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https://www.readbyqxmd.com/read/29045639/a-new-perspective-on-polyploid-fragaria-strawberry-genome-composition-based-on-large-scale-multi-locus-phylogenetic-analysis
#1
Yilong Yang, Thomas M Davis
The subgenomic compositions of the octoploid (2n=8x=56) strawberry (Fragaria) species, including the economically important cultivated species Fragaria x ananassa, have been a topic of long-standing interest. Phylogenomic approaches utilizing next generation sequencing (NGS) technologies offer a new window into species relationships and the subgenomic compositions of polyploids. We have conducted a large scale phylogenetic analyses of Fragaria (strawberry) species using the Fluidigm Access Array system and 454 sequencing platform...
October 16, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29045326/the-effects-of-acute-interval-exercise-and-strawberry-intake-on-postprandial-lipemia
#2
Alasdair F O'Doherty, Huw S Jones, Thozhukat Sathyapalan, Lee Ingle, Sean Carroll
PURPOSE: Raised postprandial triglycerides (TAG) and related oxidative stresses are strongly associated with increased cardiovascular disease risk. Acute exercise and strawberry ingestion independently ameliorate postprandial lipid excursions and oxidative stress. However, the combined effects of these lifestyle interventions are unknown. We investigated whether acute exercise and strawberry consumption improved postprandial responses to an oral fat tolerance test (OFTT) in overweight/obese males...
November 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29043218/evaluation-of-antioxidant-and-antimicrobial-activities-of-ethanol-extracts-of-three-kinds-of-strawberries
#3
Semeneh Seleshe, Jong Seok Lee, Sarah Lee, Hye Jin Lee, Ga Ryun Kim, Joohong Yeo, Jong Yea Kim, Suk Nam Kang
The antioxidant and antimicrobial activities of three kinds of strawberry ethanol extracts from Robus corchorifolius L. f. (RCL), Rubus parvifolius L. var. parvifolius (RPL), and Duchesnea chrysantha Miq. (DCM) were investigated. The RPL was highest (P<0.05) in phenolic, flavonoid, and anthocyanin contents. 2,2-Diphenyl-1-picrylhydrazyl and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) radical scavenging activities of RPL and DCM extracts were higher than that of RCL (P<0.05). Hydrogen peroxide scavenging activity of RPL was high compared to DCM and RCL (P<0...
September 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29038765/the-complete-chloroplast-genome-sequence-of-strawberry-fragaria-%C3%A2-%C3%A3-%C3%A2-ananassa-duch-and-comparison-with-related-species-of-rosaceae
#4
Hui Cheng, Jinfeng Li, Hong Zhang, Binhua Cai, Zhihong Gao, Yushan Qiao, Lin Mi
Compared with other members of the family Rosaceae, the chloroplast genomes of Fragaria species exhibit low variation, and this situation has limited phylogenetic analyses; thus, complete chloroplast genome sequencing of Fragaria species is needed. In this study, we sequenced the complete chloroplast genome of F. × ananassa 'Benihoppe' using the Illumina HiSeq 2500-PE150 platform and then performed a combination of de novo assembly and reference-guided mapping of contigs to generate complete chloroplast genome sequences...
2017: PeerJ
https://www.readbyqxmd.com/read/29036451/genetic-mapping-and-phylogenetic-analysis-reveal-intraspecific-variation-in-sex-chromosomes-of-the-virginian-strawberry
#5
Na Wei, Rajanikanth Govindarajulu, Jacob A Tennessen, Aaron Liston, Tia-Lynn Ashman
With their extraordinary diversity in sexual systems, flowering plants offer unparalleled opportunities to understand sex determination and to reveal generalities in the evolution of sex chromosomes. Comparative genetic mapping of related taxa with good phylogenetic resolution can delineate the extent of sex chromosome diversity within plant groups, and lead the way to understanding the evolutionary drivers of such diversity. The North American octoploid wild strawberries provide such an opportunity. We performed linkage mapping using targeted sequence capture for the subdioecious western Fragaria virginiana ssp...
