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https://www.readbyqxmd.com/read/28088087/ethylene-biosynthesis-and-perception-during-ripening-of-loquat-fruit-eriobotrya-japonica-lindl
#1
E Alos, A Martinez-Fuentes, C Reig, C Mesejo, M J Rodrigo, M Agustí, L Zacarías
In order to gain insights into the controversial ripening behavior of loquat fruits, in the present study we have analyzed the expression of three genes related to ethylene biosynthesis (ACS1, ACO1 and ACO2), two ethylene receptors (ERS1a and ERS1b), one signal transduction component (CTR1) and one transcription factor (EIL1) in peel and pulp of loquat fruit during natural ripening and also in fruits treated with ethylene (10μLL(-1)) and 1-MCP (10μLL(-1)), an ethylene action inhibitor. In fruits attached to or detached from the tree, a slight increase in ethylene production was detected at the yellow stage, but the respiration rate declined progressively during ripening...
December 19, 2016: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28081283/transcriptome-analysis-of-peach-prunus-persica-l-batsch-during-the-late-stage-of-fruit-ripening
#2
H F Pan, Y Sheng, Z H Gao, H L Chen, Y J Qi, X K Yi, G H Qin, J Y Zhang
Fruit ripening is a complex developmental process, the details of which remain largely unknown in fleshy fruits. In this paper, the fruit flesh of two peach varieties, "Zhongyou9" (a nectarine; Prunus persica L. Batsch) and its mutant "Hongyu", was analyzed by RNA-seq technology during two stages of ripening at 20-day intervals. One hundred and eighty significant upregulated and two hundred and thirty-five downregulated genes were identified in the experiment. Many of these genes were related to plant hormones, chlorophyll breakdown, accumulation of aroma and flavor volatiles, and stress...
December 23, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28076940/cervical-ripening-with-self-administered-iso-sorbide-mononitrate-vaginally-in-uncomplicated-singleton-pregnancies-at-39-weeks-gestation-a-double-blind-randomised-controlled-trial
#3
RANDOMIZED CONTROLLED TRIAL
K Attanayake, M Goonewardene
Introduction: Vaginal iso sorbide mononitrate (ISMN) is effective in pre induction cervical ripening in post dated pregnancies. Objectives: To determine the effectiveness and acceptability of ISMN self-administered vaginally at home, in causing cervical ripening in uncomplicated singleton pregnancies at 39 weeks gestation. Methods: Consecutive women with uncomplicated singleton pregnancies, presenting between 01 October 2013 and 31 March 2014, with a modified Bishop score (MBS) of < 5 at a gestational age (GA) of 273 days to the University Obstetric Unit of Teaching Hospital Mahamodera Galle, were allocated by stratified (primip/multip) block randomisation to self-administer vaginally at home every other day, five doses of 60 mg of sustained release form of ISMN (ISMN-SR); (n = 72, cases), or pyridoxine 10 mgs (n=72, controls), from GA 273 to 282 days...
30, 2016: Ceylon Medical Journal
https://www.readbyqxmd.com/read/28074548/annual-report-of-the-perinatology-committee-japan-society-of-obstetrics-and-gynecology-2015-proposal-of-urgent-measures-to-reduce-maternal-deaths
#4
Satoru Takeda, Jun Takeda, Keisuke Murakami, Takahiko Kubo, Hiromi Hamada, Maki Murakami, Shintaro Makino, Hiroaki Itoh, Takashi Ohba, Katsuhiko Naruse, Hiroaki Tanaka, Naohiro Kanayama, Shigeki Matsubara, Hiroshi Sameshima, Tomoaki Ikeda
Perinatal care in Japan has progressed rapidly in recent decades, remarkably reducing maternal, perinatal and neonatal mortality rates. This is attributable not only to the sustained efforts and dedication of past obstetricians and midwives, but also to the collective results achieved by the Japan Society of Obstetrics and Gynecology and healthcare administration, including research on advanced medical care, education, medical care improvements and establishing perinatal care centers. Although the maternal mortality rate was in steady decline until 2007 (3...
