Karyotypic analysis in species of the genus Dasyprocta (Rodentia: Dasyproctidae) found in Brazilian Amazon.

abstract：:The present work analyzes the different modalities of protection of the intellectual creations in the biotechnology agricultural field. Regarding the Brazilian legislations related to the theme (the Industrial Property Law - no. 9. 279/96 and the Plant Variety Protection Law - no. 9. 456/97), and based in the internat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rodrigues RL,Lage CL,Vasconcellos AG

更新日期：2011-06-01 00:00:00

abstract：:Epigeic coleopteran species are linked by complex trophic webs and implicated in several ecosystem services for agriculture. Although there are reports of ground-dwelling Coleopterans inhabiting main extensive agroecosystems, their assemblages in horticultural crops in Argentina have been little explored. We examined ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rouaux J,Cabrera N,MartÍnez AS,Posse MC,Luna MG

更新日期：2020-01-01 00:00:00

abstract：:In the present work, the ester synthesis in organic media catalyzed by lipases immobilized on chrysotile was studied. Lipases of different sources (Mucor javanicus, Pseudomonas cepacia, Rhizopus oryzae, Aspergillus niger and Candida rugosa) were immobilized on chrysotile, an inexpensive magnesium silicate, and used fo...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva JE,Jesus PC

更新日期：2003-06-01 00:00:00

abstract：:Acute intermittent porphyria is the most common acute porphyria caused by a decrease in hepatic porphobilinogen deaminase activity, resulting in an accumulation of delta-aminolevulinic acid and porphobilinogen. This disease shows nonspecific signs and symptoms that can be confused with other diseases, thereby making t...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Dos Santos AR,De Albuquerque RR,Doriqui MJ,Costa GC,Dos Santos AP

更新日期：2013-09-01 00:00:00

abstract：:This paper records the first report of Megastigmus transvaalensis Hussey (Hymenoptera: Torymidae) in Brazilian peppertree, Schinus terebinthifolius Raddi (Anacardiaceae) drupes in Sorocaba, state of São Paulo, Brazil. This wasp is an invasive species and was found damaging S. terebinthifolius drupes in urban areas (35...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ferreira-Filho PJ,Piña-Rodrigues FC,Silva JM,Guerreiro JC,Ghiotto TC,Piotrowski I,Dias LP,Wilcken CF,Zanuncio JC

更新日期：2015-10-01 00:00:00

abstract：:The purpose of this study was to analyze the seasonal variation in the nutrient and pigment content of leaves from five tree species - of which three are perennial (Cupania vernalis, Matayba elaeagnoides and Nectandra lanceolata) and two are deciduous (Cedrela fissilis and Jacaranda micrantha) - in an ecotone between ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bündchen M,Boeger MR,Reissmann CB,Geronazzo KM

更新日期：2016-01-01 00:00:00

abstract：:Properties of L(+) lactate dehydrogenase (LDH) of Electrophorus electricus (L.) electric organ were studied, comparing the substrates pyruvate and lactate. Electric organ LDH is a soluble enzyme with a pH optimum of 7.4 for pyruvate and 9.0 for lactate. The apparent Km was lower for pyruvate (Km = 2.5 X 10(-4) M) than...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Torres-da Matta J,Nery da Matta A,Hassón-Voloch A

更新日期：1976-01-01 00:00:00

abstract：:Brazil has a high diversity of flies of the genus Drosophila, and part of this richness is represented by the cardini group. We analyzed the fluctuations in the richness and abundance of this group, in environments that had never previously been studied in the northeastern region of Brazil. Among the 28,204 drosophili...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rohde C,Silva DM,Oliveira GF,Monteiro LS,Montes MA,Garcia AC

更新日期：2014-12-01 00:00:00

abstract：:Leishmania amazonensis is the main agent of diffuse cutaneous leishmaniasis, a disease associated with anergic immune responses. In this study we show that the crude antigen of Leishmania amazonensis (LaAg) but not L. braziliensis promastigotes (LbAg) contains substances that suppress mitogenic and spontaneous prolife...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Pinheiro RO,Pinto EF,Benedito AB,Lopes UG,Rossi-Bergmann B

更新日期：2004-09-01 00:00:00

abstract：:In order to produce transgenic goats with hG-CSF, a total of 24 adult Saanen and 48 adult undefined breed goats were used as donors and recipients, respectively. Donors were estrus-synchronized with vaginal sponges and superovulated by a treatment with 200 mg FSH given twice daily in decreasing doses over 3 days start...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Freitas VJ,Serova IA,Andreeva LE,Dvoryanchikov GA,Lopes ES Jr,Teixeira DI,Dias LP,Avelar SR,Moura RR,Melo LM,Pereira AF,Cajazeiras JB,Andrade ML,Almeida KC,Sousa FC,Carvalho AC,Serov OL

