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https://www.readbyqxmd.com/read/28344587/the-chloroplast-genome-of-passiflora-edulis-passifloraceae-assembled-from-long-sequence-reads-structural-organization-and-phylogenomic-studies-in-malpighiales
#1
Luiz A Cauz-Santos, Carla F Munhoz, Nathalie Rodde, Stephane Cauet, Anselmo A Santos, Helen A Penha, Marcelo C Dornelas, Alessandro M Varani, Giancarlo C X Oliveira, Hélène Bergès, Maria Lucia C Vieira
The family Passifloraceae consists of some 700 species classified in around 16 genera. Almost all its members belong to the genus Passiflora. In Brazil, the yellow passion fruit (Passiflora edulis) is of considerable economic importance, both for juice production and consumption as fresh fruit. The availability of chloroplast genomes (cp genomes) and their sequence comparisons has led to a better understanding of the evolutionary relationships within plant taxa. In this study, we obtained the complete nucleotide sequence of the P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28340263/myrciaria-dubia-an-amazonian-fruit-population-structure-and-its-implications-for-germplasm-conservation-and-genetic-improvement
#2
C F Nunes, T A Setotaw, M Pasqual, E A Chagas, E G Santos, D N Santos, C G B Lima, G M A Cançado
Myrciaria dubia (camu-camu) is an Amazon tree that produces a tart fruit with high vitamin C content. It is probably the fruit with the highest vitamin C content among all Brazilian fruit crops and it can be used to supplement daily vitamin C dose. This property has attracted the attention of consumers and, consequently, encouraged fruit farmers to produce it. In order to identify and select potential accessions for commercial exploitation and breeding programs, M. dubia has received considerable research attention...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28338629/study-of-the-accumulation-of-toxic-and-essential-ultra-trace-elements-in-fruits-of-sorbus-domestica-l
#3
Michaela Zeiner, Iva Juranović Cindrić, Boris Majić, Gerhard Stingeder
In the present work, the accumulation of selected toxic and essential ultra-trace elements in fruits of service tree (Sorbus domestica L.) were determined depending on harvest time. Samples were collected from the same sampling area in two different years and within one year in September and October (maturity state). Harvesting the fruits in the same area excludes the influence of metals taken up via roots, thus the impact of airborne contamination by heavy metal translocation can be studied. All samples were dried and digested using an acidic microwave assisted digestion system prior to quantification by inductively coupled plasma-sector field mass spectrometry (ICP-SFMS)...
March 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28334322/evaluation-of-food-lures-for-capture-and-monitoring-of-anastrepha-fraterculus-diptera-tephritidae-on-temperate-fruit-trees
#4
J M da Rosa, C J Arioli, J P Dos Santos, A C Menezes-Netto, M Botton
The Anastrepha fraterculus (Wiedemann) (Diptera: Tephritidae) is the main pest of fruit trees grown in temperate climates in the southern region of Brazil. The objective of this work was to evaluate the efficiency of the major commercial food lures used in Brazil for trapping and monitoring of A. fraterculus in plum, pear, and feijoa orchards. The assessed lures were hydrolyzed proteins of animal origin (CeraTrap) and plant origin (BioAnastrepha), torula yeast + borax (Torula), and grape juice. Response variables included the rate of adult capture (flies per trap per day, FTD) and the percentage of females captured...
March 16, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28327824/screening-of-wild-fruit-trees-with-gastroprotective-activity-in-different-experimental-models
#5
Luciane Angela Nottar Nesello, Adriana Campos, Roseane Leandra da Rosa, Sérgio Faloni de Andrade, Valdir Cechinel
BACKGROUND: Given the increase of people with gastrointestinal disorders, the search for alternative treatments with fewer side effects is vital, as well as the demand for food or plants that can help protect the stomach. OBJECTIVE: The aim of this study was to evaluate the gastroprotective action of the extracts of wild fruit trees of Myrcianthes pungens (guabiju); Inga vera Willd. (ingá-banana) and Marlierea tomentosa Cambess. (guarapuruna) in in vivo pharmacological models...
