Authors: Souza, Isabel Regina Prazeres de; Carneiro, Newton Portilho; Giolitti, Fabian; Lenardon, Sergio Luis; Oliveira Sabato, Elizabeth de; Gomes, Eliane Aparecida; Noda, Roberto Willians; Souza, Francisco Adriano de
Publication Date: 2012.
Language: Portuguese.
Abstract:
Os objetivos do presente estudo foram (i) identificar por meio do sequenciamento da proteína capsidial a espécie de potyvírus causando sintomas de mosaico em milho e sorgo no Brasil, e (ii) analisar a sequência de aminoácidos (aa) do N-terminal do gene da proteína capsidial.
Author affiliation: Souza, Isabel Regina Prazeres de. Embrapa Milho e Sorgo, Sete Lagoas; Brasil
Author affiliation: Carneiro, Newton Portilho. Embrapa Milho e Sorgo, Sete Lagoas; Brasil
Author affiliation: Giolitti, Fabian. INTA. Instituto de Patología Vegetal; Argentina
Author affiliation: Lenardon, Sergio Luis. INTA. Instituto de Patología Vegetal; Argentina
Author affiliation: Oliveira Sabato, Elizabeth de. Embrapa Milho e Sorgo, Sete Lagoas; Brasil
Author affiliation: Gomes, Eliane Aparecida. Embrapa Milho e Sorgo, Sete Lagoas; Brasil
Author affiliation: Noda, Roberto Willians. Embrapa Milho e Sorgo, Sete Lagoas; Brasil
Author affiliation: Souza, Francisco Adriano de. Embrapa Milho e Sorgo, Sete Lagoas; Brasil
Keywords: Maíz; Maize; Sorghum Grain; Potyviruses; Plant Viruses; Zea Mays; Sorgos; Potyvirus; Virus de las Plantas; Brasil.
Repository: INTA Digital (INTA). Instituto Nacional de Tecnología Agropecuaria
Authors: Soteras, María Florencia; Moreira, Bruno Coutinho; Grilli, Gabriel; Pastor, Nicolás; Mendes, Flávia Carneiro; Carvalho, Daniela Ruela de; Renison, Daniel; Kasuya, Maria Catarina Megumi; Souza, Francisco Adriano de; Becerra, Alejandra Gabriela
Publication Date: 2016.
Language: English.
Abstract:
The aim of this study was to compare the arbuscular mycorrhizalfungal (AMF) community of the rhizosphere and inside the roots of theperennial Polylepis australis tree. Three forest types differing in theirstructural complexity due to anthropogenic disturbances were chosen atthree different sites at the high mountains of central Argentina.Rhizosphere spores and P. australis roots of four randomly selected treeswere isolated from 36 soil samples, DNA was extracted and the 18S rDNAfragments were amplified by nested-PCR. The products were analyzed byDGGE and the bands were excised for sequencing. In total, 36 OTUs weredefined from 56 DGGE bands successfully sequenced. Forest disturbancetypes showed similar communities of AMF, as rhizosphere spores and withinthe roots of P. australis. However, DGGE clustering showed mainlydifferences between rhizosphere spores and root-colonizing AMF. Membersof Glomeraceae, Pacisporaceae, Acaulosporaceae and Gigasporaceae wereshown in rhizosphere spore samples. Root samples showed only members ofAcaulosporaceae and Gigasporaceae, which might be complementary in termsof soil resources exploration. The prevalence of the root system withtheir community of symbionts might explain the resilience of AMF soilcommunities to forests structural changes. This study presents evidenceof a possible preference in the AMF- P. australis interaction.
Author affiliation: Soteras, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Author affiliation: Moreira, Bruno Coutinho. Universidade Federal de Viçosa; Brasil
Author affiliation: Grilli, Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Author affiliation: Pastor, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Author affiliation: Mendes, Flávia Carneiro. Universidade Federal de Viçosa; Brasil
Author affiliation: Carvalho, Daniela Ruela de. Universidade Federal de Viçosa; Brasil
Author affiliation: Renison, Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina
Author affiliation: Kasuya, Maria Catarina Megumi. Universidade Federal de Viçosa; Brasil
Author affiliation: Souza, Francisco Adriano de. Núcleo de Biologia Aplicada; Brasil
Author affiliation: Becerra, Alejandra Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Repository: CONICET Digital (CONICET). Consejo Nacional de Investigaciones Científicas y Técnicas