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https://www.readbyqxmd.com/read/28890721/development-and-application-of-transcriptome-derived-microsatellites-in-actinidia-eriantha-actinidiaceae
#1
Rui Guo, Jacob B Landis, Michael J Moore, Aiping Meng, Shuguang Jian, Xiaohong Yao, Hengchang Wang
Actinidia eriantha Benth. is a diploid perennial woody vine native to China and is recognized as a valuable species for commercial kiwifruit improvement with high levels of ascorbic acid as well as having been used in traditional Chinese medicine. Due to the lack of genomic resources for the species, microsatellite markers for population genetics studies are scarce. In this study, RNASeq was conducted on fruit tissue of A. eriantha, yielding 5,678,129 reads with a total output of 3.41 Gb. De novo assembly yielded 69,783 non-redundant unigenes (41...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28877224/transformation-products-elucidation-of-forchlorfenuron-in-postharvest-kiwifruit-by-time-of-flight-mass-spectrometry
#2
Zhiwei Zhang, Zhenhong Gao, Yuan Wang, Yahong Yuan, Jing Dong, Tianli Yue
Forchlorfenuron (1-(2-chloro-4-pyridyl)-3-phenylurea, FCF) is a plant growth regulator, being extensively used for increasing kiwifruit size. The toxicological properties of its may persist in their transformation products (TPs) or even higher toxicity than FCF. TPs elucidation of FCF in postharvest kiwifruit (Actinidia chinensis, Chinese gooseberry) by the liquid chromatography ionization hybrid ion trap and time-of-flight mass spectrometry (LC-ESI-IT-TOF/MS) in positive mode was the objective of the present study...
2017: PloS One
https://www.readbyqxmd.com/read/28867093/the-nutritional-composition-of-zespri%C3%A2-sungold-kiwifruit-and-zespri%C3%A2-sweet-green-kiwifruit
#3
Sivalingam Sivakumaran, Lee Huffman, Subathira Sivakumaran, Lynley Drummond
The composition of kiwifruit is important for understanding the nutritional value of kiwifruit for consumption. Our aim was to develop a reference nutritional composition profile for a gold-fleshed kiwifruit Zespri® SunGold Kiwifruit and a green-fleshed kiwifruit Zespri® Sweet Green Kiwifruit. Ten representative single-replicate (10 growers) samples, each containing 40 fruit, were prepared for both kiwifruit varieties. Samples were analysed for macronutrients, minerals, and vitamins. The analytical results reveal that the nutrient composition of SunGold and Sweet Green are largely similar to other commercially available kiwifruits...
January 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28854186/meloidogyne-aberrans-sp-nov-nematoda-meloidogynidae-a-new-root-knot-nematode-parasitizing-kiwifruit-in-china
#4
Ye Tao, Chunling Xu, Chunfen Yuan, Honghong Wang, Borong Lin, Kan Zhuo, Jinling Liao
High infection rates of roots of wild kiwifruit (Actinidia chinensis Planch) and soil infestation by a root-knot nematode were found in Anshun, GuiZhou Province, China. Morphology, esterase phenotype and molecular analyses confirmed that this nematode was different from previously described root-knot nematodes. In this report, the species is described, illustrated and named Meloidogyne aberrans sp. nov. The new species has a unique combination of characters. A prominent posterior protuberance, round and faint perineal pattern and a medium-length stylet (13...
2017: PloS One
https://www.readbyqxmd.com/read/28811752/occurrence-and-epidemics-of-bacterial-canker-of-kiwifruit-in-korea
#5
REVIEW
Gyoung Hee Kim, Jae Sung Jung, Young Jin Koh
Bacterial canker is the largest limiting factor in the cultivation and production of kiwifruit worldwide. Typical symptoms comprise necrotic spots on leaves, canker and dieback on canes and trunks, twig wilting, and blossom necrosis. Pseudomonas syringae pv. actinidiae (Psa), which is the causal agent of kiwifruit bacterial canker, is divided into four biovars based on multilocus sequence analysis of different genes, additional PCR testing of pathogenic genes (argKtox cluster, cfl, and various effector genes), and biochemical and physiological characterization...
