Genome sequence of Pantoea sp. strain 1.19, isolated from rice rhizosphere, with the capacity to promote growth of legumes and nonlegumes

Pantoea sp. 1.19, a plant growth-promoting bacterium (PGPB), was isolated from the rhizosphere of rice plants in Spain. Its genome, estimated at 3,771,065 bp, encodes 3,535 coding sequences (CDSs), carrying genes for synthesis of auxins, homoserine lactones, enzymes, siderophores, and quorum sensing. Several CDSs emphasize its biotechnological potential as an agriculture inoculant.Embrapa 02.13.08.001.00.00INCT-Plant-Growth Promoting Microorganisms for Agricultural Sustainability and Environmental Responsibility 465133/2014-2Ministerio de Economía y Competitividad AGL2016- 77163-

Magnetic Ordering in Ilmenites and Corundum-Ordered Structures

In the last few years, the multiferroic materials have represented a very important research topic on the design of new technological devices. A better description for this kind of materials involves two or more forms of ferroic orders coupled in a single crystalline structure. The great number of studies in this field is focused on candidates that present the coupling between a magnetic order and ferroelectricity. However, these material classes are a challenging topic on first-principles calculations due to the strong correlation that arose from the unpaired electrons. Furthermore, the partial filling of d or f orbitals reduces a high localization and a strong interaction causing failures on the electronic structure prediction. The investigation of multiferroic materials aims at their application on the development of devices such as actuators, magnetic readers, sensors and data storage. Multiferroic materials are also alternatives to the production of technological applications based on spintronic. Our proposal is to show our experience in DFT simulations for magnetic states applied in oxides of ilmenites and corundum-ordered structures. Theoretical results reported for our group until now showed a good agreement with experimental results for half-metallicity, reduced band-gap, and/or ferromagnetic ordering

Quantum Chemistry Applied to Photocatalysis with TiO2

Heterogeneous catalysis is a topic very studied in science. Its application in technologies of energy conversion, water purification, chemical synthesis, car catalytic converter and so on is studied. Recently, the TiO2 material in anatase and rutile phases has been used extensively in photocatalytic systems; its band-gap is localized in visible and ultra-violet spectra, proportioning a good material for generation of chemical radicals. Nowadays, the density functional theory (DFT) is shown as a great tool to simulate all types of materials and the possibilities to simulate bulk and surfaces of materials importance in last few decades. Recently, quantum periodic calculations based on DFT methods have been widely used to simulate materials and the main functionals applied are PBE, PBE0 and B3LYP; they are important for doping and adsorption theoretical investigations and are present in various simulation programs, such as, Crystal, Wien, Vasp and others. This methodology has investigate the influence of dangling bonds, cationic and anionic doping, charge transfer, surface energy and more quantum properties. Quantum chemistry tools, in particular, DFT methods, are key points to develop high quality research and technology once theoretical calculations are important to guide and understand the molecular design in photocatalysis

Genome Sequence of Pantoea ananatis Strain AMG 501, a Plant Growth-Promoting Bacterium Isolated from Rice Leaves Grown in Paddies of Southern Spain

Pantoea ananatis AMG 501 is a plant growth-promoting bacterium isolated from rice leaves. Its genome was estimated at 5,102,640 bp with 4,994 coding sequences, encompassing genes related to the metabolism of carbohydrates, to the synthesis of auxins, siderophores, and homoserine lactones, and to the type I, II, III, IV, and VI secretion systems.España, MINECO AGL2016-77163-

Draft Genome Sequence of Pantoea ananatis Strain 1.38, a Bacterium Isolated from the Rhizosphere of Oryza sativa var. Puntal That Shows Biotechnological Potential as an Inoculant

Pantoea ananatis 1.38 is a strain isolated from the rhizosphere of irrigated rice in southern Spain. Its genome was estimated at 4,869,281 bp, with 4,644 coding sequences (CDSs). The genome encompasses several CDSs related to plant growth promotion, such as that for siderophore metabolism, and virulence genes characteristic of pathogenic Pantoea spp. are absent.España, MINECO GL2016-77163-

