RSS 1.0Centro de Estudos de Insetos Sociais (CEIS) - Rio Claro
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In vitro study of volatile organic compounds produced by the mutualistic fungus of leaf-cutter ants and the antagonist Escovopsis
Masiulionis, Virginia E.
; Pagnocca, Fernando C. (Fungal Ecology, 2020) [Artigo]
Occasionally, the symbiosis of the fungus-growing ants is threatened by ascomycetous fungi mainly by species in the genus Escovopsis. GC-MS analyses were conducted to investigate the volatile organic compounds (VOCs) ... -
Foragers of Africanized honeybee are more sensitive to fungicide pyraclostrobin than newly emerged bees
Eduardo da Costa Domingues, Caio; Bello Inoue, Lais Vieira ; ; Malaspina, Osmar (Environmental Pollution, 2020) [Artigo]
The honeybee has economic importance both for the commercial value of bee products and for its role in the pollination of agricultural crops. Despite the fact that the fungicides are widely used in agriculture, studies ... -
Fungus-growing insects host a distinctive microbiota apparently adapted to the fungiculture environment
Barcoto, Mariana O.; ; ; Ferro, Milene ; Nagamoto, Nilson S. ; Bacci, Mauricio ; ; Rodrigues, Andre (Scientific Reports, 2020) [Artigo]
Some lineages of ants, termites, and beetles independently evolved a symbiotic association with lignocellulolytic fungi cultivated for food, in a lifestyle known as fungiculture. Fungus-growing insects’ symbiosis also hosts ... -
Minor Biomass Particle Size for an Efficient Cellulose Accessibility and Enzymatic Hydrolysis
Fernandes, Érika S.; Bueno, Danilo ; Pagnocca, Fernando C. ; Brienzo, Michel (ChemistrySelect, 2020) [Artigo]
Sugarcane bagasse is a recalcitrance lignocellulosic material with difficult to structure disorganize and it has low cellulose accessibility, negatively influencing the enzymatic saccharification. This study identified the ... -
A high quality method for hemolymph collection from honeybee larvae
Butolo, Nicole Pavan; ; ; Domingues, Caio E.C. ; Miotelo, Lucas ; Malaspina, Osmar ; Nocelli, Roberta Cornélio Ferreira (PLoS ONE, 2020) [Artigo]
The drastic decline of bees is associated with several factors, including the immune system suppression due to the increased exposure to pesticides. A widely used method to evaluate these effects on these insects' immune ... -
What can the bacterial community of atta sexdens (Linnaeus, 1758) tell us about the habitats in which this ant species evolves?
Ramalho, Manuela de Oliveira; ; ; Bueno, Odair Correa (Insects, 2020) [Artigo]
Studies of bacterial communities can reveal the evolutionary significance of symbiotic interactions between hosts and their associated bacteria, as well as identify environmental factors that may influence host biology. ... -
How Do Leaf-Cutting Ants Recognize Antagonistic Microbes in Their Fungal Crops?
Goes, Aryel C.; Barcoto, Mariana O. ; Kooij, Pepijn W. ; Bueno, Odair C. ; Rodrigues, Andre (Frontiers in Ecology and Evolution, 2020) [Resenha]
Leaf-cutting ants employ diverse behavioral strategies for promoting the growth of fungal cultivars in a structure known as fungus garden. As a nutritionally rich resource for the ants, the fungal crop is threatened by ... -
Comparing activity, toxicity and model membrane interactions of Jelleine-I and Trp/Arg analogs: analysis of peptide aggregation
Martins, Danubia Batista; ; ; de Souza, Bibiana Monson ; ; Palma, Mario Sérgio ; ; dos Santos Cabrera, Marcia Perez (Amino Acids, 2020) [Artigo]
Increasing resistance in antibiotic and chemotherapeutic treatments has been pushing studies of design and evaluation of bioactive peptides. Designing relies on different approaches from minimalist sequences and endogenous ... -
Antifungal compounds with anticancer potential from Trichoderma sp. P8BDA1F1, an endophytic fungus from Begonia venosa
; ; ; Rodrigues, André; Correia, Ana Maria L. ; (Brazilian Journal of Microbiology, 2020) [Artigo]
Fungi in the genus Trichoderma are notorious producers of secondary metabolites with diverse applications, such as antibacterial, antifungal, and plant growth-promoting properties. Peptaibols are linear peptides produced ... -
Improved production of the recombinant phospholipase A1 from Polybia paulista wasp venom expressed in bacterial cells for use in routine diagnostics
Perez-Riverol, Amilcar; ; ; dos Santos-Pinto, Jose Roberto Aparecido ; Esteves, Franciele Grego ; Bazon, Murilo Luiz ; ; Palma, Mario Sergio ; Brochetto-Braga, Márcia Regina (3 Biotech, 2020) [Artigo]
Phospholipase A1 (PLA1) is one of the three major allergens identified in the venom of P. paulista (Hymenoptera: Vespidae), a clinically relevant wasp from southeastern Brazil. The recombinant form of this allergen (rPoly ... -
Lack of fungal cultivar fidelity and low virulence of Escovopsis trichodermoides