August 2017: Plant Pathology Journal
https://www.readbyqxmd.com/read/28798306/hyperspectral-imaging-for-predicting-the-internal-quality-of-kiwifruits-based-on-variable-selection-algorithms-and-chemometric-models
#6
Hongyan Zhu, Bingquan Chu, Yangyang Fan, Xiaoya Tao, Wenxin Yin, Yong He
We investigated the feasibility and potentiality of determining firmness, soluble solids content (SSC), and pH in kiwifruits using hyperspectral imaging, combined with variable selection methods and calibration models. The images were acquired by a push-broom hyperspectral reflectance imaging system covering two spectral ranges. Weighted regression coefficients (BW), successive projections algorithm (SPA) and genetic algorithm-partial least square (GAPLS) were compared and evaluated for the selection of effective wavelengths...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28782194/the-preparation-of-hyaluronic-acid-nanoparticles-from-aspicilia-lichens-using-bifido-bacteria-for-help-in-the-treatment-of-diabetes-in-rats-in-vivo
#7
Akbar Esmaeili, Shirin Rajaee
Many common herbs and spices are claimed to have blood sugar lowering properties that make them useful for people with or at high risk of diabetes. The main of compounds of kiwifruit (Actinidia deliciosa), rhubarb (Rheum ribes), membrane inner of egg shell, wool of sheep, human fingernail (unguis), hyaluronic acid produced by the Bifidobacterium, and usnic acid of Aspicilia lichen were extracted by different methods. All compounds of the extract were divided into five groups. We used variables such as pH, different compounds, concentration, number of injections, and blood glucose monitoring in different situations...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28759758/kiwi-fruit-actinidia-deliciosa-ameliorates-gentamicin-induced-nephrotoxicity-in-albino-mice-via-the-activation-of-nrf2-and-the-inhibition-of-nf-%C3%AE%C2%BAb-kiwi-gentamicin-induced-nephrotoxicity
#8
Yomna I Mahmoud
Gentamicin is a potent aminoglycoside antibiotic, but the risk of nephrotoxicity limits its prolonged use. The toxicity of gentamicin is believed to result from oxidative stress, a condition that could be counteracted by dietary antioxidants. This study determines the possible renoprotective effects of kiwifruit against the pathophysiological and ultrastructural alterations induced by gentamicin. Mice were intraperitoneally injected with gentamicin (100mg/kg body weight) for eight consecutive days, and kiwi juice was administered for 8days, either concomitant to or after gentamicin injection...
July 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28732865/effect-of-molecular-weight-of-chitosan-on-the-shelf-life-and-other-quality-parameters-of-three-different-cultivars-of-actinidia-kolomikta-kiwifruit
#9
Tomas Drevinskas, Gintarė Naujokaitytė, Audrius Maruška, Murat Kaya, Idris Sargin, Remigijus Daubaras, Laima Česonienė
The kiwi fruit, Actinidia kolomikta, has valuable properties such as high antioxidant activity, high vitamin C, polyphenols, chlorophylls and organic acids content, but the species are hardly commercialized due to their short shelf life (less than two days). In this study three different cultivars of A. kolomikta (Anykšta, Sentiabrskaya and VIR2) were coated with low, medium and high molecular weight chitosan bio-polymer with the aim to extend the shelf life. The changes in fruit firmness, mass, phenolic compound content, vitamin C content and subjective criteria (withering level, decoloration level and aesthetic appearance) were monitored...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28720800/itraq-based-quantitative-proteomic-analysis-reveals-alterations-in-the-metabolism-of-actinidia-arguta
#10
Miaomiao Lin, Jinbao Fang, Xiujuan Qi, Yukuo Li, Jinyong Chen, Leiming Sun, Yunpeng Zhong
Actinidia arguta 'Tianyuanhong' is a new kiwifruit variety with an all-red pericarp and pulp, in contrast to the all-green pulp of A. arguta 'Yongfengyihao'. Transcriptome profile analysis of fruit color has been reported, however, the metabolic mechanisms producing red flesh remain unknown, and it is unclear why the pulp of 'Tianyuanhong' is red rather than green. Herein, we identified differences between the proteomes of two A. arguta cultivars with different fruit color by using iTRAQ-based quantitative proteomic methods during the stage of color change...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28687784/whole-transcriptome-sequencing-of-pseudomonas-syringae-pv-actinidiae-infected-kiwifruit-plants-reveals-species-specific-interaction-between-long-non-coding-rna-and-coding-genes
