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https://www.readbyqxmd.com/read/28782017/generation-of-blue-chrysanthemums-by-anthocyanin-b-ring-hydroxylation-and-glucosylation-and-its-coloration-mechanism
#1
Naonobu Noda, Satoshi Yoshioka, Sanae Kishimoto, Masayoshi Nakayama, Mitsuru Douzono, Yoshikazu Tanaka, Ryutaro Aida
Various colored cultivars of ornamental flowers have been bred by hybridization and mutation breeding; however, the generation of blue flowers for major cut flower plants, such as roses, chrysanthemums, and carnations, has not been achieved by conventional breeding or genetic engineering. Most blue-hued flowers contain delphinidin-based anthocyanins; therefore, delphinidin-producing carnation, rose, and chrysanthemum flowers have been generated by overexpression of the gene encoding flavonoid 3',5'-hydroxylase (F3'5'H), the key enzyme for delphinidin biosynthesis...
July 2017: Science Advances
https://www.readbyqxmd.com/read/28686178/cultivating-fluorescent-flowers-with-highly-luminescent-carbon-dots-fabricated-by-a-double-passivation-method
#2
Shuai Han, Tao Chang, Haiping Zhao, Huanhuan Du, Shan Liu, Baoshuang Wu, Shenjun Qin
In this work, we present the fabrication of highly luminescent carbon dots (CDs) by a double passivation method with the assistance of Ca(OH)₂. In the reaction process, Ca(2+) protects the active functional groups from overconsumption during dehydration and carbonization, and the electron-withdrawing groups on the CD surface are converted to electron-donating groups by the hydroxyl ions. As a result, the fluorescence quantum yield of the CDs was found to increase with increasing Ca(OH)₂ content in the reaction process...
July 7, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28547384/a-new-putative-deltapartitivirus-recovered-from-dianthus%C3%A2-amurensis
#3
Hongliu An, Guanlin Tan, Guihong Xiong, Meirong Li, Shouguo Fang, Saif Ul Islam, Songbai Zhang, Fan Li
Two double stranded RNAs (dsRNA), likely representing the genome of a novel deltapartitivirus, provisionally named carnation cryptic virus 3 (CCV3), were recovered from Dianthus amurensis. The two dsRNAs were 1,573 (dsRNA1) and 1,561 (dsRNA2) bp in size, each containing a single open reading frame (ORF) encoding a 475- and 411-aa protein, respectively. The 475-aa protein contains a conserved RNA dependent RNA polymerase (RdRp) domain which shows significant homology to RdRps of established or putative partitiviruses, particularly those belonging to the genus Deltapartitivirus...
May 25, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28533793/exogenous-supplementation-of-silicon-improved-the-recovery-of-hyperhydric-shoots-in-dianthus-caryophyllus-l-by-stabilizing-the-physiology-and-protein-expression
#4
Prabhakaran Soundararajan, Abinaya Manivannan, Yoon S Cho, Byoung R Jeong
Hyperhydricity is one of the major problems hindering in vitro propagation of Dianthus caryophyllus L. Silicon (Si) is a well-known beneficial element renowned for its stress amelioration properties in plants. This study has demonstrated the physiological and molecular mechanism behind the Si-mediated recovery from hyperhydricity in D. caryophyllus L. 'Green Beauty'. Four weeks old hyperhydric shoots obtained from temporary immersion system were cultured on the Murashige and Skoog medium supplemented with 0 (control), 1...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28477002/biosynthesis-of-silver-nanoparticles-using-artemisia-annua-callus-for-inhibiting-stem-end-bacteria-in-cut-carnation-flowers
#5
Qian Hua Xia, Li Ping Zheng, Pei Fei Zhao, Jian Wen Wang
A biological method for synthesising silver nanoparticles (AgNPs) was developed using the callus extracts from Artemisia annua L. under sunlight at 25,000 lx. The AgNPs were characterised using transmission electron microscopy, atomic force microscope, X-ray diffraction and Fourier transform infrared spectroscopy. The AgNPs were mostly spherical with the size of 2.1 to 45.2 nm (average 10.9 nm). Pulse treatments of AgNPs at 125, 250 and 500 mg/l for 1 h extended vase life of cut carnation (Dianthus caryophyllus cv...