更新日期：2007-12-01 00:00:00

abstract：:Physiological levels of reactive oxygen species (ROS) are important for intracellular and extracellular redox regulation in signaling and defense processes. Strenuous exercise can also contribute to this imbalance, and the muscle fatigue, evidenced by impaired strength or power generation, can be caused by various rea...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Goulart MJVC,Pisamiglio DS,MÖller GB,Dani C,Alves FD,Bock PM,Schneider CD

更新日期：2020-11-20 00:00:00

abstract：:Membrane protein patterns in SDS-PAGE clearly characterized Azospirillum amazonense, A. brasilense, A. lipoferum, and Herbaspirillum seropedicae. Each species showed also a typical major band with approximate molecular weights (AMWs) of 44, 39.5, 35.5, and 37.5 Kdaltons for the four species respectively. Characteristi...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Dianese JC,Döbereiner J,Dos Santos LT

更新日期：1989-06-01 00:00:00

abstract：:The amino acid sequence of the "double-headed" trypsin and chymotrypsin inhibitor (BTCI), purified from the cowpea Vigna unguiculata (L.) Walp. cv "Seridó" was determined in our laboratory. Tryptic and chymotryptic peptides were sequenced by the Edman-Gray and Edman-Chang N-terminal manual method as well as the carbox...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Morhy L,Ventura MM

更新日期：1987-01-01 00:00:00

abstract：:It is known that hormones influence significantly the prostate tissue. However, we reported that mating induces an increase in androgen receptors, revealing a neural influence on the gland. These data suggested that somatic afferents (scrotal and genitofemoral nerves) and autonomic efferents (pelvic and hypogastric ne...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Diaz R,Garcia LI,Locia J,Silva M,Rodriguez S,Perez CA,Aranda-Abreu GE,Manzo J,Toledo R,Hernandez ME

更新日期：2010-06-01 00:00:00

abstract：:This study covers the evaluation of the structure and the capacity in adsorbing orthophosphate ions of kaolinites collected from sampling sites in Manaus (Brazil). The kaolinites were obtained using physical fractioning (sieving/siphoning) techniques and chemical treatment with HCl, H2SO4, H2O2 and KCl. The investigat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Silva MSE,Lages AS,Santana GP

更新日期：2017-07-01 00:00:00

abstract：:The genus Leuconostoc belongs to a group of lactic acid bacteria usually isolated from fermented vegetables, which includes species involved in the production of exopolysaccharides (EPS). These biopolymers possess considerable commercial potential. Because of the wide variety of industrial applications of EPS, this st...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Paulo EM,Boffo EF,Branco A,Valente AM,Melo IS,Ferreira AG,Roque MR,Assis SA

更新日期：2012-06-01 00:00:00

abstract：:The risk of developing cardiovascular disease (CVD) is related to lifestyle (e.g. diet, physical activity and smoking) as well as to genetic factors. This study aimed at evaluating the association between CVD risk factors and DNA damage levels in children and adolescents. Anthropometry, diet and serum CVD risk factors...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Kliemann M,Prá D,Müller LL,Hermes L,Horta JA,Reckziegel MB,Burgos MS,Maluf SW,Franke SI,Silva Jd

更新日期：2012-09-01 00:00:00

abstract：:A performance assessment of active magnetocaloric regenerators using entropy generation minimization is presented. The model consists of the Brinkman-Forchheimer equation to describe the fluid flow and coupled energy equations for the fluid and solid phases. Entropy generation contributions due to axial heat conductio...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Trevizoli PV,Barbosa JR

更新日期：2017-05-01 00:00:00

abstract：:The Caatinga's black snake Boiruna sertaneja is a Pseudoboini species, endemic of the Caatinga biome. It is rare and fits in five traits that suggest it deserve more attention in reproduction research and conservation policies. Here we provide information on reproductive biology of B. sertaneja by adding new data abou...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Guedes T,Guedes A

更新日期：2020-01-01 00:00:00

abstract：:Studies on belowground roots biomass have increasingly reported the importance of the contribution of this compartment in carbon stock maintenance in mangrove forests. To date, there are no estimates of this contribution in Brazilian mangrove forests, although the country has the second largest area of mangroves world...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Santos DMC,Estrada GCD,Fernandez V,Estevam MRM,Souza BT,Soares MLG

