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URVILLEA PAUCIDENTATA Y SERJANIA ADENOPHYLLA (SAPINDACEAE), DOS ESPECIES NUEVAS DE MATO GROSSO, BRASIL
María Silvia Ferrucci
Bonplandia , 2010,
Abstract: Dos nuevas especies de Sapindaceae-Paullinieae se describen, se discuten e ilustran, Urvillea paucidentata Ferrucci y Serjania adenophylla Ferrucci, ambas de Mato Grosso, Brasil.
Behavioral and enzymatic bioassays with Serjania erecta Radlk., Sapindaceae, correlated with cognitive dysfunctions
Broggini, Luciana S. C.;Fernandes, Renata S.;Nogueira, Thiago;Suzano, Fernanda R.;Caetano, Ariadiny L.;Buck, Hudson S.;Couto, Lucelio B.;Fran?a, Suzelei C.;Pereira, Paulo S;
Revista Brasileira de Farmacognosia , 2010, DOI: 10.1590/S0102-695X2010000400010
Abstract: the purpose of this study was to investigate the crude extract of serjania erecta radlk., sapindaceae, and its bioactive agents as preventive or inhibitor of memory loss in rodents, as well as other factors correlated with alzheimer's syndrome: antioxidant and anticholinesterase activity, mainly as plant adaptogen - low toxicity and regulation action. the blocking cholinergic reversion activity (scopolamine) in the test of the passive avoidance was detected by measuring latency in young and adult animals. it presented low toxicity, with protective effect as shown by biochemical analysis (hypoglycemic/hypotriglyceridemic). elevated levels (above 83%) of antioxidant activity were detected. ache and buche inhibition were also detected in the chromatographic fractions, which were active both orally and directly on cns (icv).
UNA NUEVA ESPECIE DE SERJANIA (SAPINDACEAE)
María Silvia Ferrucci,Genise V. Somner
Bonplandia , 2010,
Abstract: Una nueva especie de Serjania de Brasil, Bahia, S.coradinii sí describir e Ilustra. El Fruto presenta una característica no reconocida antes en el género, la porción proximal hinchada del lóculo está ocupada por un cuerpo reniforme parenquimatos que rodea a la prolongación de la pared del tabique. La semilla se encuentra en la porción distal complanada del lóculo. Desde las doce secciones propuestas para el género, S.coradinii podria colocarse temporalmente en la sección Ceratococcus Radlk., hasta que alguna revisión de Serjania permita evaluar la estructura especial del lóculo
NOVEDADES EN SERJANIA (SAPINDACEAE)
María Silvia Ferrucci
Bonplandia , 2010,
Abstract: En este trabajo dos nuevas especies de Serjania Mill. se describen e ilustran, S.hatschbachii nov. sp. (Brasil) y S. tripleuria nov. sp. ( Bolivia y NO argentino). Además de las tres especies, S.areolata Radlk., S.confertiflora Raldk., y S.suffermginea Radlk., Se informó por primera vez para la flora argentina
CARIOTIPOS DE ESPECIES SUDAMERICANAS DE SERJANIA (SAPINDACEAE, PAULLINIEAE)
Viviana G. Solis Neffa,María Silvia Ferrucci
Bonplandia , 2010,
Abstract: Se han estudiado los cromosomas mitóticos de quince especies de Serjania Mill., con 2n = 24, de América del Sur. Los resultados incluyen los primeros recuentos de S. paludosa Cambess. y S. setigera Radlk. Fueron analizados los cariotipos de todas las especies, trece de ellos se describen por primera vez. Aunque no ha habido ningún cambio en el número de cromosomas durante la evolución de Serjania y los cariotipos muestran un moderado grado de asimetría, hay una considerable variabilidad en tama o de los cromosomas entre las especies. El análisis comparativo de las especies de la misma sección muestra diferencias en la longitud de los cromosomas y la constitución cariotípica. Esto fue también evidente en las dos accesiones de S. laruotteana Cambess. y S. meridionalis Cambess. La variabilidad cariotípica observada en Serjania sería el resultado de reordenamientos cromosómicos estructurales y/o la adición de material genético.
