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  • Lepidoptera  (10)
  • Perilla frutescens  (8)
  • Physics  (7)
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  • 1
    Digitale Medien
    Digitale Medien
    Genetic control of the chemical composition of volatile oils in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 25 (1986), S. 859-863 
    Details
    ISSN: 0031-9422
    Schlagwort(e): Labiatae ; Perilla frutescens ; chemotype ; gene analysis ; hybridization ; multiple alleles. ; volatile oil
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(86)80017-6
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  • 2
    Digitale Medien
    Digitale Medien
    Genetic control of phenylpropanoids in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 25 (1986), S. 2085-2087 
    Details
    ISSN: 0031-9422
    Schlagwort(e): Labiatae ; Perilla frutescens ; chemotype ; dillapiole. ; elemicin ; gene analysis ; myristicin ; volatile oil
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(86)80070-X
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  • 3
    Digitale Medien
    Digitale Medien
    Genetic control of the enzymatic formation of cyclic monoterpenoids in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 31 (1991), S. 139-142 
    Details
    ISSN: 0031-9422
    Schlagwort(e): Labiatae ; Perilla frutescens ; chemotypes ; cyclic monoterpenoids ; cyclization ; genetic control. ; geranylpyrophosphate synthase ; limonene synthase
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(91)83022-D
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  • 4
    Digitale Medien
    Digitale Medien
    Genetic control of perillene accumulation in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 29 (1990), S. 2873-2875 
    Details
    ISSN: 0031-9422
    Schlagwort(e): Labiatae ; Perilla frutescens ; genetic analysis ; monoterpenoids ; perillene.
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(90)87094-B
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  • 5
    Digitale Medien
    Digitale Medien
    Genetic control of the enzymatic formation of cyclic monoterpenoids inPerilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 31 (1992), S. 139-142 
    Details
    ISSN: 0031-9422
    Schlagwort(e): Labiatae ; Perilla frutescens ; chemotypes ; cyclic monoterpenoids ; cyclization ; genetic control ; geranylpyrophosphate synthase ; limonene synthase
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0031-9422(91)83022-D
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  • 6
    Digitale Medien
    Digitale Medien
    Geographical variation in female sex pheromones of the rice leaffolder moth, Cnaphalocrocis medinalis: identification of pheromone components in Japan (2000)
    Springer
    Entomologia experimentalis et applicata 96 (2000), S. 103-109 
    Details
    ISSN: 1570-7458
    Schlagwort(e): Cnaphalocrocis medinalis ; rice leaffolder ; Lepidoptera ; Pyralidae ; sex pheromone ; geographical variation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Sex pheromone components of the Japanese rice leaffolder moth, Cnaphalocrocis medinalis Guenée (Lepidoptera: Pyralidae) were identified from ovipositor extracts of virgin females as (Z)-11-octadecenal, (Z)-13-octadecenal, (Z)-11-octadecen-1-ol and (Z)-13-octadecen-1-ol at a ratio of 11:100:24:36 by GC-EAD, GC, GC-MS. The total amount was estimated to be ca.0.9 ng/female. Field bioassays in Kagoshima, Japan, showed that the two aldehydes are essential for male attraction and the alcohols may have a synergistic effect on the aldehydes. A rubber septum containing 0.9 mg of the four components at the natural ratio was shown to be an effective lure for monitoring this pest in Japan. The above four components are quite different from the sex pheromone components reported previously for the same species of either Philippine or Indian origin; components were shown to be (Z)-11-hexadecenyl acetate and (Z)-13-octadecenyl acetate at a ratio of 98:2 in the Philippine blend and 1:10 in the Indian blend. Furthermore, in the field tests in Japan, neither the Philippine blend nor the Indian blend showed any attractive activity, while the Japanese blend attracted significant numbers of male moths. These results suggest that there are remarkable geographical variations in the sex pheromone composition of this species or there are several distinct species using different sex pheromone blends.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1004019917270
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  • 7
    Digitale Medien
    Digitale Medien
    Oviposition Stimulants for Sulfur ButterflyColias erate poliographys: Cyanoglucosides as Synergistis Involved in Host Preference (1997)
    Springer
    Journal of chemical ecology 23 (1997), S. 323-331 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Oviposition stimulants ; Colias erate ; Lepidoptera ; Pieridae ; Trifolium repens ; Leguminosae ; cyanoglucosides ; linamarin ; lotaustralin
