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https://www.readbyqxmd.com/read/27933070/transcriptional-responses-in-root-and-leaf-of-prunus-persica-under-drought-stress-using-rna-sequencing
#1
Najla Ksouri, Sergio Jiménez, Christina E Wells, Bruno Contreras-Moreira, Yolanda Gogorcena
Prunus persica L. Batsch, or peach, is one of the most important crops and it is widely established in irrigated arid and semi-arid regions. However, due to variations in the climate and the increased aridity, drought has become a major constraint, causing crop losses worldwide. The use of drought-tolerant rootstocks in modern fruit production appears to be a useful method of alleviating water deficit problems. However, the transcriptomic variation and the major molecular mechanisms that underlie the adaptation of drought-tolerant rootstocks to water shortage remain unclear...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27932519/host-plants-indirectly-influence-plant-virus-transmission-by-altering-gut-cysteine-protease-activity-of-aphid-vectors
#2
Patricia V Pinheiro, Murad Ghanim, Mariko M Matsuda Alexander, Ana Rita Rebelo, Rogerio S Santos, Benjamin C Orsburn, Stewart Gray, Michelle Cilia
The green peach aphid, Myzus persicae, is a vector of the Potato leafroll virus (PLRV, Luteoviridae), transmitted exclusively by aphids in a circulative manner. PLRV transmission efficiency was significantly reduced when a clonal lineage of M. persicae was reared on turnip as compared to the weed physalis, a transient effect caused by a host-switch response. A trend of higher PLRV titer in physalis-reared aphids as compared to turnip-reared aphids was observed at 24h and 72h after virus acquisition. The major difference in the proteomes of these aphids was the upregulation of predicted lysosomal enzymes, in particular the cysteine protease cathepsin B (cathB), in aphids reared on turnip...
December 8, 2016: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/27931706/challenging-the-status-quo-focusing-on-patient-safety-and-joy-at-work
#3
Anne Gallagher Peach
No abstract text is available yet for this article.
December 2016: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/27918614/effects-of-juice-matrix-and-pasteurization-on-stability-of-black-currant-anthocyanins-during-storage
#4
Gary Dobson, Gordon J McDougall, Derek Stewart, Miguel Ángel Cubero, Reijo O Karjalainen
The effects of juice matrix and pasteurization on the stability of total phenols and especially total and individual anthocyanins were examined in black currant (BC) juice and mixtures with apple, persimmon, and peach juices at 4 °C and 20 °C. Total phenol content decreased in all juices at both temperatures but there was a trend to lower levels in unpasteurized over pasteurized juices. Differences in the decline of total anthocyanins between pasteurized and unpasteurized juices varied according to the juice type and the storage temperature...
December 5, 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27917765/safeguarding-maternal-and-child-health-in-south-africa-by-starting-the-child-support-grant-before-birth-design-lessons-from-pregnancy-support-programmes-in-27-countries
#5
M F Chersich, S Luchters, D Blaauw, F Scorgie, E Kern, A Van den Heever, H Rees, E Peach, S Kharadi, S Fonn
BACKGROUND: Deprivation during pregnancy and the neonatal period increases maternal morbidity, reduces birth weight and impairs child development, with lifelong consequences. Many poor countries provide grants to mitigate the impact of poverty during pregnancy. South Africa (SA) offers a post-delivery Child Support Grant (CSG), which could encompass support during pregnancy, informed by lessons learnt from similar grants. OBJECTIVES: To review design and operational features of pregnancy support programmes, highlighting features that promote their effectiveness and efficiency, and implications thereof for SA...
