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Mariya Markova, Olga Pivovarova, Silke Hornemann, Stephanie Sucher, Turid Frahnow, Katrin Wegner, Jürgen Machann, Klaus Jürgen Petzke, Johannes Hierholzer, Ralf Lichtinghagen, Christian Herder, Maren Carstensen-Kirberg, Michael Roden, Natalia Rudovich, Susanne Klaus, Ralph Thomann, Rosemarie Schneeweiss, Sascha Rohn, Andreas F H Pfeiffer
BACKGROUND & AIMS: Non-alcoholic fatty liver disease (NAFLD) is associated with increased risk of hepatic, cardiovascular, and metabolic diseases. High-protein diets, rich in methionine and branched chain amino acids (BCAAs), apparently reduce liver fat but may induce insulin resistance. We investigated the effects of diets high in animal protein vs plant protein, which differ in levels of methionine and BCAA, in subjects with type 2 diabetes and NAFLD. We examined levels of liver fat, lipogenic indices, markers of inflammation, serum levels of fibroblast growth factor 21 (FGF21), and activation of signaling pathways in adipose tissue...
October 17, 2016: Gastroenterology
Marlene D Kristensen, Nathalie T Bendsen, Sheena M Christensen, Arne Astrup, Anne Raben
BACKGROUND: Recent nutrition recommendations advocate a reduction in protein from animal sources (pork, beef) because of environmental concerns. Instead, protein from vegetable sources (beans, peas) should be increased. However, little is known about the effect of these vegetable protein sources on appetite regulation. OBJECTIVE: To examine whether meals based on vegetable protein sources (beans/peas) are comparable to meals based on animal protein sources (veal/pork) regarding meal-induced appetite sensations...
2016: Food & Nutrition Research
Essowè Palanga, Denis Filloux, Darren P Martin, Emmanuel Fernandez, Daniel Gargani, Romain Ferdinand, Jean Zabré, Zakaria Bouda, James Bouma Neya, Mahamadou Sawadogo, Oumar Traore, Michel Peterschmitt, Philippe Roumagnac
Cowpea, (Vigna unguiculata L. (Walp)) is an annual tropical grain legume. Often referred to as "poor man's meat", cowpea is one of the most important subsistence legumes cultivated in West Africa due to the high protein content of its seeds. However, African cowpea production can be seriously constrained by viral diseases that reduce yields. While twelve cowpea-infecting viruses have been reported from Africa, only three of these have so-far been reported from Burkina Faso. Here we use a virion-associated nucleic acids (VANA)-based metagenomics method to screen for the presence of cowpea viruses from plants collected from the three agro-climatic zones of Burkina Faso...
2016: PloS One
Jiashu Chu, Tianzhe Zhang, Weidong Chang, Dan Zhang, Saman Zulfiqar, Aigen Fu, Yaqi Hao
The effect of cropping system on the distribution of organic carbon (OC) and nitrogen (N) in soil aggregates has not been well addressed, which is important for understanding the sequestration of OC and N in agricultural soils. We analyzed the distribution of OC and N associated with soil aggregates in three unfertilized cropping systems in a 27-year field experiment: continuously cropped alfalfa, continuously cropped wheat and a legume-grain rotation. The objectives were to understand the effect of cropping system on the distribution of OC and N in aggregates and to examine the relationships between the changes in OC and N stocks in total soils and in aggregates...
2016: PloS One
Jolanta Cieśla, Magdalena Kopycińska, Małgorzata Łukowska, Andrzej Bieganowski, Monika Janczarek
Rhizobium leguminosarum bv. trifolii is a soil bacterium able to establish symbiosis with agriculturally important legumes, i.e., clover plants (Trifolium spp.). Cell surface properties of rhizobia play an essential role in their interaction with both biotic and abiotic surfaces. Physicochemical properties of bacterial cells are underpinned by the chemical composition of their envelope surrounding the cells, and depend on various environmental conditions. In this study, we performed a comprehensive characterization of cell surface properties of a wild-type R...
2016: PloS One
Lekha T Pazhamala, Gaurav Agarwal, Prasad Bajaj, Vinay Kumar, Akanksha Kulshreshtha, Rachit K Saxena, Rajeev K Varshney
Seed development is an important event in plant life cycle that has interested humankind since ages, especially in crops of economic importance. Pigeonpea is an important grain legume of the semi-arid tropics, used mainly for its protein rich seeds. In order to understand the transcriptional programming during the pod and seed development, RNA-seq data was generated from embryo sac from the day of anthesis (0 DAA), seed and pod wall (5, 10, 20 and 30 DAA) of pigeonpea variety "Asha" (ICPL 87119) using Illumina HiSeq 2500...