March 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28392780/biocontrol-potentials-of-antimicrobial-peptide-producing-bacillus-species-multifaceted-antagonists-for-the-management-of-stem-rot-of-carnation-caused-by-sclerotinia-sclerotiorum
#6
S Vinodkumar, S Nakkeeran, P Renukadevi, V G Malathi
Bacillus species are widely exploited as biocontrol agents because of their efficiency in impeding various plant pathogens with multifaceted approach. In this study, Bacillus species were isolated from rhizosphere of various plants viz., carnations, cotton, turmeric, and bananas in Tamil Nadu state of India. Their potential to control the mycelial growth of Sclerotinia sclerotiorum was assessed in vitro by dual plate and partition plate techniques. B. amyloliquefaciens strain VB7 was much effective in inhibiting mycelial growth (45% inhibition of over control) and sclerotial production (100%)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28300389/nature-inspired-na2ti3o7-nanosheets-formed-three-dimensional-microflowers-architecture-as-a-high-performance-anode-material-for-rechargeable-sodium-ion-batteries
#7
Shoaib Anwer, Yongxin Huang, Jia Liu, Jiajia Liu, Meng Xu, Ziheng Wang, Renjie Chen, Jiatao Zhang, Feng Wu
Low cycling stability and poor rate performance are two of the distinctive drawbacks of most electrode materials for sodium-ion batteries (SIBs). Here, inspired by natural flower structures, we take advantage of the three-dimensional (3D) hierarchical flower-like stable microstructures formed by two-dimensional (2D) nanosheets to solve these problems. By precise control of the hydrothermal synthesis conditions, a novel three-dimensional (3D) flower-like architecture consisting of 2D Na2Ti3O7 nanosheets (Na-TNSs) has been successfully synthesized...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28267477/comparison-of-diagnostic-value-using-a-small-single-channel-p-wave-centric-sternal-ecg-monitoring-patch-with-a-standard-3-lead-holter-system-over-24-hours
#8
COMPARATIVE STUDY
Warren M Smith, Fiona Riddell, Morag Madon, Marye J Gleva
BACKGROUND: To compare simultaneous recordings from an external patch system specifically designed to ensure better P-wave recordings and standard Holter monitor to determine diagnostic efficacy. Holter monitors are a mainstay of clinical practice, but are cumbersome to access and wear and P-wave signal quality is frequently inadequate. METHODS: This study compared the diagnostic efficacy of the P-wave centric electrocardiogram (ECG) patch (Carnation Ambulatory Monitor) to standard 3-channel (leads V1, II, and V5) Holter monitor (Northeast Monitoring, Maynard, MA)...
March 2017: American Heart Journal
https://www.readbyqxmd.com/read/28119439/successful-treatment-of-tumour-induced-osteomalacia-after-resection-of-an-oral-peripheral-ossifying-fibroma
#9
Mark Anthony Santiago Sandoval, Majorie Amoroto Palermo, Ryner Carrillo, Rafael Bundoc, Jose Ma Carnate, Romelito Jose Galsim
Tumour-induced osteomalacia is a paraneoplastic syndrome wherein bone is affected by a hormone from a tumour that causes renal phosphate wasting and hypophosphataemia. Here, we present the case of a 31-year-old man who has been suffering from generalised bone pains and a spine deformity that led to loss of height. Pertinent findings are low serum phosphorus, low vitamin D and decreased bone mineral density. These findings led to a diagnosis of osteomalacia. However, the finding of an oral mass raised some questions as to what role it plays in the patient's disease...
January 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/27957401/bamboo-tea-reduction-of-taxonomic-complexity-and-application-of-dna-diagnostics-based-on-rbcl-and-matk-sequence-data
#10
Thomas Horn, Annette Häser
BACKGROUND: Names used in ingredient lists of food products are trivial and in their nature rarely precise. The most recent scientific interpretation of the term bamboo (Bambusoideae, Poaceae) comprises over 1,600 distinct species. In the European Union only few of these exotic species are well known sources for food ingredients (i.e., bamboo sprouts) and are thus not considered novel foods, which would require safety assessments before marketing of corresponding products. In contrast, the use of bamboo leaves and their taxonomic origin is mostly unclear...
