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https://www.readbyqxmd.com/read/28334098/untangling-the-reticulate-history-of-species-complexes-and-horticultural-breeds-in-abelia-caprifoliaceae
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/28277741/characterization-and-complementation-of-a-chlorophyll-less-dominant-mutant-gl1-in-lagerstroemia-indica
#7
Shu'an Wang, Peng Wang, Lulu Gao, Rutong Yang, Linfang Li, Enliang Zhang, Qing Wang, Ya Li, Zengfang Yin
Crape myrtle (Lagerstroemia indica) is a woody ornamental plant popularly grown because of its long-lasting, midsummer blooms and beautiful colors. The GL1 dominant mutant is the first chlorophyll-less mutant identified in crape myrtle. It was obtained from a natural yellow leaf bud mutation. We previously revealed that leaf color of the GL1 mutant is affected by light intensity. However, the mechanism of the GL1 mutant on light response remained unclear. The acclimation response of mutant and wild-type (WT) plants was assessed in a time series after transferring from low light (LL) to high light (HL) by analyzing chlorophyll synthesis precursor content, photosynthetic performance, and gene expression...
March 9, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28274131/antioxidant-phenolic-and-antifungal-profiles-of-acanthus-mollis-acanthaceae
#8
Carlos Jara, Miguel Leyton, Mauricio Osorio, Viviana Silva, Francisco Fleming, Marilyn Paz, Alejandro Madrid, Marco Mellado
Acanthus mollis is used as ornamental and medicinal plant. The ethnopharmacology reports indicate that extracts have anti-inflammatory activity. Phytoconstituents profile was evaluated by estimating the content of anthraquinones, flavonoids and phenols. In addition, the antioxidant activity was evaluated using four methods: Hydrogen atoms transfer (TRAP, ORAC and DPPH assays), and single electron transfer (FRAP assay). Finally, antifungal activity was determined by the M27-A2 test. The results shown that ethanol extracts have the highest concentration of phenols, anthraquinones and flavonoids...
March 9, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28264255/a-new-species-of-i-oncopeltus-i-st%C3%A3-l-1868-heteroptera-lygaeidae-in-the-nominate-subgenus-from-ecuador
#9
Eduardo I Faúndez, Javiera R Rocca
Oncopeltus Stål is a lygaeine genus currently comprising 39 species classified in two subgenera (Slater & O'Donnell, 1995). Oncopeltus is distributed in both hemispheres in tropical and temperate areas. Species on this genus are commonly known as milkweed bugs, because of their trophic association with plants in the family Apocynaceae (Scudder & Duffey, 1971). From these plants, the bugs sequester cardenolides making them unpalatable for predators (Duffey & Scudder, 1972). These habits are also accompanied with their brightly reddish coloration, which has been interpreted as aposematism (Duffey & Scudder, 1972, O'Rourke, 1979; Faúndez et al...
March 2, 2017: Zootaxa
https://www.readbyqxmd.com/read/28260703/streptomyces-cameroonensis-sp-nov-a-geldanamycin-producer-that-promotes-theobroma-cacao-growth
#10
Thaddée Boudjeko, Romaric Armel Mouafo Tchinda, Mina Zitouni, Joëlle Aimée Vera Tchatchou Nana, Sylvain Lerat, Carole Beaulieu
The taxonomy of an actinobacterial strain, designated JJY4(T), was established using a polyphasic approach. JJY4(T) was isolated from the rhizosphere of Chromolaena odorata in Yaoundé (Cameroon) during a project for the selection of biological control agents. Strain JJY4(T) exhibited antimicrobial activities against bacteria, fungi, and oomycetes. Strain JJY4(T) also exhibited the traits of plant growth-promoting rhizobacteria such as the solubilization of inorganic phosphate, production of siderophores and indole-3-acetic acid, and 1-aminocyclopropane-1-carboxylate deaminase activity...
