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https://www.readbyqxmd.com/read/28915390/navy-and-black-bean-supplementation-primes-the-colonic-mucosal-microenvironment-to-improve-gut-health
#1
Jennifer M Monk, Dion Lepp, Wenqing Wu, K Peter Pauls, Lindsay E Robinson, Krista A Power
Common beans (Phaseolus vulgaris L.) are enriched in non-digestible fermentable carbohydrates and phenolic compounds that can modulate the colonic microenvironment (microbiota and host epithelial barrier) to improve gut health. In a comprehensive assessment of the impact of two commonly consumed bean varieties (differing in levels and types of phenolic compounds) within the colonic microenvironment, C57Bl/6 mice were fed diets supplemented with 20% cooked navy bean (NB) or black bean (BB) flours or an isocaloric basal diet control (BD) for 3 weeks...
August 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28898802/nucleases-activities-during-french-bean-leaf-aging-and-dark-induced-senescence
#2
Rocío Lambert, Francisco Antonio Quiles, Gregorio Gálvez-Valdivieso, Pedro Piedras
During leaf senescence resources are managed, with nutrients mobilized from older leaves to new sink tissues. The latter implies a dilemma in terms of resource utilization, the leaf senescence should increase seed quality whereas delay in senescence should improve the seed yield. Increased knowledge about nutrient recycling during leaf senescence could lead to advances in agriculture and improved seed quality. Macromolecules mobilized during leaf senescence include proteins and nucleic acids. Although nucleic acids have been less well studied than protein degradation, they are possible reservoirs of nitrogen and phosphorous...
September 7, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28895521/rhizobium-esperanzae-sp-nov-a-n2-fixing-root-symbiont-of-phaseolus-vulgaris-from-mexican-soils
#3
Andrey Barbosa Cordeiro, Renan Augusto Ribeiro, Luisa Caroline Ferraz Helene, Mariangela Hungria
Common bean (Phaseolus vulgaris L.) is the most important legume consumed worldwide; its genetic origins lie in the Mesoamerican (main centre) and Andean regions. It is promiscuous in establishing root-nodule symbioses; however, in the centres of origin/domestication, the predominant association is with Rhizobium etli. We have previously identified a new lineage (PEL-3) comprising three strains (CNPSo 661, CNPSo 666 and CNPSo 668T) isolated from root nodules of common bean in Mexico, and that have now been analysed in more detail...
September 12, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28891931/beneficial-effects-of-common-bean-on-adiposity-and-lipid-metabolism
#4
Henry J Thompson, John N McGinley, Elizabeth S Neil, Mark A Brick
In developed countries which are at the epicenter of the obesity pandemic, pulse crop consumption is well below recommended levels. In a recent systematic review and meta-analysis of 21 randomized controlled clinical trials, pulse consumption was associated with improved weight control and reduced adiposity, although the underlying mechanisms were a matter of speculation. Common bean (Phaseolus vulgaris L.) is the most widely consumed pulse crop and was the focus of this investigation. Using outbred genetic models of dietary induced obesity resistance and of dietary induced obesity sensitivity in the rat, the impact of bean consumption was investigated on the efficiency with which consumed food was converted to body mass (food efficiency ratio), body fat accumulation, adipocyte morphometrics, and patterns of protein expression associated with lipid metabolism...