September 27, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/29036429/genome-re-annotation-of-the-wild-strawberry-fragaria-vesca-using-extensive-illumina-and-smrt-based-rna-seq-datasets
#6
Yongping Li, Wei Wei, Jia Feng, Huifeng Luo, Mengting Pi, Zhongchi Liu, Chunying Kang
The genome of the wild diploid strawberry species Fragaria vesca, an ideal model system of cultivated strawberry (Fragaria × ananassa, octoploid) and other Rosaceae family crops, was first published in 2011 and followed by a new assembly (Fvb). However, the annotation for Fvb mainly relied on ab initio predictions and included only predicted coding sequences, therefore an improved annotation is highly desirable. Here, a new annotation version named v2.0.a2 was created for the Fvb genome by a pipeline utilizing one PacBio library, 90 Illumina RNA-seq libraries, and 9 small RNA-seq libraries...
September 23, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29032427/soft-mechanical-stimulation-induces-a-defense-response-against-botrytis-cinerea-in-strawberry
#7
Rodrigo Hernán Tomas-Grau, Fernando José Requena-Serra, Verónica Hael-Conrad, Martín Gustavo Martínez-Zamora, María Fernanda Guerrero-Molina, Juan Carlos Díaz-Ricci
Genes associated with plant mechanical stimulation were found in strawberry genome. A soft mechanical stimulation (SMS) induces molecular and biochemical changes in strawberry plants, conferring protection against Botrytis cinerea. Plants have the capacity to induce a defense response after exposure to abiotic stresses acquiring resistance towards pathogens. It was reported that when leaves of Arabidopsis thaliana were wounded or treated with a soft mechanical stimulation (SMS), they could resist much better the attack of the fungal pathogen Botrytis cinerea, and this effect was accompanied by an oxidative burst and the expression of touch-inducible genes (TCH)...
October 14, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29032085/fabrication-and-characterization-of-tea-polyphenols-loaded-pullulan-cmc-electrospun-nanofiber-for-fruit-preservation
#8
Ping Shao, Ben Niu, Hangjun Chen, Peilong Sun
Edible packaging films using polymer for food preservation have been developed for a long time. In this study, the effects of different concentrations (0.5%, 1%, 1.5%, w/v) of tea polyphenols incorporated into pullulan-Carboxymethylcellulose sodium (Pul-CMC) solutions on electrospun nanofiber films were evaluated. The fiber size distribution was characterized by scanning electron microscopy. The morphological features of nanofibers were modulated through adjusting process parameters (e.g. concentration of polymer solution, applied voltage and feeding rate)...
October 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29028333/profiling-and-quantification-of-regioisomeric-caffeoyl-glucoses-in-berry-fruits
#9
Maria Alexandra Patras, Nikolai Kuhnert, Rakesh Jaiswal, Gordon J McDougall
Based on a recently developed tandem MS based hierarchical scheme for the identification of regioisomeric caffeoyl glucoses, selected berry fruits were profiled for their caffeoyl glucose ester content. Fresh edible berries profiled included strawberries, raspberries, blueberries, blackberries, red and black currants, lingonberries, gooseberries, cranberries, juice of elderberries, goji berries, chokeberries, cranberries, açai berries, sea buckthorn berries, Montmorency sour cherries, and pomegranate were investigated...
October 13, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29022978/freeze-dried-strawberry-and-blueberry-attenuates-diet-induced-obesity-and-insulin-resistance-in-rats-by-inhibiting-adipogenesis-and-lipogenesis
#10
Paula Aranaz, Ana Romo-Hualde, María Zabala, David Navarro-Herrera, Marina Ruiz de Galarreta, Ana Gloria Gil, J Alfredo Martinez, Fermín I Milagro, Carlos J González-Navarro
Obesity and type 2-diabetes are becoming a worldwide health problem, reiterating the importance of alternative therapies to tackle their progression. Here, we hypothesized that supplementation of diet with 6% w/w of a freeze-dried strawberry-blueberry (5 : 1) powder (FDSB) could exert beneficial metabolic effects on Wistar rats. FDSB-supplemented animals experienced significantly reduced body weight gain, food efficiency and visceral adiposity accumulation in two independent experiments. FDSB supplementation also contributed to lower area under the curve after an intraperitoneal GTT and reduced serum insulin levels and an insulin resistance index (IR-HOMA) in HFS diet-fed animals, together with reduced plasma MCP-1 inflammation marker concentrations...
