Atta
Mostrando 1-12 de 256 artigos, teses e dissertações.
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1. Leucoagaricus gongylophorus provides protection for Atta sexdens against plant extracts
RESUMO Extratos vegetais foram utilizados para o controle das formigas cortadeiras. Os objetivos deste estudo foram avaliar a sobrevivência de operárias de formigas cortadeiras após aplicação tópica de extratos de Ageratum conyzoides (mentrasto) e Manihot esculenta (mandioca); e avaliar o efeito por ingestão do extrato de Manihot esculenta extraído c
Ciência Florestal. Publicado em: 2022
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2. Optimization of potato starch gel formulation as green alternative of animal-sourced gelatin
Abstract This study was aimed at optimization of potato starch gel preparation process by response surface methodology and various process parameters were optimized for textural, gelation and sensory properties. 3D response surface and contour plots showed that independent variables, such as extraction time, extraction temperature and potato starch concentra
Food Sci. Technol. Publicado em: 2021-09
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3. Development and analysis of bread fortified with calcium extracted from chicken eggshells of Pakistani market
Abstract Calcium fortification is usually achieved by employing wheat flour as the most frequently used vehicle. In this study, potential of calcium extraction from chicken eggshell and its utilization as a bread fortificant in straight grade flour (SGF) is investigated. In addition, the fortified and unfortified (control) flour samples were evaluated for nu
Food Sci. Technol. Publicado em: 2021-06
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4. INSECTICIDAL AND FUNGICIDAL ACTIVITY OF A MAGNESIUM COMPOUND CONTAINING ISOVANILLIC ACID AGAINST LEAF-CUTTING ANT AND ITS SYMBIOTIC FUNGUS
Pesticides offer a simple, cost-effective solution to ensure food supplies for a growing world population. However, their environmental performance needs improvement if pesticides are to continue contributing importantly. This study explores the insecticidal potential of a magnesium (II) metal complex containing 1,10-phenanthroline and isovanillic acid (MgPh
Quím. Nova. Publicado em: 2021-03
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5. Odontadenia lutea (Apocynaceae) LEAVES: PHYTOCHEMICAL STUDY AND INSECTICIDAL ACTIVITY AGAINST LEAF-CUTTING ANTS Atta sexdens rubropilosa Forel
The present work describes the chemical constituents of Odontadenia lutea (Vell.) Markgr. leaves and the toxicities of its extract and fractions against Atta sexdens rubropilosa Forel (Hymenoptera: Formicidae). Chromatographic procedures of the ethanolic extract resulted in the identification of the triterpene β-amyrin, the flavonoid rutin, two fatty acids
Quím. Nova. Publicado em: 2021-01
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6. Analysis of the Gene Expression and RNAi-Mediated Knockdown of Chitin Synthase from Leaf-Cutting Ant Atta sexdens
Chitin synthase (CHS) is the enzyme specifically associated with chitin synthesis, an important component of diverse organisms including insects. Two alternative spliced transcripts of the CHS gene (AsCHS-A1 and AsCHS-A2) were identified by quantitative reverse-transcription polymerase chain reaction (RT-qPCR) during the development of the leaf-cutting ant A
J. Braz. Chem. Soc.. Publicado em: 2020-10
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7. Molecular Response of Pulp Fibroblasts after Stimulation with Pulp Capping Materials
Resumo Este estudo avalia in vitro a viabilidade e metabolismo celular, a liberação de óxido nítrico e a produção de duas quimiocinas e uma citocina por fibroblastos de polpa dentária humana em cultura (FPDH) em contato com dois cimentos de ionômero de vidro (Ketac Molar-KM e Vitrebond-VB), Single Bond (SB) e hidróxido de cálcio (Dycal-DY). As cult
Braz. Dent. J.. Publicado em: 2020-06
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8. Mitochondrial genomes of genus Atta (Formicidae: Myrmicinae) reveal high gene organization and giant intergenic spacers
Abstract The ants of the genus Atta are considered important pests to agriculture in the Americas, although Atta species are also important contributors to ecosystem functions in the various habitats in which they occur. The aim of this study was to assemble four complete mitochondrial genomes of the genus Atta, construct the phylogenomic tree, and analyze t
Genet. Mol. Biol.. Publicado em: 13/01/2020
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9. TOXICITY OF ALKALOID FRACTIONS FROM Psychotria spp. (RUBIACEAE) AGAINST Atta sexdens FOREL, 1908 (HYMENOPTERA: FORMICIDAE)
ABSTRACT Leaf-cutting ants are the main pests in forest plantations. The most commonly used chemical control for the ants is toxic bait. However, the active ingredients in these baits have been restricted by forest certification organizations, justifying the search for new active compounds to control these insects. Thus, this work aimed to evaluate the formi
CERNE. Publicado em: 09/09/2019
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10. [PROVISIONAL] Mitochondrial genomes of genus Atta (Formicidae: Myrmicinae) reveal high gene organization and giant intergenic spacers
Abstract The ants of the genus Atta are considered an important pest to agriculture in Latin América, although, Atta species are important contributors to ecosystem functions in the various habitats in which they occur. Next-generation sequencing product millions or billions of short reads, however, is necessary to applied methods for assembly of the genome
Genet. Mol. Biol.. Publicado em: 10/06/2019
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11. TOXICITY OF Esenbeckia pumila Pohl (Rutaceae) ON Artemia salina AND Atta sexdens rubropilosa
RESUMO A avaliação de moléculas com atividade inseticida provenientes de plantas que apresentam atividade tóxica ou repelente cresceu nos últimos anos, tendo como um dos principais alvos de estudo as formigas cortadeiras, consideradas as principais pragas das plantações brasileiras, especialmente do gênero Atta. Sendo assim, o objetivo deste trabalho
Rev. Caatinga. Publicado em: 09/05/2019
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12. In vitro organogenesis and genetic transformation of mandarin cultivars
Resumo A organogênese in vitro das tangerinas Fremont (Citrus clementina x Citrus reticulata), Thomas (Citrus reticulata) e Nules (Citrus clementina) foi avaliada visando a otimizar o protocolo de regeneração para aplicação da transformação genética. O uso de explantes derivados de epicótilo resultou em maior número de explantes responsivos e maio
Rev. Bras. Frutic.. Publicado em: 25/04/2019