January 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28071009/evolution-of-free-amino-acids-biogenic-amines-and-n-nitrosoamines-throughout-ageing-in-organic-fermented-beef
#5
Karolina M Wójciak, Elżbieta Solska
BACKGROUND: In recent years, interest in uncured meat products has grown and studies were carried out on the use of substances which could replace nitrites, such as acid whey. In spite of this problem in fermented meat products, there is no information regarding the effects of prolonged ageing on the formation of chemical (nitrosoamines, biogenic amines, secondary lipid oxidation products) and microbiological (L. monocytogenes, S. aureus, OLD) toxicants in fermented beef marinated with acid whey...
April 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28070836/solvent-a-key-in-digestive-ripening-for-monodisperse-au-nanoparticles
#6
Peng Wang, Xuan Qi, Xuemin Zhang, Tieqiang Wang, Yunong Li, Kai Zhang, Shuang Zhao, Jun Zhou, Yu Fu
This work has mainly investigated the influence of the solvent on the nanoparticles distribution in digestive ripening. The experiments suggested that the solvents played a key role in digestive ripening of Au nanoparticles (Au NPs). For the benzol solvents, the resulting size distribution of Au NPs was inversely related to the solvent polarity. It may be interpreted by the low Gibbs free energy of nanoparticles in the high polarity medium, which was supposedly in favor of reducing the nanoparticles distribution...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28070555/molecular-ligand-modulation-of-palladium-nanocatalysts-for-highly-efficient-and-robust-heterogeneous-oxidation-of-cyclohexenone-to-phenol
#7
Teng Xue, Zhaoyang Lin, Chin-Yi Chiu, Yongjia Li, Lingyan Ruan, Gongming Wang, Zipeng Zhao, Chain Lee, Xiangfeng Duan, Yu Huang
Metallic nanoparticles are emerging as an exciting class of heterogeneous catalysts with the potential advantages of exceptional activity, stability, recyclability, and easier separation than homogeneous catalysts. The traditional colloid nanoparticle syntheses usually involve strong surface binding ligands that could passivate the surface active sites and result in poor catalytic activity. The subsequent removal of surface ligands could reactivate the surface but often leads to metal ion leaching and/or severe Ostwald ripening with diminished catalytic activity or poor stability...
January 2017: Science Advances
https://www.readbyqxmd.com/read/28069217/facile-high-yield-ultrasound-mediated-protocol-for-zno-hierarchical-structures-synthesis-formation-mechanism-optical-and-photocatalytic-properties
#8
Oana Carp, Alina Tirsoaga, Ramona Ene, Adelina Ianculescu, Raluca F Negrea, Paul Chesler, Gabriela Ionita, Ruxandra Birjega
Hierarchical flowers-like zinc oxide structures have been successfully obtained by a simple and fast ultrasound-assisted method performed in a ordinary ultrasonic bath using an ammonia solution and zinc acetate, in the absence of any surfactant or template. The composition, structure, crystallinity, morphology and optical properties of the materials obtained at different ultrasound irradiation times were characterized by infrared, UV-Vis and photoluminescence spectroscopy, X-ray diffraction, scanning and transmission electron microscopy investigations...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28061767/the-effect-of-induction-method-in-twin-pregnancies-a-secondary-analysis-for-the-twin-birth-study
#9
Elad Mei-Dan, Elizabeth V Asztalos, Andrew R Willan, Jon F R Barrett
BACKGROUND: This secondary analysis for the Twin Birth Study, an international, multicenter trial, aimed to compare the cesarean section rates and safety between methods of induction of labor in twin pregnancies. METHODS: Women with twin pregnancies where the first twin was in a cephalic presentation and who presented for labor induction, were non-randomly assigned to receive prostaglandin or amniotomy and/or oxytocin. Main outcome measures were the rates of unplanned cesarean section and neonatal and maternal mortality or serious morbidity...
January 6, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28060435/intralayered-ostwald-ripening-to-ultrathin-nanomesh-catalyst-with-robust-oxygen-evolving-performance
#10
Junfeng Xie, Xiaodong Zhang, Hao Zhang, Jiajia Zhang, Shuang Li, Ruoxing Wang, Bicai Pan, Yi Xie
An etching-intralayered Ostwald ripening process is proposed, which leads to the formation of a β-Ni(OH)2 ultrathin nanomesh with abundant and uniformly distributed nanopores of 3-4 nm. The nanomesh catalyst exhibits outstanding oxygen evolution reaction performance, with high catalytic current density and superior long-term stability, making this Earth-abundant nanomesh catalyst a promising candidate for commercial water splitting.
