667 resultados para AMP ligases
Resumo:
Traps are widely employed for sampling and monitoring mosquito populations for surveillance, ecological and fauna studies. Considering the importance of assessing other technologies for sampling mosquitoes, we addressed the effectiveness of Mosquito Magnet® Independence (MMI) in comparison with those of the CDC trap with CO2 and Lurex3® (CDC-A) and the CDC light trap (CDC-LT). Field collections were performed in a rural area within the Atlantic Forest biome, southeastern state of São Paulo, Brazil. The MMI sampled 53.84% of the total number of mosquitoes, the CDC-A (26.43%) and CDC-LT (19.73%). Results of the Pearson chi-squared test (χ2) showed a positive association between CDC-LT and species of Culicini and Uranotaeniini tribes. Additionally, our results suggested a positive association between CDC-A and representatives of the Culicini and Aedini tribes, whereas the MMI was positively associated with the Mansoniini and Sabethini as well as with Anophelinae species. The MMI sampled a greater proportion (78.27%) of individuals of Anopheles than either the CDC-LT (0.82%) or the CDC-A traps (20.91%). Results of the present study showed that MMI performed better than CDC-LT or CDC-A in sampling mosquitoes in large numbers, medically important species and assessing diversity parameters in rural southeastern Atlantic Forest.
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We present here three expression plasmids for Trypanosoma cruzi adapted to the Gateway® recombination cloning system. Two of these plasmids were designed to express trypanosomal proteins fused to a double tag for tandem affinity purification (TAPtag). The TAPtag and Gateway® cassette were introduced into an episomal (pTEX) and an integrative (pTREX) plasmid. Both plasmids were assayed by introducing green fluorescent protein (GFP) by recombination and the integrity of the double-tagged protein was determined by western blotting and immunofluorescence microscopy. The third Gateway adapted vector assayed was the inducible pTcINDEX. When tested with GFP, pTcINDEX-GW showed a good response to tetracycline, being less leaky than its precursor (pTcINDEX).
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ABSTRACT The interorganizational cooperation, through joint efforts with various actors, allows the high-tech companies to complement resources, especially in R&D projects. Collaborative projects have been identified in many studies as an important strategy to produce complex products and services in uncertain and competitive environments. Thus, this research aims at deepening the understanding of how the development dynamics of a collaborative R&D project in an industry of high technology occur. In order to achieve the proposed objective, the R&D project of the first microcontroller in the Brazilian semiconductor industry was defined as the object of analysis. The empirical choice is justified by the uniqueness of the case, besides bringing a diversity of actors and a level of complementarity of resources that were significant to the success of the project. Given the motivation to know who the actors were and what the main forms of interorganizational coordination were used in this project, interviews were carried out and a questionnaire was also made, besides other documents related to the project. The results presented show a network of nine actors and their roles in the interorganizational collaboration process, as well as the forms of social and temporal overlapping, used in the coordination of collective efforts. Focusing on the mechanisms of temporal and social integration highlighted throughout the study, the inclusion of R&D projects in the typology for interorganizational projects is proposed in this paper, which was also proposed by Jones and Lichtenstein (2008).
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O artigo visa a apresentar o processo de construção e validação do Índice de Qualidade de Vida de Ferrans & Powers - Versão Feridas (IQVFP-VF) para emprego em pessoas com feridas agudas e crônicas de diferentes etiologias. O estudo metodológico desenvolveu-se por meio de procedimentos teóricos, empíricos e analíticos. Os resultados indicaram que o instrumento possui consistência interna e estabilidade satisfatórias; confirmaram a validade de conteúdo, concorrente (com o item sua satisfação) e convergente (com o WHOQOL-breve), bem como sua capacidade de discriminar os indivíduos conforme o número e duração das feridas, intensidade de dor e idade. A análise fatorial confirmatória mostrou que o instrumento manteve-se razoavelmente ajustado ao modelo original. Em conclusão, pode-se considerar que o IQVFP-VF é válido e tem confiabilidade atestada nos aspectos mais importantes da Qualidade de Vida para a população com feridas - geral, saúde e aspectos psicológicos e espirituais.
Resumo:
Polietina Schnabl & Dziedzicki, 1911 (Diptera, Muscidae) is a New World genus of Muscini, which comprises 18 species. The male of P. major Albuquerque, 1956 and the female of P. wulpi Couri & Carvalho, 1997 are herein described and illustrated for the first time. New geographical localities are recorded for both species.