December 1, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27898837/global-transcriptome-analysis-reveals-differences-in-gene-expression-patterns-between-nonhyperhydric-and-hyperhydric-peach-leaves
#6
Yakup Bakir, Vahap Eldem, Gokmen Zararsiz, Turgay Unver
Hyperhydricity is a morphophysiological disorder of plants in tissue culture characterized morphologically by the presence of translucent, thick, curled, and fragile leaves as a result of excessive water intake. Since clonal propagation is a major in vitro technique for multiplying plants vegetatively, the emergence of hyperhydricity-related symptoms causes significant economic losses to agriculture and horticulture. Although numerous efforts have been hitherto devoted to the morphological and anatomical responses of plants to hyperhydricity, the underlying molecular mechanism remains largely unknown...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27891143/comparative-physiological-and-proteomic-analysis-reveal-distinct-regulation-of-peach-skin-quality-traits-by-altitude
#7
Evangelos Karagiannis, Georgia Tanou, Martina Samiotaki, Michail Michailidis, Grigorios Diamantidis, Ioannis S Minas, Athanassios Molassiotis
The role of environment in fruit physiology has been established; however, knowledge regarding the effect of altitude in fruit quality traits is still lacking. Here, skin tissue quality characters were analyzed in peach fruit (cv. June Gold), harvested in 16 orchards located in low (71.5 m mean), or high (495 m mean) altitutes sites. Data indicated that soluble solids concentration and fruit firmness at commercial harvest stage were unaffected by alitute. Peach grown at high-altitude environment displayed higher levels of pigmentation and specific antioxidant-related activity in their skin at the commercial harvest stage...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27888606/discovery-of-metabolic-resistance-to-neonicotinoids-in-green-peach-aphids-myzus-persicae-in-australia
#8
Siobhan C de Little, Owain Edwards, Anthony R van Rooyen, Andrew Weeks, Paul A Umina
BACKGROUND: Myzus persicae is a serious pest that attacks a broad range of agricultural crops. This species has developed chemical resistance to many insecticides globally and within Australia resistance to multiple chemical groups has been identified. Resistance to neonicotinoid insecticides has been discovered in several countries, but has not previously been confirmed in Australia. We use biomolecular assays and bioassays on field-collected populations to investigate neonicotinoid resistance in M...
November 26, 2016: Pest Management Science
https://www.readbyqxmd.com/read/27869753/identification-and-expression-analysis-of-polygalacturonase-family-members-during-peach-fruit-softening
#9
Ming Qian, Yike Zhang, Xiangyan Yan, Mingyu Han, Jinjin Li, Fang Li, Furui Li, Dong Zhang, Caiping Zhao
Polygalacturonase (PG) is an important hydrolytic enzyme involved in pectin degradation during fruit softening. However, the roles of PG family members in fruit softening remain unclear. We identified 45 PpPG genes in the peach genome which are clustered into six subclasses. PpPGs consist of four to nine exons and three to eight introns, and the exon/intron structure is basically conserved in all but subclass E. Only 16 PpPG genes were expressed in ripening fruit, and their expression profiles were analyzed during storage in two peach cultivars with different softening characteristics...
November 18, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27862416/the-design-synthesis-and-evaluation-of-1-5-7-trisubstituted-3-pyridyl-xanthones-for-use-as-insecticides-starting-from-pyripyropene%C3%A2-a
#10
Shinichiro Fuse, Keisuke Matsumura, Kohei Johmoto, Hidehiro Uekusa, Hiroshi Tanaka, Tomoyasu Hirose, Toshiaki Sunazuka, Satoshi Ōmura, Takashi Takahashi
A readily accessible template of 1,5,7-trisubstituted-3-pyridyl-xanthones was designed starting from naturally occurring pyripyropene A for agrichemical development. Our originally developed Ag2 CO3 -mediated oxidative cyclization enabled ready access to the key scaffold, 1,5,7-trihydroxy-3-chloro-xanthone. The chemo- and regioselective sequential introduction of four substituents to the scaffold rapidly afforded the desired, structurally diverse 1,5,7-trisubstituted-3-pyridyl-xanthones. An evaluation of insecticidal activity revealed that one of the synthesized compounds retained insecticidal activity against vetch aphid and green peach aphid...