#11
Zupeng Wang, Yifei Liu, Li Li, Dawei Li, Qiong Zhang, Yangtao Guo, Shuaibin Wang, Caihong Zhong, Hongwen Huang
An outbreak of kiwifruit bacterial canker disease caused by Pseudomonas syringae pv. actinidiae (Psa) beginning in 2008 caused disaster to the kiwifruit industry. However the mechanisms of interaction between kiwifruit and Psa are unknown. Long noncoding RNAs (lncRNAs) are known to regulate many biological processes, but comprehensive repertoires of kiwifruit lncRNAs and their effects on the interaction between kiwifruit and Psa are unknown. Here, based on in-depth transcriptomic analysis of four kiwifruit materials at three stages of infection with Psa, we identified 14,845 transcripts from 12,280 loci as putative lncRNAs...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28672690/valorization-of-starchy-cellulosic-and-sugary-food-waste-into-hydroxymethylfurfural-by-one-pot-catalysis
#12
Iris K M Yu, Daniel C W Tsang, Alex C K Yip, Season S Chen, Yong Sik Ok, Chi Sun Poon
This study aimed to produce a high-value platform chemical, hydroxymethylfurfural (HMF), from food waste and evaluate the catalytic performance of trivalent and tetravalent metals such as AlCl3, CrCl3, FeCl3, Zr(O)Cl2, and SnCl4 for one-pot conversion. Starchy food waste, e.g., cooked rice and penne produced 4.0-8.1 wt% HMF and 46.0-64.8 wt% glucose over SnCl4 after microwave heating at 140 °C for 20 min. This indicated that starch hydrolysis was effectively catalyzed but subsequent glucose isomerization was rate-limited during food waste valorization, which could be enhanced by 40-min reaction to achieve 22...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28672040/comparative-transcript-profiling-explores-differentially-expressed-genes-associated-with-sexual-phenotype-in-kiwifruit
#13
Ping Tang, Qiong Zhang, Xiaohong Yao
BACKGROUND: Kiwifruit is a perennial, deciduous and functionally dioecious plant. However, very little is known about the whole-genome molecular mechanisms contributing to distinct sexual phenotypes. To gain a global view of genes differentially expressed between male and female flowers, we analyzed genome-wide gene expression profiles in the flowers of male and female plants using high-throughput RNA sequencing. RESULTS: A total of 53.5 million reads were generated...
2017: PloS One
https://www.readbyqxmd.com/read/28640214/a-pilot-randomized-cross-over-trial-to-examine-the-effect-of-kiwifruit-on-satiety-and-measures-of-gastric-comfort-in-healthy-adult-males
#14
Alison Wallace, Sarah Eady, Lynley Drummond, Duncan Hedderley, Juliet Ansell, Richard Gearry
'Hayward' kiwifruit anecdotally are associated with improved gastrointestinal comfort following the consumption of high protein meals, possibly because of the presence of a protease enzyme, actinidin. The study aimed to use SmartPill™ technology to investigate the acute effect of kiwifruit with actinidin (Actinidia chinensis var. deliciosa 'Hayward') and kiwifruit without actinidin (A. chinensis var. chinensis 'Hort16A') on digestion of a large protein meal. Ten healthy male subjects were recruited. The participants attended the clinic three times, having fasted overnight...
June 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28624093/osmotic-dehydration-of-organic-kiwifruit-pre-treated-by-pulsed-electric-fields-and-monitored-by-nmr
#15
Maria Victoria Traffano-Schiffo, Luca Laghi, Marta Castro-Giraldez, Urszula Tylewicz, Pietro Rocculi, Luigi Ragni, Marco Dalla Rosa, Pedro J Fito
Osmotic dehydration (OD) is a widely used preservation technique that consists in the reduction in food water activity by the immersion of the biological tissue in hypertonic solutions. The aim of this work was to analyze the effect of pulsed electric fields (PEF) in mass transfer as a pre-treatment of the OD using NMR. In this sense, PEF pre-treatments were done using three different voltages (100, 250 and 400V/cm) and 60 number of pulse. The OD of kiwifruit was carried out in 61.5% of sucrose solution at 25°C, for a contact period from 0 to 120min...
