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https://www.readbyqxmd.com/read/28734070/genome-scans-on-experimentally-evolved-populations-reveal-candidate-regions-for-adaptation-to-plant-resistance-in-the-potato-cyst-nematode-globodera-pallida
#1
D Eoche-Bosy, M Gautier, M Esquibet, F Legeai, A Bretaudeau, O Bouchez, S Fournet, E Grenier, J Montarry
Improving resistance durability involves to be able to predict the adaptation speed of pathogen populations. Identifying the genetic bases of pathogen adaptation to plant resistances is a useful step to better understand and anticipate this phenomenon. Globodera pallida is a major pest of potato crop for which a resistance QTL, GpaVvrn , has been identified in Solanum vernei. However, its durability is threatened as G. pallida populations are able to adapt to the resistance in few generations. The aim of the present study was to investigate the genomic regions involved in the resistance breakdown by coupling experimental evolution and high-density genome scan...
July 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28733104/comparative-shoot-proteome-analysis-of-two-potato-solanum-tuberosum-l-genotypes-contrasting-in-nitrogen-deficiency-responses-in-vitro
#2
Philipp Meise, Anna Maria Jozefowicz, Ralf Uptmoor, Hans-Peter Mock, Frank Ordon, Annegret Schum
Aiming at a better understanding of the physiological and biochemical background of nitrogen use efficiency, alterations in the shoot proteome under N-deficiency were investigated in two contrasting potato genotypes grown in vitro with 60 and 7.5mM N, respectively. A gel based proteomic approach was applied to identify candidate proteins associated with genotype specific responses to N-deficiency. 21% of the detected proteins differed in abundance between the two genotypes. Between control and N-deficiency conditions 19...
July 18, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28728684/healthful-and-unhealthful-plant-based-diets-and-the-risk-of-coronary-heart%C3%A2-disease-in-u-s-adults
#3
Ambika Satija, Shilpa N Bhupathiraju, Donna Spiegelman, Stephanie E Chiuve, JoAnn E Manson, Walter Willett, Kathryn M Rexrode, Eric B Rimm, Frank B Hu
BACKGROUND: Plant-based diets are recommended for coronary heart disease (CHD) prevention. However, not all plant foods are necessarily beneficial for health. OBJECTIVES: This study sought to examine associations between plant-based diet indices and CHD incidence. METHODS: We included 73,710 women in NHS (Nurses' Health Study) (1984 to 2012), 92,329 women in NHS2 (1991 to 2013), and 43,259 men in Health Professionals Follow-up Study (1986 to 2012), free of chronic diseases at baseline...
July 25, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28727761/genome-wide-identification-of-the-potato-wrky-transcription-factor-family
#4
Chao Zhang, Dongdong Wang, Chenghui Yang, Nana Kong, Zheng Shi, Peng Zhao, Yunyou Nan, Tengkun Nie, Ruoqiu Wang, Haoli Ma, Qin Chen
WRKY transcription factors play pivotal roles in regulation of stress responses. This study identified 79 WRKY genes in potato (Solanum tuberosum). Based on multiple sequence alignment and phylogenetic relationships, WRKY genes were classified into three major groups. The majority of WRKY genes belonged to Group II (52 StWRKYs), Group III had 14 and Group I consisted of 13. The phylogenetic tree further classified Group II into five sub-groups. All StWRKY genes except StWRKY79 were mapped on potato chromosomes, with eight tandem duplication gene pairs and seven segmental duplication gene pairs found from StWRKY family genes...
2017: PloS One
https://www.readbyqxmd.com/read/28727075/amino-acid-digestibility-by-weanling-pigs-of-processed-ingredients-originating-from-soybeans-00-rapeseeds-or-a-fermented-mixture-of-plant-ingredients
#5
D M D L Navarro, Y Liu, T S Bruun, H H Stein
An experiment was conducted to determine the apparent ileal digestibility (AID) and the standardized ileal digestibility (SID) of CP and AA in 4 sources of processed soybean products, in conventional dehulled soybean meal (SBM-CV), in conventional 00-rapeseed expellers (RSE), and in a fermented coproduct mixture (FCM) that contained rapeseed meal, wheat, soy molasses, and potato peel fed to weanling pigs. The 4 processed soybean products included 2 sources of enzyme-treated soybean meal (ESBM-1 and ESBM-2), extruded soybean meal, and soy protein concentrate (SPC)...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28721494/a-comprehensive-characterization-of-parameters-affecting-high-frequency-irreversible-electroporation-lesions
#6
Tyler Miklovic, Eduardo L Latouche, Matthew R DeWitt, Rafael V Davalos, Michael B Sano
Several focal therapies are being investigated clinically to treat tumors in which surgery is contraindicated. Many of these ablation techniques, such as radiofrequency ablation and microwave ablation, rely on thermal damage mechanisms which can put critical nerves or vasculature at risk. Irreversible electroporation (IRE) is a minimally invasive, non-thermal technique to destroy tumors. A series of short electric pulses create nanoscale defects in the cell membrane, eventually leading to cell death. Typical IRE protocols deliver a series of 50-100 µs monopolar pulses...
