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https://www.readbyqxmd.com/read/28623868/ozone-induced-foliar-damage-and-release-of-stress-volatiles-is-highly-dependent-on-stomatal-openness-and-priming-by-low-level-ozone-exposure-in-phaseolus-vulgaris
#1
Shuai Li, Peter C Harley, Ülo Niinemets
Acute ozone exposure triggers major emissions of volatile organic compounds (VOC), but quantitatively, it is unclear how different ozone doses alter the start and the total amount of these emissions, and the induction rate of different stress volatiles. It is also unclear whether priming (i.e., pre-exposure to lower O3 concentrations) can modify the magnitude and kinetics of volatile emissions. We investigated photosynthetic characteristics and VOC emissions in Phaseolus vulgaris following acute ozone exposure (600 nmol mol(-1) for 30 min) under illumination and in darkness and after priming with 200 nmol mol(-1) O3 for 30 min...
June 17, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28619052/heterologous-expression-of-an-%C3%AE-amylase-inhibitor-from-common-bean-phaseolus-vulgaris-in-kluyveromyces-lactis-and-saccharomyces-cerevisiae
#2
Stephanie Brain-Isasi, Alejandro Álvarez-Lueje, Thomas Joseph V Higgins
BACKGROUND: Phaseolamin or α-amylase inhibitor 1 (αAI) is a glycoprotein from common beans (Phaseolus vulgaris L.) that inhibits some insect and mammalian α-amylases. Several clinical studies support the beneficial use of bean αAI for control of diabetes and obesity. Commercial extracts of P. vulgaris are available but their efficacy is still under question, mainly because some of these extracts contain antinutritional impurities naturally present in bean seeds and also exhibit a lower specific activity αAI...
June 15, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28585939/linking-rhizosphere-microbiome-composition-of-wild-and-domesticated-phaseolus-vulgaris-to-genotypic-and-root-phenotypic-traits
#3
Juan E Pérez-Jaramillo, Víctor J Carrión, Mirte Bosse, Luiz F V Ferrão, Mattias de Hollander, Antonio A F Garcia, Camilo A Ramírez, Rodrigo Mendes, Jos M Raaijmakers
Plant domestication was a pivotal accomplishment in human history, but also led to a reduction in genetic diversity of crop species compared to their wild ancestors. How this reduced genetic diversity affected plant-microbe interactions belowground is largely unknown. Here, we investigated the genetic relatedness, root phenotypic traits and rhizobacterial community composition of modern and wild accessions of common bean (Phaseolus vulgaris) grown in agricultural soil from the highlands of Colombia, one of the centers of common bean diversification...
June 6, 2017: ISME Journal
https://www.readbyqxmd.com/read/28585693/influences-of-soaking-temperature-and-storage-conditions-on-hardening-of-soybeans-glycine-max-and-red-kidney-beans-phaseolus-vulgaris
#4
Takako Koriyama, Yoko Sato, Kumiko Iijima, Midori Kasai
The influences of soaking treatment and storage conditions on the softening of cooked beans, namely, soybeans and red kidney beans, were investigated. It was revealed that the softening of fresh soybeans and fresh red kidney beans was suppressed during subsequent boiling after soaking treatment at 50 and 60 °C. Furthermore, in treated aged soybeans and red kidney beans that were subjected to storage at 30 °C/75% relative humidity for 6 mo and soaking treatment at 50 to 60 °C, the hardness during cooking was further amplified...
June 6, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28585253/prediction-of-canned-black-bean-texture-phaseolus-vulgaris-l-from-intact-dry-seeds-using-visible-near-infrared-spectroscopy-and-hyperspectral-imaging-data
#5
Fernando A Mendoza, Karen A Cichy, Christy Sprague, Amanda Goffnett, Renfu Lu, James D Kelly
BACKGROUND: Texture is a major quality parameter for the acceptability of canned whole beans. Prior knowledge of this quality trait before processing would be useful to guide variety development by bean breeders and optimize handling protocols by processors. The objective of this study was to evaluate and compare the predictive power of visible and near-infrared reflectance spectroscopy (Vis/NIRS, 400-2,498 nm) and hyperspectral imaging (HYPERS, 400-1,000 nm) techniques for predicting texture of canned black beans from intact dry seeds...
