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https://www.readbyqxmd.com/read/28534424/the-bioassay-guided-isolation-of-antifungal-saponins-from-hosta-plantaginea-leaves
#1
Meng-Yue Wang, Ying Peng, Chong-Sheng Peng, Jiang-Yuan Qu, Xiao-Bo Li
Four new steroidal saponins hostaside Ⅰ (1), hostaside Ⅱ (2), hostaside Ⅲ (3), and hostaside Ⅳ (4), together with five known steroidal saponins (5-9), were isolated by the bioassay-guided fractionation from the leaves of Hosta plantaginea (Lam.) Aschers, a worldwide well-known ornamental plant. Hostasides Ⅰ and Ⅱ showed significant antifungal activities, and they could inhibit the growth of Candida albicans and Fusarium oxysporium with MIC values as low as 4 μg/ml.
May 23, 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/28528498/lipopeptides-produced-by-bacillus-subtilis-as-new-biocontrol-products-against-fusariosis-in-ornamental-plants
#2
Gabriela Mihalache, Tiberius Balaes, Irina Gostin, Marius Stefan, François Coutte, François Krier
In this study, we have investigated the effects of three lipopeptides (fengycin, surfactin and mycosubtilin) produced by different strains of Bacillus subtilis against the phytopathogenic fungi Fusarium oxysporum f. sp. iridacearum, which affects the ornamental bulb plant populations of Iris sp. The antifungal effects were tested using minimum inhibitory concentration assay, determination of mycelium growth and spore germination inhibition rates. Also, in vivo tests on infected rhizomes and scanning electron microscopy were employed...
May 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28527099/molecular-diversity-among-viroids-infecting-chrysanthemum-in-india
#3
C R Adkar-Purushothama, G Chennappa, K Poornachandra Rao, M Y Sreenivasa, P K Maheshwar, M N Nagendra Prasad, T Sano
Association of Chrysanthemum stunt viroid (CSVd) and Chrysanthemum chlorotic mottle viroid (CChMVd) with the Chrysanthemum plants exhibiting severe stunting, distinct yellow leaf mottling, and chlorosis was detected in the main chrysanthemum-growing regions of India. Sequence analysis of 90 cDNA clones obtained for CSVd and CChMVd, representing the chrysanthemum-growing regions of India, revealed the high degree of sequence variation throughout the genome under natural conditions. Additionally, all the analyzed CChMVd clones revealed the presence of UUUC in the tetraloop, a signature of symptomatic variants in susceptible cultivars...
May 19, 2017: Virus Genes
https://www.readbyqxmd.com/read/28523618/the-effect-of-sewage-sludge-on-heavy-metal-concentrations-in-wheat-plant-triticum-aestivum-l
#4
Fatemeh Shahbazi, Somayeh Ghasemi, Hamid Sodaiezadeh, Kobra Ayaseh, Rasool Zamani-Ahmadmahmoodi
The use of sewage sludge in agricultural soils can improve soil physical and chemical properties and soil fertility by increasing organic materials; however, the presence of heavy metals in sewage sludge is a significant problem for the quality of agricultural products and the environment. Most heavy metals, due to their inactive nature, are stable and can affect human health. This study investigates the effect of sewage sludge on the concentration of copper, zinc, cadmium, lead, iron, and manganese in two varieties of wheat, i...