September 9, 2017: Nutrients
https://www.readbyqxmd.com/read/28873712/identification-of-potential-inhibitory-peptides-of-enzymes-involved-in-the-metabolic-syndrome-obtained-by-simulated-gastrointestinal-digestion-of-fermented-bean-phaseolus-vulgaris-l-seeds
#5
Anna Jakubczyk, Monika Karaś, Urszula Złotek, Urszula Szymanowska
The aim of this study was to determine the conditions of bean fermentation carried out by Lactobacillus plantarum to obtain biologically active peptide fractions after in vitro digestion. The results suggest that optimum process conditions should be selected according to the specific activity of peptides. Only a fraction with a molecular mass of 3.5-7kDa obtained after fermentation at 22°C for 3h had α-amylase inhibitory activity. The optimal fermentation conditions for bean seeds to release peptide fractions with a molecular mass of 3...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28873692/bioaccessibility-and-antioxidant-activity-of-free-phenolic-compounds-and-oligosaccharides-from-corn-zea-mays-l-and-common-bean-phaseolus-vulgaris-l-chips-during-in-vitro-gastrointestinal-digestion-and-simulated-colonic-fermentation
#6
I Luzardo-Ocampo, R Campos-Vega, M Gaytán-Martínez, R Preciado-Ortiz, S Mendoza, G Loarca-Piña
Corn (Zea mays L.) and common beans (Phaseolus vulgaris L.) are alternative suitable ingredients for snacks, because of their content of bioactive compounds such as phenolic compounds (PC) and oligosaccharides (OS). However, there is no information about the transformation of these compounds associated with food matrix during gastrointestinal digestion. Therefore, the objective of this work was to simulate the whole digestion process (mouth to colon) to estimate bioaccessibility and small intestine permeability of free PC and OS, and the antioxidant capacity of free PC...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28870293/characterization-of-multifarious-plant-growth-promoting-traits-of-rhizobacterial-strain-ar6-under-chromium-vi-stress
#7
Chinnannan Karthik, Namasivayam Elangovan, Thamilarasan Senthil Kumar, Subramani Govindharaju, Selvaraj Barathi, Mohammad Oves, Padikasan Indra Arulselvi
Plant growth promoting rhizobacteria (PGPR) can increase the host plant tolerance to cope up with heavy metal induced stress, which can be improve plant growth. Thus, the present study was designed to isolate Cr(VI) tolerant PGPR strain and evaluate its plant growth promoting (PGP) properties under Cr(VI) stress. Rhizobacterial strain AR6 was isolated from the rhizosphere of Phaseolus vulgaris L. and showed 99% homology with Cellulosimicrobium funkei (KM032184) in BLASTn analysis. Strain AR6 was specifically selected due to its high Cr(VI) tolerance (1200μg/ml) and substantial production of PGP substances...
November 2017: Microbiological Research
https://www.readbyqxmd.com/read/28868222/linkage-disequilibrium-based-association-mapping-of-micronutrients-in-common-bean-phaseolus-vulgaris-l-a-collection-of-jammu-kashmir-india
#8
Reetika Mahajan, Sajad Majeed Zargar, R K Salgotra, Ravinder Singh, Aijaz Ahmad Wani, Muslima Nazir, Parvaze A Sofi
Micronutrient deficiencies are of major concern in human health and plant metabolism. Iron (Fe), zinc (Zn), iodine (I), selenium (Se) are regarded as micronutrients having major impact on human health. More than 50% of populations mainly from developing countries are suffering from one or the other micronutrient malnutrition. Ensuring adequate supply of these micronutrients through diet consisting of staple foods, such as common bean (Phaseolus vulgaris L.) is must. Here, we evaluated common bean genotypes that were collected from various regions of Jammu and Kashmir, India for Fe, Zn and protein contents and used SSRs to identify the markers associated with these traits...
October 2017: 3 Biotech
https://www.readbyqxmd.com/read/28861641/medicinal-plant-extracts-modulate-respiratory-burst-and-proliferation-activity-of-rainbow-trout-oncorhynchus-mykiss-leukocytes
#9
Chiara Bulfon, Marco Galeotti, Donatella Volpatti
The present study was designed to investigate the immunomodulatory effects of Aloe vera, Curcuma longa, Echinacea purpurea, Lavandula officinalis, Origanum vulgare, Panax ginseng, and Rheum officinale extracts on leukocytes purified from rainbow trout (Oncorhynchus mykiss) head kidney. The cells were cultured in a medium containing increasing doses of extracts; afterwards, they were tested for reactive oxygen species production after stimulation with phorbol myristate acetate (PMA) and proliferation in the presence or absence of phytohemagglutinin from Phaseolus vulgaris (PHA-P)...
