[PDF] Top 20 Genet. Mol. Biol. - vol.23 número1

... Similar to those described by Yamamoto (1983), our re- sults on the NaCl effect on K m and V max values of Mugil sp., 35 and 39 SNS individuals, indicate that this salt behaves as a co[r] ... See full document

... In Anura, multivalent meiotic configurations formed by homologous chromosomes have been described in some polyploid species (Beçak et al., 1966, 1967, 1970; Schmid et al., 1985), but ter[r] ... See full document

... To screen for monosomy X in spontaneous fetal losses we explored a simple molecular strategy based on loss of heterozygosity at highly polymorphic X-linked loci.. We developed a multiple[r] ... See full document

... Twenty-five Brazilian soybean cultivars were studied for susceptibility to four strains of Agrobacterium tumefaciens (C58, Ach5, Bo542 and A281) and for their ability to produce somatic [r] ... See full document

... Since five acces- sions phenotypically similar to Ponkan mandarins were differentiated by RAPD, this procedure represents a pow- erful tool which can be used to evaluate the genetic dive[r] ... See full document

... We investigated the transcript expression pattern of the myo- genic factor MyoD in whole chicken embryos in in situ hy- bridization analysis using a probe obtained by the reverse tran- s[r] ... See full document

... The detection of NORs in a single chromosome pair agreed with previous data obtained by silver nitrate and GC-specific fluorochrome staining (Margarido and Galetti Jr., 1996; Almeida-Tol[r] ... See full document

... The Arabica coffee bean cultivar “Laurina” has half the content (0.6%) of caffeine found in other Coffea arabica cultivars (1.2%) (Carvalho et al., 1965), and dif- fers from the latter i[r] ... See full document

... Considerable loss of transferrin genetic variability was detected in stocks of tambaqui cultivated in five dif- ferent hatcheries from the northeastern (Pentecoste, Pacatuba, Betume and [r] ... See full document

... This suggests that the capacity of an individual to evaluate aggregated related- ness value of another conspecific individual does not de- pend on the ability to measure genetic locus va[r] ... See full document

... Africanized honey bees (Apis mellifera L.) are more efficient at removing worker brood artificially infested with the parasitic mite Varroa jacobsoni Oudemans than are Italian bees or It[r] ... See full document

... In this study, we used esterase profiles to examine the hybridization between species of Melipona (Melipona scutellaris from the Diamantina Plateau in the State of Bahia and M. capixaba [r] ... See full document

... We studied the variation in heterochro- matic block markings in metaphase chromosomes to de- termine the heterochromatic patterns in the Manaus and Macapá populations of these species.. [r] ... See full document

... Isogenic strains, with or without dsRNA, were submitted to virulence tests against the whitefly Bemisia tabaci strain B.. In contrast to findings for some phytopathogenic fungi, these ds[r] ... See full document

... Nuclear image analysis of Feulgen-stained V79 fibroblasts after three days in culture was used to discriminate apoptotic cells and cells suspected to be undergoing apoptosis from control[r] ... See full document

... Despite the large standard deviation of the data (Table I) statistical analyses indicated that the cyclophosphamide dose of 16 mg/kg body weight and a vinblastine sulfate dose of 8 mg/kg[r] ... See full document

... We have developed a new method for testing substances that affect fungal stability using a duplication strain of Aspergillus nidulans and circular statistics for data analysis.. The fung[r] ... See full document

... In conclusion, stromal cell precursors are present in human umbilical cord blood, but occur at lower num- bers than in bone marrow and may be at a different stage of differentiation.. De[r] ... See full document

... Libert, F., Cochaux, P., Beckman, G., Samson, M., Aksenova, M., Cao, A., Czeizel, A., Claustres, M., de la Rua, C., Ferrari, M., Ferrec, C., Glover, G., Grinde, B., Guran, S., Kucinskas, V., Lavinha, J., Mercier, B., ... See full document

... The availability of DNA probes for specific regions of human chromosomes (5q31, 10q22, 13q32-33 and 19q13.1) led us to cross-hybridize these to chimpanzee (Pan troglodytes, PTR), gorilla[r] ... See full document