July 18, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28721077/food-protein-induced-enterocolitis-syndrome-a-review-of-the-literature-with-focus-on-clinical-management
#7
REVIEW
Marine Michelet, Dominique Schluckebier, Laetitia-Marie Petit, Jean-Christoph Caubet
Food protein-induced enterocolitis syndrome (FPIES) is a potentially severe presentation of non-IgE-mediated gastrointestinal food allergy (non-IgE-GI-FA) with heterogeneous clinical manifestations. Acute FPIES is typically characterized by profuse vomiting and lethargy, occurring classically 1-4 hours after ingestion of the offending food. When continuously exposed to the incriminated food, a chronic form has been described with persistent vomiting, diarrhea, and/or failure to thrive. Although affecting mainly infants, FPIES has also been described in adults...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/28720934/evaluation-of-antioxidant-properties-of-za-atar-thymbra-spicata-essential-oils-as-natural-antioxidant-for-stability-of-palm-olein-during-deep-fat-frying-process
#8
Medeni Maskan, Erhan Horuz
The yield of Za'atar (Thymbra spicata) essential oils were found to be 2.5-3.4% at extraction process temperatures of 100-175 °C. The essential oils contained 79.5-86.2% carvacrol. Effects of BHT and Za'atar essential oil on stability of palm olein during deep-fat frying of potato slices were studied at 180 °C. Changes in peroxide, para-anisidine, iodine values, free fatty acid and color were determined. Za'atar essential oil and BHT reduced free fatty acid content of olein from 0.27 to 0.21% (oleic acid) after 50 frying cycles...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28719835/silencing-the-tobacco-gene-for-rna-dependent-rna-polymerase-1-and-infection-by-potato-virus-y-cause-remodeling-of-cellular-organelles
#9
Farshad Rakhshandehroo, Saeed Rezaee, Peter Palukaitis
RNA-dependent RNA polymerase 1 (RDR1) has been shown to be involved in DNA methylation, RNA silencing and regulating expression of other genes. RDR1 gene expression is stimulated by infection with potato virus Y° (PVY). Transgenic Nicotiana tabacum plants silenced for RDR1 gene expression showed morphological changes in mesophyll cells, associated with remodeling of the nuclei, chloroplasts and mitochondria. RDR1 silencing led to decreased nuclear size, increased heterochromatin content and aggregation, decreased numbers of chloroplasts, plus changes in shape, internal structures and integrity of chloroplasts and mitochondria...
July 15, 2017: Virology
https://www.readbyqxmd.com/read/28718996/production-of-ligninolytic-enzymes-and-some-diffusible-antifungal-compounds-by-white-rot-fungi-using-potato-solid-wastes-as-the-sole-nutrient-source
#10
H Schalchli, E Hormazábal, O Rubilar, G Briceño, A Mutis, G J Zocolo, C Diez
AIMS: The aim of this study was to evaluate the synthesis of ligninolytic enzymes and some diffusible antifungal compounds by white-rot fungi using peels or discarded potato as the sole nutrient source. METHODS AND RESULTS: The strain Trametes hirsuta Ru-513 has been highlighted for its laccase activity (595 ± 33 U l(-1) ), which is able to decolourise 87% of an anthraquinone dye using potato peels as the sole nutritional support. A native polyacrylamide gel of laccase proteins showed the presence of two isoenzymes, corresponding to proteins of 56 and 67 kDa, which were detected by SDS-PAGE...