March 16, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28319082/passive-phloem-loading-and-long-distance-transport-in-a-synthetic-tree-on-a-chip
#6
Jean Comtet, Kaare H Jensen, Robert Turgeon, Abraham D Stroock, A E Hosoi
Vascular plants rely on differences in osmotic pressure to export sugars from regions of synthesis (mature leaves) to sugar sinks (roots, fruits). In this process, known as Münch pressure flow, the loading of sugars from photosynthetic cells to the export conduit (the phloem) is crucial, as it sets the pressure head necessary to power long-distance transport. Whereas most herbaceous plants use active mechanisms to increase phloem sugar concentration above that of the photosynthetic cells, in most tree species, for which transport distances are largest, loading seems, counterintuitively, to occur by means of passive symplastic diffusion from the mesophyll to the phloem...
March 20, 2017: Nature Plants
https://www.readbyqxmd.com/read/28318873/factors-associated-with-changes-in-fruit-intake-during-young-adulthood-a-classification-and-regression-tree-analysis-of-longitudinal-data
#7
David Lohrmann, Wasantha Jayawardene, Mohammad Torabi
OBJECTIVE: To examine whether distinct participant groupings for changes in fruit intake (FI) levels between ages 23 and 31 years are identifiable based on both time-varying and time-invariant sociodemographic and behavioral variables. METHODS: Data were derived from the National Longitudinal Survey of Youth-1997, US. Change in FI frequency constituted the dependent variable. For 21 variables, changes and averages in 2007-2011 were calculated. Classification and regression tree analysis was conducted using Generalized, Unbiased, Interaction Detection, and Estimation software...
March 16, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28317539/botryosphaeriaceae-species-associated-with-dieback-and-canker-disease-of-bay-laurel-in-northern-california-with-the-description-of-dothiorella-californica-sp-nov
#8
Daniel P Lawrence, Francesca Peduto Hand, W Douglas Gubler, Florent P Trouillas
Members of the Botryosphaeriaceae are cosmopolitan fungi that may exist as seemingly innocuous endophytes or as destructive pathogens of numerous woody hosts, including fruit and nut crops, urban ornamental trees and shrubs, and forest trees. Surveys of bay laurel in northern California have revealed symptoms of dieback and branch canker of unknown aetiology. The goals of this study were to identify and clarify the species of Botryosphaeriaceae associated with these symptoms and to confirm their pathogenicity...
April 2017: Fungal Biology
https://www.readbyqxmd.com/read/28317175/occupational-respiratory-allergy-in-peach-crop-workers
#9
Remedios Pérez-Calderón, M Ángeles Gonzalo-Garijo, Francisco José Rodríguez-Velasco, Silvia Sánchez-Vega, Borja Bartolomé-Zavala
BACKGROUND: Occupational respiratory diseases in workers of peach tree crops have been reported punctually and have been associated with sensitization to proteins present in both pollen and leaf tree. We report the study of 37 workers with respiratory symptoms related to occupational exposure to peach trees. METHODS: Prick tests and specific IgE determinations were performed with extracts from leaves and branches of peach tree. Immunodetection in leaf extract was realized by SDS-PAGE-immunoblotting with patient sera and rabbit serum anti-Pru p 3...
March 20, 2017: Allergy
https://www.readbyqxmd.com/read/28314937/phylogenetic-analysis-of-idd-gene-family-and-characterization-of-its-expression-in-response-to-flower-induction-in-malus
#10
Sheng Fan, Dong Zhang, Libo Xing, Siyan Qi, Lisha Du, Haiqin Wu, Hongxia Shao, Youmei Li, Juanjuan Ma, Mingyu Han
Although INDETERMINATE DOMAIN (IDD) genes encoding specific plant transcription factors have important roles in plant growth and development, little is known about apple IDD (MdIDD) genes and their potential functions in the flower induction. In this study, we identified 20 putative IDD genes in apple and named them according to their chromosomal locations. All identified MdIDD genes shared a conserved IDD domain. A phylogenetic analysis separated MdIDDs and other plant IDD genes into four groups. Bioinformatic analysis of chemical characteristics, gene structure, and prediction of protein-protein interactions demonstrated the functional and structural diversity of MdIDD genes...
