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https://www.readbyqxmd.com/read/28704497/genetic-mapping-of-the-lobed-leaf-1-clll1-gene-to-a-127-6-kb-region-in-watermelon-citrullus-lanatus-l
#1
Chunhua Wei, Xiner Chen, Zhongyuan Wang, Qiyan Liu, Hao Li, Yong Zhang, Jianxiang Ma, Jianqiang Yang, Xian Zhang
The lobed leaf character is a unique morphologic trait in crops, featuring many potential advantages for agricultural productivity. Although the majority of watermelon varieties feature lobed leaves, the genetic factors responsible for lobed leaf formation remain elusive. The F2:3 leaf shape segregating population offers the opportunity to study the underlying mechanism of lobed leaf formation in watermelon. Genetic analysis revealed that a single dominant allele (designated ClLL1) controlled the lobed leaf trait...
2017: PloS One
https://www.readbyqxmd.com/read/28690629/genome-wide-analysis-of-simple-sequence-repeats-in-bitter-gourd-momordica-charantia
#2
Junjie Cui, Jiaowen Cheng, Dingguo Nong, Jiazhu Peng, Yafei Hu, Weiming He, Qianjun Zhou, Narinder P S Dhillon, Kailin Hu
Bitter gourd (Momordica charantia) is widely cultivated as a vegetable and medicinal herb in many Asian and African countries. After the sequencing of the cucumber (Cucumis sativus), watermelon (Citrullus lanatus), and melon (Cucumis melo) genomes, bitter gourd became the fourth cucurbit species whose whole genome was sequenced. However, a comprehensive analysis of simple sequence repeats (SSRs) in bitter gourd, including a comparison with the three aforementioned cucurbit species has not yet been published...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28681144/the-complete-nucleotide-sequence-and-genome-organization-of-a-novel-betaflexivirus-infecting-citrullus-lanatus
#3
Min Xin, Peipei Zhang, Wenwen Liu, Yingdang Ren, Mengji Cao, Xifeng Wang
The complete nucleotide sequence of a novel positive single-stranded (+ss) RNA virus, tentatively named watermelon virus A (WVA), was determined using a combination of three methods: RNA sequencing, small RNA sequencing, and Sanger sequencing. The full genome of WVA is comprised of 8,372 nucleotides (nt), excluding the poly (A) tail, and contains four open reading frames (ORFs). The largest ORF, ORF1 encodes a putative replication-associated polyprotein (RP) with three conserved domains. ORF2 and ORF4 encode a movement protein (MP) and coat protein (CP), respectively...
July 5, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28672690/valorization-of-starchy-cellulosic-and-sugary-food-waste-into-hydroxymethylfurfural-by-one-pot-catalysis
#4
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...
June 22, 2017: Chemosphere
https://www.readbyqxmd.com/read/28669763/new-species-in-the-papaya-ringspot-virus-cluster-insights-into-the-evolution-of-the-prsv-lineage
#5
C Desbiez, C Wipf-Scheibel, P Millot, E Verdin, G Dafalla, H Lecoq
The "Papaya ringspot virus (PRSV) cluster" of cucurbit-infecting potyviruses contains five acknowledged species that have similar biological, serological and molecular properties. Additional data suggest there are other uncharacterized species from various locations in the world that likely belong to the PRSV cluster including a new PRSV-like virus reported from Sudan in 2003. Molecular and biological data indicated that the virus from Sudan belongs to a new species, tentatively named wild melon vein banding virus (WMVBV)...
June 29, 2017: Virus Research
https://www.readbyqxmd.com/read/28662086/abscisic-acid-pathway-involved-in-the-regulation-of-watermelon-fruit-ripening-and-quality-trait-evolution
#6
Yanping Wang, Shaogui Guo, Shouwei Tian, Jie Zhang, Yi Ren, Honghe Sun, Guoyi Gong, Haiying Zhang, Yong Xu
Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai) is a non-climacteric fruit. The modern sweet-dessert watermelon is the result of years of cultivation and selection for fruits with desirable qualities. To date, the mechanisms of watermelon fruit ripening, and the role of abscisic acid (ABA) in this process, has not been well understood. We quantified levels of free and conjugated ABA contents in the fruits of cultivated watermelon (97103; C. lanatus subsp. vulgaris), semi-wild germplasm (PI179878; C...
