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Species Diversity of Frugivorous Flies (Diptera: Tephritoidea) from Hosts in the Cerrado of the State of Mato Grosso do Sul, Brazil
Thirty-five fruit species were sampled in seven municipalities located in the cerrado of the state of Mato Grosso do Sul in a study to evaluate the infestation by frugivorous flies, and notogramma was the only genus of Otitidae obtained. Expand
Larval endoparasitoids (Hymenoptera) of frugivorous flies (Diptera, Tephritoidea) reared from fruits of the cerrado of the State of Mato Grosso do Sul , Brazil
A five years survey of endoparasitoids obtained from the larvae of frugivorous Tephritidae and Lonchaeidae flies in Brazil finds D. areolatus was the most abundant and frequent parasitoid of fruit fly species, as was L. anastrephae in Neosilba spp. Expand
Biodiversity of frugivorous flies (Diptera: Tephritoidea) captured in citrus groves, Mato Grosso do Sul, Brazil
The Mediterranean Fruit Fly, C. capitata, was the most abundant and frequent, being the dominant species in the groves of both municipalities. Expand
Populational fluctuation of frugivorous flies (Diptera: Tephritoidea) in two orange groves in the State of Mato Grosso do Sul, Brazil
There was no correlation between adult frugivorous flies caught in the traps and the number of larvae and adult flies reared from the infested oranges collected in the groves. Expand
Packaging cells for avian leukosis virus-based vectors with various host ranges.
Using the previously described Haydée semipackaging cell line, packaging cells with subgroups B, C, and E envelope specificities are constructed and Titers of the recombinant lacZ virus are shown to be dependent upon the type of the env subgroup and the target avian cell. Expand
Use of helper cells with two host ranges to generate high-titer retroviral vectors.
It is reported that lacZ retroviral vectors of subgroups C or E can infect helper cells of subgroup A (Isolde) which are then able to produce high titers of lacZ recombinant viruses of sub group A. Expand
Improvement of avian leukosis virus (ALV)-based retrovirus vectors by using different cis-acting sequences from ALVs.
Production and expression of double-expression vectors which transduce both Neo(r) and lacZ genes and are based on the structure of avian leukosis virus were enhanced by using cis-acting sequences from Rous-associated virus-1 and Rous’ associated virus-2 rather than those ofAvian erythroblastosis virus previously used in constructs. Expand
In situ expression of helper-free avian leukosis virus (ALV)-based retrovirus vectors in early chick embryos.
- J. Thomas, M. Afanassieff, +7 authors G. Verdier
- Biology, Medicine
- The International journal of developmental…
- 1 June 1992
A low efficiency of in vitro infection in early stages of embryonic development is demonstrated and the chronological analysis of the marker gene expression in terms of location of expression foci and sizes of these foci, lead to hypothesize the putative regulation of retrovirus expression linked to embryonic development. Expand
Patterns of integration and expression of retroviral, non-replicative vectors in avian embryos: embryo developmental stage and virus subgroup envelope modulate tissue-tropism.
- T. Jaffredo, R. Molina, +4 authors F. Dieterlen‐Lièvre
- Biology, Medicine
- Cell adhesion and communication
- 1 September 1993
Cardiomyocytes are at E3 the major target for integration and expression of ALV-derived viruses in vivo; targets change rapidly with embryonic age; and tissue-specific infections depend on the envelope subgroup, thus presumably on the presence of the cognate receptor. Expand
Influence of expression and cis-acting sequences from avian leukosis viruses (ALVs) on stability of (ALV)-based retrovirus vectors.
- R. Molina, Y. Chebloune, G. Verdier, C. Legras
- Biology, Medicine
- Comptes rendus de l'Academie des sciences. Serie…
- 1 May 1995
Results suggest a correlation between the stability of proviral gene expression and the level of gene expression driven by the LTR elements and depending on the strain origin of these. Expand