March 4, 2017: Microbes and Environments
https://www.readbyqxmd.com/read/28243901/the-genus-carissa-an-ethnopharmacological-phytochemical-and-pharmacological-review
#11
REVIEW
Joseph Sakah Kaunda, Ying-Jun Zhang
Carissa L. is a genus of the family Apocynaceae, with about 36 species as evergreen shrubs or small trees native to tropical and subtropical regions of Africa, Asia and Oceania. Most of Carissa plants have been employed and utilized in traditional medicine for various ailments, such as headache, chest complains, rheumatism, oedema, gonorrhoea, syphilis, rabies. So far, only nine Carissa species have been phytochemically studied, which led to the identification of 123 compounds including terpenes, flavonoids, lignans, sterols, simple phenolic compounds, fatty acids and esters, and so on...
February 27, 2017: Natural Products and Bioprospecting
https://www.readbyqxmd.com/read/28243453/selection-for-production-related-traits-in-pelargonium-zonale-improved-design-and-analysis-make-all-the-difference
#12
Heike Molenaar, Martin Glawe, Robert Boehm, Hans-Peter Piepho
Ornamental plant variety improvement is limited by current phenotyping approaches and neglected use of experimental designs. The present study was conducted to show the benefits of using an experimental design and corresponding analysis in ornamental breeding regarding simulated response to selection in Pelargonium zonale for production-related traits. This required establishment of phenotyping protocols for root formation and stem cutting counts, with which 974 genotypes were assessed in a two-phase experimental design...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28239231/genome-wide-discovery-of-dna-polymorphisms-in-mei-prunus-mume-sieb-et-zucc-an-ornamental-woody-plant-with-contrasting-tree-architecture-and-their-functional-relevance-for-weeping-trait
#13
Jie Zhang, Kai Zhao, Dan Hou, Junhuo Cai, Qixiang Zhang, Tangren Cheng, Huitang Pan, Weiru Yang
Next-generation sequencing technologies provide opportunities to ascertain the genetic basis of phenotypic differences, even in the closely related cultivars via detection of large amount of DNA polymorphisms. In this study, we performed whole-genome re-sequencing of two mei cultivars with contrasting tree architecture. 75.87 million 100 bp pair-end reads were generated, with 92 % coverage of the genome. Re-sequencing data of two former upright mei cultivars were applied for detecting DNA polymorphisms, since we were more interested in variations conferring weeping trait...
2017: Plant Molecular Biology Reporter
https://www.readbyqxmd.com/read/28228130/transcriptome-of-the-floral-transition-in-rosa-chinensis-old-blush
#14
Xuelian Guo, Chao Yu, Le Luo, Huihua Wan, Ni Zhen, Tingliang Xu, Jiongrui Tan, Huitang Pan, Qixiang Zhang
BACKGROUND: The floral transition plays a vital role in the life of ornamental plants. Despite progress in model plants, the molecular mechanisms of flowering regulation remain unknown in perennial plants. Rosa chinensis 'Old Blush' is a unique plant that can flower continuously year-round. In this study, gene expression profiles associated with the flowering transition were comprehensively analyzed during floral transition in the rose. RESULTS: According to the transcriptomic profiles, 85,663 unigenes and 1,637 differentially expressed genes (DEGs) were identified, among which 32 unigenes were involved in the circadian clock, sugar metabolism, hormone, and autonomous pathways...
February 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28223989/ufgt-the-key-enzyme-associated-with-the-petals-variegation-in-japanese-apricot
#15
Xinxin Wu, Qinghua Gong, Xiaopeng Ni, Yong Zhou, Zhihong Gao
Japanese apricot (Prunus mume Sieb.et Zucc.) is an important ornamental plant in China. One of the traits of petals color variegation is attractive, but its formation mechanism is unclear. In our study, RNA-seq technology was employed to characterize the transcriptome response to the mutation of "Fuban Tiaozhi" associated with petals variegation in Japanese apricot. As a result, 4,579,040 (white-flowered, WF) and 7,269,883 (red-flowered, RF) reads were mapped to P. persica genes, while 5,006,676 (WF) and 7,907,436 (RF) were mapped to P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28216039/molecular-cloning-and-function-analysis-of-clcry1a-and-clcry1b-two-genes-in-chrysanthemum-lavandulifolium-that-play-vital-roles-in-promoting-floral-transition
#16
Liwen Yang, Jianxin Fu, Shuai Qi, Yan Hong, He Huang, Silan Dai
Cryptochrome (CRY), a vital photoreceptor which mediates light signals, controls photomorphogenesis in higher plants. However, the function of CRY in mediating light to regulate growth and development of ornamental plants is still unclear. In this study, we identified two CRY1 homologous genes, ClCRY1a and ClCRY1b, from Chrysanthemum lavandulifolium, a diploid wild chrysanthemum species. Expression analysis demonstrated that these two ClCRY1 genes showed the highest expression levels in seedlings leaves that were transferred to short day (SD) conditions for eight days...