2017: PloS One
https://www.readbyqxmd.com/read/28659740/biochemical-physiological-and-performance-response-of-a-functional-watermelon-juice-enriched-in-l-citrulline-during-a-half-marathon-race
#7
Ascensión Martínez-Sánchez, Domingo J Ramos-Campo, Bárbara Fernández-Lobato, Jacobo A Rubio-Arias, Fernando Alacid, Encarna Aguayo
Background: Watermelon is a rich natural source of l-citrulline. This non-essential amino acid increases exercise performance. Objective: Evaluate the effect of Fashion watermelon juice enriched in l-citrulline (CWJ) (3.45 g per 500 mL) in physical performance and biochemical markers after a half-marathon race. Design: A randomised, double blind, crossover design where 2 h after drinking 500 mL of CWJ or placebo (PLA, beverage without l-citrulline) amateur male runners performed two half-marathon races...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28649028/the-optimization-and-establishment-of-quechers-uplc-ms-ms-method-for-simultaneously-detecting-various-kinds-of-pesticides-residues-in-fruits-and-vegetables
#8
REVIEW
Zhan Xiu-Ping, Ma Lin, Huang Lan-Qi, Chen Jian-Bo, Zhao Li
OBJECTIVES: The quality safety supervision and test of agricultural products urgently need a very excellent analytical method with simultaneously detecting many components in order to assess, prevent and control pesticide residues. METHODS: In this research, three fruits and three vegetables produced in Shanghai were selected as the materials, 54 pesticide residues were detected with the ultra-high performance liquid chromatography-tandem mass spectrometric (UPLC-MS/MS) method on the basis of optimized QuEChERS method according to different materials properties...
June 10, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28647325/the-processing-of-semantic-relatedness-in-the-brain-evidence-from-associative-and-categorical-false-recognition-effects-following-transcranial-direct-current-stimulation-of-the-left-anterior-temporal-lobe
#9
Emiliano Díez, Carlos J Gómez-Ariza, Antonio M Díez-Álamo, María A Alonso, Angel Fernandez
A dominant view of the role of the anterior temporal lobe (ATL) in semantic memory is that it serves as an integration hub, specialized in the processing of semantic relatedness by way of mechanisms that bind together information from different brain areas to form coherent amodal representations of concepts. Two recent experiments, using brain stimulation techniques along with the Deese-Roediger-McDermott (DRM) paradigm, have found a consistent false memory reduction effect following stimulation of the ATL, pointing to the importance of the ATL in semantic/conceptual processing...
June 3, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28640221/use-of-chitosan-pva-hydrogels-with-copper-nanoparticles-to-improve-the-growth-of-grafted-watermelon
#10
Homero González Gómez, Francisca Ramírez Godina, Hortensia Ortega Ortiz, Adalberto Benavides Mendoza, Valentín Robledo Torres, Marcelino Cabrera De la Fuente
Modern agriculture requires alternative practices that improve crop growth without negatively affecting the environment, as resources such as water and arable land grow scarcer while the human population continues to increase. Grafting is a cultivation technique that allows the plant to be more efficient in its utilization of water and nutrients, while nanoscale material engineering provides the opportunity to use much smaller quantities of consumables compared to conventional systems but with similar or superior effects...