NOVEDADES EN HOUSSAYANTHUS Y SERJANIA (SAPINDACEAE)
María Silvia Ferrucci
Bonplandia , 2010,
Abstract: Sobre la base de Urvillea sparrei Barkl, el combiriation nueva Houssayanthus sparrei (Barkl.) Ferrucci se establece, y su taxonomía es discutida en relación con las otras especies del género: H.macrolophus (Radlk.) Hunzik. y H.fiebrigii (Barkl.) Hunzik.Cromosoma. número de H.sparrei se informa (12 II). Un nuevo nombre, Serjania herteri Ferrucci se propone para S.australis (St. Hil.) Herter no Spreng.
Antileishmanial and trypanocidal activity of Brazilian Cerrado plants
Mesquita, Mariana Laundry de;Desrivot, Julie;Bories,;Fournet, Alain;Paula, José Elias de;Grellier, Philippe;Espindola, Laila Salmen;
Memórias do Instituto Oswaldo Cruz , 2005, DOI: 10.1590/S0074-02762005000700019
Abstract: the side effects and the emerging resistance to the available drugs against leishmaniasis and trypanosomiasis led to the urgent need for new therapeutic agents against these diseases. thirty one extracts of thirteen medicinal plants from the brazilian cerrado were therefore evaluated in vitro for their antiprotozoal activity against promastigotes of leishmania donovani, and amastigotes of trypanosoma cruzi. among the selected plants, casearia sylvestris var. lingua was the most active against both l. donovani and t. cruzi. fifteen extracts were active against promastigotes of l. donovani with concentrations inhibiting 50% of parasite growth (ic50) between 0.1-10 μg/ml, particularly those of annona crassiflora (annonaceae), himatanthus obovatus (apocynaceae), guarea kunthiana (meliaceae), cupania vernalis (sapindaceae), and serjania lethalis (sapindaceae). with regard to amastigotes of t. cruzi, extracts of a. crassiflora, duguetia furfuracea (annonaceae), and c. sylvestris var. lingua were active with ic50 values between 0.3-10 μg/ml. bioassay fractionations of the more active extracts are under progress to identify the active antiparasite compounds.
Patrones de venación floral en tres especies de Paullinieae (Sapindaceae) Floral venation patterns in three species of Sapindaceae-Paullinieae  [cached]
Stella M. Solís,María S. Ferrucci
Boletín de la Sociedad Argentina de Botánica , 2009,
Abstract: Se analizaron los patrones de venación floral en Cardiospermum grandiflorum, Urvillea chacoensis y Thinouia mucronata (Sapindaceae-Paullinieae). Estas especies son monoicas y la inflorescencia es un tirso que posee flores estaminadas y bisexuadas funcionalmente pistiladas. Cardiospermum grandiflorum y U. chacoensis pertenecen a la subtribu Paulliniinae, caracterizada por las flores oblicuamente zigomorfas; mientras T. mucronata pertenece a Thinouiinae, subtribu monotípica con flores actinomorfas. En las especies estudiadas el patrón de venación es similar en ambos tipos de flores, a partir de una sifonostela ectofloica central irradian trazas vasculares que inervan los verticilos periánticos, presentando el fenómeno de progresiva fusión y adnación. El tejido vascular que inerva los nectarios está representado por cordones de floema. En relación a la vascularización floral de estas especies, las diferencias en la venación se observan en las trazas de los complejos sépalo-petalar que irradian de la sifonostela ectofloica central; mientras el patrón de venación de los verticilos fértiles es común a todas ellas. La información obtenida apoya la posición basal de Thinouia en la tribu Paullinieae. The floral venation patterns of Cardiospermum grandiflorum, Urvillea chacoensis and Thinouia mucronata, are surveyed. These species are monoecious and the inflorescence is a thyrse carrying staminate and bisexual flowers funcionally pistillate. Cardiospermum grandiflorum and U. chacoensis belong to the subtribe Paulliniinae which is characterized by obliquely zygomorphic flowers, whereas T. mucronata belongs to the monotypic Thinouiinae which presents actinomorphic flowers. Vascular pattern is similar in both types of flowers of the studied species; from one ectofloic siphonostele depart vascular traces that supply the perianth whorls displaying phenomena of progressive fusion and adnation. Vascular tissue supplying the nectaries is characterized by strands of phloem. Regarding the floral vasculature in these species, differences in the vasculature lay primarily in the number of the sepal-petal complexes traces departing from the central ectophloic siphonostele; whereas the venation pattern of the fertile verticils is common to them. The data obtained support the basal position of Thinouia in the tribe Paullinieae.