June 5, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28559599/the-development-of-low-glycemic-index-cookie-bars-from-foxtail-millet-setaria-italica-arrowroot-maranta-arundinacea-flour-and-kidney-beans-phaseolus-vulgaris
#6
Lily Arsanti Lestari, Emy Huriyati, Yustinus Marsono
Wholegrain foods are becoming increasingly popular as a high fiber dietary supplement recommended for people with diabetes. In Indonesia, the incidence of diabetes mellitus has almost doubled recently and poses a significant health risk with the high prevalence of obesity and cardiovascular diseases. The present research aimed to develop cookie bars from foxtail millet, arrowroot flour, and kidney beans. The physical, chemical, and sensory properties were evaluated by selecting the best formula to test the glycemic index...
May 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28558431/physiological-and-biochemical-effects-of-nanoparticulate-copper-bulk-copper-copper-chloride-and-kinetin-in-kidney-bean-phaseolus-vulgaris-plants
#7
Suzanne A Apodaca, Wenjuan Tan, Osvaldo E Dominguez, Jose A Hernandez-Viezcas, Jose R Peralta-Videa, Jorge L Gardea-Torresdey
It is essential to understand the interactions of engineered nanoparticles (ENPs) with additives used in agriculture and their impacts on crop plants. In this study, kidney bean (Phaseolus vulgaris) plants were grown in potting soil amended with either nano copper (nCu), bulk copper (bCu), or copper chloride (CuCl2) at 0, 50, and 100mg/kg, combined with 0, 10, or 100μM of kinetin (KN). Plant growth, Cu, micro and macroelement concentrations, chlorophyll content, and enzymatic activity were examined in 55-day old plants...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28555431/isolation-and-characterization-of-phosphate-solubilizing-bacteria-from-western-indian-himalayan-soils
#8
Supriya Tomer, Deep Chandra Suyal, Anjana Shukla, Jyoti Rajwar, Amit Yadav, Yogesh Shouche, Reeta Goel
Previous studies confirmed the existence of diversified microbial flora in the rhizosphere of Himalayan Red Kidney Bean (RKB) (Phaseolus vulgaris L.). Therefore, fifteen different temperate and subtropical regions of Western Indian Himalaya (WIH) were explored for the isolation of RKB rhizosphere-associated Phosphorus (P) solubilizing bacteria. On the basis of qPCR analysis, three soils, i.e., Munsyari, Kandakhal and Nainital soils were selected for the isolation of P solubilizers. Among 133 isolates, three bacteria viz...
June 2017: 3 Biotech
https://www.readbyqxmd.com/read/28545577/proanthocyanidin-accumulation-and-transcriptional-responses-in-the-seed-coat-of-cranberry-beans-phaseolus-vulgaris-l-with-different-susceptibility-to-postharvest-darkening
#9
José A Freixas Coutin, Seth Munholland, Anjali Silva, Sanjeena Subedi, Lewis Lukens, William L Crosby, K Peter Pauls, Gale G Bozzo
BACKGROUND: Edible dry beans (Phaseolus vulgaris L.) that darken during postharvest storage are graded lower and are less marketable than their non-darkened counterparts. Seed coat darkening in susceptible genotypes is dependent upon the availability of proanthocyanidins, and their subsequent oxidation to reactive quinones. Mature cranberry beans lacking this postharvest darkening trait tend to be proanthocyanidin-deficient, although the underlying molecular and biochemical determinants for this metabolic phenomenon are unknown...
May 25, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28545258/marker-assisted-molecular-profiling-deletion-mutant-analysis-and-rna-seq-reveal-a-disease-resistance-cluster-associated-with-uromyces-appendiculatus-infection-in-common-bean-phaseolus-vulgaris-l
#10
Antonette R Todd, Nicole Donofrio, Venkateswara R Sripathi, Phillip E McClean, Rian K Lee, Marcial Pastor-Corrales, Venu Kal Kalavacharla
Common bean (Phaseolus vulgaris L.) is an important legume, useful for its high protein and dietary fiber. The fungal pathogen Uromyces appendiculatus (Pers.) Unger can cause major loss in susceptible varieties of the common bean. The Ur-3 locus provides race specific resistance to virulent strains or races of the bean rust pathogen along with Crg, (Complements resistance gene), which is required for Ur-3-mediated rust resistance. In this study, we inoculated two common bean genotypes (resistant "Sierra" and susceptible crg) with rust race 53 of U...