July 18, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28718885/virulence-determines-beneficial-trade-offs-in-the-response-of-virus-infected-plants-to-drought-via-induction-of-salicylic-acid
#11
Emmanuel Aguilar, Carmen Cutrona, Francisco J Del Toro, José G Vallarino, Sonia Osorio, María Luisa Pérez-Bueno, Matilde Barón, Bong-Nam Chung, Tomás Canto, Francisco Tenllado
It has been hypothesized that plants can get beneficial trade-offs from viral infections when grown under drought conditions. However, experimental support for a positive correlation between virus-induced drought tolerance and increased host fitness is scarce. We investigated whether increased virulence exhibited by the synergistic interaction involving Potato virus X (PVX) and Plum pox virus (PPV) improves tolerance to drought and host fitness in Nicotiana benthamiana and Arabidopsis thaliana. Infection by the pair PPV/PVX and by PPV expressing the virulence protein P25 of PVX conferred an enhanced drought-tolerant phenotype compared to single infections with either PPV or PVX...
July 18, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28718511/genome-wide-identification-of-genes-involved-in-the-potato-response-to-drought-indicates-functional-evolutionary-conservation-with-arabidopsis-plants
#12
M Pieczynski, A Wyrzykowska, K Milanowska, D Boguszewska-Mankowska, B Zagdanska, W Karlowski, A Jarmolowski, Z Szweykowska-Kulinska
Potato is one of the four most important food crop plants worldwide and is strongly affected by drought. The following two pairs of potato cultivars, which are related in ancestry but show different drought tolerances, were chosen for comparative gene expression studies: Gwiazda/Oberon and Tajfun/Owacja. Comparative RNA-seq analyses of gene expression differences in the transcriptomes obtained from drought-tolerant versus drought-sensitive plants during water shortage conditions were performed. The twenty-three top-ranking genes were selected, 22 of which are described here as novel potato drought-responsive genes...
July 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28718017/occurrence-and-transformations-of-carbon-nitrogen-and-phosphorus-related-to-particle-size-fraction-of-sweet-potato-starch-wastewater-during-hydrolytic-acidification-processes
#13
Haixiao Zhu, Long Qin, Yue Hu, Dongyang Wei, Zibin Hai, Aimin Li, Xianchuan Xie, Chao Han
Sweet potato starch wastewater (SPSW) is an industrial food-processing waste product, which is a significant pollution source due to its high chemical oxygen demand (COD), nitrogen, and phosphorus loads. The influence of hydrolytic acidification (HA) process on C, N, and P as well as other main parameters were evaluated. It is essential to treat these wastewaters with effective methods such as HA, a general pretreatment application. In this study, we investigate the scientific link between the changes of different fractions of C, N, and P with particle size distribution in response to the newly introduced HA process...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28716126/the-effects-of-potato-virus-y-derived-virus-small-interfering-rnas-of-three-biologically-distinct-strains-on-potato-solanum-tuberosum-transcriptome
#14
Lindani Moyo, Shunmugiah V Ramesh, Madhu Kappagantu, Neena Mitter, Vidyasagar Sathuvalli, Hanu R Pappu
BACKGROUND: Potato virus Y (PVY) is one of the most economically important pathogen of potato that is present as biologically distinct strains. The virus-derived small interfering RNAs (vsiRNAs) from potato cv. Russet Burbank individually infected with PVY-N, PVY-NTN and PVY-O strains were recently characterized. Plant defense RNA-silencing mechanisms deployed against viruses produce vsiRNAs to degrade homologous viral transcripts. Based on sequence complementarity, the vsiRNAs can potentially degrade host RNA transcripts raising the prospect of vsiRNAs as pathogenicity determinants in virus-host interactions...
