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https://www.readbyqxmd.com/read/29331925/overexpression-of-chrysanthemum-lavandulifolium-clcbf1-in-chrysanthemum-morifolium-white-snow-improves-the-level-of-salinity-and-drought-tolerance
#1
Wenjie Gao, Miao He, Jie Liu, Xin Ma, Yu Zhang, Silan Dai, Yunwei Zhou
This paper reports the first study on plant CBF transcription factors (TF) in salt and drought stress responses in Chrysanthemum lavandulifolium. A CBF homolog gene, named as ClCBF1, from C. lavandulifolium was isolated using rapid amplification of cDNA ends (RACE). The deduced peptide is comprised of 210 amino acids (AA) containing an AP2 structural domain characteristic of the AP2 gene family. Quantitative real-time PCR revealed that ClCBF1 gene exhibit differential expression patterns across root, leaf and stem tissues, and it was strongly induced under salt and drought treatments of C...
January 8, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29299623/bioprospection-of-culturable-endophytic-fungi-associated-with-the-ornamental-plant-pachystachys-lutea
#2
Amanda da Silva Ribeiro, Julio Cesar Polonio, Alessandra Tenório Costa, Caroline Menicoze Dos Santos, Sandro Augusto Rhoden, João Lúcio Azevedo, João Alencar Pamphile
Endophytes are fungi and bacteria that inhabit plant tissues without causing disease. Endophytes have characteristics that are important for the health of the plant and have been isolated from several plants of economic and medicinal interest but rarely from ornamental plants. The current study isolates and identifies endophytic fungi from the leaves of Pachystachys lutea and evaluates the antagonistic activity of these endophytes as well as cellulase production by the endophytes. Fungi were isolated by fragmentation from surface-disinfected leaves and were identified by the sequencing of the ITS gene and the genes coding for EF 1-α and β-tubulin followed by multilocus sequence analysis...
January 3, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29281063/linking-demography-and-consumption-of-henosepilachna-vigintioctopunctata-coleoptera-coccinellidae-fed-on-solanum-photeinocarpum-solanales-solanaceae-with-a-new-method-to-project-the-uncertainty-of-population-growth-and-consumption
#3
Hsiu-Wen Huang, Hsin Chi, Cecil L Smith
Because life tables are capable of providing the most comprehensive description on the survival, stage differentiation, and the reproduction of animal populations, they can be considered as the bases of population ecology and pest management. Researchers concerned with studies involving life tables inevitably face the problem of describing the variabilities that occur in the survival, stage differentiation, and fecundity data. Finding a means to include these variabilities in population projections concerning pest management may be problematic...
December 21, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29273002/mining-and-expression-analysis-of-candidate-genes-involved-in-regulating-the-chilling-requirement-fulfillment-of-paeonia-lactiflora-hang-baishao
#4
Jiaping Zhang, Danqing Li, Xiaohua Shi, Dong Zhang, Shuai Qiu, Jianfen Wei, Jiao Zhang, Jianghua Zhou, Kaiyuan Zhu, Yiping Xia
BACKGROUND: The artificial enlargement of the planting area and ecological amplitude of ornamentals for horticultural and landscape applications are significant. Herbaceous peony (Paeonia lactiflora Pall.) is a world-famous ornamental with attractive and fragrant flowers and is mainly planted in temperate and cool areas. Comparatively higher winter temperatures in the subtropical and tropical Northern Hemisphere result in a deficit of chilling accumulation for bud dormancy release, which severely hinders "The southward plantation of herbaceous peony"...
December 22, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29261787/a-review-of-the-early-stages-and-host-plants-of-the-genera-eumerus-and-merodon-diptera-syrphidae-with-new-data-on-four-species
#5
Antonio Ricarte, Gabriel J Souba-Dols, Martin Hauser, Mª Ángeles Marcos-García
The genera Eumerus and Merodon (Diptera: Syrphidae) have a high taxonomic diversity (300+ species altogether), but life histories of most species are unknown. In addition, these hoverfly genera are recognised to be pests (ornamental plants and vegetable crops). In this paper, early stages of four hoverfly species are described, Eumerus hungaricus Szilády, 1940, Eumerus nudus Loew, 1848 and Merodon geniculatus Strobl, 1909, from Spain, and Eumerus strigatus Walker, 1859, from California, USA. Larvae of E. nudus were obtained from swollen roots of Asphodelus cerasiferus J...
