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https://www.readbyqxmd.com/read/27524305/bacterial-communities-associated-with-different-anthurium-andraeanum-l-plant-tissues
#1
Yohanna Sarria-Guzmán, Yosef Chávez-Romero, Selene Gómez-Acata, Joaquín Adolfo Montes-Molina, Eleacin Morales-Salazar, Luc Dendooven, Yendi E Navarro-Noya
Plant-associated microbes have specific beneficial functions and are considered key drivers for plant health. The bacterial community structure of healthy Anthurium andraeanum L. plants was studied by 16S rRNA gene pyrosequencing associated with different plant parts and the rhizosphere. A limited number of bacterial taxa, i.e., Sinorhizobium, Fimbriimonadales, and Gammaproteobacteria HTCC2089 were enriched in the A. andraeanum rhizosphere. Endophytes were more diverse in the roots than in the shoots, whereas all shoot endophytes were found in the roots...
September 29, 2016: Microbes and Environments
https://www.readbyqxmd.com/read/27424029/isolation-and-characterization-of-a-r2r3-myb-transcription-factor-gene-related-to-anthocyanin-biosynthesis-in-the-spathes-of-anthurium-andraeanum-hort
#2
Chonghui Li, Jian Qiu, Guangsui Yang, Surong Huang, Junmei Yin
A R2R3-MYB gene AaMYB2 was isolated from Anthurium andraeanum (Hort.) and was functionally characterized to be a positive transcriptional regulator for anthocyanin biosynthesis in the spathes and leaves. Spathe coloration is an important Anthurium andraeanum (Hort.) characteristic, which is mainly contributed by anthocyanins. R2R3-MYB transcription factors (TFs) are important regulators of anthocyanin biosynthesis in plants. Here we describe the identification and characterization of AaMYB2, a member in subgroup 6 of the R2R3-MYB TFs family, which correlated with anthocyanin biosynthesis in A...
October 2016: Plant Cell Reports
https://www.readbyqxmd.com/read/27135813/impact-of-exogenous-gaba-treatments-on-endogenous-gaba-metabolism-in-anthurium-cut-flowers-in-response-to-postharvest-chilling-temperature
#3
Morteza Soleimani Aghdam, Roohangiz Naderi, Abbasali Jannatizadeh, Mesbah Babalar, Mohammad Ali Askari Sarcheshmeh, Mojtaba Zamani Faradonbe
Anthurium flowers are susceptible to chilling injury, and the optimum storage temperature is 12.5-20 °C. The γ-aminobutyric acid (GABA) shunt pathway may alleviate chilling stress in horticultural commodities by providing energy (ATP), reducing molecules (NADH), and minimizing accumulation of reactive oxygen species (ROS). In this experiment, the impact of a preharvest spray treatment with 1 mM GABA and postharvest treatment of 5 mM GABA stem-end dipping on GABA shunt pathway activity of anthurium cut flowers (cv...
September 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/26870071/effects-of-diffuse-light-on-radiation-use-efficiency-of-two-anthurium-cultivars-depend-on-the-response-of-stomatal-conductance-to-dynamic-light-intensity
#4
Tao Li, Johannes Kromdijk, Ep Heuvelink, F R van Noort, Elias Kaiser, Leo F M Marcelis
The stimulating effect of diffuse light on radiation use efficiency (RUE) of crops is often explained by the more homogeneous spatial light distribution, while rarely considering differences in temporal light distribution at leaf level. This study investigated whether diffuse light effects on crop RUE can be explained by dynamic responses of leaf photosynthesis to temporal changes of photosynthetic photon flux density (PPFD). Two Anthurium andreanum cultivars ('Pink Champion' and 'Royal Champion') were grown in two glasshouses covered by clear (control) and diffuse glass, with similar light transmission...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/25814997/phenotype-and-transcriptome-analysis-reveals-chloroplast-development-and-pigment-biosynthesis-together-influenced-the-leaf-color-formation-in-mutants-of-anthurium-andraeanum-sonate
#5
Yuxia Yang, Xingxu Chen, Bin Xu, Yuxia Li, Yuehua Ma, Guangdong Wang
Leaf color is one of the well-sought traits in breeding program for Anthurium andraeanum Lind. Knowledge of mechanisms in anthuriums to produce leaves with different shades of green would help to effectively select desirable traits. In this study, the micro- and ultra-structural and physiological features of leaves on wild type and leaf color mutants (dark green, rubescent, etiolated, albino) in A. andraeanum 'Sonate' were analyzed. Results show that chloroplasts of leaf color mutants exhibited abnormal morphology and distribution...
