Abstract Rhizosphere microorganisms and endophytes can help their hosts absorb nutrients and regulate the levels of plant hormones. Moreover, they can modulate the expressions of host genes, assist hosts in eliminating reactive oxygen species (ROS) and secreting volatile organic compounds. Therefore, rhi...
Abstract Since the foundation of the Malacological Center in 1980, Universidad Centro Americana (UCA), Managua-Nicaragua, has been monitoring and collecting the marine, terrestrial, fluvial and lake mollusk population of the country. Many specimens have been photographed by Scanning Electronic Microscop...
Background: The study of plant-associated microorganisms is very important in the discovery and development of bioactive compounds. Pseudomonas is a diverse genus of Gammaproteobacteria comprising more than 60 species capable of establishing themselves in many habitats, which include leaves and stems of ...
La alelopatía es un fenómeno que involucra la producción de metabolitos secundarios que influyen en el crecimiento de las plantas, pero este potencial alelopático ha sido poco estudiado en la simbiosis rizobio-leguminosa. Esta investigación tuvo los siguientes objetivos: 1) evaluar el potencial alel...
ABSTRACT The leguminous inoculation with nodule-inducing bacteria that perform biological nitrogen fixation is a good example of an "eco-friendly agricultural practice". Bradyrhizobium strains BR 3267 and BR 3262 are recommended for cowpea (Vigna unguiculata) inoculation in Brazil and showed remarkable r...
Inoculantes Agrícolas/clasificación,
Inoculantes Agrícolas/genética,
Inoculantes Agrícolas/aislamiento & purificación,
Inoculantes Agrícolas/fisiología,
Bradyrhizobium/clasificación,
Bradyrhizobium/genética,
Bradyrhizobium/aislamiento & purificación,
Bradyrhizobium/fisiología,
Brasil,
ADN Bacteriano/genética,
Evolución Molecular,
Genoma Bacteriano,
Genómica,
Filogenia,
ARN Ribosómico 16S/genética,
Nódulos de las Raíces de las Plantas/microbiología,
Simbiosis,
Vigna/microbiología,
Vigna/fisiología
Abstract Wolbachia (Hertig) endosymbionts are extensively studied in a wide range of organisms and are known to be transmitted through the egg cytoplasm to the offsping. Wolbachia may cause several types of reproductive modifications in arthropods. In Trichogramma species, parthenogenesis-inducing Wolbac...
Alphaproteobacteria/metabolismo,
Proteínas de la Membrana Bacteriana Externa/metabolismo,
Cartilla de ADN/genética,
Genes Bacterianos/genética,
Filogenia,
Reproducción,
Especificidad de la Especie,
Simbiosis,
Avispas/genética,
Avispas/microbiología,
Wolbachia/genética
Abstract Erythrina velutina ("mulungu") is a legume tree from Caatinga that associates with rhizobia but the diversity and symbiotic ability of "mulungu" rhizobia are poorly understood. The aim of this study was to characterize "mulungu" rhizobia from Caatinga. Bacteria were obteined from Serra Talhada a...
Bradyrhizobium/aislamiento & purificación,
Bradyrhizobium/genética,
Bradyrhizobium/fisiología,
ADN Bacteriano/genética,
Erythrina/microbiología,
Erythrina/fisiología,
Bosques,
Fenotipo,
Filogenia,
ARN Ribosómico 16S/genética,
Rhizobium/genética,
Rhizobium/aislamiento & purificación,
Rhizobium/fisiología,
Cloruro de Sodio/metabolismo,
Simbiosis
Background: The whole-genome sequences of nine Rhizobium species were evaluated using different in silico molecular techniques such as AFLP-PCR, restriction digest, and AMPylating enzymes. The entire genome sequences were aligned with progressiveMauve and visualized by reconstructing phylogenetic tree us...
Rhizobium/genética,
Rhizobium/enzimología,
Reacción en Cadena de la Polimerasa/métodos,
Análisis del Polimorfismo de Longitud de Fragmentos Amplificados,
Genómica,
Análisis de Secuencia,
Enzimas de Restricción del ADN,
Simulación por Computador,
Proteoma,
Fabaceae/microbiología,
Simbiosis,
Rhizobium/fisiología,
Filogenia
ABSTRACT Arbuscular mycorrhizal fungi provide several ecosystem services, including increase in plant growth and nutrition. The occurrence, richness, and structure of arbuscular mycorrhizal fungi communities are influenced by human activities, which may affect the functional benefits of these components ...
Biodiversidad,
Brasil,
Micorrizas/aislamiento & purificación,
Micorrizas/fisiología,
Nitrógeno/análisis,
Fósforo/análisis,
Raíces de Plantas/microbiología,
Suelo/química,
Microbiología del Suelo,
Simbiosis/fisiología,
Factores de Tiempo,
Vigna/crecimiento & desarrollo,
Vigna/microbiología
Leguminous plants have received special interest for the diversity of β-proteobacteria in their nodules and are promising candidates for biotechnological applications. In this study, 15 bacterial strains were isolated from the nodules of the following legumes: Indigofera thibaudiana, Mimosa diplotri...
Burkholderia,
Fabaceae,
Burkholderia/genética,
Burkholderia/aislamiento & purificación,
ADN Bacteriano,
Fabaceae/microbiología,
México,
Filogenia,
ARN Ribosómico 16S,
Análisis de Secuencia de ADN,
Estrés Fisiológico,
Simbiosis