Resumo:
Systaltocerus platyrhinus Labram & Imhoff, 1840: redescriptions and considerations about the synonymy with Homalorhamphus vestitus Haedo Rossi & Viana, 1957 (Coleoptera, Anthribidae, Anthribinae). The genus Systaltocerus Labram & Imhoff, 1840 and the species S. platyrhinus Labram & Imhoff, 1840 (type species), are redescribed. Illustrations of the mouth pieces, endosternites, wing venation, male and female terminalia, and rectal plates, are given for the first time. New data on geographic distribution are also presented. Nomenclatural changes introduced: Systaltocerus Labram & Imhoff, 1840 = Homalorhamphus Haedo Rossi & Viana, 1957 syn. nov.; Systaltocerus platyrhinus Labram & Imhoff, 1840 = Homalorhamphus vestitus Haedo Rossi & Viana, 1957 syn. nov.
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New species and revalidation in Hippopsis Lepeletier & Audinet-Serville, 1825 (Cerambycidae, Lamiinae, Agapanthini). New species described: H. arriagadai from Paraguay; H. bivittata from Peru; H. nigroapicalis from Ecuador; H. brevicollis from Brazil (Minas Gerais) and H. tibialis from Brazil (São Paulo). H. freyi Breuning, 1955 is revalidated.
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The genus Anisocerus and the two species, A. scopifer (Germar, 1824) and A. stellatus Guérin-Ménéville, 1855, are redescribed and illustrated. A new synonym is proposed: A. stellatus Guérin-Méneville, 1855 = A. onca White, 1855 syn. nov. The two species are redescribed and illustrated.
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Trichogramma atopovirilia Oatman & Platner is an egg parasitoid of the corn earworm Helicoverpa zea (Boddie) (Lepidoptera, Noctuidae), and has recently been collected from eggs of Anticarsia gemmatalis Hübner on soybeans. In order to evaluate the suitability of A. gemmatalis eggs as hosts of T. atopovirilia, field surveys were conducted in 1999 and 2000 on corn and soybeans, and a colony of the parasitoid was established in laboratory. At 25 ºC, development from oviposition to emergence lasted nine days and a sex-ratio of 0.58 (females:males) was obtained. Females lived significantly longer (11.4 days) when kept in ovipositional activity, than in the absence of host eggs (6.6 days). Total fecundity averaged 104.5 parasitized eggs, resulting in the emergence of 138.3 descendents. Mean daily fecundity was highest (30 eggs/female) on the first day. Oviposition continued until one day before the death of the females, however 70% of the eggs were laid during the first four days after emergence. A female-biased progeny was produced during the first three days of oviposition, whereas further ovipositions were male-biased. Females lived significantly longer when exposed to host eggs in comparison to females deprived of eggs. The results show that eggs of A. gemmatalis are suitable for the development of T. atopovirilia, and this parasitoid should be considered in future programs of biological control of the velvetbean caterpillar.
Resumo:
The parasitism behavior of Trichogramma atopovirilia and T. pretiosum in Spodoptera frugiperda eggs was evaluated focusing on the features related to the associative learning (alpha conditioning) and recognition of the egg parasitized by the female after the first oviposition experience. Females of both species were observed to recognize the parasitized egg, which takes place after the female drills into the host egg. Following oviposition, 43.59% and 67.53 of females began to feed with an average feeding time of 73.26 ± 11.57 and 64.04 ± 7.05 seconds for T. atopovirilia and T. pretiosum, respectively. The time elapsed in each step of the parasitism behavior significantly decreased after the first oviposition experience, with a trend to stabilize after the 2nd or 3rd egg parasitized, indicating associative learning in these Trichogramma species.
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The females of Gypona gilba and Reticana vittata are described and illustrated based on specimens from Rio Grandedo Sul, Brazil.
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The following new species are described in the subgenus Bisaltes (Bisaltes): B. (B.) picticornis sp. nov. from Bolivia; B.(B.) taua sp. nov. from Brazil (Paraná and Santa Catarina) and B. (B.) unicolor sp. nov. from Ecuador. Bisaltes (B.) pictus Breuning, 1940 is transferred to the subgenus Craspedocerus. In Ptericoptus, P. hybridus hybridus Breuning, 1939 is considered a synonym of P. acuminatus (Fabricius, 1801); P. dorsalis Audinet-Serville, 1835 previously in the synonymy of P. acuminatus is revalidated and Saperda vitta Newman, 1838 is considered its synonym; P. corumbaensis sp. nov. is described from Brazil (Mato Grosso do Sul).
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P. nigrilabris was described based on specimens wrongly labelled as from "Salvador-BA, Brasil". It is considered as a new synonym: Partamona nigrior (Cockerell, 1925) = P. nigrilabris Pedro & Camargo, 2003, syn. nov.
Resumo:
The type material of three species of Polietina Schnabl & Dziedzicki, 1911 was examined. Polietina flavidicincta (Stein, 1904) is redescribed and a lectotype is designated; P. stellata (Couri, 1982) is considered junior synonym of P. flavithorax (Stein, 1904), and for the latter a lectotype is designated. The neotype previously designated is considered invalid.