July 17, 2017: Virology Journal
https://www.readbyqxmd.com/read/28714369/sporamin-induces-apoptosis-and-inhibits-nf-%C3%AE%C2%BAb-activation-in-human-pancreatic-cancer-cells
#15
Cuijuan Qian, Xiaoying Chen, Yongxiao Qi, Sheng Zhong, Xinyan Gao, Wenjun Zheng, Zhixiang Mao, Jun Yao
Sporamin, a Kunitz-type trypsin inhibitor (TI) from sweet potato tuberous roots, has demonstrated anti-tumor activity through poorly defined mechanisms. Furthermore, the effects of sporamin on pancreatic cancer have not been explored. Herein, we studied the effects of sporamin on two human pancreatic cancer cell lines, PANC-1 and BxPC-3. Sporamin significantly inhibited the cell viability and proliferation activity and induced apoptosis in PANC-1 and BxPC-3 cells. Consistently, in sporamin-treated PANC-1 and BxPC-3 cells, the anti-apoptotic proteins Bcl-2 and Bcl-XL were downregulated and the pro-apoptotic protein Bax was upregulated...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28712501/gene-editing-in-polyploid-crops-wheat-camelina-canola-potato-cotton-peanut-sugar-cane-and-citrus
#16
Donald P Weeks
Polyploid crops make up a significant portion of the major food and fiber crops of the world and include wheat, potato, cotton, apple, peanut, citrus, and brassica oilseeds such as rape, canola, and Camelina. The presence of three sets of chromosomes in triploids, four sets in tetraploids, and six sets in hexaploids present significant challenges to conventional plant breeding and, potentially, to efficient use of rapidly emerging gene and genome-editing systems such as zinc finger nucleases, single-stranded oligonucleotides, TALE effector nucleases, and clustered regularly interspaced short palindromic repeats (CRISPR/Cas9)...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28708852/simultaneous-silencing-of-isoamylases-isa1-isa2-and-isa3-by-multi-target-rnai-in-potato-tubers-leads-to-decreased-starch-content-and-an-early-sprouting-phenotype
#17
Stephanus J Ferreira, Melanie Senning, Michaela Fischer-Stettler, Sebastian Streb, Michelle Ast, H Ekkehard Neuhaus, Samuel C Zeeman, Sophia Sonnewald, Uwe Sonnewald
Isoamylases hydrolyse (1-6)-alpha-D-glucosidic linkages in starch and are involved in both starch granule formation and starch degradation. In plants, three isoamylase isoforms with distinct functions in starch synthesis (ISA1 and ISA2) and degradation (ISA3) have been described. Here, we created transgenic potato plants with simultaneously decreased expression of all three isoamylases using a chimeric RNAi construct targeting all three isoforms. Constitutive expression of the hairpin RNA using the 35S CaMV promoter resulted in efficient silencing of all three isoforms in leaves, growing tubers, and sprouting tubers...
2017: PloS One
https://www.readbyqxmd.com/read/28707250/genomic-prediction-of-starch-content-and-chipping-quality-in-tetraploid-potato-using-genotyping-by-sequencing
#18
Elsa Sverrisdóttir, Stephen Byrne, Ea Høegh Riis Sundmark, Heidi Øllegaard Johnsen, Hanne Grethe Kirk, Torben Asp, Luc Janss, Kåre L Nielsen
Genomic prediction models for starch content and chipping quality show promising results, suggesting that genomic selection is a feasible breeding strategy in tetraploid potato. Genomic selection uses genome-wide molecular markers to predict performance of individuals and allows selections in the absence of direct phenotyping. It is regarded as a useful tool to accelerate genetic gain in breeding programs, and is becoming increasingly viable for crops as genotyping costs continue to fall. In this study, we have generated genomic prediction models for starch content and chipping quality in tetraploid potato to facilitate varietal development...
July 13, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28706316/description-of-pseudacrobeles-pseudacrobeles-curvatus-sp-n-cephalobidae-rhabditida-in-south-korea
#19
Jiyeon Kim, Taeho Kim, Joong-Ki Park
Pseudacrobeles (Pseudacrobeles) curvatus sp. n. was collected from potato fields in Gyeongsangnam-do, South Korea. The new species shares morphological characters typical of the genus Pseudacrobeles, including three lateral incisures that fade posteriorly near the phasmid openings. The new species differs from other Pseudacrobeles species by its smaller body size and a comparatively shorter corpus relative to the isthmus length. In this study, we provide a comparison of morphometrics and diagnostic features of Pseudacrobeles species and molecular sequence data from the D2-D3 regions of the 28S ribosomal DNA (rDNA) and ITS1-5...
June 2017: Journal of Nematology
https://www.readbyqxmd.com/read/28706310/draft-transcriptome-of-globodera-ellingtonae
#20
Wendy S Phillips, Sebastian Eves-van den Akker, Inga A Zasada
Globodera ellingtonae is a newly described cyst nematode found in Idaho, Oregon, and Argentina. Here we present the first transcriptome assembly of G. ellingtonae, providing a valuable resource for comparing the evolution of expressed genes between potato cyst nematode species.
June 2017: Journal of Nematology
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