2016: PeerJ
https://www.readbyqxmd.com/read/27814569/deciphering-the-ecophysiological-traits-involved-during-water-stress-acclimation-and-recovery-of-the-threatened-wild-carnation-dianthus-inoxianus
#11
Javier López-Jurado, Francisco Balao, Enrique Mateos-Naranjo
Dianthus inoxianus is an endangered species endemic from a small littoral area in the SW Spain, with an unusual flowering season under the adverse conditions of dry Mediterranean summer. A greenhouse experiment was designed to assess the physiological traits involved in drought acclimation and recovery of 3-month-old plants. The evolution of plant water status, leaf gas exchange, chlorophyll fluorescence, photosynthetic pigments concentrations and a quantitative analysis of photosynthesis limitations were followed during water stress and re-watering...
December 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27787703/greenhouse-wastewater-treatment-by-baffled-subsurface-flow-constructed-wetlands-supplemented-with-flower-straws-as-carbon-source-in-different-modes
#12
Junjun Chang, Luyao Ma, Jinquan Chen, Yifeng Lu, Xiaoyun Wang
Four laboratory-scale baffled subsurface-flow constructed wetlands (BSCWs) were established for the treatment of greenhouse wastewater containing high levels of nitrate and sulfate in the present study. Each BSCW microcosm involved a treatment zone and another post-treatment zone with a surface area ratio of 2:1. Evenly mixed straws of carnation and rose (w/w: 1/1), two common ornamental flowers, were supplemented as an organic carbon source into the treatment zone through a hydrolysis zone (CW 1), decentralized vertically installed perforated pipes (CW 2), and centralized pipes (CW 3 in the figures), except the blank system...
January 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27760128/enrichment-of-phosphatidylethanolamine-in-viral-replication-compartments-via-co-opting-the-endosomal-rab5-small-gtpase-by-a-positive-strand-rna-virus
#13
Kai Xu, Peter D Nagy
Positive-strand RNA viruses build extensive membranous replication compartments to support replication and protect the virus from antiviral responses by the host. These viruses require host factors and various lipids to form viral replication complexes (VRCs). The VRCs built by Tomato bushy stunt virus (TBSV) are enriched with phosphatidylethanolamine (PE) through a previously unknown pathway. To unravel the mechanism of PE enrichment within the TBSV replication compartment, in this paper, the authors demonstrate that TBSV co-opts the guanosine triphosphate (GTP)-bound active form of the endosomal Rab5 small GTPase via direct interaction with the viral replication protein...
October 2016: PLoS Biology
https://www.readbyqxmd.com/read/27738845/characterization-of-a-new-carmovirus-isolated-from-an-adonis-plant
#14
Mina Yasaki, Yasushi Hirano, Hiroyuki Uga, Kaoru Hanada, Tamaki Uehara-Ichiki, Takeshi Toda, Hiromitsu Furuya, Shin-Ichi Fuji
An isometric virus was isolated from a cultivated Adonis plant (A. ramosa). The purified virus particle is 28 nm in diameter and is composed of a single coat protein and a single RNA genome of 3,991 nucleotides. Sequence analysis showed that the virus is closely related to carnation mottle virus. The virus was used to mechanically infect healthy A. ramosa plants, resulting in mosaic and leaf curl symptoms; however, attempts to inoculate carnation plants did not result in infection. We propose the virus as a new carmovirus and have named it adonis mosaic virus (AdMV)...
February 2017: Archives of Virology
https://www.readbyqxmd.com/read/27637297/heterologous-expression-of-carnation-italian-ringspot-virus-p36-protein-enhances-necrotic-cell-death-in-response-to-acetic-acid-in-saccharomyces-cerevisiae
#15
Luisa Rubino, Nicoletta Guaragnella, Sergio Giannattasio
A universal feature of the replication of positive-strand RNA viruses is the association with intracellular membranes. Carnation Italian ringspot virus (CIRV) replication in plants occurs in vesicles derived from the mitochondrial outer membrane. The product encoded by CIRV ORF1, p36, is required for targeting the virus replication complex to the outer mitochondrial membrane both in plant and yeast cells. Here the yeast Saccharomyces cerevisiae was used as a model host to study the effect of CIRV p36 on cell survival and death...