更新日期：2017-07-01 00:00:00

abstract：:The degradation kinetics of vitamin C in different citrus juice types (tangerine, grapefruit, orange and lime) were investigated during four hours storage at temperatures of 4 and 25°C under different storage conditions in terms of light and oxygen presence. The loss of vitamin C at each sample followed the first-orde...

journal_title：Anais da Academia Brasileira de Ciencias

authors： NakilcioĞlu-TaŞ E,ÖtleŞ S

更新日期：2020-06-12 00:00:00

abstract：:This paper reports on total Hg concentrations in muscle tissue from 12 fish species collected in the Itacaiúnas and Parauapebas Rivers in the Carajás region, South Pará. It is found that carnivorous species present Hg concentrations higher than herbivorous and omnivorous species. Also, large carnivorous species presen...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lacerda LD,Bidone ED,Guimarães AF,Pfeiffer WC

更新日期：1994-01-01 00:00:00

abstract：:Environmental stimuli exert important effects on the expression of the endogenous rhythms. Daily movements of groups of parrots in response to the light/dark cycle have been studied by several researchers. However, the factors modifying the intrinsic rhythmicity of this behaviour remain little known. This study descri...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Moura LN,Silva ML,Vielliard JM

更新日期：2012-06-01 00:00:00

abstract：:One of the most important steps is to clarify the juice, which are added synthetic polymer acrylamide base, aiming the fast settling of impurities present in the juice. However, this input is expensive and may have carcinogenic and neurotoxic actions to humans. The search for new natural flocculants that have similari...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Freita CM,Freita LA,Tralli LF,Silva AF,Mendes FQ,Teixeira V,Mutton MJR

更新日期：2017-10-01 00:00:00

abstract：:The structural complexity of galls depends on species-specific interaction driven by the galling taxa. However, the host plant and environment stressors can impose limits on gall developmental patterns and impact the establishment of gall morphology. Herein, we employed qualitative and quantitative approaches in order...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira DC,Martini VC,Moreira ASFP,Fuzaro L,GonÇalves LA

更新日期：2020-10-19 00:00:00

abstract：:Antagonistic interactions among predators have the potential to dampen top-down impacts on a shared pest. Strong cannibalism by adults and larvae on eggs along with a stronger intraguild predation by Eriopis connexa on Cycloneda sanguinea (Coccinellidae) than vice versa had been documented. The intensity and direction...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rocca M,Rizzo E,Greco NM

更新日期：2020-07-31 00:00:00

abstract：:Breast cancer is the most frequent and lethal neoplastic disease among women worldwide. Psidium Guajava is a promising functional food against cancer, owing to a variety of bioactive compounds. This study aimed to evaluate the anticarcinogenic potential of Pedro Sato (PS), Hitigio (HI) and Tsumori (TS) guava cultivars...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Correa MG,Couto JS,Trindade BB,Abreu JP,Nakajima VM,Oliveira FL,Farah A,Teodoro AJ

更新日期：2020-01-01 00:00:00

abstract：:Many essential oils (EOs) of different plant species possess interesting antimicrobial effects on buccal bacteria and antioxidant properties. Eugenia klotzschiana Berg (pêra-do-cerrado, in Portuguese) is a species of Myrtaceae with restricted distribution in the Cerrado. The essential oils were extracted through the h...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Carneiro NS,Alves CCF,Alves JM,Egea MB,Martins CHG,Silva TS,Bretanha LC,Balleste MP,Micke GA,Silveira EV,Miranda MLD

更新日期：2017-07-01 00:00:00

abstract：:The centesimal composition and the physical and chemical analyses of Lentinus strigosus, an edible mushroom occurring in the Brazilian Amazon and produced in alternative substrates based on wood and agroindustrial residues, were evaluated. For this purpose, the C, N, pH, soluble solids, water activity, protein, lipids...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sales-Campos C,Araujo LM,Minhoni MT,Andrade MC

更新日期：2013-01-01 00:00:00

abstract：:The main objective of this work is to evaluate the occurrence of bromophenols (2bromophenol, 4bromophenol, 2,4dibromophenol, 2,6dibromophenol and 2,4,6tribromophenol), in the flesh and guts in two species of the LutjanidaeFamily: Lutjanus synagris and Ocyurus chrysurus. The bromophenols were extracted by steam distill...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira AS,Silva VM,Veloso MC,Santos GV,Andrade JB

更新日期：2009-06-01 00:00:00