2017: PloS One
https://www.readbyqxmd.com/read/29260377/characterization-of-gladiolus-germplasm-using-morphological-physiological-and-molecular-markers
#6
Niraj Singh, Ashish K Pal, R K Roy, S K Tewari, Sushma Tamta, T S Rana
Estimation of variability and genetic relationships among breeding materials is one of the important strategies in crop improvement programs. Morphological (plant height, spike length, a number of florets/spike), physiological (chlorophyll content, chlorophyll fluorescence, and rapid light curve parameters) and Directed amplification of minisatellite DNA (DAMD) markers were used to investigate the relationships among 50 Gladiolus cultivars. Cluster analysis based on morphological data, physiological characteristics, molecular markers, and cumulative data discriminated all cultivars into seven, five, seven, and six clusters in the unweighted pair-group method using arithmetic mean (UPGMA) dendrogram, respectively...
December 20, 2017: Biochemical Genetics
https://www.readbyqxmd.com/read/29250086/dianthus-chinensis-l-the-structural-difference-between-vascular-bundles-in-the-placenta-and-ovary-wall-suggests-their-different-origin
#7
Xue-Min Guo, Ying-Ying Yu, Lan Bai, Rong-Fu Gao
Dianthus chinensis is a perennial herbaceous plant with great ornamental, botanical, ecological, and medicinal value. The pistil of D. chinensis is composed of two fused carpels with free central placenta and two separate styles. The placenta is a columnar structure extending about two-thirds the length of the maturing fruit, which is typical of the Caryophyllaceous. Traditionally, free central placenta is thought to have evolved from axial placenta by septal disappearance, and axial placenta to have occurred through fusion of conduplicate carpels with marginal placenta...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29247382/effects-of-phytophthora-ramorum-on-volatile-organic-compound-emissions-of-rhododendron-using-gas-chromatography-mass-spectrometry
#8
Mitchel M McCartney, Tatiana V Roubtsova, Mei S Yamaguchi, Takao Kasuga, Susan E Ebeler, Cristina E Davis, Richard M Bostock
Phytophthora ramorum is an invasive and devastating plant pathogen that causes sudden oak death in coastal forests in the western United States and ramorum blight in nursery ornamentals and native plants in various landscapes. As a broad host-range quarantine pest that can be asymptomatic in some hosts, P. ramorum presents significant challenges for regulatory efforts to detect and contain it, particularly in commercial nurseries. As part of a program to develop new detection methods for cryptic infections in nursery stock, we compared volatile emissions of P...
December 15, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29236853/pollen-morphology-and-viability-in-bromeliaceae
#9
Everton H Souza, Fernanda V D Souza, Mônica L Rossi, Renan M Packer, Maria Amelia V Cruz-Barros, Adriana P Martinelli
Pollen morphology characterization is important in taxonomy, conservation and plant breeding, and pollen viability studies can support breeding programs. This study investigated pollen morphology and male fertility in 18 species of Bromeliaceae with ornamental potential. For morphological characterization, pollen grains were acetolyzed and characterization of exine was done using scanning and transmission electron microscopy. Pollen viability was investigated by in vitro germination and histochemical tests...
December 7, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29232522/molecular-analysis-of-anthocyanin-related-genes-in-ornamental-cabbage
#10
Si-Won Jin, Md Abdur Rahim, Hoy-Taek Kim, Jong-In Park, Jong-Goo Kang, Ill-Sup Nou
Ornamental cabbage (Brassica oleracea var. acephala) is a winter-grown and important decorative plant of the Brassicaceae family, which displays an exceptional coloration in the central leaves of the rosette. Anthocyanins are the key determinant of the red, purple and blue colors of vegetative and reproductive parts of many plant species including ornamental cabbage. Total anthocyanin content was measured spectrophotometrically and the highest anthocyanin content detected in the red followed by light-red and white ornamental cabbage lines...