October 12, 2017: Food & Function
https://www.readbyqxmd.com/read/29022100/sea-buckthorn-decreases-and-delays-insulin-response-and-improves-glycaemic-profile-following-a-sucrose-containing-berry-meal-a-randomised-controlled-crossover-study-of-danish-sea-buckthorn-and-strawberries-in-overweight-and-obese-male-subjects
#11
Maria Wichmann Mortensen, Camilla Spagner, Cătălina Cuparencu, Arne Astrup, Anne Raben, Lars Ove Dragsted
PURPOSE: Berries and mixed berry products exert acute effects on postprandial glycaemia and insulinemia, but very few berries have been studied, and primarily in normal weight subjects. Sea buckthorn and strawberry are compositionally widely different berries and may likely produce different responses. The effects of strawberry and sea buckthorn on postprandial glycaemia and insulinemia were examined in overweight or obese male subjects. Subjective appetite sensations and ad libitum intake were also examined...
October 11, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29019668/application-of-targeted-metabolomics-to-investigate-optimum-growing-conditions-to-enhance-bioactive-content-of-strawberry
#12
Ikram Akhatou, Ana Sayago, Raúl González-Domínguez, Angeles Fernández-Recamales
A simple, sensitive and rapid assay based on liquid chromatography coupled to tandem mass spectrometry was designed for simultaneous quantitation of secondary metabolites in order to investigate the influence of variety and agronomic conditions on the biosynthesis of bioactive compounds in strawberry. For this purpose, strawberries belonging to three varieties with different sensitivity to environmental conditions ('Camarosa', 'Festival', 'Palomar') were grown in soilless system under multiple agronomic conditions (electrical conductivity, substrate type and coverage)...
October 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29017442/genome-wide-characterization-evolution-and-expression-analysis-of-the-leucine-rich-repeat-receptor-like-protein-kinase-lrr-rlk-gene-family-in-rosaceae-genomes
#13
Jiangmei Sun, Leiting Li, Peng Wang, Shaoling Zhang, Juyou Wu
BACKGROUND: Leucine-rich repeat receptor-like protein kinase (LRR-RLK) is the largest gene family of receptor-like protein kinases (RLKs) and actively participates in regulating the growth, development, signal transduction, immunity, and stress responses of plants. However, the patterns of LRR-RLK gene family evolution in the five main Rosaceae species for which genome sequences are available have not yet been reported. In this study, we performed a comprehensive analysis of LRR-RLK genes for five Rosaceae species: Fragaria vesca (strawberry), Malus domestica (apple), Pyrus bretschneideri (Chinese white pear), Prunus mume (mei), and Prunus persica (peach), which contained 201, 244, 427, 267, and 258 LRR-RLK genes, respectively...
October 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28992507/antimicrobial-edible-coatings-and-films-from-micro-emulsions-and-their-food-applications
#14
Mingming Guo, Madhav P Yadav, Tony Z Jin
This study focused on the use of antimicrobial edible coatings and films from micro-emulsions to reduce populations of foodborne pathogens in foods. Corn-Bio-fiber gum (C-BFG) was used as an emulsifier with chitosan. Allyl isothiocyanate (AIT) and lauric arginate ester (LAE) served as antimicrobials. Micro-emulsions were obtained from a solution consisting of 1% chitosan, 0.5% C-BFG, and 1-4% AIT or LAE which was subject to high pressure homogenization (HPH) processing at 138MPa for 3cycles. Coatings and films produced from the micro-emulsions had micro-pores with sizes ranging from 100 to 300nm and micro-channels that hold antimicrobials effectively and facilitate the release of antimicrobials from the center to the surface of the films or coatings, thus enhancing their antimicrobial efficacy...