February 16, 2017: Gene
https://www.readbyqxmd.com/read/28209181/de-novo-sequencing-and-comparative-transcriptome-analysis-of-adventitious-root-development-induced-by-exogenous-indole-3-butyric-acid-in-cuttings-of-tetraploid-black-locust
#17
Jine Quan, Seng Meng, Erhui Guo, Sheng Zhang, Zhong Zhao, Xitian Yang
BACKGROUND: Indole-3-butyric acid (IBA) is applied to the cuttings of various plant species to induce formation of adventitious roots (ARs) in commercial settings. Tetraploid black locust is an attractive ornamental tree that is drought resistant, sand tolerant, can prevent sand erosion and has various commercial uses. To further elucidate the mechanisms of AR formation, we used Illumina sequencing to analyze transcriptome dynamics and differential gene expression at four developmental stages in control (CK) and IBA-treated groups...
February 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28199378/the-first-initiative-of-dna-barcoding-of-ornamental-plants-from-egypt-and-potential-applications-in-horticulture-industry
#18
Hosam O Elansary, Muhammad Ashfaq, Hayssam M Ali, Kowiyou Yessoufou
DNA barcoding relies on short and standardized gene regions to identify species. The agricultural and horticultural applications of barcoding such as for marketplace regulation and copyright protection remain poorly explored. This study examines the effectiveness of the standard plant barcode markers (matK and rbcL) for the identification of plant species in private and public nurseries in northern Egypt. These two markers were sequenced from 225 specimens of 161 species and 62 plant families of horticultural importance...
2017: PloS One
https://www.readbyqxmd.com/read/28185042/phylogenomic-relationship-of-feijoa-acca-sellowiana-o-berg-burret-with-other-myrtaceae-based-on-complete-chloroplast-genome-sequences
#19
Lilian de Oliveira Machado, Leila do Nascimento Vieira, Valdir Marcos Stefenon, Fábio de Oliveira Pedrosa, Emanuel Maltempi de Souza, Miguel Pedro Guerra, Rubens Onofre Nodari
Given their distribution, importance, and richness, Myrtaceae species comprise a model system for studying the evolution of tropical plant diversity. In addition, chloroplast (cp) genome sequencing is an efficient tool for phylogenetic relationship studies. Feijoa [Acca sellowiana (O. Berg) Burret; CN: pineapple-guava] is a Myrtaceae species that occurs naturally in southern Brazil and northern Uruguay. Feijoa is known for its exquisite perfume and flavorful fruits, pharmacological properties, ornamental value and increasing economic relevance...
February 9, 2017: Genetica
https://www.readbyqxmd.com/read/28179997/the-plant-defensin-nad1-induces-tumor-cell-death-via-a-non-apoptotic-membranolytic-process
#20
Amy A Baxter, Ivan Kh Poon, Mark D Hulett
Cationic anti-microbial peptides (CAPs) have an important role in host innate defense against pathogens such as bacteria and fungi. Many CAPs including defensins also exhibit selective cytotoxic activity towards mammalian cells via both apoptotic and non-apoptotic processes, and are being investigated as potential anticancer agents. The anti-fungal plant defensin from ornamental tobacco, Nicotiana alata Defensin 1 (NaD1), was recently shown to induce necrotic-like cell death in a number of tumor cell types within 30 min of treatment, at a concentration of 10 μM...
2017: Cell Death Discovery
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