December 12, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/29224128/identification-of-a-new-begomovirus-infecting-duranta-repens-in-pakistan
#11
Sidra Anwar, Muhammad Tahir
Ornamental perennial plants may serve as reservoirs for viruses that infect field crops. Duranta repens is an ornamental shrub that frequently exhibits leaf curl symptoms typical of begomoviral infection. Two begomoviruses or DNA-A components (isolates 57SA and 58SA) along with a DNA-B component (31SA) were identified in a symptomatic D. repens plant. Isolates 57SA and 58SA showed the highest nucleotide sequence identity of 90% and 92.2% to catharanthus yellow mosaic virus (CaYMV) and chilli leaf curl India virus (ChiLCINV), respectively, whereas 31SA shared the highest nucleotide sequence identity of 95...
December 9, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29211730/a-continuous-morphological-approach-to-study-the-evolution-of-pollen-in-a-phylogenetic-context-an-example-with-the-order-myrtales
#12
Ricardo Kriebel, Mohammad Khabbazian, Kenneth J Sytsma
The study of pollen morphology has historically allowed evolutionary biologists to assess phylogenetic relationships among Angiosperms, as well as to better understand the fossil record. During this process, pollen has mainly been studied by discretizing some of its main characteristics such as size, shape, and exine ornamentation. One large plant clade in which pollen has been used this way for phylogenetic inference and character mapping is the order Myrtales, composed by the small families Alzateaceae, Crypteroniaceae, and Penaeaceae (collectively the "CAP clade"), as well as the large families Combretaceae, Lythraceae, Melastomataceae, Myrtaceae, Onagraceae and Vochysiaceae...
2017: PloS One
https://www.readbyqxmd.com/read/29189719/transcriptional-and-hormonal-regulation-of-weeping-trait-in-salix-matsudana
#13
Juanjuan Liu, Yanfei Zeng, Pengcheng Yan, Caiyun He, Jianguo Zhang
Salix matsudana is a large and rapidly-growing tree, with erect or spreading branchlets (upright willow). However, S. matsudana var. pseudomatsudana is one of the varietas, with pendulous branchlets (weeping willow). It has high ornamental value for its graceful pendulous branches. In order to study the molecular basis for this weeping trait, leaves and stems collected at different developmental stages were analyzed using RNA-seq coupled with digital gene expression. Although weeping trees are used worldwide as landscape plants, little is known about the genes that control weeping...
November 30, 2017: Genes
https://www.readbyqxmd.com/read/29186190/the-sentinel-tree-nursery-as-an-early-warning-system-for-pathway-risk-assessment-fungal-pathogens-associated-with-chinese-woody-plants-commonly-shipped-to-europe
#14
Anna Maria Vettraino, Hong-Mei Li, Rene Eschen, Carmen Morales-Rodriguez, Andrea Vannini
Introduction of and invasion by alien plant pathogens represents the main cause of emerging infectious diseases affecting domesticated and wild plant species worldwide. The trade in living plants is the most common pathway of introduction. Many of the alien tree pathogens recently introduced into Europe were not previously included on any quarantine lists. To help determine the potential risk of pest introduction through trading of ornamental plants, a sentinel nursery was established in Beijing, China in 2008...
2017: PloS One
https://www.readbyqxmd.com/read/29168730/comparative-proteomics-analyses-of-pollination-response-in-endangered-orchid-species-dendrobium-chrysanthum
#15
Wei Wang, Hongyang Yu, Tinghai Li, Lexing Li, Guoqiang Zhang, Zhongjian Liu, Tengbo Huang, Yongxia Zhang
Pollination is a crucial stage in plant reproductive process. The self-compatibility (SC) and self-incompatibility (SI) mechanisms determined the plant genetic diversity and species survival. D. chrysanthum is a highly valued ornamental and traditional herbal orchid in Asia but has been declared endangered. The sexual reproduction in D. chrysanthum relies on the compatibility of pollination. To provide a better understanding of the mechanism of pollination, the differentially expressed proteins (DEP) between the self-pollination (SP) and cross-pollination (CP) pistil of D...