2016: PloS One
Hai Du, Feng Ran, Hong-Li Dong, Jing Wen, Jia-Na Li, Zhe Liang
Cytochrome P450 93 family (CYP93) belonging to the cytochrome P450 superfamily plays important roles in diverse plant processes. However, no previous studies have investigated the evolution and expression of the members of this family. In this study, we performed comprehensive genome-wide analysis to identify CYP93 genes in 60 green plants. In all, 214 CYP93 proteins were identified; they were specifically found in flowering plants and could be classified into ten subfamilies-CYP93A-K, with the last two being identified first...
2016: PloS One
Michael A Grillo, Stephane De Mita, Patricia V Burke, Kathryn L S Solórzano-Lowell, Katy D Heath
Bottom-up evolutionary approaches, including geographically-explicit population genomic analyses, have the power to reveal the mechanistic basis of adaptation. Here we conduct a population genomic analysis in the model legume, Medicago truncatula, in order to characterize population genetic structure and identify symbiosis-related genes showing evidence of spatially-variable selection. Using RAD-seq, we generated over 26,000 SNPs from 191 accessions from within three regions of the native range in Europe. Results from STRUCTURE analysis identify 5 distinct genetic clusters with divisions that separate east and west regions in the Mediterranean basin...
October 19, 2016: Evolution; International Journal of Organic Evolution
Vendula Bartáková, Katarína Kuricová, Filip Zlámal, Jana Bělobrádková, Katetřina Kaňková
PURPOSE: Gestational diabetes mellitus (GDM) represents the most frequent metabolic disorder in pregnancy. Since dietary intake plays an important role in obesity and type 2 diabetes development, it is likely to be for the susceptibility to GDM too. Food preferences, driving partly the diet composition, are changing during pregnancy. Taste and genetic variability in taste receptors is an important factor in determining food preferences. Aims of our study were (1) to characterize dietary habits of pregnant women and to find possible differences in food preferences between healthy pregnant women and those with GDM and (2) to ascertain possible association of several single nucleotide polymorphisms (SNPs) in taste receptor (TR) genes with GDM...
October 18, 2016: European Journal of Nutrition
Fernando Ibáñez, Luis Wall, Adriana Fabra
Agricultural practices contribute to climate change by releasing greenhouse gases such as nitrous oxide that are mainly derived from nitrogen fertilizers. Therefore, understanding biological nitrogen fixation in farming systems is beneficial to agriculture and environmental preservation. In this context, a better grasp of nitrogen-fixing systems and nitrogen-fixing bacteria-plant associations will contribute to the optimization of these biological processes. Legumes and actinorhizal plants can engage in a symbiotic interaction with nitrogen-fixing rhizobia or actinomycetes, resulting in the formation of specialized root nodules...
October 18, 2016: Journal of Experimental Botany
Panmela Soares, M Carmen Davó-Blanes, Suellen Secchi Martinelli, Leonardo Melgarejo, Suzi Barlleto Cavali
OBJECTIVE: To explore the effect of the school feeding program purchase criteria on the quantity, variety and origin of food products acquired for school meals in a municipality in Brazil. METHOD: Analysis of purchase lists for two years prior and two years after implementation of the purchase criteria (2010). The origin (family farms (FF)/other providers (OP)) and nutritional characteristics (recommended/controlled) of food products were studied, registering annual varieties (n) and daily quantities (kg/day); contrast of proportions was applied...
October 15, 2016: Appetite
John J B Anderson, David C Nieman
The Mediterranean diet is upheld in the 2015-2020 Dietary Guidelines as an example of an eating pattern that promotes good health, a healthy body weight, and disease prevention throughout the lifespan. The Mediterranean eating pattern is based on a variety of unprocessed plant foods including fruits, vegetables, whole grains, legumes, nuts, and seeds that are high in polyphenols. The majority of polyphenols arrive in the colon where bacteria degrade them into smaller phenolics that can be translocated via the portal vein to the liver...
October 14, 2016: Nutrients
Kumju Youn, Ji-Hyun Park, Jinhyuk Lee, Woo-Sik Jeong, Chi-Tang Ho, Mira Jun
Beta-site amyloid precursor protein cleaving enzyme 1 (BACE1) is the enzyme involved in the abnormal production of the amyloidogenic peptide Aβ, one of the major causes of histological hallmarks of Alzheimer's disease (AD). Thus, BACE1 represents a key target protein in the development of new potential target for the prevention and treatment of AD. In this study, in vitro anti-AD activity of biochanin A, a dietary isoflavone found in legumes and most notably red clover, were evaluated via human recombinant BACE1 inhibition assay, as well as enzyme kinetic and molecular docking predictions...
October 14, 2016: Nutrients
Vladimir Totev Valkov, Maurizio Chiurazzi
The establishment of legumes crops with phenotypic traits that favour their persistence and competitiveness in mixed swards is a pressing task in sustainable agriculture. However, to fully exploit the potential benefits of introducing pasture-based grass-legume systems, an increased scientific knowledge of legume agronomy for screening of favourable traits is needed. We exploited a short-cut phenotypic screening as a preliminary step to characterize the growth capacity of three different Lotus corniculatus cvs cultivated in different nutritional conditions as well as the evaluation of their nodulation capacities...