May 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28515435/genetic-diversity-of-armored-scales-hemiptera-diaspididae-and-soft-scales-hemiptera-coccidae-in-chile
#5
P Amouroux, D Crochard, J-F Germain, M Correa, J Ampuero, G Groussier, P Kreiter, T Malausa, T Zaviezo
Scale insects (Sternorrhyncha: Coccoidea) are one of the most invasive and agriculturally damaging insect groups. Their management and the development of new control methods are currently jeopardized by the scarcity of identification data, in particular in regions where no large survey coupling morphological and DNA analyses have been performed. In this study, we sampled 116 populations of armored scales (Hemiptera: Diaspididae) and 112 populations of soft scales (Hemiptera: Coccidae) in Chile, over a latitudinal gradient ranging from 18°S to 41°S, on fruit crops, ornamental plants and trees...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28499243/diospyros-an-under-utilized-multi-purpose-plant-genus-a-review
#6
REVIEW
Abdur Rauf, Ghias Uddin, Seema Patel, Ajmal Khan, Sobia Ahsan Halim, Saud Bawazeer, Khalid Ahmad, Naveed Muhammad, Mohammad S Mubarak
The genus Diospyros from family Ebenaceae has versatile uses including edible fruits, valuable timber, and ornamental uses. The plant parts of numerous species have been in use as remedies in various folk healing practices, which include therapy for hemorrhage, incontinence, insomnia, hiccough, diarrhea etc. Phytochemical constituents such as terpenoids, ursanes, lupanes, polyphenols, tannins, hydrocarbons, and lipids, benzopyrones, naphthoquinones, oleananes, and taraxeranes have been isolated from different species of this genus...
May 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28494755/transcriptome-analysis-of-the-whitefly-bemisia-tabaci-meam1-during-feeding-on-tomato-infected-with-the-crinivirus-tomato-chlorosis-virus-identifies-a-temporal-shift-in-gene-expression-and-differential-regulation-of-novel-orphan-genes
#7
Navneet Kaur, Wenbo Chen, Yi Zheng, Daniel K Hasegawa, Kai-Shu Ling, Zhangjun Fei, William M Wintermantel
BACKGROUND: Whiteflies threaten agricultural crop production worldwide, are polyphagous in nature, and transmit hundreds of plant viruses. Little is known how whitefly gene expression is altered due to feeding on plants infected with a semipersistently transmitted virus. Tomato chlorosis virus (ToCV; genus Crinivirus, family Closteroviridae) is transmitted by the whitefly (Bemisia tabaci) in a semipersistent manner and infects several globally important agricultural and ornamental crops, including tomato...
May 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28480410/effects-of-cold-stratification-and-ga3-on-germination-of-arbutus-unedo-seeds-of-three-provenances
#8
Elias Pipinis, Athanasios Stampoulidis, Elias Milios, Kyriaki Kitikidou, Kalliopi Radoglou
BACKGROUND: Arbutus unedo is a valuable Mediterranean shrub as an ornamental plant as well as fruit tree. Fresh fruits of A. unedo are a good source of antioxidants, of vitamins C, E and carotenoids and also are characterized by the high content of mineral elements. MATERIALS AND METHODS: The effects of gibberellic acid (GA3) and cold stratification (CS) on seed germination performance were investigated in A. unedo seeds collected from three provenances in the Northern part of Greece...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28480127/towards-providing-solutions-to-the-air-quality-crisis-in-the-mexico-city-metropolitan-area-carbon-sequestration-by-succulent-species-in-green-roofs
#9
Margarita Collazo-Ortega, Ulises Rosas, Jerónimo Reyes-Santiago
INTRODUCTION: In the first months of 2016, the Mexico City Metropolitan Area experienced the worst air pollution crisis in the last decade, prompting drastic short-term solutions by the Mexico City Government and neighboring States. In order to help further the search for long-term sustainable solutions, we felt obliged to immediately release the results of our research regarding the monitoring of carbon sequestration by green roofs. Large-scale naturation, such as the implementation of green roofs, provides a way to partially mitigate the increased carbon dioxide output in urban areas...
March 31, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28476175/biochemical-and-proteomics-analyses-of-antioxidant-enzymes-reveal-the-potential-stress-tolerance-in-rhododendron-chrysanthum-pall
#10
Xiaofu Zhou, Silin Chen, Hui Wu, Yi Yang, Hongwei Xu
BACKGROUND: Rhododendron chrysanthum Pall., an endangered species with significant ornamental and medicinal value, is endemic to the Changbai Mountain of China and can also serve as a significant plant resource for investigating the stress tolerance in plants. Proteomics is an effective analytical tool that provides significant information about plant metabolism and gene expression. However, no proteomics data have been reported for R. chrysanthum previously. In alpine tundra, the abiotic stress will lead to a severe over-accumulation of reactive oxygen species (ROS)...