March 17, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28301589/water-availability-not-fruitfall-modulates-the-dry-season-distribution-of-frugivorous-terrestrial-vertebrates-in-a-lowland-amazon-forest
#11
Omar Stalin Landázuri Paredes, Darren Norris, Tadeu Gomes de Oliveira, Fernanda Michalski
Terrestrial vertebrate frugivores constitute one of the major guilds in tropical forests. Previous studies show that the meso-scale distribution of this group is only weakly explained by variables such as altitude and tree basal area in lowland Amazon forests. For the first time we test whether seasonally limiting resources (water and fallen fruit) affect the dry season distribution in 25 species of terrestrial vertebrates. To examine the effects of the spatial availability of fruit and water on terrestrial vertebrates we used a standardized, regularly spaced arrangement of camera-traps within 25km2 of lowland Amazon forest...
2017: PloS One
https://www.readbyqxmd.com/read/28295383/recovery-of-pectic-hydrocolloids-and-phenolics-from-huanglongbing-related-dropped-citrus-fruit
#12
Randall G Cameron, Hoa K Chau, Arland T Hotchkiss, John A Manthey
BACKGROUND: Citrus preharvest fruit drop, caused by Huanglongbing infection, has increased dramatically concomitant with declining tree health and crop harvest size. This loss of harvestable fruit is damaging to both growers and juice processors. Recovering and converting this fruit to alternative value added products would benefit the citrus industry. Therefore, we have explored the potential for using this fruit as a feedstock in our newly developed pilot scale continuous steam explosion process...
March 12, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28288945/species-level-phylogeny-fruit-evolution-and-diversification-history-of-geranium-geraniaceae
#13
Thomas Marcussen, Andrea S Meseguer
The cosmopolitan genus Geranium L. (Geraniaceae) consists of c. 350 species distributed in temperate habitats worldwide, with most of its diversity concentrated in the Mediterranean region. Unlike other genera in Geraniaceae, the species of Geranium present contrasting seed discharge syndromes, i.e. the 'Erodium-type' (ET), the 'carpel-projection type' (CP), the 'seed-ejection type' (SE), and the 'inoperative type' (IT), which have been used to delimit major groups within the genus. However, phylogenetic relationships within Geranium are unknown and so is the evolution of the different seed discharge mechanisms...
March 10, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28286910/the-molecular-mechanism-underlying-anthocyanin-metabolism-in-apple-using-the-mdmyb16-and-mdbhlh33-genes
#14
Haifeng Xu, Nan Wang, Jingxuan Liu, Changzhi Qu, Yicheng Wang, Shenghui Jiang, Ninglin Lu, Deyun Wang, Zongying Zhang, Xuesen Chen
MdMYB16 forms homodimers and directly inhibits anthocyanin synthesis via its C-terminal EAR repressor. It weakened the inhibitory effect of MdMYB16 on anthocyanin synthesis when overexpressing MdbHLH33 in callus overexpressing MdMYB16. MdMYB16 could interact with MdbHLH33. Anthocyanins are strong antioxidants that play a key role in the prevention of cardiovascular disease, cancer, and diabetes. The germplasm of Malus sieversii f. neidzwetzkyana is important for the study of anthocyanin metabolism. To date, only limited studies have examined the negative regulatory mechanisms underlying anthocyanin synthesis in apple...
March 12, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28285516/investigation-on-key-molecules-of-huanglongbing-hlb-induced-orange-juice-off-flavor
#15
Johannes Kiefl, Birgit Kohlenberg, Anja Hartmann, Katja Obst, Susanne Paetz, Gerhard Krammer, Stephan Trautzsch
Orange fruits from huanglongbing (HLB)-infected trees do not fully mature and show a severe off-flavor described as bitter-harsh, metallic, and less juicy and fruity. The investigation of juice from HLB-infected (HLBOJ) and healthy control oranges (COJ) by gas chromatography-mass spectrometry showed higher concentrations of fruity esters, such as ethyl butyrate and ethyl 2-methylbutyrate, and soapy-waxy alkanals, such as octanal and decanal, in the COJ, whereas the HLBOJ showed higher concentrations of green aldehydes such as hexanal and degradation compounds of limonene and linalool such as α-terpineol...