September 1, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28861050/competition-experiments-for-legume-infection-identify-burkholderia-phymatum-as-a-highly-competitive-%C3%AE-rhizobium
#10
Martina Lardi, Samanta Bolzan de Campos, Gabriela Purtschert, Leo Eberl, Gabriella Pessi
Members of the genus Burkholderia (β-proteobacteria) have only recently been shown to be able to establish a nitrogen-fixing symbiosis with several legumes, which is why they are also referred to as β-rhizobia. Therefore, very little is known about the competitiveness of these species to nodulate different legume host plants. In this study, we tested the competitiveness of several Burkholderia type strains (B. diazotrophica, B. mimosarum, B. phymatum, B. sabiae, B. symbiotica and B. tuberum) to nodulate four legumes (Phaseolus vulgaris, Macroptilium atropurpureum, Vigna unguiculata and Mimosa pudica) under our closely defined growth conditions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28860263/genome-sequence-of-rhizobium-esperanzae-type-strain-cnpso-668-isolated-from-phaseolus-vulgaris-nodules-in-mexico
#11
Luisa Caroline Ferraz Helene, Renan Augusto Ribeiro, Mariangela Hungria
Rhizobium esperanzae CNPSo 668(T) is a nitrogen-fixing symbiont of Phaseolus vulgaris isolated from Mexican soils. Its genome is estimated at 6,294,057 bp, with 6,219 coding sequences (CDSs) showing higher similarity (92.9%) with Rhizobium etli Three copies of the regulatory nodD, in addition to other nodulation genes, should define its host specificity.
August 31, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28855829/detection-of-new-viruses-in-alfalfa-weeds-and-cultivated-plants-growing-adjacent-to-alfalfa-fields-in-saudi-arabia
#12
I M Al-Shahwan, O A Abdalla, M A Al-Saleh, M A Amer
A total of 1368 symptomatic plant samples showing different virus-like symptoms such as mottling, chlorosis, mosaic, yellow mosaic, vein clearing and stunting were collected from alfalfa, weed and cultivated plant species growing in vicinity of alfalfa fields in five principal regions of alfalfa production in Saudi Arabia. DAS-ELISA test indicated occurrence of 11 different viruses in these samples, 10 of which were detected for the first time in Saudi Arabia. Eighty percent of the alfalfa samples and 97.5% of the weed and cultivated plants samples were found to be infected with one or more of these viruses...
September 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28855827/expression-analysis-and-biochemical-characterization-of-beans-plants-biofortificated-with-zinc
#13
Sandra Pérez Álvarez, Juan Pedro Sida-Arrerola, Esteban Sánchez Chávez, Eduardo Fidel Héctor Ardisana
The present work was carried out in greenhouse conditions at the Centro de Investigación en Alimentación y Desarrollo AC in Delicias, Chihuahua, México. Four different concentrations (0, 25, 50 and 100 μM L(-1)) of Zn chelate and sulfate were used to study the antioxidant system of Phaseolus vulgaris L. Three genes related with antioxidant activity [superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and catalase (CAT)] were selected for expression study. Results showed that when Zn chelate at 50 and 100 μM L(-1) were applied SOD was repressed and GSH-Px expression was low at 0, 25 and 100 μM L(-1) while with sulfate form SOD expression was low and GSH-Px expression was strong in all treatment...
September 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28854875/xanthomonas-adaptation-to-common-bean-is-associated-with-horizontal-transfers-of-genes-encoding-tal-effectors
#14
Mylène Ruh, Martial Briand, Sophie Bonneau, Marie-Agnès Jacques, Nicolas W G Chen
BACKGROUND: Common bacterial blight is a devastating bacterial disease of common bean (Phaseolus vulgaris) caused by Xanthomonas citri pv. fuscans and Xanthomonas phaseoli pv. phaseoli. These phylogenetically distant strains are able to cause similar symptoms on common bean, suggesting that they have acquired common genetic determinants of adaptation to common bean. Transcription Activator-Like (TAL) effectors are bacterial type III effectors that are able to induce the expression of host genes to promote infection or resistance...
August 30, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28854212/condensation-patterns-of-prophase-prometaphase-chromosome-are-correlated-with-h4k5-histone-acetylation-and-genomic-dna-contents-in-plants
#15
Lidiane Feitoza, Lucas Costa, Marcelo Guerra
Mitotic prophase chromosome condensation plays an essential role in nuclear division being therefore regulated by highly conserved mechanisms. However, degrees of chromatin condensation in prophase-prometaphase cells may vary along the chromosomes resulting in specific condensation patterns. We examined different condensation patterns (CPs) of prophase and prometaphase chromosomes and investigated their relationship with genome size and distribution of histone H4 acetylated at lysine 5 (H4K5ac) in 17 plant species...
