Abstract: Salinity is a major abiotic stress that adversely affects several physiological and biochemical aspects of plants. Antioxidants can be used as a potential remediation mechanism to promote plant resilience. Therefore, the objective of the present study was to

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Abstract: The existence of environmental disturbances is an important facilitating factor to the establishment of biological invasions (BI). Biological invasions are considered the second biggest threat to the planet's biodiversity, behind only anthropic actions such a

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Abstract: Piper regnellii (Miq.) C. DC. var. regnellii, popularly known as "pariparoba", is used for therapeutic purposes. However, the morphological similarity among Piper species can lead to misidentifications, so molecular markers have been used to validate the iden

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Abstract: Photoperiod is an important environmental characteristic involved in the regulation of circadian physiological processes in living organisms. This experiment verified the effect of photoperiod on biomass gain and mortality in juvenile scorpions of the species

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Abstract: The present study assesses the diversity and seasonal variation of parasites in Oreochromis niloticus (Nile tilapia) cultivated in excavated tanks in the Federal District, Brazil. A total of 120 specimens of O. niloticus were collected in 12 monthly collectio

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Abstract: Knowledge about the behavior of seeds is important to support studies to minimize the effects of predatory extractivism on ornamental bromeliads. The aim of this study was to evaluate the germination, seed morphology and post-seminal development of Hohenbergi

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Abstract: Microbial polysaccharides are of great biotechnological and commercial interest and have wide application in the food, cosmetic and medicine industries. Exopolysaccharide (EPS) production by the yeast Cryptococcus laurentii SD7, isolated from fresh water moll

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Abstract: Growth-promoting bacteria Azospirillum brasilense, used as an inoculant in corn culture, can be severely affected by the exposure temperature, with a lethal effect above 35°C, when cultivated alone under laboratory conditions. Such effects may limit the assoc

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Abstract: Paiche (Arapaima gigas) belongs to the Kingdom Animalia, Phylum Chordata, Class Actinopterygii, Order Osteoglossiformes, Family Arapaimidae, Genus Arapaima, and its origin may date to the Jurassic period. The species has natural habitat in the Amazonian river

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Abstract: This study verified the efficiency of ovitraps combined with Saccharopolyspora spinosa and Bacillus thuringiensis israelensis for monitoring Aedes aegypti and Aedes albopictus in laboratory and field conditions. In the laboratory, for A. aegypti, there was no

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Abstract: Cannibalism is a frequent behavior in Spodoptera frugiperda (J. E. Smith, 1797) larvae either in the field or in a laboratory. The purpose of this work was to investigate the factors temperature and food quantity on the cannibal behavior in instars of this in

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Abstract: Oeceoclades maculata is a terrestrial orchid species that has potential for commercial purposes. Taking that into consideration, the present investigation aimed at studying its germination and initial development in vitro as well as its acclimatization. The i

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Abstract: Abscisic acid (ABA) is associated with bud dormancy, leaf abscission, and germplasm growth inhibition in in vitro conservation. We evaluated the effects of ABA in four wild Manihot accessions and one cassava accession (M. esculenta Crantz) to refine in vitro

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Abstract: Hypostomus commersoni is a freshwater fish, native to the Paraná River basin, which plays an important role in trophic networks of this system. This study aimed at analyzing the structure of the endohelminth community of H. commersoni from two shallow lagoons

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Abstract: The “sempre-viva” species Comanthera mucugensis is endemic to the municipality of Mucugê, Bahia, Brazil, where it was widely exploited through extractivism to be commercialized as an ornamental, causing a drastic reduction of its population, so that it is now

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Abstract: Surf zones are associated with a shelter area, nursery and feeding for several species of fish. In this study, the dietary habits of three species of fish with demersal habits (Gulf kingcroaker Menticirrhu gracilis, Whitesea catfish Genidens barbus and Barbu

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Abstract: β-Glucans (βG) are polysaccharides widely distributed in nature with chemopreventive properties. The aim of this study was to investigate the effects of βG and the combined treatment with doxorubicin (Dox) on cell viability and mRNA levels of genes involved i

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Abstract: Atrazine and nitrate have been shown to act as potent oxidative stressors in amphibians either alone or in combination under stable laboratory conditions, causing histopathological alternations in liver and kidney structures at the sub-lethal concentrations.