March 27, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28284429/pharmacology-of-mangostins-and-their-derivatives-a-comprehensive-review
#16
REVIEW
Ming-Hui Wang, Kuo-Jun Zhang, Qin-Lan Gu, Xiao-Ling Bi, Jin-Xin Wang
Mangosteen (Garcinia mangostana Linn.) is a well-known tropical tree indigenous to Southeast Asia. Its fruit's pericarp abounds with a class of isoprenylated xanthones which are referred as mangostins. Numerous in vitro and in vivo studies have shown that mangostins and their derivatives possess diverse pharmacological activities, such as antibacterial, antifungal, antimalarial, anticarcinogenic, antiatherogenic activities as well as neuroprotective properties in Alzheimer's disease (AD). This review article provides a comprehensive review of the pharmacological activities of mangostins and their derivatives to reveal their promising utilities in the treatment of certain important diseases, mainly focusing on the discussions of the underlying molecular targets/pathways, modes of action, and relevant structure-activity relationships (SARs)...
February 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28270682/effects-of-an-invasive-predator-cascade-to-plants-via-mutualism-disruption
#17
Haldre S Rogers, Eric R Buhle, Janneke HilleRisLambers, Evan C Fricke, Ross H Miller, Joshua J Tewksbury
Invasive vertebrate predators are directly responsible for the extinction or decline of many vertebrate species, but their indirect impacts often go unmeasured, potentially leading to an underestimation of their full impact. When invasives extirpate functionally important mutualists, dependent species are likely to be affected as well. Here, we show that the invasive brown treesnake, directly responsible for the extirpation of forest birds from the island of Guam, is also indirectly responsible for a severe decline in plant recruitment as a result of disrupting the fruit-frugivore mutualism...
March 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28270158/replacing-american-snacks-with-tree-nuts-increases-consumption-of-key-nutrients-among-us-children-and-adults-results-of-an-nhanes-modeling-study
#18
Colin D Rehm, Adam Drewnowski
BACKGROUND: Replacing typical American snacks with tree nuts may be an effective way to improve diet quality and compliance with the 2015-2020 Dietary Guidelines for Americans (DGAs). OBJECTIVE: To assess and quantify the impact of replacing typical snacks with composite tree nuts or almonds on diet metrics, including empty calories (i.e., added sugars and solid fats), individual fatty acids, macronutrients, nutrients of public health concern, including sodium, fiber and potassium, and summary measures of diet quality...
March 7, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28267924/pathogen-induced-leaf-chlorosis-products-of-chlorophyll-breakdown-found-in-degreened-leaves-of-phytoplasma-infected-apple-malus-x-domestica-borkh-and-apricot-prunus-armeniaca-l-trees-relate-to-the-pheophorbide-a-oxygenase-phyllobilin-pathway
#19
Cecilia Mittelberger, Hacer Yalcinkaya, Christa Pichler, Johanna Gasser, Gerhard Scherzer, Theresia Erhart, Sandra Schumacher, Barbara Holzner, Katrin Janik, Peter Robatscher, Thomas Müller, Bernhard Kräutler, Michael Oberhuber
Phytoplasmoses such as Apple Proliferation (AP) and European Stone Fruit Yellows (ESFY) cause severe economic losses in fruit production. A common symptom of both phytoplasma diseases is the early yellowing or leaf chlorosis. Even though chlorosis is a well-studied symptom of biotic and abiotic stress, its biochemical pathways are hardly known. In particular, in this context, a potential role of the senescence-related pheophorbide a oxygenase/phyllobilin (PaO/PB) pathway is elusive, which degrades chlorophyll (Chl) to phyllobilins (PBs), most notably to colorless non-fluorescent Chl catabolites (NCCs)...
March 7, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28266011/traditional-uses-phytochemistry-and-pharmacology-of-the-medicinal-species-of-the-genus-cordia-boraginaceae
#20
REVIEW
Manisha J Oza, Yogesh A Kulkarni
OBJECTIVES: Cordia (family Boraginaceae) is a genus of deciduous flowering trees or shrubs comprising more than 300 species distributed widely in the tropical regions. The aim of this review was to provide exhaustive scientific information on traditional uses, phytochemistry and pharmacological activities of the 36 important species with medicinal value from the genus Cordia, to divulge prospects for further research on its therapeutic potential. KEY FINDINGS: Leaves, fruit, bark and seed of a majority of the species were found to possess abundant ethnomedicinal value, but leaves were found to be used most frequently to treat many ailments such as respiratory disorders, stomach pain, wound, inflammation, myalgia, cough, dysentery and diarrhoea...
March 7, 2017: Journal of Pharmacy and Pharmacology
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