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  • Pinus ponderosa  (4)
  • RNA  (4)
  • Springer  (8)
  • EDP Sciences
  • 2005-2009
  • 1980-1984  (8)
  • 1965-1969
  • 2008
  • 2007
  • 1980  (8)
Collection
Keywords
Publisher
  • Springer  (8)
  • EDP Sciences
Years
  • 2005-2009
  • 1980-1984  (8)
  • 1965-1969
Year
  • 1
    Electronic Resource
    Electronic Resource
    Characterisation of the storage protein subunits synthesised in vitro by polyribosomes and RNA from developing pea (Pisum sativum L.) (1980)
    Springer
    Planta 148 (1980), S. 49-56 
    Details
    ISSN: 1432-2048
    Keywords: Legumin ; Pisum ; Protien synthesis ; RNA ; Storage protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Evidence is presented to show that legumin, the major storage protein in Pisum, is synthesised in vitro by the wheat germ and reticulocyte lysate systems, from polyribosomes and mRNA isolated from developing pea seeds. While legumin isolated from mature pea seeds consists of 40,000 and 20,000 MW subunits, the in vitro legumin is synthesised as a 60,000 MW precursor consisting of covalently linked 40,000 and 20,000 MW subunits. The implications of these findings are discussed in relationship to studies with other systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00385441
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  • 2
    Electronic Resource
    Electronic Resource
    RNase-sensitive DNA polymerase activity in cell fractions and mutants of Neurospora crassa (1980)
    Springer
    Biochemical genetics 18 (1980), S. 743-753 
    Details
    ISSN: 1573-4927
    Keywords: RNase-senitive DNA polymerase activity ; RNA ; DNA ; Neurospora crassa ; differential DNA polymerase activity ; cell fractions and mutants of N. crassa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract RNase-sensitive DNA polymerase activity (RSDP) was tested in different cell fractions of Neurospora crassa cell types and its morphological mutants. This RSDP was found localized in the microsomal pellet fraction and absent in the purified nuclear pellets isolated from different N. crassa cell types: conidia, germinated conidia, and mycelia. This enzyme is capable of synthesizing a DNA product only in the presence of all four deoxyribonucleoside-5′-triphosphates and Mg2+. Removal of RNA from the pellet fraction by RNase strongly inhibited the DNA synthesis. The endogenous synthesis of DNA in the microsomal pellet fraction was associated with the formation of an RNA:DNA hybrid as analyzed by Cs2SO4 equilibrium density gradient centrifugation. The DNA product after alkali hydrolysis hybridizes with the RNA isolated from the same pellet fraction, as analyzed by elution from hydroxylapatite column at 60 C. This DNA product did not hybridize with poly(A). A few mutants tested showed this RNase-sensitive DNA polymerase activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484590
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  • 3
    Electronic Resource
    Electronic Resource
    Interspecific inhibition of the response of the bark beetles,Dendroctonus brevicomis andIps paraconfusus, to their pheromones in the field (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 149-164 
    Details
    ISSN: 1573-1561
    Keywords: Dendroctonus brevicomis ; Ips paraconfusus ; Pinus ponderosa ; bark beetle ; exo-brevicomin ; frontalin ; myrcene ; verbenone ; trans-verbenol ; attractants ; inhibition ; pheromones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Ponderosa pine logs infested withIps paraconfusus males inhibited the attraction ofDendroctonus brevicomis in the field to either attractive logs cut from a ponderosa pine tree under attack byD. brevicomis or to their synthetic pheromones,exo-brevicomin, frontalin, and myrcene. Logs cut from trees under attack byD. brevicomis inhibited the response ofI. paraconfusus to logs infested with maleI. paraconfusus.Exo-brevicomin, frontalin, and myrcene did not inhibit their response but verbenone did. Verbenone was found in maleD. brevicomis dissected from attractive logs under attack during the same time the response ofI. paraconfusus was inhibited by these logs.Trans-verbenol andexo-brevicomin were found in femaleD. brevicomis while verbenone,trans-verbenol, and frontalin were found in maleD. brevicomis in relatively large amounts near the beginning of the aggregation phase of host colonization. All of these compounds had decreased at a similar rate 5 days later. This gradual decrease inexo-brevicomin and frontalin probably caused the observed reduction in attraction. The ecological significance of these compounds in relation to termination of the aggregation phase ofD. brevicomis and reduction of interspecific competition is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987534
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  • 4
    Electronic Resource
    Electronic Resource
    Nuclear and cytoplasmic RNA in visual cortical neurons of adult rats during visual deprivation and photic stimulation (1980)
    Springer