January 6, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28059774/long-time-atomistic-dynamics-through-a-new-self-adaptive-accelerated-molecular-dynamics-method
#11
Ning Gao, Li Yang, Fei Gao, Richard Kurtz, Damien West, Shengbai Zhang
A self-adaptive accelerated molecular dynamics method is developed to model the infrequent atomic-scale events, especially for treating events that occur on a rugged free-energy surface. Key in the new development is the use of the total displacement of the system at a given temperature to construct a boost-potential, which is slowly increased to accelerate the dynamics. By allowing the system to evolve from one steady-state configuration to another by overcoming the transition state, this self-evolving approach makes it possible to explore the coupled motion of species that migrate on vastly different time scales...
January 6, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28052472/template-removal-via-boudouard-equilibrium-allows-for-synthesis-of-mesostructured-molybdenum-compounds
#12
Martin Schieder, Carina Bojer, Julia Vom Stein, Sebastian Koch, Thomas Martin, Holger Schmalz, Josef Breu, Thomas Lunkenbein
Oxidative thermal removal of the polymeric templates is not trivial for molybdenum oxides and hampers mesostructuring of this material. At ambient oxygen fugacity, Mo(VI) is the thermodynamically stable oxidation state and sublimation of MoO3 leads to a quick loss of the mesostructure through Oswald ripening. Taking advantage of the Boudouard equilibrium allows to fix the oxygen fugacity at a level where non-volatile MoO2-x is stable while carbonaceous material may be oxidized by CO2 . Mesostructured MoO2-x can be chemically converted into MoO3 or MoN under retention of the mesostructure...
January 3, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28049426/comparative-transcriptome-analysis-of-two-contrasting-watermelon-genotypes-during-fruit-development-and-ripening
#13
Qianglong Zhu, Peng Gao, Shi Liu, Zicheng Zhu, Sikandar Amanullah, Angela R Davis, Feishi Luan
BACKGROUND: Watermelon [Citrullus lanatus (Thunb.) Matsum. & Nakai] is an economically important crop with an attractive ripe fruit that has colorful flesh. Fruit ripening is a complex, genetically programmed process. RESULTS: In this study, a comparative transcriptome analysis was performed to identify the regulators and pathways that are involved in the fruit ripening of pale-yellow-flesh cultivated watermelon (COS) and red-flesh cultivated watermelon (LSW177)...
January 3, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28044313/the-transcriptional-regulatory-network-mediated-by-banana-musa-acuminata-dehydration-responsive-element-binding-madreb-transcription-factors-in-fruit-ripening
#14
Jian-Fei Kuang, Jian-Ye Chen, Xun-Cheng Liu, Yan-Chao Han, Yun-Yi Xiao, Wei Shan, Yang Tang, Ke-Qiang Wu, Jun-Xian He, Wang-Jin Lu
Fruit ripening is a complex, genetically programmed process involving the action of critical transcription factors (TFs). Despite the established significance of dehydration-responsive element binding (DREB) TFs in plant abiotic stress responses, the involvement of DREBs in fruit ripening is yet to be determined. Here, we identified four genes encoding ripening-regulated DREB TFs in banana (Musa acuminata), MaDREB1, MaDREB2, MaDREB3, and MaDREB4, and demonstrated that they play regulatory roles in fruit ripening...