November 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29166855/identification-of-differentially-expressed-genes-in-flower-leaf-and-bulb-scale-of-lilium-oriental-hybrid-sorbonne-and-putative-control-network-for-scent-genes
#16
Fang Du, Junmiao Fan, Ting Wang, Yun Wu, Donald Grierson, Zhongshan Gao, Yiping Xia
BACKGROUND: Lily is an economically important plant, with leaves and bulbs consisting of overlapping scales, large ornamental flowers and a very large genome. Although it is recognized that flowers and bulb scales are modified leaves, very little is known about the genetic control and biochemical differentiation underlying lily organogenesis and development. Here we examined the differentially expressed genes in flower, leaf and scale of lily, using RNA-sequencing, and identified organ-specific genes, including transcription factors, genes involved in photosynthesis in leaves, carbohydrate metabolism in bulb scales and scent and color production in flowers...
November 22, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29166547/chemical-metabolome-assay-by-high-resolution-orbitrap-mass-spectrometry-and-assessment-of-associated-antitumoral-activity-of-actinocephalus-divaricatus
#17
Ana C Zanatta, Angela Mari, Milena Masullo, Iracilda Zeppone Carlos, Wagner Vilegas, Sonia Piacente, Lourdes Campaner Dos Santos
RATIONALE: Actinocephalus divaricatus (Eriocaulaceae) is an important source of income for the rural communities as it is sold as an ornamental plant. To date, no investigation has been conducted concerning the chemical composition and biological studies of the aerial parts of A. divaricatus. METHODS: The methanolic extract of the aerial parts of this species was chemically characterized. We applied an analytical dereplication approach based on Liquid Chromatography coupled to High Resolution Orbitrap Mass Spectrometry in order to develop, identify and define rapidly the metabolite fingerprint of the aerial parts of A...
November 22, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29163615/assessing-the-pathogenic-ability-of-ralstonia-pseudosolanacearum-ralstonia-solanacearum-phylotype-i-from-ornamental-rosa-spp-plants
#18
Napoleon N A Tjou-Tam-Sin, Jeroen L J van de Bilt, Marcel Westenberg, Peggy P M A Gorkink-Smits, N Marco Landman, Maria Bergsma-Vlami
Ralstonia pseudosolanacearum (Ralstonia solanacearum phylotype I) isolates found in stunted, yellowing, and wilted ornamental rose (Rosa spp.) were assessed for their pathogenic ability in two rose cultivars (cv. "Armando" and cv. "Red Naomi") and in four solanaceous crops: tomato (Solanum lycopersicum cv. "Money Maker"), tobacco (Nicotiana tabacum cv. "White Burley"), eggplant (Solanum melongena cv. "Black Beauty") and sweet pepper (Capsicum annum cv. "Yolo Wonder"). Significant differences were observed in susceptibility between the two rose cultivars as well as between the two modes of inoculation performed...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29160011/microscopic-investigations-of-palynological-features-of-convolvulaceous-species-from-arid-zone-of-pakistan
#19
Shomaila Ashfaq, Muhammad Zafar, Mushtaq Ahmad, Shazia Sultana, Siraj Bahadur, Adeel Khan, Amin Shah
The pollen morphology of some species of glamorous family Convolvulaceae from arid zones of Pakistan has been evaluated. The pollen grains were acetolyzed, measured, described qualitatively, and illustrated using Light microscopy and scanning electron microscopy (SEM). The examined species have differences in shape, size, polarity and exine ornamentation, confirming the eurypalynous character. The pollen types varies from psilate to echinate and colpi to tricolporate, tetracolporate and pantocolporate. Exine ornamentation was exposed as perforate, reticulate and echinate...
November 21, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29157811/bud-extracts-from-salix-caprea-l-inhibit-voltage-gated-calcium-channels-and-catecholamines-secretion-in-mouse-chromaffin-cells
#20
Chiara Calorio, Dario Donno, Claudio Franchino, Valentina Carabelli, Andrea Marcantoni
BACKGROUND: Salix caprea L. is an ornamental plant with prominent antioxidant activity. In the last decades Salix caprea bud extracts (SCBEs) have been used for the treatment of oxidative stress related disorders. PURPOSE: A large part of cellular functions depends on the amount of intracellular Ca(2+) concentration which in turn is mainly determined by Ca(2+) ions movements across plasma membrane as well as by Ca(2+) released from the stores. For better evaluating the mechanism of action of SCBEs, we focused on the effect of SCBEs on voltage gated Ca(2+) channels (VGCCs) functioning and related catecholamines secretion in mouse chromaffin cells (MCCs)...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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