December 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28620210/a-bacterial-acetyltransferase-triggers-immunity-in-arabidopsis-thaliana-independent-of-hypersensitive-response
#16
Jay Jayaraman, Sera Choi, Maxim Prokchorchik, Du Seok Choi, Amandine Spiandore, Erik H Rikkerink, Matthew D Templeton, Cécile Segonzac, Kee Hoon Sohn
Type-III secreted effectors (T3Es) play critical roles during bacterial pathogenesis in plants. Plant recognition of certain T3Es can trigger defence, often accompanied by macroscopic cell death, termed the hypersensitive response (HR). Economically important species of kiwifruit are susceptible to Pseudomonas syringae pv. actinidiae (Psa), the causal agent of kiwifruit bacterial canker. Although Psa is non-pathogenic in Arabidopsis thaliana, we observed that a T3E, HopZ5 that is unique to a global outbreak clade of Psa, triggers HR and defence in Arabidopsis accession Ct-1...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28613977/the-scientific-economic-and-social-impacts-of-the-new-zealand-outbreak-of-bacterial-canker-of-kiwifruit-pseudomonas-syringae-pv-actinidiae
#17
Joel L Vanneste
The introduction of Pseudomonas syringae pv. actinidiae (Psa) severely damaged the New Zealand kiwifruit industry, which in 2010 was based on only two cultivars. Despite an extraordinarily quick and strong response by industry, government, and scientists to minimize the economic and social impacts, the economic consequences of this outbreak were severe. Although our understanding of Psa epidemiology and control methods increased substantively over the past six years, the kiwifruit industry largely recovered because of the introduction of a less-susceptible yellow-fleshed cultivar...
August 4, 2017: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/28598694/kiwifruit-ameliorates-gentamicin-induced-histological-and-histochemical-alterations-in-the-kidney-of-albino-mice
#18
Y I Mahmoud, S Farag
Gentamicin is an antibiotic used worldwide for treating Gram-negative bacterial infections. Gentamicin causes nephrotoxicity in up to 25% of therapeutic cases owing to increased production of free radicals. Kiwifruit are nutrient-dense fruits that have proven effective for ameliorating many pathological conditions caused by oxidative stress. We investigated the possible prophylactic and therapeutic effects of kiwifruit on the changes in renal histology and histochemistry caused by gentamicin. Intramuscular injection of mice with gentamicin for 10 consecutive days was nephrotoxic as indicated by epithelial vacuolization, glomerular atrophy and tubular necrosis...
June 9, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28572946/experimental-and-modeling-investigation-of-mass-transfer-during-combined-infrared-vacuum-drying-of-hayward-kiwifruits
#19
Emad Aidani, Mohammadhossein Hadadkhodaparast, Mahdi Kashaninejad
In this work, we tried to evaluate mass transfer during a combined infrared-vacuum drying of kiwifruits. Infrared radiation power (200-300 W) and system pressure (5-15 kPa), as drying parameters, are evaluated on drying characteristics of kiwifruits. Both the infrared lamp power and vacuum pressure affected the drying time of kiwifruit slices. Nine different mathematical models were evaluated for moisture ratios using nonlinear regression analysis. The results of regression analysis indicated that the quadratic model is the best to describe the drying behavior with the lowest SE values and highest R value...
May 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28558268/identification-of-in-situ-flower-volatiles-from-kiwifruit-actinidia-chinensis-var-deliciosa-cultivars-and-their-male-pollenisers-in-a-new-zealand-orchard
#20
Andrew M Twidle, David M Suckling, Alan G Seal, Bruno Fedrizzi, Lisa I Pilkington, David Barker
In situ flower volatiles from six kiwifruit cultivars (Actinidia chinensis var. deliciosa); 'Hayward', 'Chieftain', 'M56', 'Zes007' (Green11), 'M36', and 'M43' were collected by dynamic headspace sampling. Forty-five compounds were detected in the headspace of the flowers, with straight chain hydrocarbons and terpenes accounting for >98% of the volatiles emitted quantitatively across the six cultivars. Of these hydrocarbons, (3Z,6Z,9Z)-heptadecatriene is reported for the first time from a floral source while (8Z)-hexadecene and (9Z)-nonadecene are reported for the first time from kiwifruit flowers...
September 2017: Phytochemistry
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