Distributional patterns and possible origin of leafhoppers (Homoptera, Cicadellidae)
Nielson, Mervin W.;Knight, William J.;
Revista Brasileira de Zoologia , 2000, DOI: 10.1590/S0101-81752000000100010
Abstract: the zoogeographical distribution of 42 cicadellid subfamilies and their assigned tribes and genera is compiled with distributional maps and proposed dispersal pathways of genera that are shared interzoogeographically. possible origin of the subfamilies and tribes is proposed in an ancestral context from which the more modern extant groups evolved whereas origin of genera is in a more modern context. notwithstanding their complex biogeography, the distributional data of the higher groups indicate that all of the cosmopolitan and near cosmopolitan subfamilies arose during early cretaceous or possibly the late jurassic period (140-116 m.y.a.) when continental drift was in its early stages. nearly all of the new world and some old world subfamilies are considered of more recent origin (late cretaceous-tertiary). ninety percent of the known genera (2,126) are endemic to their respective zoogeographical region and subregion, thus indicating relatively high host specificity and low rate of dispersal. the majority (76%) of known extant genera are pantropical in origin, suggesting early or possible gondwanaland origin of their ancestors. dispersal pathways of genera shared by more than one zoogeographical region were generally south to north (neotropical/nearctic, oriental/palaearctic) or west to east (palaearctic/nearctic, oriental/australian), from regions of high diversity to regions of low diversity and from warmer climates to cooler climates. the most diverse and richest leafhopper fauna are present in the neotropical and ethiopian regions although taxal affinities between them are poorest. the most depauperate fauna are in the nearctic region and in australia, reflecting the impact of isolating and ecological factors on distribution and radiation. ecological barriers were more evident between the ethiopian and oriental fauna than between any other zoogeographical combination. taxal affinities appeared to be correlated with close continental proximities. vicariance (phy
Wood anatomy of lianas of sapindaceae commercially used in S o Paulo - SP  [PDF]
Neusa Tamaio
CERNE , 2011,
Abstract: We performed an anatomical survey of Sapindaceae species growing on the private property that supplies liana fragments to the Adere (Association for the Development and Recovery for the Intellectually Disabled), one of the major producer of art wood marquetry made from the lianas from Sao Paulo. Based on species identification, we carried out both morphological and microscopic analyses of the transversal section of lianas stems, with the aim of separating the species based on wood characters. Only one of the seven analyzed species had no cambial variant (Paullinia trigonia Vell.); the rest presented cambial variant of the compound vascular cylinder type. Also, the six remaining species belong to the following genera: Serjania (Serjania caracasana (Jacq.) Willd., Serjania lethalis A. St.-Hill., Serjania laruotteana Cambess., and Serjania multiflora Cambess.) These genera could be distinguished by pith configuration, arrangement and quantity of peripheral vascular cylinders, as well as two statistically significant quantitative features: the diameter and frequency of vessel elements. In this work, a key for species identification and illustrations are presented, in addition to comments about the extractivism carried out by Adere.
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