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Wyszukujesz frazę "Mosquito" wg kryterium: Temat


Wyświetlanie 1-6 z 6
Tytuł:
Mosquito fauna and perspectives for intergrated control of urban vector-mosquito populations in Southern Benin [West Africa]
Autorzy:
Lingenfelser, A
Rydzanicz, K.
Kaiser, A.
Becker, N.
Powiązania:
https://bibliotekanauki.pl/articles/51015.pdf
Data publikacji:
2010
Wydawca:
Instytut Medycyny Wsi
Tematy:
biological control agent
mosquito
larva
mosquito fauna
integrated control
disease vector
malaria
species composition
Benin
Africa
mosquito control
Bacillus thuringiensis
Bacillus sphaericus
microbial insecticide
microbial larvicide
Źródło:
Annals of Agricultural and Environmental Medicine; 2010, 17, 1; 49-57
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integrated methods of mosquito control in Wroclaw area
Autorzy:
Rydzanicz, K.
Kosierb, J.
Lonc, E.
Markiewicz, M.
Puzio, A.
Wegner, E.
Powiązania:
https://bibliotekanauki.pl/articles/836945.pdf
Data publikacji:
1999
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
catastrophic flood
control
mosquito
Wroclaw area
larva
Odra River
Źródło:
Annals of Parasitology; 1999, 45, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of mosquito larvae with TMOF and 60 kDa Cry4Aa expressed in Pichia pastoris
Autorzy:
Borovsky, D.
Nauwelaers, S.
Van Mileghem, A.
Meyvis, Y.
Laeremans, A.
Theunis, C.
Bertier, L.
Boons, E.
Powiązania:
https://bibliotekanauki.pl/articles/55188.pdf
Data publikacji:
2011
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
mosquito
mosquito control
larva
Pichia pastoris
genetic engineering
biological control
Cry4Aa 678 fragment
human disease
malaria
insecticide
trypsin modulating oostatic factor
Bacillus thuringiensis ssp.israelensis
Cry toxin
Opis:
Cry4Aa 678 amino acids fragment (60 kDa) was cloned into Escherichia coli. After induction with IPTG the 60 kDa Cry4Aa fragment was purified by Ni chromatography, separated by SDS PAGE and identified by mass spectrometry (MS/MS). The 60 kDa Cry4Aa fragment exhibited high toxicity towards Ae. aegypti larvae. The earlier results [1] show that Pichia pastoris yeast cells expressing tmfA (synthetic gene coding for the Trypsin Modulating Oostatic Factor of Ae. aegypti) together with E. coli cells expressing Bti toxin genes (cry4Aa, cry11Aa, cyt1Aa and p20) are synergistic. Therefore, P. pastoris, which synthesizes high amounts of heterologous proteins was genetically engineered to produce TMOF and Cry4Aa. Codon-optimized synthetic genes, cry4Aa-tmfA, gst-cry4Aa-tmfA, tmfA and gfptmfA that were expressed by P. pastoris and fed to Ae. aegypti larvae caused 90% mortality. GST (glutathione-S-transferase) enhanced the activity of Cry4Aa-TMOF and protected it from heat denaturation and GFP (Green Fluorescent Protein)- TMOF allowed us to follow yeast cells consumption by individual larva using fluorescent microscopy. This report shows for the first time that 60 kDa Cry4Aa and TMOF expressed together in P. pastoris are highly toxic to Ae. aegypti larvae.
Źródło:
Pestycydy; 2011, 1-4
0208-8703
Pojawia się w:
Pestycydy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Binding of Aedes aegypti trypsin modulating oostatic factor [Aea-TMOF] to its receptor stimulates phosphorylation and protease processing of gut-membrane proteins
Autorzy:
Borovsky, D.
Hamdaoui, A.
