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https://www.readbyqxmd.com/read/28422996/overexpression-of-an-eazip-gene-devoid-of-transit-peptide-sequence-induced-leaf-variegation-in-tobacco
#1
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
#2
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
#3
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
#4
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
https://www.readbyqxmd.com/read/28418429/chemical-constituents-radical-scavenging-activity-and-enzyme-inhibitory-capacity-of-fruits-from-cotoneaster-pannosus-franch
#5
Francisco Les, Víctor López, Giovanni Caprioli, Romilde Iannarelli, Dennis Fiorini, Marzia Innocenti, Maria Bellumori, Filippo Maggi
Cotoneaster pannosus (Rosaceae) is a semievergreen shrub, producing globose dark red pomes, native to China and widely used as an ornamental plant all over the world. Despite its extensive cultivation, little information is available on the chemical composition and biological activities of its fruits. In this work, the analysis of the chemical composition of C. pannosus fruits, in terms of phenolic components, carotenoids and ascorbic acid by HPLC/DAD, HPLC/ESI-MS and MS/MS as well as in terms of macro- and micro-nutrients was performed...
April 18, 2017: Food & Function
https://www.readbyqxmd.com/read/28406446/is-there-any-alternative-to-canonical-dna-barcoding-of-multicellular-eukaryotic-species-a-case-for-the-tubulin-gene-family
#6
Diego Breviario
Modern taxonomy is largely relying on DNA barcoding, a nucleotide sequence-based approach that provides automated species identification using short orthologous DNA regions, mainly of organellar origin when applied to multicellular Eukaryotic species. Target DNA loci have been selected that contain a minimal amount of nucleotide sequence variation within species while diverging among species. This strategy is quite effective for the identification of vertebrates and other animal lineages but poses a problem in plants where different combinations of two or three loci are constantly used...
April 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28379966/revision-of-series-gravesiana-adiantum-l-based-on-morphological-characteristics-spores-and-phylogenetic-analyses
#7
Ai-Hua Wang, Fa-Guo Wang, Wan-Wan Zhang, Xiao-Dong Ma, Xu-Wen Li, Qi-Fei Yi, Dong-Lin Li, Lei Duan, Yue-Hong Yan, Fu-Wu Xing
Since the adoption of some ambiguous and quantitative characters in Flora Republicae Popularis Sinicae 3(1), species identifications of the series Gravesiana have been in disarray, requiring clarification. Two hundred and fifty-nine individuals from 47 different populations were collected for the estimation of morphological characters and phylogenetic analyses. Spores of 26 populations were observed through scanning electron microscope. Our results were different from those of previous research: (1) six identifiable species, rather than five species observed previously, were confirmed in the series Gravesiana, they are A...
2017: PloS One
https://www.readbyqxmd.com/read/28379400/temporal-patterns-in-the-abundance-and-species-composition-of-spiders-on-host-plants-of-the-invasive-moth-epiphyas-postvittana-lepidoptera-tortricidae
#8
Brian N Hogg, Nicholas J Mills, Kent M Daane
Generalist predators such as spiders may help mitigate the spread and impact of exotic herbivores. The lack of prey specificity and long generation times of spiders may allow them to persist when pests are scarce, and to limit the growth of pest populations before they reach damaging levels. We examined whether resident spiders are likely to play a role in maintaining populations of the invasive light brown apple moth, Epiphyas postvittana (Walker) (Lepidoptera: Tortricidae), below outbreak levels in California...
March 30, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28373739/phylogeny-and-taxonomy-of-the-scab-and-spot-anthracnose-fungus-elsino%C3%A3-myriangiales-dothideomycetes
#9
X L Fan, R W Barreto, J Z Groenewald, J D P Bezerra, O L Pereira, R Cheewangkoon, L Mostert, C M Tian, P W Crous
Species of Elsinoë are phytopathogens causing scab and spot anthracnose on many plants, including some economically important crops such as avocado, citrus, grapevines, and ornamentals such as poinsettias, field crops and woody hosts. Disease symptoms are often easily recognisable, and referred to as signature-bearing diseases, for the cork-like appearance of older infected tissues with scab-like appearance. In some Elsinoë-host associations the resulting symptoms are better described as spot anthracnose...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28369577/susceptibility-of-med-q1-and-med-q3-biotypes-of-bemisia-tabaci-hemiptera-aleyrodidae-populations-to-essential-and-seed-oils
#10
Drabo Samuel Fogné, Gnankine Olivier, Imael H N Bassolé, Roger Charles Nébié, Mouton Laurence
Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a major pest of many agricultural and ornamental crops in tropical and subtropical regions causing damages that result in important economic losses. Insecticides are commonly used in greenhouses or fields to control B. tabaci populations leading to rapid evolution of resistance that render treatments inefficient. Therefore, and for environmental and human health concerns, other approaches must be developed for this pest management. In the present study, we compare, using the leaf dip method, the toxicity of three essential oils (Cymbopogon citratus, Ocimum americanum, and Hyptis spicigera) and three seed oils (Lannea microcarpa, Lannea acida, and Carapa procera) with three chemical insecticides (acetamiprid, deltamethrin, and chlorpyrifos-ethyl) on adults...