2015: Frontiers in Plant Science
https://www.readbyqxmd.com/read/25781998/comparative-transcriptome-analysis-of-anthurium-albama-and-its-anthocyanin-loss-mutant
#6
Zhiying Li, Jiabin Wang, Xuequan Zhang, Li Xu
Anthurium is one of the most important tropical ornamental plants in the world. The traded value of anthurium is second only to that of tropical orchids among the tropical flowers. The spathe is the main ornamental organ and its color variation mainly arises from anthocyanin contents. Understanding the molecular regulation of spathe color will accelerate new variety creation of anthurium. To announce gene expression differences between Anthurium andraeanum 'Albama' and its one unique anthocyanin-loss mutant, we collected spathes of the wild-type and the mutant from two stages in spathe development (the flower separates protrude from the sheath and the spathe is fully expanded) and extracted total RNAs for transcriptome profiling...
2015: PloS One
https://www.readbyqxmd.com/read/25527438/improvement-of-catechin-production-in-escherichia-coli-through-combinatorial-metabolic-engineering
#7
Shujuan Zhao, J Andrew Jones, Daniel M Lachance, Namita Bhan, Omar Khalidi, Sylesh Venkataraman, Zhengtao Wang, Mattheos A G Koffas
Reconstruction of highly efficient biosynthesis pathways is essential for the production of valuable plant secondary metabolites in recombinant microorganisms. In order to improve the titer of green tea catechins in Escherichia coli, combinatorial strategies were employed using the ePathBrick vectors to express the committed catechin pathway: flavanone 3β-hydroxylase (F3H), dihydroflavonol 4-reductase (DFR), and leucoanthocyanidin reductase (LAR). Three F3H, three DFR, and two LAR genes originating from different plant species were selected and synthesized, to create 18 pathway variants to be screened in E...
March 2015: Metabolic Engineering
https://www.readbyqxmd.com/read/25376013/chemotaxonomy-of-hawaiian-anthurium-cultivars-based-on-multivariate-analysis-of-phenolic-metabolites
#8
Benjamin R Clark, Barbara J Bliss, Jon Y Suzuki, Robert P Borris
Thirty-six anthurium varieties, sampled from species and commercial cultivars, were extracted and profiled by liquid-chromatography-mass spectrometry (HPLC-MS). Three hundred fifteen compounds, including anthocyanins, flavonoid glycosides, and other phenolics, were detected from these extracts and used in chemotaxonomic analysis of the specimens. Hierarchical cluster analysis (HCA) revealed close chemical similarities between all the commercial standard cultivars, while tulip-shaped cultivars and species displayed much greater chemical variation...
November 19, 2014: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/25113686/paratylenchus-shenzhenensis-n-sp-nematoda-paratylenchinae-from-the-rhizosphere-soil-of-anthurium-andraeanum-in-china
#9
Ke Wang, Hui Xie, Yu Li, Chun-Ling Xu, Lu Yu, Dong-Wei Wang
Paratylenchus shenzhenensis n. sp. was collected from the rhizosphere soil of Anthurium andraeanum in Shenzhen, Guangdong Province, China. The new species is characterized by having a female with a small body (249-302 μm), well developed stylet (17-21 μm), rounded head with four submedian lobes and lip-region with a slight depression at the oral area, small post-vulval uterine sac with a few vestigial cells; male with body dorsally curved behind the cloacal opening, stylet absent, pharynx degenerate, prominent penial sheath; and juveniles with a stylet...
2013: Zootaxa
https://www.readbyqxmd.com/read/25062412/molecular-characterization-of-anthurium-genotypes-by-using-dna-fingerprinting-and-spar-markers
#10
J D Souza Neto, T C B Soares, L B Motta, P D S Cabral, J A Silva
We characterized single primer amplification reaction (SPAR) molecular markers from 20 genotypes of Anthurium andraeanum Lind., including 3 from commercial varieties and 17 from 2 communities in the State of Espírito Santo, Brazil. Twenty-four SPAR, consisting of 7 random amplified polymorphic DNA and 17 inter-simple sequence repeat markers were used to estimate the genetic diversity of 20 Anthurium accessions. The set of SPAR markers generated 288 bands and showed an average polymorphism percentage of 93...
