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  • 1
    Electronic Resource
    Electronic Resource
    Studies on the fungal phytotoxin victorin: Structures of three novel amino acids from the acid hydrolyzate (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 1370-1374 
    Details
    ISSN: 1420-9071
    Keywords: Cochliobolus victoriae ; Helminthosporium ; Bipolaris ; Avena
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The host-selective phytotoxin victorin, produced by the fungusCochliobolus victoriae, was found to be at least partially peptidic in nature, and did not contain victoxinine. The exact mass of the M-H ion was measured by FABMS as 795.1877. Derivatives of three major acid hydrolysis products were isolated. The structures of the corresponding amino acids were assigned as 2S,3R-3-hydroxyleucine, 5,5-dichloroleucine, and 3-hydroxylysine. A into victorin by the fungus in vivo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01949994
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis of male sterile, triazine-resistant Brassica napus by somatic hybridization between cytoplasmic male sterile B. oleracea and atrazine-resistant B. campestris (1989)
    Springer
    Theoretical and applied genetics 78 (1989), S. 445-455 
    Details
    ISSN: 1432-2242
    Keywords: Brassica napus ; Protoplast fusion ; Triazine resistance ; Cytoplasmic male sterility ; Mitochondrial DNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Fusion of leaf protoplasts from an inbred line of Brassica oleracea ssp. botrytis (cauliflower, n=9) carrying the Ogura (R1) male sterile cytoplasm with hypocotyl protoplasts of B. campestris ssp. oleifera (cv “Candle”, n=10) carrying an atrazine-resistant (ATR) cytoplasm resulted in the production of synthetic B. napus (n=19). Thirty-four somatic hybrids were produced; they were characterized for morphology, phosphoglucose isomerase isoenzymes, ribosomal DNA hybridization patterns, chromosome numbers, and organelle composition. All somatic hybrids carried atrazine-resistant chloroplasts derived from B. campestris. The mitochondrial genomes in 19 hybrids were examined by restriction endonuclease and Southern blot analyses. Twelve of the 19 hybrids contained mitochondria showing novel DNA restriction patterns; of these 12 hybrids, 5 were male sterile and 7 were male fertile. The remaining hybrids contained mitochondrial DNA that was identical to that of the ATR parent and all were male fertile.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00265310
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Atrazine-resistant cauliflower obtained by somatic hybridization between Brassica oleracea and ATR-B. napus (1989)
    Springer
    Theoretical and applied genetics 78 (1989), S. 271-279 
    Details
    ISSN: 1432-2242
    Keywords: Brassica oleracea ; Protoplast fusion ; Herbicide resistance ; Cytoplasmic traits
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Somatic hybridization between Brassica oleracea ssp. botrytis (cauliflower, 2n=18), carrying the Ogura (R1) male-sterile cytoplasm and B. napus (2n= 38), carrying a male-fertile, atrazine-resistant (ATR) cytoplasm, yielded three hybrids (2n=56) and six cauliflower cybrids (2n=18), which were selected for resistance to the herbicide in vitro. The hybrids and cybrids were male fertile and self-compatible. They contained both chloroplasts and mitochondria from the ATR cytoplasm. We found no evidence for mtDNA recombination in any of the regenerated plants. Selfed progeny of the B. oleracea atrazine-resistant cybrids were evaluated for tolerance to the herbicide in the field. Resistant plants exposed to 0.56–4.48 kg/ha (0.5–4.0 pounds/acre) atrazine in the soil showed no damage at any herbicide level, whereas plants of a susceptible alloplasmic line were severely damaged at the lowest level of herbicide application and killed at all higher levels. These atrazine-resistant cauliflower may have potential horticultural use, especially in fields where atrazine carry over is a serious problem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00288810
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    Paper (German National Licenses)
    Fulltext
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