May 3, 2017: Biology Direct
https://www.readbyqxmd.com/read/28473834/biotechnological-advancements-for-improving-floral-attributes-in-ornamental-plants
#11
REVIEW
Ali Noman, Muhammad Aqeel, Jianming Deng, Noreen Khalid, Tayyaba Sanaullah, He Shuilin
Developing new ornamental cultivars with improved floral attributes is a major goal in floriculture. Biotechnological approach together with classical breeding methods has been used to modify floral color, appearance as well as for increasing disease resistance. Transgenic strategies possess immense potential to produce novel flower phenotypes that are not found in nature. Adoption of Genetic engineering has supported the idea of floral trait modification. Ornamental plant attributes like floral color, fragrance, disease resistance, and vase life can be improved by means of genetic manipulation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28459054/application-of-genomic-in-situ-hybridization-in-horticultural-science
#12
REVIEW
Fahad Ramzan, Adnan Younis, Ki-Byung Lim
Molecular cytogenetic techniques, such as in situ hybridization methods, are admirable tools to analyze the genomic structure and function, chromosome constituents, recombination patterns, alien gene introgression, genome evolution, aneuploidy, and polyploidy and also genome constitution visualization and chromosome discrimination from different genomes in allopolyploids of various horticultural crops. Using GISH advancement as multicolor detection is a significant approach to analyze the small and numerous chromosomes in fruit species, for example, Diospyros hybrids...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28446145/genome-wide-analysis-of-atp-binding-cassette-abc-transporters-in-the-sweetpotato-whitefly-bemisia-tabaci
#13
Lixia Tian, Tianxue Song, Rongjun He, Yang Zeng, Wen Xie, Qingjun Wu, Shaoli Wang, Xuguo Zhou, Youjun Zhang
BACKGROUND: ABC transporter superfamily is one of the largest and ubiquitous groups of proteins. Because of their role in detoxification, insect ABC transporters have gained more attention in recent years. In this study, we annotated ABC transporters from a newly sequenced sweetpotato whitefly genome. Bemisia tabaci Q biotype is an emerging global invasive species that has caused extensive damages to field crops as well as ornamental plants. RESULTS: A total of 55 ABC transporters containing all eight described subfamilies (A to H) were identified in the B...
April 26, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28445423/anthocyanin-profiles-in-flowers-of-grape-hyacinth
#14
Qian Lou, Lin Wang, Hongli Liu, Yali Liu
Grape hyacinth (Muscari spp.) is a popular ornamental bulbous perennial famous for its blue flowers. To understand the chemical basis of the rich blue colors in this plant, anthocyanin profiles of six blue flowering grape hyacinths as well as one pink and one white cultivar were determined using high-performance liquid chromatography and mass spectrometry. Along with two known compounds, eight putative anthocyanins were identified in the tepals of grape hyacinth for the first time. The accumulation and distribution of anthocyanins in the plant showed significant cultivar and flower development specificity...
April 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28438632/molecular-diagnostic-development-for-begomovirus-betasatellite-complexes-undergoing-diversification-a-case-study
#15
Judith K Brown, Muhammad Zia Ur-Rehman, Sofia Avelar, N Chingandu, Usman Hameed, Saleem Haider, Muhammad Ilyas
At least five begomoviral species that cause leaf curl disease of cotton have emerged recently in Asia and Africa, reducing fiber quality and yield. The potential for the spread of these viruses to other cotton-vegetable growing regions throughout the world is extensive, owing to routine, global transport of alternative hosts of the leaf curl viruses, especially ornamentals. The research reported here describes the design and validation of polymerase chain reaction (PCR) primers undertaken to facilitate molecular detection of the two most-prevalent leaf curl-associated begomovirus-betasatellite complexes in the Indian Subcontinent and Africa, the Cotton leaf curl Kokhran virus-Burewala strain and Cotton leaf curl Gezira virus, endemic to Asia and Africa, respectively...
