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  • 1
    Electronic Resource
    Electronic Resource
    Effect of chemical environment on the electronegativity of a group (1991)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 95 (1991), S. 10214-10214 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100177a107
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  • 2
    Electronic Resource
    Electronic Resource
    Independent, Alternate, and Simultaneous Selection for Resistance to Anthracnose and Angular Leaf Spot and Effects on Seed Yield in Common Bean (Phaseolus vulgaris L.) (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 106 (1991), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Two double-cross populations were used to evaluate the efficiency of independent, alternate, and simultaneous selection practiced from the F2 to F8 for resistance to anthracnose and angular leaf spot of common bean (Phaseolus vulgaris L.). Seven resistant and high-yielding lines were selected from each of the four environments used during this study. These lines and the seven parents involved in two populations were evaluated in an 8 × 8 lattice design with three replications in two cropping seasons. Pathogen inoculum was used to create the three test environments: anthracnose alone, angular leaf spot alone, and anthracnose and angular leaf spot together. All entries were also evaluated in a fourth, disease-free environment. Selection for resistance to anthracnose and angular leaf spot was effective in both populations. Mean disease scores of all selected lines for anthracnose were lower than that of angular leaf spot irrespective of selection environment. Among the three stress environments, yields were higher in the anthracnose environment. However, lines selected alternately for anthracnose and angular leaf spot were usually higher yielding, and the highest yielding line in both populations originated from this selection environment. The mean yield of selected lines was higher and the highest yielding line originated from the population involving a parent (G 1805) belonging to the Mexican highland race ‘Jalisco’. Positive association existed between seed yield of protected and pathogen-inoculated environments. No association was found between resistance to anthracnose and angular leaf spot.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1991.tb00516.x
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  • 3
    Electronic Resource
    Electronic Resource
    Genetics of Seed Yield and Its Components in Common Beans (Phaseolus vulgaris L.) of Andean Origin (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 107 (1991), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Additive genetic variance in large-seeded common beans (Phaseolus vulgaris L.), mostly of Andean South American origin, was higher than nonadditive variance for all traits. Heritability was 0.43 ± 0.19 for yield, 0.49 ± 0.20 for pods/m2, 0.63 ± 0.21 for seeds/m2, 0.76 ± 0.23 for 100-seed weight, and 0.55 ± 0.22 for days to maturity. Expected gain from selection (expressed in percentage of the population mean) was 9.2 for yield, 12.8 for pods/m2, 21.0 for seeds/m2, 17.6 for 100-seed weight, and 4.6 for days to maturity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1991.tb01215.x
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  • 4
    Electronic Resource
    Electronic Resource
    A New Pentacyclic Triterpene Acid from Lantana indica (1991)
    s.l. : American Chemical Society
    Journal of natural products 54 (1991), S. 755-758 
    Details
    ISSN: 1520-6025
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/np50075a003
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  • 5
    Electronic Resource
    Electronic Resource
    Molecular basis of a common opsonic defect (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 21 (1991), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1991.tb01725.x
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  • 6
    Electronic Resource
    Electronic Resource
    Nutritional control of copper uptake in the cyanobacteriumNostoc calcicola Bréb (1991)
    Springer
    BioMetals 4 (1991), S. 192-196 
    Details
    ISSN: 1572-8773
    Keywords: Cu uptake ; Starvations ; Recovery ; ATP ; Nostoc calcicola
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary The kinetics of Cu uptake in nutritionally starved cells of the diazotrophic cyanobacteriumNostoc calcicola Bréb. have been compared with those in cells recovering from starvation. Unstarved cyanobacterial cells assimilated 97.0 nmol Cu mg−1 protein within 1 h when incubated in medium containing 40 μM Cu. Uptake was markedly inhibited in carbon-starved cells and, to a lesser extent, in cells starved of nitrogen or sulphur. The intracellular concentrations of protein and photopigments were markedly lower in cells starved of carbon, nitrogen, sulphur or phosphorus, whilst that of carbohydrate was lower in cells starved of carbon, sulphur or phosphorus, but almost doubled in cells starved of nitrogen. The ability to assimilate Cu was partially restored in cells after 72 h of recovery from phosphorus or sulphur deprivation, but showed little improvement during recovery from carbon or nitrogen starvation. A possible role of phosphorus in regulating Cu transport and accumulation is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01141314