January 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/27465604/chemical-composition-of-the-essential-oil-from-carnation-coniferous-dianthus-acicularis-fisch-ex-ledeb-growing-wild-in-northern-kazakhstan
#16
Vitaliy Kirillov, Tamara Stikhareva, Yerlan Suleimen, Mariya Serafimovich, Svetlana Kabanova, Bolat Mukanov
The aim of the study was to investigate volatile compounds from the aerial parts of Dianthus acicularis of the genus Dianthus of the family Caryophyllaceae grown wild in Northern Kazakhstan for the first time. D. acicularis is a typical Trans-Volga-Kazakhstani endemic. D. acicularis has high resistance to the bacterial wilt, a serious disease caused by Burkholderia caryophylli. The qualitative and quantitative compositions of the specimens of the essential oils were analysed by the method of GC-MS. The main constituents of D...
January 2017: Natural Product Research
https://www.readbyqxmd.com/read/27438246/remediation-of-nitrate-contaminated-wastewater-using-denitrification-biofilters-with-straws-of-ornamental-flowers-added-as-carbon-source
#17
Junjun Chang, Luyao Ma, Yuanyang Zhou, Shenghua Zhang, Weilu Wang
Straws of four ornamental flowers (carnation, rose, lily, and violet) were added into denitrification biofilters using gravel as matrix through vertically installed perforated polyvinylchloride pipes to provide organic carbon for the treatment of nitrate-contaminated wastewater operating in batch mode. Removal efficiencies of nitrate and phosphate, as well as temporal variations of nitrogen and carbon during batches 10 and 19, were investigated and assessed. Nitrate removal was efficiently enhanced by the addition of flower straws, but decreased gradually as the organic substances were consumed...
2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/27367173/preservation-of-cognitive-and-musical-abilities-of-a-musician-following-surgery-for-chronic-drug-resistant-temporal-lobe-epilepsy-a-case-report
#18
Shantala Hegde, Rose Dawn Bharath, Malla Bhaskara Rao, Karthik Shiva, Arivazhagan Arimappamagan, Sanjib Sinha, Jamuna Rajeswaran, Parthasarathy Satishchandra
Mesial temporal lobe epilepsy (TLE) affects a range of cognitive functions and musical abilities. We report a 16-year-old boy diagnosed with drug-resistant right-medial TLE. He is a professional musician, trained in Carnatic classical music. Clinical, electrophysiological, magnetic resonance imaging (MRI) and positron emission tomography evaluation localized the seizure focus to the right medial temporal lobe. Patient underwent detailed neuropsychological evaluation and functional MRI (fMRI) for musical abilities prior to surgery...
December 2016: Neurocase
https://www.readbyqxmd.com/read/27145634/a-minimal-cost-micropropagation-protocol-for-dianthus-caryophyllus-l-a-commercially-significant-venture
#19
Manu Pant
In tissue culture, high production cost of the products restricts their reach. Though tissue culture is a major strength in floriculture it is marred by pricing issues. Hence, we developed a complete regeneration low cost micropropagation protocol for an economically important floriculture crop, carnation (Dianthus caryophyllus L.). Successful regeneration of carnation from nodal explants on cost-efficient medium indicates that psyllium husk, sugar and RO water can effectively replace the conventional medium comprising agar, sucrose and distilled water...
March 2016: Indian Journal of Experimental Biology
https://www.readbyqxmd.com/read/26800028/leaf-morphology-assisted-selection-for-resistance-to-two-spotted-spider-mite-tetranychus-urticae-koch-acari-tetranychidae-in-carnations-dianthus-caryophyllus-l
#20
Kousuke Seki
BACKGROUND: The development of a cultivar resistant to the two-spotted spider mite has provided both ecological and economic benefits to the production of cut flowers. This study aimed to clarify the mechanism of resistance to mites using an inbred population of carnations. RESULTS: In the resistant and susceptible plants selected from an inbred population, a difference was recognised in the thickness of the abaxial palisade tissue by microscopic examination of the damaged leaf...
October 2016: Pest Management Science
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