March 28, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28369229/legume-rhizobium-symbiotic-promiscuity-and-effectiveness-do-not-affect-plant-invasiveness
#11
Jan-Hendrik Keet, Allan G Ellis, Cang Hui, Johannes J Le Roux
Background and Aims: The ability to fix atmospheric nitrogen is thought to play an important role in the invasion success of legumes. Interactions between legumes and nitrogen-fixing bacteria (rhizobia) span a continuum of specialization, and promiscuous legumes are thought to have higher chances of forming effective symbioses in novel ranges. Using Australian Acacia species in South Africa, it was hypothesized that widespread and highly invasive species will be more generalist in their rhizobial symbiotic requirements and more effective in fixing atmospheric nitrogen compared with localized and less invasive species...
March 28, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28365550/organic-waste-vermicomposting-through-the-addition-of-rock-dust-inoculated-with-domestic-sewage-wastewater
#12
Aline Sueli de Lima Rodrigues, Carlos Mesak, Murilo Luiz Gomes Silva, Geovanna Souza Silva, Wilson Mozena Leandro, Guilherme Malafaia
The aims of the present study are to assess the organic waste vermicomposting process (cattle manure mixed with tannery sludge) by using inorganic waste (rock dust) inoculated with treated domestic wastewater sewage, as well as the vermicompost application in Ruellia brittoniana seedling production. Different proportions of organic and inorganic waste moistened (or not) in wastewater were vermicomposted (by Eisenia foetida) for 120 days in the first stage of the experiment. Statistically significant earthworm density increase was observed between the 60(th) and 90(th) experimental vermicompositing days in all the assessed groups...
March 30, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28349867/evaluation-of-dredged-sediment-co-composted-with-green-waste-as-plant-growing-media-assessed-by-eco-toxicological-tests-plant-growth-and-microbial-community-structure
#13
Paola Mattei, Roberta Pastorelli, Gabriele Rami, Stefano Mocali, Laura Giagnoni, Cristina Gonnelli, Giancarlo Renella
Dredged sediments have currently no broad reuse options as compared to other wastes due to their peculiar physico-chemical properties, posing problems for the management of the large volumes of sediments dredged worldwide. In this study we evaluated the performance of sediment (S) co-composted with green waste (GW) as growing medium for ornamental plants. Analysis of the microbial community structure, eco-toxicological tests, were conducted on sediments at 1:1 and 3:1S:GW composting ratios. Sediment-based growing media were then reused to growth the ornamental plant Photina x fraseri in a pilot-scale experiment and plants' physiological and chemical parameters were measured...
March 19, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28344586/comparative-transcriptome-reveals-benzenoid-biosynthesis-regulation-as-inducer-of-floral-scent-in-the-woody-plant-prunus-mume
#14
Kai Zhao, Weiru Yang, Yuzhen Zhou, Jie Zhang, Yushu Li, Sagheer Ahmad, Qixiang Zhang
Mei (Prunus mume) is a peculiar woody ornamental plant famous for its inviting fragrance in winter. However, in this valuable plant, the mechanism behind floral volatile development remains poorly defined. Therefore, to explore the floral scent formation, a comparative transcriptome was conducted in order to identify the global transcripts specifying flower buds and blooming flowers of P. mume. Differentially expressed genes were identified between the two different stages showing great discrepancy in floral volatile production...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28334098/untangling-the-reticulate-history-of-species-complexes-and-horticultural-breeds-in-abelia-caprifoliaceae
#15
Sven Landrein, Sven Buerki, Hua-Feng Wang, James J Clarkson
Background and Aims: The genetic and morphological consequences of natural selection and selective breeding are explored in the genus Abelia . The genus consists of ornamental shrubs endemic to China, which have been bred to create attractive and diverse cultivars. Methods: DNA fingerprinting (AFLP) and DNA sequence data are used to investigate the genetic diversity among 46 accessions of Abelia (22 natural taxa and 24 horticultural breeds). In the cultivated varieties these data are used to explore taxon boundaries, hybridisation and backcrossing...