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  • 7
    Electronic Resource
    Electronic Resource
    Onychomycosis caused by Chaetomium globosum Kunze (1991)
    Springer
    Mycopathologia 113 (1991), S. 31-34 
    Details
    ISSN: 1573-0832
    Keywords: Chaetomium globosum ; onychomycosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract In this paper we report a case of onychomycosis caused by Chaetomium globosum. The patient had lesions of the fingernails of the left hand. The direct microscopical examination of the nails showed light-brown hyphae with thick-walled cells. The histopathological examination revealed thick aggregated hyphal element in the nail plate. Amongst the antimycotics tested oxiconazole with MIC values of 0.3 μg/ml−1 was found to be most effective in vitro against Chaetomium globosum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00436384
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  • 8
    Electronic Resource
    Electronic Resource
    First report of phaeohyphomycosis of Nezara viridula Linn. (Insecta: Heteroptera) caused by Curvularia lunata (1991)
    Springer
    Mycopathologia 116 (1991), S. 37-43 
    Details
    ISSN: 1573-0832
    Keywords: Insect (Nezara viridula) ; phaeohyphomycosis ; Curvularia lunata
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Curvularia lunata was found causing (disseminated phaeohyphomycosis among a group of Nezara viridula (Insecta:Heteroptera) parasitizing vegetable crop Vigna unguiculata. Dark lesions were seen on pronotum and abdominal sterna. Experimental lesions were produced by applying 0.1 ml of 6.2 × 108cfu/ml−1 on abdominal sterna. Histopathology revealed that almost all internal organs and tissues showed extensive damage. It is interesting to note that C. lunata exhibited predeliction for chitinous tissues and elicited cellular immune response by granulocytes (phagocytosis). This is the first report of phaeohyphomycosis of an insect, extending the disease to invertebrates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00436088
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  • 9
    Electronic Resource
    Electronic Resource
    A method for transforming lymphocytes from very small blood volumes suitable for paediatric samples (1991)
    Springer
    Human genetics 〈Berlin〉 86 (1991), S. 615-616 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Permanent lymphoblastoid cell lines are important in the molecular analysis and characterization of human genetic disorders, when immortalized cells must be banked for future diagnostic or research purposes. However, routine methods for transformation using Epstein-Barr virus (EBV) require blood volumes that may be difficult to collect from clinically compromised neonates and small children. Here we report a modified transformation procedure utilizing blood samples of small volume (less than 1.0ml), which we have found to be particularly useful for the immortalization of lymphocytes destined for future molecular genetic studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00201551
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  • 10
    Electronic Resource
    Electronic Resource
    Rhizobium sp. exopolysaccharide production, nodulation, and acetylene reduction activity (N2-fixation) in pigeon pea (Cajanus cajan L.) (1991)
    Springer
    Biology and fertility of soils 11 (1991), S. 30-33 
    Details
    ISSN: 1432-0789
    Keywords: Rhizobium spp. ; Bradyrhizobium spp. ; Cajanus cajan ; Pigeonpea ; Exopolysaccharide ; Nodulation ; Acetylene reduction assay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary There was no correlation between the quantity of exopolysaccharide produced and acetylene reduction activity by Rhizobium spp. or by Bradyrhizobium spp. (Cajanus). The exopolysaccharide-defective mutants of Rhizobium sp. strain P 116 either failed to nodulate or showed a decrease in effectiveness. The deficiency in exopolysaccharide production was corrected by the addition of purified exopolysaccharide from the parent strain, or from Bradyrhizobium sp. strain P 149 or S24 isolated from pigeonpea (Cajanus cajan) and mungbean (Vigna radiata), respectively. However, the nodules so formed were not fully effective compared to those formed by the parent strain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335830
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