November 9, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27859285/exogenous-nitric-oxide-no-induces-disease-resistance-against-monilinia-fructicola-through-activating-the-phenylpropanoid-pathway-in-peach-fruit
#11
Guangjin Li, ShuHua Zhu, Wenxue Wu, Chang Zhang, Yong Peng, Qingguo Wang, Jingying Shi
BACKGROUND: Nitric Oxide (NO) is a multifunctional signaling molecule involved in plant-induced resistance to disease. The objective of this study was to investigate the relationship between disease resistance induced by NO and phenylpropanoid pathway in peach fruit. The effect of NO on the main enzymes and metabolites of phenylpropanoid pathway of harvested peach probably related to disease resistance against M. fructicola was investigated in the present study. RESULTS: The results showed that treatment with 15 µmol L(-1) NO significantly (P < 0...
November 18, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27856652/evolution-of-rosaceae-fruit-types-based-on-nuclear-phylogeny-in-the-context-of-geological-times-and-genome-duplication
#12
Yezi Xiang, Chien-Hsun Huang, Yi Hu, Jun Wen, Shisheng Li, Tingshuang Yi, Hongyi Chen, Jun Xiang, Hong Ma
Fruits are the defining feature of angiosperms, likely have contributed to angiosperm successes by protecting and dispersing seeds, and provide foods to humans and other animals, with many morphological types and important ecological and agricultural implications. Rosaceae is a family with ~3000 species and an extraordinary spectrum of distinct fruits, including fleshy peach, apple, and strawberry prized by their consumers, as well as dry achenetum and follicetum with features facilitating seed dispersal, excellent for studying fruit evolution...
November 17, 2016: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/27853264/a-simple-design-for-microwave-assisted-digestion-vessel-with-low-reagent-consumption-suitable-for-food-and-environmental-samples
#13
Mehrdad Gholami, Shima Behkami, Sharifuddin Md Zain, Sezgin Bakirdere
The objective of this work is to prepare a cost-effective, low reagent consumption and high performance polytetrafluoroethylene (PTFE) vessel that is capable to work in domestic microwave for digesting food and environmental samples. The designed vessel has a relatively thicker wall compared to that of commercial vessels. In this design, eight vessels are placed in an acrylonitrile butadiene styrene (ABS) holder to keep them safe and stable. This vessel needs only 2.0 mL of HNO3 and 1.0 mL H2O2 to digest 100 mg of biological sample...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27842844/rheological-and-chemical-properties-of-pectin-enriched-fractions-from-different-sources-extracted-with-citric-acid
#14
Joanna Mierczyńska, Justyna Cybulska, Artur Zdunek
Yield, properties and functionality of pectins depend on the source material and method of extraction. The objective of this work was to compare pectinolytic enzyme activity in fresh pulp as well as the physicochemical and rheological properties of polysaccharides extracted with citric acid from six new potential sources: fruit materials - peach, blackcurrant, raspberry, strawberry, plum and a vegetable Source: carrot. The uronic acid content of polysaccharides extracted in citric acid depended on pectinolytic enzymes activity in fresh plant tissues and ranged between 16...
January 20, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27824331/genome-wide-association-study-of-12-agronomic-traits-in-peach
#15
Ke Cao, Zhengkui Zhou, Qi Wang, Jian Guo, Pei Zhao, Gengrui Zhu, Weichao Fang, Changwen Chen, Xinwei Wang, Xiaoli Wang, Zhixi Tian, Lirong Wang
Peach (Prunus persica L.) is a highly valuable crop species and is recognized by molecular researchers as a model fruit for the Rosaceae family. Using whole-genome sequencing data generated from 129 peach accessions, here we perform a comprehensive genome-wide association study for 12 key agronomic traits. We show that among the 10 qualitative traits investigated, nine exhibit consistent and more precise association signals than previously identified by linkage analysis. For two of the qualitative traits, we describe candidate genes, one potentially involved in cell death and another predicted to encode an auxin-efflux carrier, that are highly associated with fruit shape and non-acidity, respectively...