October 13, 2016: Plants (Basel, Switzerland)
Johanna Freese, Mihaela Pricop-Jeckstadt, Thorsten Heuer, Matthias Clemens, Heiner Boeing, Sven Knüppel, Ute Nöthlings
Next to the information on frequency of food consumption, information on consumption-day amounts is important to estimate usual dietary intake in epidemiological studies. Our objective was to identify determinants of consumption-day amounts to derive person-specific standard consumption-day amounts applicable for the estimation of usual dietary intake using separate sources to assesss information on consumption probability and amount consumed. 24-h Dietary recall data from the German National Nutrition Survey II (n = 8522; aged 20-80 years) conducted between 2005 and 2007 were analysed for determinants of consumption-day amounts of thirty-eight food and beverage groups using LASSO variable selection for linear mixed-effects models...
2016: Journal of Nutritional Science
Hari Bhupathi Krishnan, Alaa Alaswad, Nathan Wayne Oehrle, Jason Gillman
Legumes form symbiotic association with soil-dwelling bacteria collectively called rhizobia. This association results in the formation of nodules, unique plant-derived organs, within which the rhizobia are housed. Rhizobia encoded-nitrogenase facilitates the conversation of atmospheric nitrogen into ammonia, which is utilized by the plants for its growth and development. Fatty acids have been shown to play an important role in root nodule symbiosis. In this study, we have investigated the role of Stearoyl-Acyl Carrier Protein Desaturase- isoform C (SACPD-C), a soybean enzyme that catalyzes the conversion of stearic acid into oleic acid, which is expressed in developing seeds and in nitrogen fixing nodules...
October 17, 2016: Molecular Plant-microbe Interactions: MPMI
Harald Marx, Catherine E Minogue, Dhileepkumar Jayaraman, Alicia L Richards, Nicholas W Kwiecien, Alireza F Sihapirani, Shanmugam Rajasekar, Junko Maeda, Kevin Garcia, Angel R Del Valle-Echevarria, Jeremy D Volkening, Michael S Westphall, Sushmita Roy, Michael R Sussman, Jean-Michel Ané, Joshua J Coon
Legumes are essential components of agricultural systems because they enrich the soil in nitrogen and require little environmentally deleterious fertilizers. A complex symbiotic association between legumes and nitrogen-fixing soil bacteria called rhizobia culminates in the development of root nodules, where rhizobia fix atmospheric nitrogen and transfer it to their plant host. Here we describe a quantitative proteomic atlas of the model legume Medicago truncatula and its rhizobial symbiont Sinorhizobium meliloti, which includes more than 23,000 proteins, 20,000 phosphorylation sites, and 700 lysine acetylation sites...
October 17, 2016: Nature Biotechnology
Maoulida Toueni, Cécile Ben, Aurélie Le Ru, Laurent Gentzbittel, Martina Rickauer
Resistance mechanisms to Verticillium wilt are well-studied in tomato, cotton, and Arabidopsis, but much less in legume plants. Because legume plants establish nitrogen-fixing symbioses in their roots, resistance to root-attacking pathogens merits particular attention. The interaction between the soil-borne pathogen Verticillium alfalfae and the model legume Medicago truncatula was investigated using a resistant (A17) and a susceptible (F83005.5) line. As shown by histological analyses, colonization by the pathogen was initiated similarly in both lines...
2016: Frontiers in Plant Science
Xianwen Shang, David Scott, Allison Hodge, Dallas R English, Graham G Giles, Peter R Ebeling, Kerrie M Sanders
BACKGROUND & AIMS: Limited data are available on the relationship of protein from different food sources with metabolic syndrome (MetS) or changes in its components. We aimed to prospectively examine the relationships of protein intakes from animal, plant and major food groups with incident MetS and changes in its components. METHODS: 5324 participants from the Melbourne Collaborative Cohort Study, who were free of cardiovascular disease, cancer, hyperlipidaemia, elevated plasma glucose, elevated blood pressure and elevated waist circumference (WC) at baseline (1990-1994), were included in the present investigation...
October 1, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Andrew G Palmer, Arijit Mukherjee, Danielle M Stacy, Stephen Lazar, Jean-Michel Ané, Helen E Blackwell
Density-dependent phenotypic switching in bacteria, the phenomenon of quorum sensing (QS), is instrumental in many pathogenic and mutualistic behaviors. In many Gram-negative bacteria, QS is regulated by N-acylated-l-homoserine lactones (AHLs). Synthetic analogues of these AHLs hold significant promise for regulating QS at the host-symbiont interface. Regulation depends on refined temporal and spatial models of quorums under native conditions. Critical to this is an understanding of how the presence of these signals may affect a prospective host...
October 14, 2016: Chembiochem: a European Journal of Chemical Biology
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