2014: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/24808740/characterization-of-myrothecium-roridum-isolated-from-imported-anthurium-plant-culture-medium
#11
Hyuk Woo Kwon, Jun Young Kim, Min Ah Choi, Seung Yeol Son, Seong Hwan Kim
During an investigation of microorganisms and pests in plant culture media from imported anthurium pots, a fungal isolate (DUCC4002) was detected. Based on its morphological characters including colony shape on potato dextrose agar, the microstructures of spores observed by light and scanning electron microscopy and the results of phylogenetic analysis using an internal transcribed spacer rDNA sequence, the fungal isolate was identified as Myrothecium roridum. Pathogenicity testing on anthurium leaves revealed that the fungus could colonize and produce sporodochia on the inoculated leaves...
March 2014: Mycobiology
https://www.readbyqxmd.com/read/24363030/a-molecular-assessment-of-the-genetic-model-of-spathe-color-inheritance-in-anthurium-andraeanum-hort
#12
David Gopaulchan, Pathmanathan Umaharan, Adrian M Lennon
Past genetic studies have shown three independent loci designated O, R and M control spathe color in Anthurium andraeanum (Hort.). To evaluate the genetic model and to understand the control of anthocyanin biosynthesis at the molecular level, the expression of the anthocyanin biosynthetic genes, CHS, F3H, DFR, ANS and F3'H, was examined at the mRNA and protein levels and correlated to anthocyanin content and spathe color in eight genetically characterized anthurium cultivars representing different states of the O, R and M loci...
March 2014: Planta
https://www.readbyqxmd.com/read/24302711/cloning-and-functional-analysis-of-a-novel-ascorbate-peroxidase-apx-gene-from-anthurium-andraeanum
#13
Hui-chun Liu, Dan-qing Tian, Jian-xin Liu, Guang-ying Ma, Qing-cheng Zou, Zhu-jun Zhu
An 888-bp full-length ascorbate peroxidase (APX) complementary DNA (cDNA) gene was cloned from Anthurium andraeanum, and designated as AnAPX. It contains a 110-bp 5'-noncoding region, a 28-bp 3'-noncoding region, and a 750-bp open reading frame (ORF). This protein is hydrophilic with an aliphatic index of 81.64 and its structure consisting of α-helixes, β-turns, and random coils. The AnAPX protein showed 93%, 87%, 87%, 87%, and 86% similarities to the APX homologs from Zantedeschia aethiopica, Vitis pseudoreticulata, Gossypium hirsutum, Elaeis guineensis, and Zea mays, respectively...
December 2013: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/24267953/de-novo-characterization-of-the-anthurium-transcriptome-and-analysis-of-its-digital-gene-expression-under-cold-stress
#14
Dan-Qing Tian, Xiao-Yun Pan, Yong-Ming Yu, Wei-Yong Wang, Fei Zhang, Ya-Ying Ge, Xiao-Lan Shen, Fu-Quan Shen, Xiao-Jing Liu
BACKGROUND: Anthurium andraeanum is one of the most popular tropical flowers. In temperate and cold zones, a much greater risk of cold stress occurs in the supply of Anthurium plants. Unlike the freeze-tolerant model plants, Anthurium plants are particularly sensitive to low temperatures. Improvement of chilling tolerance in Anthurium may significantly increase its production and extend its shelf-life. To date, no previous genomic information has been reported in Anthurium plants. RESULTS: Using Illumina sequencing technology, we generated over two billion base of high-quality sequence in Anthurium, and demonstrated de novo assembly and annotation of genes without prior genome information...
2013: BMC Genomics
https://www.readbyqxmd.com/read/24201585/somatic-embryogenesis-and-plant-regeneration-in-anthurium-andraeanum-hybrids
#15
A R Kuehnle, F C Chen, N Sugii
A method for the production of somatic embryos and subsequent plant regeneration for Anthurium andraeanum Linden ex André (Monocotyledonae) hybrids is described. Whole leaf blade explants, derived from plantlets grown in vitro, formed translucent embryogénic calli at their basal ends within one month of culture in the dark. Secondary somatic embryos formed frequently and without an intervening callus on surfaces of primary embryos. Embryogenesis was induced with three genotypes using a modified half-strength Murashige and Skoog (MS) medium supplemented with 1...
