readbyqxmd.com/read/28579650/improved-cr-ii-log-gf-values-and-abundance-determinations-in-the-photospheres-of-the-sun-and-metal-poor-star-hd-84937
#19
J E Lawler, C Sneden, G Nave, E A Den Hartog, N Emrahođlu, J J Cowan
New emission branching fraction (BF) measurements for 183 lines of the second spectrum of chromium (Cr II) and new radiative lifetime measurements from laser-induced fluorescence for 8 levels of Cr(+) are reported. The goals of this study are to improve transition probability measurements in Cr II and reconcile solar and stellar Cr abundance values based on Cr I and Cr II lines. Eighteen spectra from three Fourier Transform Spectrometers supplemented with ultraviolet spectra from a high-resolution echelle spectrometer are used in the BF measurements...
January 2017: Astrophysical Journal. Supplement Series
https://www.readbyqxmd.com/read/28577237/insertion-of-a-solo-ltr-retrotransposon-associates-with-spur-mutations-in-red-delicious-apple-malus%C3%A2-%C3%A3-%C3%A2-domestica
#20
Mengxue Han, Qibao Sun, Junyong Zhou, Huarong Qiu, Jing Guo, Lijuan Lu, Wenlei Mu, Jun Sun
Insertion of a solo LTR, which possesses strong bidirectional, stem-specific promoter activities, is associated with the evolution of a dwarfing apple spur mutation. Spur mutations in apple scions revolutionized global apple production. Since long terminal repeat (LTR) retrotransposons are tightly related to natural mutations, inter-retrotransposon-amplified polymorphism technique and genome walking were used to find sequences in the apple genome based on these LTRs. In 'Red Delicious' spur mutants, a novel, 2190-bp insertion was identified as a spur-specific, solo LTR (sLTR) located at the 1038th nucleotide of another sLTR, which was 1536 bp in length...
June 2, 2017: Plant Cell Reports
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