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Abstract: The growing extractive activity in forest areas, the inefficient use of management practices combined with the intensification of socioeconomic activities, are the main factors in the loss of biodiversity. In order to reduce environmental impacts, genetic cha

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Abstract: Stingless bees are important pollinators for various plant crops. We investigated the susceptibility of Tetragonisca fiebrigi to sublethal concentrations of insecticides fipronil, malathion, and thiamethoxam (administered through contact and ingestion) by det

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Abstract: The continuous use of KCl may not be sustainable in the long term in agricultural systems. High doses used in crops accumulate in the soil and plants, hindering the metabolic processes of soil organisms. This study assessed the soil microbial activity in resp

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Abstract: Mulching use in agriculture has been known since 1802 as the practice of spreading dry leaves and straw on the soil to prevent erosion and water loss. Our study evaluated the mulch effectiveness in the establishment of regenerating seedlings and its contribut

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Abstract: The current study evaluates the antiparasitic effect of thymol on reducing parasite burden, especially Cryptosporidium load, in poultry drinking water and in improving zootechnical performances of chicks. The first experiment assessed in vitro the anti-crypto

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Abstract: The introduction of the African snail Lissachatina fulica worldwide poses a risk to the environment, agriculture and human health. Considered a socio-environmental pest it causes problems to plantations and gardens, in addition to threatening native species.

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Abstract: Iron is a fundamental microelement for human life; however, deficiencies or excesses of these metal ions can cause severe complications and mortality. Chelators are compounds that bind and inhibit iron. Ultraviolet-visible (UV-vis) spectrophotometric methods

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Abstract: The potential of chitosan as a blood lead chelator and an antioxidant had been proven, yet its ability was still not optimal. Chitosan had a relatively large molecular size, which reduced the effectivity of its distribution towards the tissues. Gamma Co-60 ir

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Abstract: The use of fungi to obtain chitin and chitosan has advantages such as handling, extraction, and production control, thus allowing to generate high quality chitosan. This study aimed to isolate and identify strains of Cunninghamella spp., and assess the produc

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Abstract: The aim of this work was to verify the efficiency of different isolates of Trichoderma spp. on the control of Sclerotinia sclerotiorum, Sclerotium rolfsii and Sclerotium cepivorum, and the influence they pose on the conidia production of Trichoderma spp. For

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Abstract: Yeast’s beta-galactosidase is an intracellular enzyme, through which it is possible to determine in vivo its activity as a biocatalyst in the lactose hydrolysis. Permeabilization process was used for transforming the microorganisms cells into biocatalysts wit

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Abstract: . Hesperozygis ringens (Lamiaceae), popularly known as espanta-pulga, is a threatened species endemic to rocky and sandy regions of the Pampa biome. One factor that can influence the low number of individuals of a species is a low seed germination rate influe

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Abstract: We examined the abiotic factors and co-specific competition for food resources that regulate the foraging activity of Oxaea flavescens bees on Styrax camporum flowers. Foraging records were gathered during 20 min. periods at the beginning of each hour between

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Abstract: The Bare-faced Ibis is a gregarious bird found in South America. In the face of a rapid expansion in a southern state in Brazil and a lack of detailed information about the species' reproduction, two breeding areas were studied weekly for two consecutive seas

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Abstract: Anurans vary in body coloration and frequently exhibit color polymorphism, with selection by predation pressure favoring more cryptic animals. Spatial differentiation may also favor color polymorphism in some species, since cryptic morphotypes can use substra

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Abstract: DNA extraction is usually the first step to perform molecular studies. This process can be nonviable due to genomic DNA (gDNA) extraction commercial kits prices. Furthermore, available DNA extraction protocols generally have high specificity, limiting their u

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Abstract: Industrial wastewater and agricultural practices are among the main activities discharging organic pollutants, such as Polychlorinated biphenyl (PCB) congeners and organochlorine insecticides (e.g. DDT - dichloro diphenyl trichloroethane), to the environment.

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Abstract: The Serra de Itabaiana National Park (PARNASI) is known as an important conservation area in the ecotone between the Atlantic Forest and Caatinga in Northeast Brazil and is one of the main areas of fauna and flora studies in Sergipe. For this reason, there ar

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Abstract: The present study describes the length-weight relationship of four species of ornamental fish caught on the banks of Tupé lake in lower Rio Negro, Amazonas state, Brazil in the months of September and December 2017, and February, March, and April 2018 with th

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Abstract: In this study, nickel tolerance (NiSO..7H.O) of some Turkish national barley (Hordeum vulgare L.) genotypes (Bülbül-89, Kalaycı-97, Karatay-94, Larende, Tarm-92, Tokak-157/37, Yesevi-93 and Zeynel Ağa) was investigated. Barley genotypes were exposed to differ

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Abstract: The application of quality control tests, such as the comet assay, are essential when adipose-derived stem cells are cultured for therapeutic purposes. However, the steps involved in the development of this assay should be investigated, in order to reduce the

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Abstract: A 52-year-old pine forest is characterized as an environment with low plant diversity and large accumulation of allelopathic litter with poor nutrient content. Collembola is sensitive to environmental conditions and may have difficulties living in these fores

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Abstract: The Araguaia River is an important watercourse located in Central Brazil and well known for its diversity of fish fauna. Differences between landscape and resources in the distinct environments existing in a floodplain can determine the success of a species.