August 1992: Plant Cell Reports
https://www.readbyqxmd.com/read/24031487/new-hosts-of-myrothecium-spp-in-brazil-and-a-preliminary-in-vitro-assay-of-fungicides
#16
A M Quezado Duval, G P Henz, M L Paz-Lima, A R Medeiros, B E C Miranda, L H Pfenning, A Reis
Myrothecium roridum and M. verrucaria are two plant pathogenic species causing foliar spots in a large number of cultivated plants. This paper aims to study the causal agents of foliar spots in vegetable crops (sweet pepper, tomato, cucumber), ornamental plants (Spathiphyllum, Solidago canadensis, Anthurium, Dieffenbachia) and a solanaceous weed plant (Nicandra physalodes). Most of the isolates were identified as M. roridum; only the isolate 'Myr-02' from S. canadensis was identified as M. verrucaria. All the isolates were pathogenic to their original plant hosts and also to some other plants...
January 2010: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/23850842/molecular-characterization-of-a-trisegmented-chrysovirus-isolated-from-the-radish-raphanus-sativus
#17
Liqiang Li, Jianning Liu, Aixia Xu, Ting Wang, Jishuang Chen, Xiwu Zhu
Radish (Raphanus sativus L.) is cultivated worldwide and is of agronomic importance. dsRNAs associated with partitiviruses were previously found in many R. sativus varieties. In this study, three large dsRNAs from radish were cloned using a modified single primer amplification technique. These three dsRNAs-of lengths 3638, 3517 and 3299 bp-shared conserved untranslated terminal regions, and each contained a major open reading frame putatively encoding the chrysoviral replicase, capsid protein and protease respectively...
September 2013: Virus Research
https://www.readbyqxmd.com/read/23805054/a-reassessment-of-anthurium-species-with-palmately-divided-leaves-and-a-reinterpretation-of-anthurium-section-dactylophyllium-araceae
#18
Thomas B Croat, Mónica M Carlsen
A reappraisal is made of the Anthurium Schott species with palmately divided leaves with 3 or more segments free to the base (i.e. palmatisect leaves), previously recognized as section Dactylophyllium Schott (Engler), as well as those species with 5 or more segments united at the base (i.e. palmatifid leaves), formerly placed in section Schizoplacium Schott (Engler). New molecular data indicates that several species (Anthurium pedatum (Kunth) Schott, Anthurium pedatoradiatum Schott, and possibly, Anthurium podophyllum (Schltdl...
2013: PhytoKeys
https://www.readbyqxmd.com/read/23704995/effect-of-pretreatment-on-biomass-residue-structure-and-the-application-of-pyrolysed-and-composted-biomass-residues-in-soilless-culture
#19
Linna Suo, Xiangyang Sun, Weijie Jiang
The changes in the structural characteristics of biomass residues during pyrolysis and composting were investigated. The biomass residues particles were prepared by pyrolysing at temperatures ranging from 350 to 400. For soilless production of the ornamental plant Anthurium andraeanum, pure sphagnum peat moss (P) has traditionally been used as the growing medium. This use of P must be reduced, however, because P is an expensive and nonrenewable resource. The current study investigated the use of biomass residues as substitutes for P in A...
2013: PloS One
https://www.readbyqxmd.com/read/23283558/screening-promoters-for-anthurium-transformation-using-transient-expression
#20
Tracie K Matsumoto, Lisa M Keith, Roxana Y M Cabos, Jon Y Suzuki, Dennis Gonsalves, Roger Thilmony
KEY MESSAGE : There are multiple publications on Anthurium transformation, yet a commercial product has not been achieved. This may be due to use of non-optimum promoters here we address this problem. Different promoters and tissue types were evaluated for transient β-glucuronidase (GUS) expression in Anthurium andraeanum Hort. 'Marian Seefurth' following microprojectile bombardment. Plasmids containing the Ubiquitin 2, Actin 1, Cytochrome C1 from rice, Ubiquitin 1 from maize and 35S promoter from Cauliflower Mosaic Virus fused to a GUS reporter gene were bombarded into in vitro grown anthurium lamina, somatic embryos and roots...
March 2013: Plant Cell Reports
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