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Characterization and transcriptional analysis of the gene cluster for coronafacic acid, the polyketide component of the phytotoxin coronatine
(American Society for Microbiology, 1995-11)
Coronafacic acid (CFA), the polyketide component of the phytotoxin coronatine (COR), is activated and coupled to coronamic acid via amide bond formation, a biosynthetic step presumably catalyzed by the CFA ligase (cfl) ...
Eu-doped CaF2 grown on Si(100) substrates by molecular beam epitaxy
(AIP Publishing, 1995-09-25)
Eu is incorporated into CaF2 films grown on Si(100) by molecular beam epitaxy using elemental Eu evaporation. Eu doping as high as 4.05 at. % does not significantly degrade the surface morphology, indicating a relatively ...
Impact of variations in temperature on early Plasmodium falciparum development in Anopheles stephensi
(Cambridge University Press (CUP), 1995)
Expression of the strA-strB streptomycin resistance genes in Pseudomonas syringae and Xanthomonas campestris and characterization of IS6100 in X. campestris
(American Society for Microbiology, 1995-08)
Expression of the strA-strB streptomycin resistance (Sm^r) genes was examined in Pseudomonas syringae pv. syringae and Xanthomonas campestris pv. vesicatoria. The strA-strB genes in P. syringae and X. campestris were encoded ...
Time domain terahertz impulse ranging studies
(AIP Publishing, 1995-10-02)
We present time domain impulse scattering measurements of freely propagating terahertz radiation measured with subpicosecond resolution. This fast time response corresponds to a usable bandwidth of over I THz. Measured ...
Pesticide productivity: What are the trends?
(Cambridge University Press, 1995-07)
Obtaining estimates of pesticide productivity is an economic response to the growing public concern about the steady increase of pesticide use in the United States. This type of research indicates the cost of limiting ...
Immunological factor that affects Anopheles gambiae survival
(The American Mosquito Control Association, 1995)
High titers of antibodies against Anopheles gambiae midguts were produced in New Zealand rabbits to identify midgut targets for an antimosquito vaccine. The serum from one of 8 rabbits (designated R2B6) killed 71.6% (Abbott's ...
Continuous culture model to examine factors that affect transduction among Pseudomonas aeruginosa strains in freshwater environments
(American Society for Microbiology, 1995-09)
Transduction among Pseudomonas aeruginosa strains was observed in continuous cultures operated under environmentally relevant generation times, cell densities, and phage-to-bacterium ratios, suggesting its importance as a ...
Effects of suspended particulates on the frequency of transduction among Pseudomonas aeruginosa in a freshwater environment
(American Society for Microbiology, 1995-04)
Transduction has been shown to play a significant role in the transfer of plasmid and chromosomal DNA in aquatic ecosystems. Such ecosystems contain a multitude of environmental factors, any one of which may influence the ...
Low temperature epitaxial silicon film growth using high vacuum electron-cyclotron-resonance plasma deposition
(AIP Publishing, 1995-05-08)
We report on the growth technique and electrical properties of epitaxial Si films grown at low temperatures using an electron‐cyclotron‐resonance plasma deposition technique. We have used standard high vacuum apparatus to ...