January 3, 2017: New Phytologist
https://www.readbyqxmd.com/read/28041732/effect-of-proteolysis-during-cheddar-cheese-aging-on-the-detection-of-milk-protein-residues-by-enzyme-linked-immunosorbent-assay
#15
Katherine O Ivens, Joseph L Baumert, Robert L Hutkins, Steve L Taylor
Cow milk is a common allergenic food, and cow milk-derived cheese retains an appreciable level of allergenicity. The specific and sensitive detection of milk protein residues in foods is needed to protect milk-allergic consumers from exposure to undeclared milk protein residues contained in foods made with milk or milk-derived ingredients or made on shared equipment or in shared facilities with milk or milk-derived ingredients. However, during cheese ripening, milk proteins are degraded by chymosin and milk-derived and bacterial proteases...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28041724/composition-proteolysis-and-volatile-profile-of-strachitunt-cheese
#16
F Masotti, S Cattaneo, M Stuknytė, G Battelli, L Vallone, I De Noni
Strachitunt, a blue-veined Italian cheese, received the Protected Designation of Origin (PDO) label in 2014. Its unique technological feature is represented by the dual-curd method of production. Strachitunt is produced from raw bovine milk with or without the inoculation of natural starter cultures of lactic acid bacteria, and the addition of secondary cultures of mold spores is not permitted by the product specification. Physico-chemical properties, proteolysis, and volatile profile of Strachitunt were investigated in 10 cheese samples (ripened for 75 d) made throughout spring 2015 and provided by the main cheese maker...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28041558/acrylamide-formation-in-plantain-musa-paradisiaca-chips-influenced-by-different-ripening-stages-a-correlation-study-with-respect-to-reducing-sugars-amino-acids-and-phenolic-content
#17
L Shamla, P Nisha
The effect of ripening on the formation of acrylamide in deep fried plantain chips made from Nendran variety (Musa paradisiaca) was investigated. The precursors of acrylamide formation, reducing sugars (glucose and fructose) and ten major amino acids, were quantified during different stages of ripening using HPLC and correlated with acrylamide formation. The total phenolic content and total flavonoid content were also estimated and correlated with acrylamide formation. Both glucose and fructose increased during ripening and demonstrated a positive correlation on formation of acrylamide (correlation coefficient of r=0...
May 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28040679/morphological-observation-rna-seq-quantification-and-expression-profiling-novel-insight-into-grafting-responsive-carotenoid-biosynthesis-in-watermelon-grafted-onto-pumpkin-rootstock
#18
Guang Liu, Xingping Yang, Jinhua Xu, Man Zhang, Qian Hou, Lingli Zhu, Ying Huang, Aisheng Xiong
Watermelon is an important and economical horticultural crop in China, where ~20% of the plants are grafted. The development of grafted watermelon fruit involves a diverse range of gene interactions that results in dynamic changes in fruit. However, the molecular mechanisms underlying grafting-induced fruit quality change are unclear. In the present study, we measured the lycopene content by high-performance liquid chromatography and used RNA-Seq (quantification) to perform a genome-wide transcript analysis of fruits from watermelon grafted onto pumpkin rootstock (pumpkin-grafted watermelon, PGW), self-grafted watermelon (SGW), and non-grafted watermelon (NGW)...
December 30, 2016: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28040167/genetic-diversity-safety-and-technological-characterization-of-lactic-acid-bacteria-isolated-from-artisanal-pico-cheese
#19
M F P Domingos-Lopes, C Stanton, P R Ross, M L E Dapkevicius, C C G Silva
A total of 114 lactic acid bacteria were isolated at one and 21 days of ripening from a traditional raw cow's milk cheese without the addition of starter culture, produced by three artisanal cheese-makers in Azores Island (Pico, Portugal). Identification to species and strain level was accomplished by16S rRNA gene and PFGE analysis. Carbohydrate utilization profiles were obtained with the relevant API kits. Isolates were evaluated according to safety and technological criteria. The most frequently observed genus identified by 16S rRNA sequencing analysis was Enterococcus, whereas API system mostly identified Lactobacillus...
May 2017: Food Microbiology
https://www.readbyqxmd.com/read/28040166/dynamics-of-bacterial-communities-during-manufacture-and-ripening-of-traditional-caciocavallo-of-castelfranco-cheese-in-relation-to-cows-feeding
#20
Marina Giello, Antonietta La Storia, Felicia Masucci, Antonio Di Francia, Danilo Ercolini, Francesco Villani
Traditional Caciocavallo of Castelfranco is a semi-hard "pasta-filata" cheese produced from raw cows' milk in Campania region. The aim of the present research is mainly focused on the study, by 16S rRNA gene pyrosequencing and viable counts, of the dynamics of bacterial communities during manufacture and ripening of traditional Caciocavallo cheese. Moreover, the possible correlation between cheese microbiota and cows' feeding based on silage or hay was also evaluated. In general, except for enterococci, the technological process significantly affected all the microbial groups...
May 2017: Food Microbiology
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