May 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28542624/pathogenic-seedborne-viruses-are-rare-but-phaseolus-vulgaris-endornaviruses-are-common-in-bean-varieties-grown-in-nicaragua-and-tanzania
#11
Noora Nordenstedt, Delfia Marcenaro, Daudi Chilagane, Beatrice Mwaipopo, Minna-Liisa Rajamäki, Susan Nchimbi-Msolla, Paul J R Njau, Deusdedith R Mbanzibwa, Jari P T Valkonen
Common bean (Phaseolus vulgaris) is an annual grain legume that was domesticated in Mesoamerica (Central America) and the Andes. It is currently grown widely also on other continents including Africa. We surveyed seedborne viruses in new common bean varieties introduced to Nicaragua (Central America) and in landraces and improved varieties grown in Tanzania (eastern Africa). Bean seeds, harvested from Nicaragua and Tanzania, were grown in insect-controlled greenhouse or screenhouse, respectively, to obtain leaf material for virus testing...
2017: PloS One
https://www.readbyqxmd.com/read/28536592/trait-associations-in-diversity-panels-of-the-two-common-bean-phaseolus-vulgaris-l-gene-pools-grown-under-well-watered-and-water-stress-conditions
#12
Asrat Asfaw, Daniel Ambachew, Trushar Shah, Matthew W Blair
Common beans are a warm-season, food legume cultivated in areas prone to water limitation throughout their growing season. This study assessed the magnitude and pattern of trait associations for a total of 202 common bean genotypes divided into panels of 81 Andean and 121 Mesoamerican gene pool accessions grown under contrasting treatments of well-watered, non-stress, and water-limited, terminal drought-stress conditions. Linear correlation, complex path coefficient, and genetic divergence analyses were used to dissect the relationship dynamics between traits and the relative contribution of adaptive traits to differentiation among gene pools and genotypes based on drought stress...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28536585/exploring-niches-for-short-season-grain-legumes-in-semi-arid-eastern-kenya-coping-with-the-impacts-of-climate-variability
#13
Anne Sennhenn, Donald M G Njarui, Brigitte L Maass, Anthony M Whitbread
Climate variability is the major risk to agricultural production in semi-arid agroecosystems and the key challenge to sustain farm livelihoods for the 500 million people who inhabit these areas worldwide. Short-season grain legumes have great potential to address this challenge and help to design more resilient and productive farming systems. However, grain legumes display a great diversity and differ widely in growth, development, and resource use efficiency. Three contrasting short season grain legumes common bean (Phaseolus vulgaris L...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28533789/beans-phaseolus-ssp-as-a-model-for-understanding-crop-evolution
#14
REVIEW
Elena Bitocchi, Domenico Rau, Elisa Bellucci, Monica Rodriguez, Maria L Murgia, Tania Gioia, Debora Santo, Laura Nanni, Giovanna Attene, Roberto Papa
Here, we aim to provide a comprehensive and up-to-date overview of the most significant outcomes in the literature regarding the origin of Phaseolus genus, the geographical distribution of the wild species, the domestication process, and the wide spread out of the centers of origin. Phaseolus can be considered as a unique model for the study of crop evolution, and in particular, for an understanding of the convergent phenotypic evolution that occurred under domestication. The almost unique situation that characterizes the Phaseolus genus is that five of its ∼70 species have been domesticated (i...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28523009/transgenerational-defense-priming-for-crop-protection-against-plant-pathogens-a-hypothesis
#15
Gabriela Ramírez-Carrasco, Keren Martínez-Aguilar, Raúl Alvarez-Venegas
Throughout evolution, plants have developed diverse mechanisms of defense that "prime" their innate immune system for more robust and active induction of defense responses against different types of stress. Nowadays there are numerous reports concerning the molecular bases of priming, as well as the generational priming mechanisms. Information concerning transgenerational priming, however, remains deficient. Some reports have indicated, nonetheless, that the priming status of a plant can be inherited to its offspring...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28499469/phylogenetically-diverse-groups-of-bradyrhizobium-isolated-from-nodules-of-tree-and-annual-legume-species-growing-in-ethiopia
#16
Tulu Degefu, Endalkachew Wolde-Meskel, Kedir Woliy, Åsa Frostegård
Bacteria belonging to the genus Bradyrhizobium nodulate various leguminous woody plants and herbs, including economically important crops such as soybean, peanut and cowpea. Here we analysed 39 Bradyrhizobium strains originating from root nodules of the leguminous trees and crops Acacia saligna, Faidherbia albida, Erythrina brucei, Albizia gummifera, Millettia ferruginea, Cajanus cajan, Vigna unguiculata and Phaseolus vulgaris, growing in southern Ethiopia. Multilocus sequence analyses (MLSA) of the 16S rRNA, glnII, recA, gyrB and dnaK genes and the ITS region grouped the test strains into seven well-supported genospecies (I-VII), six of which occupied distinct positions excluding all hitherto defined Bradyrhizobium species...
