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  • 1
    Electronic Resource
    Electronic Resource
    Physical mapping of the genomic DNA of the Oryctes rhinoceros baculovirus, KI
    Amsterdam : Elsevier
    Gene 107 (1991), S. 343-344 
    Details
    ISSN: 0378-1119
    Keywords: Biological control ; insect pest ; restriction analysis ; viral biocide
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-1119(91)90338-C
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  • 2
    Electronic Resource
    Electronic Resource
    Differential transcription of multiple copies of a silk worm gene encoding tRNA"1^G^l^y
    Amsterdam : Elsevier
    Gene 134 (1993), S. 183-190 
    Details
    ISSN: 0378-1119
    Keywords: Bombyx mori ; RNA polymerase III transcription ; gene family ; negative regulation ; positive regulation ; regulatory elements ; tissue specificity ; transcription factors ; transcription regulation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-1119(93)90092-H
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  • 3
    Electronic Resource
    Electronic Resource
    Determination of trace amounts of 5-methylcytosine in DNA by reverse-phase high-performance liquid chromatography
    Amsterdam : Elsevier
    Analytical Biochemistry 164 (1987), S. 164-169 
    Details
    ISSN: 0003-2697
    Keywords: 5-methylcytosine ; Bombyx mori ; Drosophila melanogaster ; HPLC techniques ; trace analysis
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0003-2697(87)90381-2
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  • 4
    Electronic Resource
    Electronic Resource
    Biological control of Rhizoctonia sp. root rot of Casuarina equisetifolia seedlings by Frankia spp. strains (1995)
    Springer
    Biology and fertility of soils 20 (1995), S. 221-225 
    Details
    ISSN: 1432-0789
    Keywords: Biological control ; Rhizoctonia solani ; Frankia spp ; strains ; Seed coating ; Soil broadcasting ; Disease protection ; Nodule production
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Seventy Frankia spp. strains (nodulating N2-fixing actinomycetes) were isolated from root nodules of Casuarina equisetifolia from different localities of Tamil Nadu state, India. From these, four strains (UMCe12, UMCe23, UMCe35, and UMce55) were selected. Their potential use as biological control agents for Rhizoctonia solani root rot disease of C. equisetifolia seedlings and their relative efficiency in nodule production were investigated. Between the two inoculum broadcast systems tested, seed-coating with Frankia spp. cell suspension was superior to the soil application of cells as sand-vermiculite-basal ammonium propionate inoculum. UMCe12 was the promising strain, offering the highest level of disease protection (81.1%) and nodule production (88.1%) in the R. solani-infested soil, followed by UMCe23 (60.3 and 65.5% of disease protection and nodule production, respectively), UMCe55 (53.5 and 58.2%), and UMCe35 (45.4 and 44.5%). Further, a significant positive correlation was observed between the dose of Frankia spp. and efficiency in both disease control and nodule production.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00336081
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  • 5
    Electronic Resource
    Electronic Resource
    Requirement for calcium ions in mycobacteriophage I3 DNA injection and propagation (1980)
    Springer
    Archives of microbiology 124 (1980), S. 249-254 
    Details
    ISSN: 1432-072X
    Keywords: Calcium ions ; Phage propagation ; Phage DNA injection ; Mycobacteriophage 13
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Ca2+ ions are absolutely necessary for the propagation of mycobacteriophage I3 in synthetic medium. These ions are required for successful infection of the host and during the entire span of the intracellular development of the phage. A direct assay of the phage DNA injection using 32[P] labelled phage, showns that Ca2+ ions are necessary for the injection process. The injection itself is a slow process and takes 15 min to complete at 37°C. The bacteria infected in presence of Ca2+ tend to abort if the ions are subsequently withdrawn from the growth medium. The effect of calcium withdrawal is maximally felt during the early part of the latent period; however, later supplementation of Ca2+ ions salvage phage production and the mature phage progeny appear after a delayed interval, proportional to the time of addition of Ca2+.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00427734
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  • 6
    Electronic Resource
    Electronic Resource
    Localization of calcium in murine epidermis following disruption and repair of the permeability barrier (1992)
    Springer
    Cell & tissue research 270 (1992), S. 503-512 
    Details
    ISSN: 1432-0878
    Keywords: Epidermis ; Permeability ; Calcium ions ; Ionic localization ; Mouse (hr/hr)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Perturbation of the cutaneous permeability barrier results in rapid secretion of epidermal lamellar bodies, and synthesis and secretion of new lamellar bodies leading to barrier repair. Since external Ca2+ significantly impedes the repair response, we applied ion capture cytochemistry to localize Ca2+ in murine epidermis following barrier disruption. In controls, the numbers of Ca2+ precipitates in the basal layer were small, increasing suprabasally and reaching the highest density in the stratum granulosum. Barrier disruption with acetone produced an immediate, marked decrease in Ca2+ in the stratum granulosum, accompanied by secretion of lamellar bodies. Loss of this pattern of Ca2+ distribution was associated with the appearance of large Ca2+ aggregates within the intercellular spaces of the stratum corneum. The Ca2+-containing precipitates progressively reappeared in parallel with barrier recovery over 24 h. Disruption of the barrier with tape stripping also resulted in loss of Ca2+ from the nucleated layers of the epidermis, but small foci persisted where the stratum corneum was not removed; in these sites the Ca2+ distribution did not change and accelerated secretion of lamellar bodies was not observed. Following acetone-induced barrier disruption and immersion in isoosmolar sucrose, the epidermal Ca2+ gradient did not return, and both lamellar body secretion and barrier recovery occurred. However, with immersion in isoosmolar sucrose plus Ca2+, the epidermal Ca2+ reservoir was replenished, and both secretion of lamellar bodies and barrier recovery were impeded. These results demonstrate that barrier disruption results in loss of the epidermal Ca2+ reservoir, which may be the signal that initiates lamellar body secretion leading to barrier repair.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00645052
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