Bizarria, Rodolfo; Nagamoto, Nilson Satoru ; Rodrigues, Andre (Fungal Ecology, 2020) [Artigo]
Fungus-growing ants (the attines) are a paramount example of symbiosis, practicing fungiculture for food. Fungi in the genus Escovopsis (Ascomycota: Hypocreales) threaten the ant fungal cultivars and show patterns of ... -
Cellular and molecular effects of silymarin on the transdifferentiation processes of LX-2 cells and its connection with lipid metabolism
Silva, Caio Mateus; ; ; Malaspina, Osmar ; Moraes, Karen C. M. (Molecular and Cellular Biochemistry, 2020) [Artigo]
Fibrosis process in the liver is a clinical condition established in response to chronic lesions and may be reversible in many situations. In this process, hepatic stellate cells (HSCs) activate and produce extracellular ... -
Method to quantify aluminum-induced organic acids secretion by roots of plants in nutrient solution using GC–MS
de Oliveira Carvalho Bittencourt, Brenda Mistral; Filho, Sebastião Zanão ; Habermann, Gustavo (Theoretical and Experimental Plant Physiology, 2020) [Artigo]
Organic acids (OAs) play an essential role in several cellular biochemical pathways. Released by plant roots, OAs can help them tolerate phytotoxic forms of aluminum (Al) present in acidic soils. Some studies use ... -
In Situ Metabolomics of the Honeybee Brain: The Metabolism of l -Arginine through the Polyamine Pathway in the Proboscis Extension Response (PER)
Pratavieira, Marcel; Da Silva Menegasso, Anally Ribeiro ; Roat, Thaisa ; Malaspina, Osmar ; Palma, Mario Sergio (Journal of Proteome Research, 2020) [Artigo]
The proboscis extension response (PER) reflex may be used to condition the pairing of an odor with sucrose, which is applied to the antennae, in experiments to induce learning, where the odor represents a conditioned ... -
Antifungal Activity, Toxicity, and Membranolytic Action of a Mastoparan Analog Peptide
Singulani, Junya de Lacorte; Galeane, Mariana Cristina ; Ramos, Marina Dorisse ; Gomes, Paulo César ; dos Santos, Claudia Tavares ; de Souza, Bibiana Monson ; Palma, Mario Sergio ; Fusco Almeida, Ana Marisa ; Mendes Giannini, Maria José Soares (Frontiers in Cellular and Infection Microbiology, 2019) [Artigo]
Invasive fungal infections, such as cryptococcosis and paracoccidioidomycosis are associated with significant rates of morbidity and mortality. Cryptococcosis, caused by Cryptococcus neoformans, is distributed worldwide ... -
Acute thiamethoxam toxicity in honeybees is not enhanced by common fungicide and herbicide and lacks stress-induced changes in mRNA splicing
Decio, Pâmela; ; Roat, Thaisa C. ; Malaspina, Osmar ; ; ; (Scientific Reports, 2019) [Artigo]
Securing food supply for a growing population is a major challenge and heavily relies on the use of agrochemicals to maximize crop yield. It is increasingly recognized, that some neonicotinoid insecticides have a negative ... -
Aluminum (Al)-induced organic acid exudation in an Al-accumulating species from the Brazilian savanna
de Oliveira Carvalho Bittencourt, Brenda Mistral; da Silva, Carolina de Marchi Santiago ; Filho, Sebastião Zanão ; Habermann, Gustavo (Trees - Structure and Function, 2020) [Artigo]
Key message: Styrax camporum, an Al-accumulating species from the Cerrado, seems to rely on the exudation of citric and oxalic acids to avoid excessive Al. Abstract: Organic acid (OA) exudation by the roots of plants to ... -
Novaluron impairs the silk gland and productive performance of silkworm Bombyx mori (Lepidoptera: Bombycidae) larvae
Santorum, Marilucia; ; ; Carvalho dos Santos, Daniela (Chemosphere, 2020) [Artigo]
This study investigates the effects of the insect growth regulator Novaluron on the silk gland (SG) and silk cocoon production in a nontarget insect, the silkworm Bombyx mori, which is a model research insect among Lepidoptera ... -
Symbiotic bacterial communities in rainforest fungus-farming ants: evidence for species and colony specificity
; Lyra, Mariana L.; Migliorini, Gustavo H. ; Bacci, Mauricio ; (Scientific Reports, 2020) [Artigo]
Animals may host diverse bacterial communities that can markedly affect their behavioral physiology, ecology, and vulnerability to disease. Fungus-farming ants represent a classical example of mutualism that depends on ... -
A cinnamaldehyde-based formulation as an alternative to sodium hypochlorite for post-harvest decontamination of citrus fruit
Zamuner, Caio F. C.; Dilarri, Guilherme ; Bonci, Lucia C. ; Saldanha, Luiz L. ; ; ; Sass, Daiane C. ; Bacci Jr, Mauricio ; Ferreira, Henrique (Tropical Plant Pathology, 2020) [Artigo]
According to the most recent regulation, published in 2018, areas or states of Brazil where citrus canker is endemic are no longer obliged to eradicate citrus trees affected by the disease as in the past 60 years. Instead, ...