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Abstract: ErpY-like protein (LIC11966) is an antigen from Leptospira spp., which is possibly involved in the infection process and, consequently, can be a promising solution for the development of new diagnostic tests and vaccines. Here, the presence of the erpY-like g

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Abstract: The rocky outcrops in the municipality of Campo Mourão (Paraná State) are all surrounded by remaining Atlantic Forest, unlike the typical outcrops associated with river courses, fields, or hilltops. Because it is such specific vegetation, it is essential to r

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Abstract: The olive crop has a large diversity in cultivars around the world, whose identification have been based on leaf, stem or fruit traits. However, these traits may be influenced by the environment, which has led to the misidentification of cultivars. The variab

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Abstract: Arthropod venoms are potential sources of bioactive substances, providing tools for the validation of popular use and new drugs design. Ants belonging to the genus Dinoponera are used in the folk medicine to treat inflammatory conditions. It was previously de

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Abstract: Species Cichlapiquiti and Cichlakelberi are found in the Serra da Mesa reservoir, Goiás and are sedentary with diurnal habits. This study aimed to evaluate the magnitude and distribution of genetic variability in subpopulations of C. piquiti with specific mic

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Abstract: Lepidium meyenii (maca) is a Peruvian nutraceutical plant, whose hypocotyl has a variety of colors ranging from black to white. The black and red varieties of maca have been the most studied since their extracts are associated with effects such as increased s

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Abstract: The addition of natural molecules such as microbial exopolysaccharides in cosmetics is a trend in the current market, adding properties and improving the product quality. Therefore, the aim of this study was to develop a facial biocosmetic formulation contain

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Abstract: Weed infestation is one of the main challenges in crop management. The environmental, economic and social impacts attributed to pesticides lead to the search for new sustainable possibilities for the management of these plants, especially for Commelina bengha

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Abstract: Small rivers, henceforth streams, depend on organic matter (nutrients and energy) from riparian vegetation. The quality of such allochthonous debris is determinant for the transformation of organic matter compounds, where the bacterial community has a crucial

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Abstract: The use of pesticides has grown over the years and their effects on ecosystems, especially aquatic ones, have been increasingly observed. Agricultural pesticides are responsible for a large part of pollution in aquatic environments, and can reach non-target o

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Abstract: In the food industry, the formation of biofilms results in serious microbial recontamination problem. This work aimed to study Listeria sp. obtained from sliced products and food handling surfaces, for the preparation of food of animal origin to be consumed c

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Abstract: In vitro oxidation is a problem for some herbaceous and woody species and can cause darkening of tissues and consequently death of explants and plants Therefore, this study aimed to assess the effect of activated charcoal on in vitro yam cultivation, aiming a

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Abstract: Bioenhancement of hydrocarbonoclastic microorganisms with suitable nutrients has a huge impact in achieving positive bioremediation of polluted environments. This study was conducted to assess the bio-enhancing effect of some organic amendments on Streptococc

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Abstract: The biodiversity found in Brazilian’s ecosystems brings the possibility of discovering new natural products with wide application potentials. However, knowing their availability and chemical composition is crucial. Thus, the aim of this study was to evaluate

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Abstract: Microalgae are known for producing various biotechnological products. Moreover, they absorb nutrients from dairy wastewater, grow well, and accumulate valuable compounds faster. In this study, photoautotrophic and mixotrophic cultivation with different initia

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Abstract: Wetlands provide several ecological, biological, and environmental benefits, including their role in the hydrological cycle, especially in coastal areas. Coastal wetlands are affected by anthropogenic threats, as these are in constant synergy with local popul

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Abstract: The species Rosmarinus officinalis L. (rosemary) is an herb from the Lamiaceae family, widely used in cooking as a food preservative, seasoning or condiment. It also stands out for its therapeutic properties, mainly presenting antioxidant, antibacterial and a

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Abstract: Landscape changes and hydrologic alterations associated with dam construction have greatly hindered reproductive success and the recruitment of migratory species. However, little is known about the flow conditions that are necessary for the reproductive succe

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Abstract: The collapse of the Fundão tailings dam of the Samarco mining complex in Mariana, Brazil, was the largest mining disaster in the world to date with many socio-economic and environmental impacts. Soil affected by mining tailings was severely altered with negat

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