2017: PloS One
https://www.readbyqxmd.com/read/28852859/neuronal-connections-of-the-central-amygdalar-nucleus-with-refeeding-activated-brain-areas-in-rats
#16
Györgyi Zséli, Barbara Vida, Anett Szilvásy-Szabó, Mónika Tóth, Ronald M Lechan, Csaba Fekete
Following fasting, satiety is accompanied by neuronal activation in brain areas including the central amygdalar nucleus (CEA). Since CEA is known to inhibit food intake, we hypothesized that CEA contributes to the termination of meal during refeeding. To better understand the organization of this satiety-related circuit, the interconnections of the CEA with refeeding-activated neuronal groups were elucidated using retrograde (cholera toxin-β subunit, CTB) and anterograde (phaseolus vulgaris leucoagglutinin, PHA-L) tracers in male rats...
August 29, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28842033/analysis-of-multiple-mass-spectrometry-images-from-different-phaseolus-vulgaris-samples-by-multivariate-curve-resolution
#17
Carmen Bedia, Romà Tauler, Joaquim Jaumot
A new procedure based on the simultaneous analysis of multiple mass spectrometry images using multivariate curve resolution is presented in this work. Advantages of the application of the proposed approach are shown for three cases of plant studies demonstrating its potential usefulness in metabolomics studies, particularly in lipidomics. In the first dataset, a three stage germination time course process of green bean seeds is presented. The second example is a dose-response study where the stem bases of a non-exposed plant are compared to those of plants exposed to increasing concentrations of the pesticide chlorpyrifos...
December 1, 2017: Talanta
https://www.readbyqxmd.com/read/28840434/robust-rnai-mediated-resistance-to-infection-of-seven-potyvirids-in-soybean-expressing-an-intron-hairpin-nib-rna
#18
Xiangdong Yang, Lu Niu, Wei Zhang, Hongli He, Jing Yang, Guojie Xing, Dongquan Guo, Qian Du, Xueyan Qian, Yao Yao, Qiyun Li, Yingshan Dong
Viral pathogens, such as soybean mosaic virus (SMV), are a major constraint in soybean production and often cause significant yield loss and quality deterioration. Engineering resistance by RNAi-mediated gene silencing is a powerful strategy for controlling viral diseases. In this study, a 248-bp inverted repeat of the replicase (nuclear inclusion b, NIb) gene was isolated from the SMV SC3 strain, driven by the leaf-specific rbcS2 promoter from Phaseolus vulgaris, and introduced into soybean. The transgenic lines had significantly lower average disease indices (ranging from 2...
August 24, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28839170/cle-peptide-encoding-gene-families-in-medicago-truncatula-and-lotus-japonicus-compared-with-those-of-soybean-common-bean-and-arabidopsis
#19
April H Hastwell, Thomas C de Bang, Peter M Gresshoff, Brett J Ferguson
CLE peptide hormones are critical regulators of many cell proliferation and differentiation mechanisms in plants. These 12-13 amino acid glycosylated peptides play vital roles in a diverse range of plant tissues, including the shoot, root and vasculature. CLE peptides are also involved in controlling legume nodulation. Here, the entire family of CLE peptide-encoding genes was identified in Medicago truncatula (52) and Lotus japonicus (53), including pseudogenes and non-functional sequences that were identified...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28830361/identification-and-analysis-of-alternative-splicing-events-in-phaseolus-vulgaris-and-glycine-max
#20
Luis P Iñiguez, Mario Ramírez, William B Barbazuk, Georgina Hernández
BACKGROUND: The vast diversification of proteins in eukaryotic cells has been related with multiple transcript isoforms from a single gene that result in alternative splicing (AS) of primary transcripts. Analysis of RNA sequencing data from expressed sequence tags and next generation RNA sequencing has been crucial for AS identification and genome-wide AS studies. For the identification of AS events from the related legume species Phaseolus vulgaris and Glycine max, 157 and 88 publicly available RNA-seq libraries, respectively, were analyzed...
August 22, 2017: BMC Genomics
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