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Host-plant chemicals stimulating oviposition by a Leguminosae-feeding pierid butterflyColias erate poliographyswere isolated and identified from one of its primary host plants, white clover (Trifolium repens). Females readily deposited eggs in response to methanolic extracts of the plant, and subsequent partition of the extracts with organic solvents revealed that chemical constituents critical for host recognition reside in the water-soluble fraction. Further fractionation of the hydrosoluble fraction by column chromatography led to the separation of an active fraction and two cyanoglucosides, linamarin and lotaustralin. Conspicuous oviposition response was evoked by unidentified polar compound(s), while these cyanoglucosides exerted no stimulatory activity by themselves. However, ovipositing females preferred samples containing either of the two cyanoglucosides. In dual-choice bioassays, significantly more eggs were laid on samples admixed with the cyanoglucosides, suggesting that the cyanoglucosides serve as synergistic oviposition stimulants and could play an important role in host selection.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/B:JOEC.0000006362.96722.c9
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  • 8
    Digitale Medien
    Digitale Medien
    Pyrrolizidine Alkaloids Mediate Host-Plant Recognition by Ovipositing Females of an Old World Danaid Butterfly, Idea leuconoe (1997)
    Springer
    Journal of chemical ecology 23 (1997), S. 1703-1713 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Oviposition stimulants ; Idea leuconoe ; Lepidoptera ; Danaidae ; Parsonsia laevigata ; Apocynaceae ; pyrrolizidine alkaloids ; parsonsianine ; parsonsianidine ; 17-methylparsonsianidine
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract A giant danaid butterfly, Idea leuconoe, specializes on apocynaceous plants such as Parsonsia laevigata, which has been reported to contain pyrrolizidine alkaloids. Females of I. leuconoe deposited eggs in response to methanolic extract of P. laevigata, and subsequent bioassay-guided fractionation of the extract revealed that phytochemicals crucial for host recognition by ovipositing females are Parsonsia-specific macrocyclic pyrrolizidine alkaloids including parsonsianine, parsonsianidine, and 17-methylparsonsianidine. Parsonine, another P. laevigata pyrrolizidine component with a keto-dihydropyrrolizine moiety that is closely related in structure to male pheromones of the butterfly, and several nonhost pyrrolizidine alkaloids were entirely inactive. We interpret these data as strong evidence for an ancestral association through herbivory between danaid butterflies and pyrrolizidine alkaloids.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/B:JOEC.0000006445.61545.82
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  • 9
    Digitale Medien
    Digitale Medien
    Genetic analysis of essential oil variants inPerilla frutescens (1995)
    Springer
    Biochemical genetics 33 (1995), S. 341-348 
    Details
    ISSN: 1573-4927
    Schlagwort(e): Perilla frutescens ; Labiatae ; chemotypes ; genetic analysis ; essential oils
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract A new chemotype (C type) ofPerilla frutescens (Labiatae) that accumulatestrans-citral as a main component of the essential oil in the leaf was crossed with five other chemotypes containing perillaldehyde (PA), elsholtziaketone (EK), perillaketone (PK), perillene (PL), and phenylpropanoid (PP) as their respective major components for comparison of genetic differences. The analyses of F1 and F2 progenies showed thattrans-citral is accumulated when its metabolism is blocked in the simultaneous absence of a dominant geneN, which is involved in the conversion oftrans-citral into naginataketone viacis-citral, and two polymeric genesFr 1 andFr 2 , which are involved in the conversion oftrans-citral into perillene. On the basis of new data obtained from various intercrosses involving the C type as one of the parents, the genotypes of different chemotypes as well as the sites of action of several genes controlling reaction steps in the biosynthesis of monoterpenes inPerilla have been revised.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00553813
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  • 10
    Digitale Medien
    Digitale Medien
    Genetic analysis of essential oil variants inPerilla frutescens (1995)
    Springer
    Biochemical genetics 33 (1995), S. 341-348 
    Details
    ISSN: 1573-4927
    Schlagwort(e): Perilla frutescens ; Labiatae ; chemotypes ; genetic analysis ; essential oils
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract A new chemotype (C type) ofPerilla frutescens (Labiatae) that accumulatestrans-citral as a main component of the essential oil in the leaf was crossed with five other chemotypes containing perillaldehyde (PA), elsholtziaketone (EK), perillaketone (PK), perillene (PL), and phenylpropanoid (PP) as their respective major components for comparison of genetic differences. The analyses of F1 and F2 progenies showed thattrans-citral is accumulated when its metabolism is blocked in the simultaneous absence of a dominant geneN, which is involved in the conversion oftrans-citral into naginataketone viacis-citral, and two polymeric genesFr 1 andFr 2 , which are involved in the conversion oftrans-citral into perillene. On the basis of new data obtained from various intercrosses involving the C type as one of the parents, the genotypes of different chemotypes as well as the sites of action of several genes controlling reaction steps in the biosynthesis of monoterpenes inPerilla have been revised.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02399932
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