October 2, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28992213/repression-of-terminal-flower1-primarily-mediates-floral-induction-in-pear-pyrus-pyrifolia-nakai-concomitant-with-change-in-gene-expression-of-plant-hormone-related-genes-and-transcription-factors
#15
Songling Bai, Pham Anh Tuan, Takanori Saito, Akiko Ito, Benjamin Ewa Ubi, Yusuke Ban, Takaya Moriguchi
Floral induction is an important event in the annual growth cycle of perennial fruit trees. For pear, this event directly affects fruit production in the following year. The flower buds in many species are induced by FLOWERING LOCUS T (FT), whose effect is repressed by the meristem-expressed gene TERMINAL FLOWER1 (TFL1). In this study, we investigated the functions of pear FT and TFL1 genes during floral development. Expression of pear FTs (PpFT1a and PpFT2a) in reproductive meristems was not obviously induced prior to floral initiation, while expression of TFL1s (PpTFL1-1a and PpTFL1-2a) rapidly decreased...
September 7, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28985484/an-improved-method-for-fast-and-selective-separation-of-carotenoids-by-lc-ms
#16
Daniel Abate-Pella, Dana M Freund, Janet P Slovin, Adrian D Hegeman, Jerry D Cohen
Carotenoids are a large class of compounds that are biosynthesized by condensation of isoprene units in plants, fungi, bacteria, and some animals. They are characteristically highly conjugated through double bonds, which lead to many isomers as well susceptibility to oxidation and other chemical modifications. Carotenoids are important because of their potent antioxidant activity and are the pigments responsible for color in a wide variety of foods. Human consumption is correlated to many health benefits including prevention of cancer, cardiovascular disease, and age-related disease...
September 28, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28981789/transcriptional-control-of-strawberry-ripening-two-to-tango
#17
Denise Tieman
No abstract text is available yet for this article.
July 20, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28981772/the-fruit-specific-transcription-factor-fadof2-regulates-the-production-of-eugenol-in-ripe-fruit-receptacles
#18
Francisco Javier Molina-Hidalgo, Laura Medina-Puche, Carlos Cañete-Gómez, José Manuel Franco-Zorrilla, Irene López-Vidriero, Roberto Solano, José Luis Caballero, Antonio Rodríguez-Franco, Rosario Blanco-Portales, Juan Muñoz-Blanco, Enriqueta Moyano, Ariel Vicente
Only a few transcription factors have been described in the regulation of the strawberry (Fragaria x ananassa) fruit ripening process. Using a transcriptomic approach, we identified and functionally characterized FaDOF2, a DOF-type ripening-related transcription factor, which is hormonally regulated and specific to the receptacle, though high expression levels were also found in petals. The expression pattern of FaDOF2 correlated with eugenol content, a phenylpropanoid volatile, in both fruit receptacles and petals...
July 20, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28979957/the-effect-of-dietary-factors-on-strawberry-anthocyanins-oral-bioavailability
#19
Di Xiao, Amandeep Sandhu, Yancui Huang, Eunyoung Park, Indika Edirisinghe, Britt M Burton-Freeman
Strawberries are a dietary source of anthocyanins, particularly pelargonidin glycosides. Dietary anthocyanins have received increasing attention among researchers and consumers due to their health benefits. The oral bioavailability of anthocyanins is reported to be low and various dietary factors may influence their oral bioavailability further. Milk is suggested to reduce (poly)phenols' oral bioavailability. However, the effect of milk on anthocyanin oral bioavailability remains uncertain. Likewise, mixed nutrient meals may influence the oral bioavailability of anthocyanins...
October 5, 2017: Food & Function
https://www.readbyqxmd.com/read/28979610/balanced-fertigation-and-improved-sustainability-of-june-bearing-strawberry-cultivated-three-years-in-open-polytunnel
#20
Rolf Nestb, Sébastien Guéry
OBJECT: Improved precision fertilization by introducing sensors and remote control to secure fruit yield and reduce nutrient leaching in soil culture. MATERIAL AND METHODS: We broadcasted before bedding and mulching 50 g m(-2) of a multi-mineral fertilizer. Beds had two plant rows 20 cm apart, with plant distance of 25 cm. Experimental design was split plot with three replications and three treatments. Treatments: fertigation in large plots, cultivar in small plots and year...
August 18, 2017: Journal of Berry Research
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