    Bulletin of experimental biology and medicine 90 (1980), S. 1455-1457 
    Details
    ISSN: 1573-8221
    Keywords: neuron ; glia ; RNA ; visual and motor cortex ; visual deprivation ; photic stimulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00838834
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  • 5
    Electronic Resource
    Electronic Resource
    Field responses of the western pine beetle1 and one of its predators to host- and beetle-produced compounds (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 625-641 
    Details
    ISSN: 1573-1561
    Keywords: Pinus ponderosa ; Dendroctonus brevicomis ; Temnochila chlorodia ; pheromone ; kairomone ; exo-bievicomm ; frontalin ; trans-ver-benol ; verbenone ; terpenes ; Coleoptera ; Scolytidae ; Trogositidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The responses of the western pine beetle (Dendroctonus brev-icomis LeConte) andTemnochila chlorodia (Mannerheim) to candidate attractants—exo- andendo-brevicomm, frontalin,trans-verbenol, ver-benone, and ponderosa pine turpentine and its major monoterpene components—were quantified by counts of beetles on traps baited with the various attractants, singly and in combinations released simultaneously. Combinations ofexo-brevicomin and frontalin plus a monoterpene or turpentine were the most attractive toD. brevicomis. The responses to these attractant combinations were reduced when verbenone plustrans-verbenol were present. All single compounds and binary mixtures, exceptexo-brevicomin plus frontalin, were much less attractive.exo-Brevicomin was most attractive toT. chlorodia, and this response appeared to decrease when verbenone plustrans-verbenol were present.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987674
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  • 6
    Electronic Resource
    Electronic Resource
    Pheromone production by the bark beetle,Ips paraconfusus, in the nonhost, white fir (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 979-987 
    Details
    ISSN: 1573-1561
    Keywords: Ips paraconfusus ; pheromones ; nonhost ; Abies concolor ; Pinus ponderosa ; ipsenol ; ipsdienol ; bark beetle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract MaleI. paraconfusus confined to artificial entrance tunnels in white fir logs produced the pheromone compounds ipsenol and ipsdienol in their hindguts. The hindguts were attractive to females in a laboratory olfactometer and the male infested logs were attractive in field bioassay. The amount of pheromones produced and the amount of feeding and boring activity is much less in white fir than in ponderosa pine. There were no pheromones detected in the hindguts of recently emerged, unfed males.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994655
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  • 7
    Electronic Resource
    Electronic Resource
    Effects of verbenone andtrans-verbenol on the response ofDendroctonus brevicomis to natural and synthetic attractant in the field (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 997-1013 
    Details
    ISSN: 1573-1561
    Keywords: Pinus ponderosa ; Dendroctonus brevicomis ; verbenone ; trans-verbenol ; tree protection ; bark beetle ; pheromones ; interruptant ; Coleoptera ; Scolytidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Verbenone andtrans-verbenol were investigated as candidate interruptants for use as tree protectants. Verbenone andtrans-verbenol, pheromones released byDendroctonus brevicomis during host colonization, reduced the trap catch ofD. brevicomis near sources of the attractant composed ofexo-brevicomm, frontalin, and myrcene. Catch reduction at some trap positions was greater at a high release rate than at a low release rate oftrans-verbenol alone and of the combination of verbenone plustrans-verbenol. Verbenone also reduced catches at traps baited with attractive bolts from trees under attack byD. brevicomis. Attempts to use verbenone to protect living trees fromD. brevicomis attack were inconclusive.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994657
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  • 8
    Electronic Resource
    Electronic Resource
    Changes in intracellular ribonuclease activity in the rat liver during inhibition of protein synthesis by cycloheximide (1980)
    Springer
    Bulletin of experimental biology and medicine 89 (1980), S. 142-144 
    Details
    ISSN: 1573-8221
    Keywords: cycloheximide ; protein synthesis ; RNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Injection of cycloheximide into rats was shown not to change the acid and alkaline ribonuclease (RNase) activity in the cytoplasm of liver cells. Meanwhile inhibition of protein synthesis by cycloheximide led to a decrease in RNase activity of microsomes and membrane-bound polysomes. RNase activity of free polysomes in liver cells was considerably increased after administration of cycloheximide.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00831002
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