June 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28627966/further-evidence-of-cucurbit-host-specificity-among-acidovorax-citrulli-groups-based-on-a-detached-melon-fruit-pathogenicity-assay
#11
Lichun Yan, Hu Baishi, Gong Chen, Mei Zhao, Ron Ricardo Walcott
Bacterial fruit blotch (BFB), caused by the gram-negative bacterium Acidovorax citrulli, is a serious economic threat to cucurbit crop production worldwide. A. citrulli strains can be divided into two genetically distinct groups with group I strains infecting a range of cucurbit species, and group II strains being predominantly associated with watermelon. Group I and II A. citrulli strains differ in their arsenal of type III secreted (T3S) effector proteins and we hypothesize that these effectors are critical for cucurbit host preference...
June 19, 2017: Phytopathology
https://www.readbyqxmd.com/read/28621835/exogenously-applied-dsrna-molecules-deriving-from-zucchini-yellow-mosaic-virus-genome-move-systemically-and-protect-cucurbits-against-zymv
#12
Athanasios Kaldis, Margarita Berbati, Ourania Melita, Chrysavgi Reppa, Maria Holeva, Patricia Otten, Andreas Voloudakis
Zucchini yellow mosaic virus (ZYMV) causes serious damage in a great number of cucurbits and control measures are necessary. Transgenic cucurbits expressing parts of ZYMV genome were shown to be resistant against the cognate virus. A non-transgenic approach involving exogenous application of dsRNA has also been shown to induce resistance in tobacco against cucumber mosaic virus (CMV) and tobacco mosaic virus (TMV). In the present study, dsRNA molecules derived from the helper component-proteinase (HC-Pro) and coat protein (CP) genes of the ZYMV_DE_2014 isolate were produced in vitro...
June 16, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28621190/-watermelon-stomach-can-be-the-cause-of-severe-gastrointestinal-bleeding
#13
István Sugár, Zoltán Ráth, Pál Ondrejka, Zsolt Iványi, Bálint Scheich, Judit Várkonyi
Irregular vascular dilatation in the antrum or the cardia of the stomach can be the cause of severe gastrointestinal bleeding. The first term for it - in the beginning of the 50's of the previous century - was GAVE (Gastric Antral Vascular Ectasia) since at that time no similar phenomenon had been registered before. A quarter of a century later, after publishing a few cases, a witty internist described it as "watermelon stomach" because the macroscopic picture is similarly looking as the aforesaid fruit's appearing...
June 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28614963/watermelon-juice-concentration-using-ultrafiltration-analysis-of-sugar-and-ascorbic-acid
#14
Chiranjit Bhattacharjee, Vinod K Saxena, Suman Dutta
Raw watermelon juice was concentrated in a laboratory-scale flat-plate ultrafiltration system incorporating polyethersulfone membranes with a molecular weight cutoff of 5 kDa. The experiments have been carried out over a wide range of transmembrane pressures (100-300 kPa). The effect of ultrafiltration with molecular weight cutoff of 5 kDa polyethersulfone membrane on concentrate properties is reported. The total soluble solid content of the permeate was found to be very good, while the ascorbic acid content was on the lower side as compared to feed...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28608227/bimodality-of-stable-and-plastic-traits-in-plants
#15
Josef Fisher, Elad Bensal, Dani Zamir
We discovered an unexpected mode of bimodal distribution of stable and plastic traits, which was consistent for homologous traits of 32 varieties of seven species both in well-irrigated fields and dry conditions. We challenged archived genetic mapping data for 36 fruit, seed, flower and yield traits in tomato and found an unexpected bimodal distribution in one measure of trait variability, the mean coefficient of variation, with some traits being consistently more variable than others. To determine the degree of conservation of this distribution among higher plants, we compared 18 homologous phenotypes, including yield and seed production, across different crop species grown in a common 'crop garden' experiment...