April 22, 2017: Virus Research
https://www.readbyqxmd.com/read/28437777/testing-decontaminated-sediments-as-a-substrate-for-ornamentals-in-field-nursery-plantations
#16
Francesca Ugolini, Costanza Calzolari, Giuseppe Mario Lanini, Luciano Massetti, Stefania Pollaki, Antonio Raschi, Francesco Sabatini, Giacomo Tagliaferri, Fabrizio Ungaro, Daniele Massa, Maurizio Antonetti, Carlos Garcia Izquierdo, Cristina Macci, Grazia Masciandaro
When canals and harbours are dredged, huge amount of polluted sediments has to be stocked and transported to the landfill with incredibly high costs of management. Among the remediation techniques for the reclamation of polluted sediments and soils, phytoremediation represents a sustainable and effective technique though still not fully promoted or commercialized. In this study we have tested the suitability for plant nursing of a substrate resulting from sediments dredged from a canal and treated with phytoremediation...
April 21, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28422996/overexpression-of-an-eazip-gene-devoid-of-transit-peptide-sequence-induced-leaf-variegation-in-tobacco
#17
Xiayu Guan, Zhijian Li, Zhiliang Zhang, Xiangying Wei, Jiahua Xie, Jianjun Chen, Qingxi Chen
Leaf variegation is an ornamental trait that is not only biologically but also economically important. In our previous study, a Mg-protoporphyrin IX monomethyl ester cyclase homologue, EaZIP (Epipremnum aureum leucine zipper) was found to be associated with leaf variegation in Epipremnum aureum (Linden & Andre) G.S. Bunting. The protein product of this nuclear-encoded gene is targeted back to chloroplast involving in chlorophyll biosynthesis. Based on a web-based homology analysis, the EaZIP was found to lack a chloroplast transit peptide (cTP) sequence...
2017: PloS One
https://www.readbyqxmd.com/read/28422496/the-combined-use-of-proteomics-and-transcriptomics-reveals-a-complex-secondary-metabolite-network-in-peperomia-obtusifolia
#18
Andrea N L Batista, José Roberto A Dos Santos-Pinto, João M Batista, Tatiana M Souza-Moreira, Mariana M Santoni, Cleslei F Zanelli, Massuo J Kato, Silvia N López, Mario S Palma, Maysa Furlan
Peperomia obtusifolia, an ornamental plant from the Piperaceae family, accumulates a series of secondary metabolites with interesting biological properties. From a biosynthesis standpoint, this species produces several benzopyrans derived from orsellinic acid, which is a polyketide typically found in fungi. Additionally, the chiral benzopyrans were reported as racemic and/or as diastereomeric mixtures, which raises questions about the level of enzymatic control in the cyclization step for the formation of the 3,4-dihydro-2H-pyran moiety...
April 19, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28421827/pediatric-nandina-domestica-ingestions-reported-to-poison-centers
#19
M B Forrester
Nandina domestica is grown as an ornamental plant in the United States but has also been reported as an invasive plant in a number of states. Parts of the plant, particularly the berries, contain cyanogenic glycosides that convert to hydrogen cyanide when ingested. This investigation characterized N. domestica ingestions involving patients of age 5 years and less reported to Texas poison centers during 2000-2015. There were 875 total N. domestica ingestions. A seasonal pattern was observed with the highest proportion of ingestions occurring in March (18...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28421120/in-vitro-and-in-vivo-studies-on-quercus-acuta-thunb-fagaceae-extract-active-constituents-serum-uric-acid-suppression-and-xanthine-oxidase-inhibitory-activity
#20
In-Soo Yoon, Dae-Hun Park, Min-Suk Bae, Deuk-Sil Oh, Nan-Hui Kwon, Jung-Eun Kim, Chul-Yung Choi, Seung-Sik Cho
Quercus acuta Thunb. (Fagaceae) (QA) is cultivated as a dietary and ornamental plant in China, Japan, South Korea, and Taiwan. It has been widely used as the main ingredient of acorn tofu, a traditional food in China and South Korea. The aim of this study was to determine in vitro and in vivo xanthine oxidase (XO) inhibitory and antihyperuricemic activities of an ethyl acetate extract of QA leaf (QALE) and identify its active phytochemicals using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography (LC) systems...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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