February 20, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28330324/erratum-to-molecular-characterization-of-phytoplasmas-of-clover-proliferation-group-associated-with-three-ornamental-plant-species-in-india
#16
Ekta Khasa, Gopala, Aido Taloh, K Prabha, Madhupriya, G P Rao
No abstract text is available yet for this article.
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330309/molecular-characterization-of-phytoplasmas-of-clover-proliferation-group-associated-with-three-ornamental-plant-species-in-india
#17
Ekta Khasa, Gopala, Aido Taloh, T Prabha, Madhupriya, G P Rao
Suspected phytoplasma symptoms of little leaf, yellowing, chlorosis, phyllody, witches' broom, and stunting were observed on ten different ornamental plant species at New Delhi, Andhra Pradesh, Haryana, Bengaluru, and Pune, India, during March to July 2016. To investigate the possibility of phytoplasma etiology, PCR assays were performed using universal primer pairs (P1/P7 followed by 3Far/3Rev) specific to the phytoplasma 16Sr RNA gene. First round PCR amplification with primer pair P1/P7 did not yield expected 1...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28327996/genome-sequencing-of-the-sweetpotato-whitefly-bemsia-tabaci-med-q
#18
Wen Xie, Chunhai Chen, Zezhong Yang, Litao Guo, Xin Yang, Dan Wang, Ming Chen, Jinqun Huang, Yanan Wen, Yang Zeng, Yating Liu, Jixing Xia, Lixia Tian, Hongying Cui, Qingjun Wu, Shaoli Wang, Baoyun Xu, Xianchun Li, Xinqiu Tan, Murad Ghanim, Baoli Qiu, Huipeng Pan, Dong Chu, Helene Delatte, M N Maruthi, Feng Ge, Xueping Zhou, Xiaowei Wang, Fanghao Wan, Yuzhou Du, Chen Luo, Fengming Yan, Evan L Preisser, Xiaoguo Jiao, Brad S Coates, Jinyang Zhao, Qiang Gao, Jinquan Xia, Ye Yin, Yong Liu, Judith K Brown, Xuguo Joe Zhou, Youjun Zhang
Background: The sweetpotato whitefly Bemisia tabaci is a highly destructive agricultural and ornamental crop pest. It damages host plants through both phloem feeding and vectoring plant pathogens. Introductions of B. tabaci are difficult to quarantine and eradicate because of its high reproductive rates, broad host plant range, and insecticide resistance. Findings: A total of 791 Gb of raw DNA sequence from whole genome shotgun sequencing, and 13 BAC pooling libraries were generated by Illumina sequencing using different combinations of mate-pair and pair-end libraries...
March 15, 2017: GigaScience
https://www.readbyqxmd.com/read/28288583/genetics-and-fine-mapping-of-a-purple-leaf-gene-bopr-in-ornamental-kale-brassica-oleracea-l-var-acephala
#19
Xiao-Ping Liu, Bao-Zhen Gao, Feng-Qing Han, Zhi-Yuan Fang, Li-Mei Yang, Mu Zhuang, Hong-Hao Lv, Yu-Mei Liu, Zhan-Sheng Li, Cheng-Cheng Cai, Hai-Long Yu, Zhi-Yuan Li, Yang-Yong Zhang
BACKGROUND: Due to its variegated and colorful leaves, ornamental kale (Brassica oleracea L. var. acephala) has become a popular ornamental plant. In this study, we report the fine mapping and analysis of a candidate purple leaf gene using a backcross population and an F2 population derived from two parental lines: W1827 (with white leaves) and P1835 (with purple leaves). RESULTS: Genetic analysis indicated that the purple leaf trait is controlled by a single dominant gene, which we named BoPr...
March 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28286716/most-ornamental-plants-on-sale-in-garden-centres-are-unattractive-to-flower-visiting-insects
#20
Mihail Garbuzov, Karin Alton, Francis L W Ratnieks
BACKGROUND: Gardeners and park managers seeking to support biodiversity in urban areas often plant ornamentals attractive to flower-visiting insects. There is a huge diversity of garden plant varieties, and some recommendations are available as to which are attractive to insects. However, these are largely not based on rigorous empirical data. An important factor in consumer choice is the range of varieties available for purchase. In the UK, garden centres are a key link in the supply chain between growers and private gardens...
2017: PeerJ
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