June 12, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28598303/caulobacter-rhizosphaerae-sp-nov-a-stalked-bacterium-isolated-from-rhizosphere-soil
#16
Le-Ni Sun, En-Dong Yang, Xue-Ting Hou, Jie-Chao Wei, Zhuo-Xin Yuan, Wei-Yun Wang
The Gram-reaction-negative, aerobic, white- to pale-yellow-coloured and rod-shaped bacterium with a single polar flagellum or a stalk, designated strain 7F14T, was isolated from rhizosphere soil of cultivated watermelon (Citrullus lanatus) collected from Hefei, China. Growth of strain 7F14T was observed at pH 6.0-9.0, 10-30 °C and in the presence of 0-1 % (w/v) NaCl. Cells were catalase-negative and oxidase-positive. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain 7F14T formed a phyletic lineage within the genus Caulobacter of the family Caulobacteraceae and showed the highest 16S rRNA gene sequence similarities to Caulobacter henricii ATCC 15253T (98...
June 9, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28592944/potential-reasons-for-prevalence-of-fusarium-wilt-in-oriental-melon-in-korea
#17
Yunhee Seo, Young Ho Kim
This study aims to examine the potential reasons for the current prevalence of the fusarium wilt in the oriental melon. Twenty-seven Fusarium isolates obtained from oriental melon greenhouses in 2010-2011 were identified morphologically and by analysis of elongation factor-1 alpha gene (EF-1α) and internal transcribed spacer (ITS) rDNA sequences as 6 Fusarium species (8 isolates of F. oxysporum, 8 F. commune, 5 F. proliferatum, 3 F. equiseti, 2 F. delphinoides, and 1 F. andiyazi), which were classified as same into 6 EF-1α sequence-based phylogenetic clades...
June 2017: Plant Pathology Journal
https://www.readbyqxmd.com/read/28590876/cucumber-green-mottle-mosaic-virus-rapidly-increasing-global-distribution-etiology-epidemiology-and-management
#18
Aviv Dombrovsky, Lucy T T Tran-Nguyen, Roger A C Jones
Cucumber green mottle mosaic virus (CGMMV) was first described in 1935 infecting cucumber, making it one of the first plant viruses to be described. Its initial distribution occurred out of England to other countries. This was followed by its subsequent distribution from England and these other countries. This process increased slowly between 1935 and 1985, faster between 1986 and 2006, and rapidly between 2007 and 2016. The discovery that it diminished cucurbit fruit yields and quality, especially of watermelon, prompted a substantial research effort in worst-affected countries...
June 7, 2017: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/28589271/surveillance-of-pesticide-residues-in-fruits-and-vegetables-from-accra-metropolis-markets-ghana-2010-2012-a-case-study-in-sub-saharan-africa
#19
Paul Osei Fosu, Augustine Donkor, Cephas Ziwu, Brajesh Dubey, Robert Kingsford-Adaboh, Isaac Asante, Stephen Nyarko, Rose Tawiah, Noble Nazzah
Monitoring of pesticide residues in food commodities of plant origin is part of the regular controls on food to safeguard consumer's health. This study reports for the first time in Ghana a 3-year (2010-2012) monitoring of pesticide contamination of fruits and vegetables and their health implications. A total of 3483 samples were purchased in notable markets within Accra Metropolis and analysed for pesticide residues, employing the modified quick, easy, cheap, effective, rugged and safe analytical procedure...
July 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28587865/impact-of-vat-resistance-in-melon-on-viral-epidemics-and-genetic-structure-of-virus-populations
#20
Schoeny Alexandra, Desbiez Cécile, Millot Pauline, Wipf-Scheibel Catherine, Nozeran Karine, Gognalons Patrick, Lecoq Hervé, Boissot Nathalie
Cultivar choice is at the heart of cropping systems and resistant cultivars should be at the heart of disease management strategies whenever available. They are the easiest, most efficient and environmentally friendly way of combating viral diseases at the farm level. Among the melon genetic resources, Vat is a unique gene conferring resistance to both the melon aphid Aphis gossypii and the viruses it carries. The 'virus side' of this pleiotropic phenotype is seldom regarded as an asset for virus control. Indeed, the effect of Vat on virus epidemics in the field is expected to vary according to the composition of aphid populations in the environment and long-term studies are needed to draw a correct trend...
June 3, 2017: Virus Research
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