Powiązania:
https://bibliotekanauki.pl/articles/55079.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
protease processing
Aedes aegypti
electrophoresis
trypsin modulating oostatic factor
phosphorylation
mosquito
insect
larva
gut-membrane protein
fluorography
gut receptor
Opis:
The binding of TMOF to its gut receptor was followed by incubating guts removed from male and female Aedes aegypti. TMOF at physiological concentrations, in the presence of [γ32P]ATP, causes phosphorylation and release of gut-membrane protein (45 kDa) that is further processed by proteolysis. In the presence of protease inhibitors only the 45 kDa protein was released. The phosphorylation and processing of the 45 kDa protein does not happen in the absence of TMOF. Both larvae and adult guts release the protein in the presence of TMOF. Male Ae. aegypti do not synthesize trypsin in their gut and do not release the 45 kDa protein in the presence of TMOF because a TMOF receptor is probably absent. Homogenized guts do not release the 45 kDa protein, indicating that the protease processing or the ecto-protein kinase activity is probably reduced after breaking the tissue. The 45 kDa phosphorylated protein can be dephosphorylated by alkaline phosphatase and protein phosphatase, indicating that the phosphate group is covalently linked to either a serine or a tyrosine moiety. This is the first report that shows that in insects, binding of a peptide hormone activates its receptor by proteolysis.
Źródło:
Pestycydy; 2008, 1-2; 13-25
0208-8703
Pojawia się w:
Pestycydy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
What is percentage of pathogenic borreliae in spirochaetal findings of mosquito larvae?
Autorzy:
Nejedla, P
Norek, A.
Vostal, K.
Zakovska, A.
Powiązania:
https://bibliotekanauki.pl/articles/51950.pdf
Data publikacji:
2009
Wydawca:
Instytut Medycyny Wsi
Tematy:
mosquito
larva
Culex
spirochaete
polymerase chain reaction
Borrelia burgdorferi
Culex pipiens
human disease
tick
Ixodes ricinus
midgut
Czech Republic
Źródło:
Annals of Agricultural and Environmental Medicine; 2009, 16, 2; 273-276
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of Aedes aegypti larvae with Aea-TMOF mimics: aromatic derivatives of enoic acid
Autorzy:
Borovsky, D.
Powiązania:
https://bibliotekanauki.pl/articles/55331.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
insecticide
insect growth inhibition
enoic acid
Aedes aegypti
bioorganic insecticide
trypsin biosynthesis
trypsin modulating oostatic factor
mosquito
insect
organic mimics
larva
gut receptor
Opis:
Based on the 3D conformation of the N-terminus of TMOF in solution, six aromatic derivatives of enoic acid: 7-biphenyl-4-yl-hept-4-enoic acid (BPHE), 7-(4-butyl-phenyl)-hept-4-enoic acid (BuPHE), 7-cyclohexyl-hept-4-enoic acid (CyHE), 10-phenyl-dec-7-enoic acid (PDE), 7-p-tolyl-hept-2-enoic acid ethyl ester (THEEE) and 7-(4-methoxy-phenyl)-hept-2-enoic acid ethyl ester (MPEEE) were computer-modeled and synthesized. Treating first instar Aedes aegypti larvae with different concentrations of the TMOF mimics showed that addition of butyl to the benzyl ring, use of p-tolyl or converting the benzyl ring into cyclohexane increased the biological activity of the mimics by 5.2, 5.0 and 3.8-fold, respectively. Esterifying the carboxyl terminus into ethyl ester and addition of a methoxy group to the benzyl ring also increased, by 2-fold, the biological activity of the derivative. The position of the double bond in the aliphatic chain is important for enhanced biological activity. Aea-TMOF and CyHE fed to mosquito larvae equally inhibited trypsin biosynthesis in larvae for the first 24 h. The biological activity of CyHE, however, rapidly declined 2-3 days later, whereas TMOF activity stayed stable. These results indicate that TMOF organic mimics, although potent, need to be formulated in order to be more stable for future field applications.
Źródło:
Pestycydy; 2008, 1-2; 27-34
0208-8703
Pojawia się w:
Pestycydy
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-6 z 6

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