SOURCES AND RATES OF NITROGEN ON THE NUTRITION AND PRODUCTIVE PERFORMANCE OF DETERMINATE GROWTH HABIT SNAP BEAN

Snap bean is a vegetable crop presenting high requirements of mineral nutrients, such as nitrogen (N). However, studies on the response of this crop to N fertilization are scarce, mainly with determinate growth habit genotypes, making it difficult to manage the nutrient supply. The aim of this study was to evaluate the nitrogen nutrition and the productive performance of determinate growth habit snap bean as a function of N sources and rates. The experiment was carried out in pots, under greenhouse conditions, in a Red Latosol with 36.60 g dm-3 of soil organic matter content. The cultivar ‘Macarrão rasteiro’ TopSeedâ was grown in a completely randomized design at factorial scheme 3x4, with four replications. It was studied three sources of N (urea, ammonium sulfate and sulfammoâ) and four rates (0, 40, 80 and 120 kg N ha-1), applied 20% at sowing time, 40% at 12 days after emergence (DAE) and 40% at 20 DAE of the seedlings. It was evaluated the N content of the index leaf and the N accumulation in shoots, the plant height at the end of the cycle and the number, total fresh mass, mean fresh mass and mean length of pods. The N content of the index leaf and N accumulation in shoots were linearly increased by the N rates, regardless of the N source, while the plant height and the pod’s characteristics were influenced by none of the factors studied.O feijão-vagem é uma hortaliça que apresenta elevada demanda por nutrientes minerais, dentre eles o nitrogênio (N). No entanto, são escassos os estudos de resposta da cultura à adubação nitrogenada, principalmente para cultivares de crescimento determinado, dificultando o manejo de fornecimento do nutriente. O objetivo deste trabalho foi avaliar a nutrição nitrogenada e o desempenho produtivo de feijão-vagem de crescimento determinado em função de fontes e doses de N. O experimento foi conduzido em vasos, sob condições de casa de vegetação, em Latossolo Vermelho com teor de matéria orgânica de 36,60 g dm-3. A variedade ‘Macarrão rasteiro’ TopSeedâ foi cultivada em delineamento experimental inteiramente casualizado com esquema fatorial 3x4, com quatro repetições. Estudaram-se três fontes de N (ureia, sulfato de amônio e sulfammoâ) e quatro doses (0, 40, 80 e 120 kg N ha-1), parceladas 20% na semeadura, 40% aos 12 dias após a emergência (DAE) e 40% aos 20 DAE das plântulas. Foram avaliados o teor de N na folha-índice, o acúmulo de N na parte aérea, a altura das plantas ao final do ciclo, o número, a massa fresca total, a massa fresca média e o comprimento médio das vagens. O teor foliar e o acúmulo de N na parte aérea das plantas foi aumentado linearmente com as doses, independente da fonte utilizada, enquanto a altura das plantas e as características relacionadas às vagens não foram influenciadas por nenhum dos fatores estudados

Estabilidade e concordância entre o cateter esofágico com micro-transdutor e o cateter de balão esofágico: estudo in vitro e in vivo

As medidas da força inspiratória e da pressão transdiafragmatica (Pdi) (Pdi= Pgástrica – Pesofágica) têm grande importância na prática clínica. Diversas doenças respiratórias e musculares afetam a Pdi, muitas vezes não sendo detectadadas através de medidas não invasivas. O presente estudo tem como objetivo avaliar a estabilidade, frequência de resposta e concordância entre o cateter com balão (BC) e o com microtransdutores (MTC) no estudo das pressões esofágicas, gástricas e Pdi. [...

Draft Genome Sequence of Pseudomonas fluorescens Strain ET76, Isolated from Rice Rhizosphere in Northwestern Morocco

Pseudomonas fluorescens ET76 was isolated from rice rhizosphere in northwestern Morocco. Its draft genome was estimated to be 6,681,652 bp with 5,789 coding sequences (CDSs). Genes encoding for type I to VI secretion systems, PvdQ, proteases, siderophores, hydrogen cyanide synthase, ACC-deaminase, among others, highlight its potential use in biological control of plant pathogens.España Ministerio de Economia y Competitividad (AGL2012 -38831)

Growth, yield and agronomic efficiency of rice (Oryza sativa L.) cv. IAPAR 117 affected by nitrogen rates and sources

The aim of this research was to evaluate two traditional N sources (urea and ammonium sulfate) and an alternative one (sulfamoo) with increasing rates (0, 40, 80, 120 and 160 kg N ha-1, respectively) affecting aspects of upland rice crop cv. IAPAR 117. The experiment was carried out in greenhouse conditions, using a completely randomized design in 3x4 factorial scheme, with four replicates. It was evaluated the number of tillers (NT), plant mean height (PMH), dry matter of shoots (DMS), crop yield/mass of filled grains (MFG), content of N-DMS, agronomic efficiency of nitrogen (AE), mass of 100 filled grains (M100FG) and grain harvest index (GHI). The nitrogen rates application as ammonium sulfate resulted in a greater increasing of NT, DMS, MFG and N-DMS, respectively. In fact, higher agronomic efficiency obtained with urea and sulfamoo at 40 kg N. ha-1, although AE decreased within the higher rates of N, independently from the source. The M100FG and GHI were higher when sulfamoo and urea were used, although the high N supply negatively affected these two variables for all N evaluated sources