November 8, 2016: Nature Communications
https://www.readbyqxmd.com/read/27818667/multiple-r2r3-myb-transcription-factors-involved-in-the-regulation-of-anthocyanin-accumulation-in-peach-flower
#16
Hui Zhou, Qian Peng, Jianbo Zhao, Albert Owiti, Fei Ren, Liao Liao, Lu Wang, Xianbao Deng, Quan Jiang, Yuepeng Han
Anthocyanin accumulation is responsible for flower coloration in peach. Here, we report the identification and functional characterization of eight flavonoid-related R2R3-MYB transcription factors, designated PpMYB10.2, PpMYB9, PpMYBPA1, Peace, PpMYB17, PpMYB18, PpMYB19, and PpMYB20, respectively, in peach flower transcriptome. PpMYB10.2 and PpMYB9 are able to activate transcription of anthocyanin biosynthetic genes, whilst PpMYBPA1 and Peace have a strong activation on the promoters of proanthocyanin (PA) biosynthetic genes...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27816237/clinical-benefit-of-component-resolved-diagnosis-in-japanese-birch-allergic-patients-with-a-convincing-history-of-apple-or-peach-allergy
#17
Hideaki Shirasaki, Tetsuo Yamamoto, Shu Abe, Etsuko Kanaizumi, Megumi Kikuchi, Tetsuo Himi
OBJECTIVE: In northern Japan, birch pollen is the major allergen in pollinosis, while oral allergy syndrome (OAS) is caused primarily by apple and peach, and is almost exclusively related to birch pollinosis. To clarify the clinical benefit of allergen-based component-resolved diagnosis (CRD) in Japanese birch-allergic patients with OAS, we present an analysis of IgE profiles in response to crude extracts and recombinant component-resolved allergen to birch pollen and Rosaceae fruits allergens...
November 2, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27814781/production-and-evaluation-of-mineral-and-nutrient-contents-chemical-composition-and-sensory-properties-of-ice-creams-fortified-with-laboratory-prepared-peach-fibre
#18
Filiz Yangılar
BACKGROUND: In the coming years, a nutraceutical food may provide both physical and mental benefits that are commonly attributed to the active components of the food. OBJECTIVE: In this study, we determined the nutrient and mineral contents, sensory properties, and physical and chemical characteristics of ice creams manufactured using peach fibre at different concentrations (1 and 2%). METHOD: A total of five experimental groups were formed: two types (from peach peel and pulp) of flour, two fibre concentrations (1 and 2%), and a control group without fibres...
2016: Food & Nutrition Research
https://www.readbyqxmd.com/read/27813555/cloning-and-bioinformatic-analysis-of-transcription-factor-myb10-from-the-red-leaf-peach
#19
X Q Wang, J Han, Y Wen, W B Jiang, J G Fang, B B Zhang, R J Ma
In higher plants, the transcription factor MYB10 is an important regulator of anthocyanin biosynthesis. In order to study its role in the development of red coloration in peach leaves, the full-length MYB10 complementary DNA sequence of the red-leaf peach cultivar 'Tsukuba No. 5' (Prunus persica f. atropurpurea) was successfully cloned using reverse transcription-polymerase chain reaction. The sequence was assigned the GenBank accession No. KP315904. Bioinformatic analysis identified the complete MYB10 open reading frame, consisting of 678 bp encoding 225 amino acids...
October 24, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27812831/carotenoids-phenolic-profile-mineral-content-and-antioxidant-properties-in-flesh-and-peel-of-prunus-persica-fruits-during-two-maturation-stages
#20
Samia Dabbou, Samira Maatallah, Antonella Castagna, Monia Guizani, Wala Sghaeir, Hichem Hajlaloui, Annamaria Ranieri
Carotenoids and phenolic profile, antioxidant activity as well as concentrations of selected macronutrients (K, N, Mg, Ca and Na) and micronutrients (Zn, Cu and Mn) in flesh and peel of peach fruit were recorded at two harvest dates. Predominant mineral was potassium, followed by calcium, magnesium and sodium. The concentration of most micronutrients was greater in the peel than in the flesh especially in early season. The concentration of most elements in flesh and peel decreased during fruit maturation. Total carotenoids content varied with respect to the cultivar...
November 3, 2016: Plant Foods for Human Nutrition
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