April 26, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28488698/the-rhizobium-tropici-ciat-899-nodd2-protein-regulates-the-production-of-nod-factors-under-salt-stress-in-a-flavonoid-independent-manner
#17
Pablo Del Cerro, Francisco Pérez-Montaño, Antonio Gil-Serrano, Francisco Javier López-Baena, Manuel Megías, Mariangela Hungria, Francisco Javier Ollero
In the symbiotic associations between rhizobia and legumes, NodD promotes the expression of the nodulation genes in the presence of appropriate flavonoids. This set of genes is implied in the synthesis of Nodulation factors, which are responsible for launching the nodulation process. Rhizobium tropici CIAT 899 is the most successful symbiont of Phaseolus vulgaris and can nodulate a variety of legumes. This strain produces Nodulation factors under abiotic stress such as acidity or high concentration of salt...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28463779/isolation-and-structural-characterization-of-glucosylceramides-from-ethiopian-plants-by-lc-apci-ms-ms
#18
Efrem N Tessema, Tsige Gebre-Mariam, Christian E H Schmelzer, Reinhard H H Neubert
Chronic skin conditions such as atopic dermatitis, psoriasis and aged skin are characterized by defective skin barrier and dryness which are associated with reduced levels of skin ceramides (CERs). The beneficial effects of plant-derived CERs for skin hydration and skin barrier recovery have been shown in several studies. Although plenty of glucosylceramide (GlcCER)-based dietary supplements meant for skin barrier improvement have been marketed, there are limited commercial sources of plant GlcCERs. In an attempt to explore alternative GlcCER sources, a reversed phase LC-MS/MS method with atmospheric pressure chemical ionization (APCI) interface was developed for separation and structural identification of GlcCERs isolated from three plants...
April 24, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28452476/impact-of-processing-on-the-protein-quality-of-pinto-bean-phaseolus-vulgaris-and-buckwheat-fagopyrum-esculentum-moench-flours-and-blends-as-determined-by-in-vitro-and-in-vivo-methodologies
#19
Matthew G Nosworthy, Adam Franczyk, Anna Zimoch-Korzycka, Paulyn Appah, Alphonsus Utioh, Jason Neufeld, James D House
Blending of protein sources can increase protein quality by compensating for limiting amino acids present in individual sources, whereas processing grain flours by extrusion or baking can also alter protein quality. To determine the effect of baking and extrusion on the protein quality of blended flours from buckwheat and pinto beans, a rodent bioassay was performed and compared to an in vitro method of protein quality determination. Overall, extruded products had higher protein efficiency ratio values, increased digestibility, and greater protein digestibility corrected amino acid score (PDCAAS) values than baked products, with the extruded buckwheat/pinto blend having the greatest PDCAAS value of the experimental diets investigated...
May 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28437139/protection-against-common-bean-rust-conferred-by-a-gene-silencing-method
#20
Bret Cooper, Kimberly B Campbell
Rust disease of the dry bean plant, Phaseolus vulgaris, is caused by the fungus Uromyces appendiculatus. The fungus acquires its nutrients and energy from bean leaves using a specialized cell structure, the haustorium, through which it secretes effector proteins that contribute to pathogenicity by defeating the plant immune system. Candidate effectors have been identified by DNA sequencing and motif analysis, and some candidates have been observed in infected leaves by mass spectrometry. To assess their roles in pathogenicity, we have inserted small fragments of genes for five candidates into bean pod mottle virus...
April 24, 2017: Phytopathology
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