[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.83 número2

... babwe), have already gained importance in regions far outside their areas of natural distribution, a reason ac- counting for their inclusion in a list of priorities for introduction in large scale cultivation (Leakey ... See full document

... sponding to drug tests, RNAi screens and other exper- imental manipulations. Being multicellular, and hence larger, has provided an advantage in viability screening of these parasites by making microscope ... See full document

... Fig. 1 – (a) Phylogenetic analysis of Schistosome serpins. The thirteen serpins were aligned using MUSCLE and a bootstrapped maximum likelihood tree was generated using PhyML 3.0. The percentage branch bootstrap support ... See full document

... Red blood cell (RBC) transfusions have become an important tool in veterinary critical care and emergency medicine (Weingart et al. 2004). A strict transfusion policy, with the use of blood typing and crossmatch- ... See full document

... The digestive tracts of 44 specimens of Schizodon knerii were studied using anatomical, histological and histochemical techniques. The mouth has terminal position, the lip epithelium is squamous stratified with mucous, ... See full document

... methanol as a direct carbon source via serine biosynthesis and 2) decreased carbon loss from photorespiration. Nonomura and Benson (1992a, b) declared that water use efficiency significantly increased in methanol treated ... See full document

... be an important method for investigating the toxic and mutagenic effects of chemical substances (Andrade et ...of an organ such as the root is intimately dependent on the increase in the number of cells and ... See full document

... During an environmental impact assessment between August 2009 and May 2010 in Conceição do Mato Dentro, southern Espinhaço Range, state of Minas Gerais, southeastern Brazil, specimens of a small ... See full document

... is an estuary that has not been systematically assessed through a temporal analysis in order to identify its hydrodynamics characteristics and SPM ...showed an importation trend of salt in all cycles and ... See full document

... with an Orbitrap LTQ XL (Thermo Fisher Scientific, San Jose Ca, USA) ion trap mass spectrometer using a nanospray (nanoelectrospray) ionization source to generate ions from methanol ... See full document

... of an infinite number of oscillators (degrees of freedom) is not manda- tory for the emergence of ...present an aperiodic behavior, though converging to a limited subspace named ... See full document

... Therefore, the present study aims to characterize the oils extracted from seeds of Hamlin, Natal, Pera-rio and Valencia orange varieties (Citrus sinensis), as to the levels of total ca[r] ... See full document

... and Amazonia (Makalata) recorded together for the first time (Table I). Similarly, some fossil didelphids of Gruta dos Moura are associated with open and deciduous forest areas and others with humid forest (Villa Nova et ... See full document

... in RJ were destroyed. In contrast to sugar cane, coffee was also planted on steep slopes, causing massive erosion problems and landslides. In 1860 most of the coffee production moved from RJ to the Paraiba valley in São ... See full document

... Low fecundity species with high habitat specia- lization are most likely to suffer with populations declines (Bielby et al. 2006). Furthermore, additional attention has been dedicated to specific reproductive modes since ... See full document

... so-called “Stenorrhynchos Clade”, sensu Salazar et al. (2003). To date, these taxa have not been formally cited for the orchid flora of Rio Grande do Sul (Rambo 1965, Pabst and Dungs 1975). The purpose of the present ... See full document

... Long-chain fatty acids (≥ C20) represented 29.5% of S. ambigua meal lipids, all molecules were saturated and most had an even carbon number between C20 and C30 (Table II). Among the long- chain saturated fatty ... See full document

... countries, an area, estimated in the 90’s, corresponding to around 18 million ha (Hassan ...Brazil, an area of 500,000 ha of sugarcane has been treated with Trichogramma ... See full document

... Observed by SEM (Fig. 2) the spores are verrucate-tuberculate on the proximal face. Single or fused ridges are seen on the distal face. On ridge surfaces, the micro-ornamentation is verrucate-tuberculate, similar to that ... See full document

... coleoptiles, followed by the primary root, which is ephemeral. The rhizome originates from the mesocotyl and it promotes the vascular connection between the roots, leaves and scapes. The continuity of the tissues is ... See full document