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  • Biochemical changes  (1)
  • Eleusine coracana  (1)
  • Glutamine synthetase  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Effect of salt stress on interaction between lentil (Lens culinaris) genotypes and Rhizobium spp. strains: symbiotic N2 fixation in normal and sodic soils (1999)
    Springer
    Biology and fertility of soils 29 (1999), S. 187-195 
    Details
    ISSN: 1432-0789
    Keywords: Key words Rhizobium spp. ; Symbiotic N2 fixation ; Nitrogenase activity ; Glutamine synthetase ; Sodic soils
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract  Following screening, selection, characterization and examination of their symbiotic N2 fixation, only two Rhizobium strains (ND-16 and TAL-1860) and four lentil genotypes (DLG-103, LC-50, LC-53 and Sehore 74-3) were found to be suited to sodic soils. Interactions between salt-tolerant lentil genotypes and Rhizobium strains were found to be significant, and resulted in greater nodulation, N2 fixation (nitrogenase activity), total nitrogen, plant height, root length and grain yield in sodic soils under field conditions compared to uninoculated controls. Significantly more nodulation, nitrogenase activity, glutamine synthetase (GS) and NADH-dependent glutamate synthase (NADH-GOGAT) activities were found in normal soil as compared to the soil supplemented with 4% and 8% NaCl. Salt stress inhibited nitrogenase, GS and NADH-GOGAT activities. However, nitrogenase activity in nodules was more sensitive to salt stress than GS and NADH-GOGAT activities (NH4 + assimilation). The relevance of these findings for salt-tolerant symbionts is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050543
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Biochemical effects of chronic exposure to noise in man (1981)
    Springer
    International archives of occupational and environmental health 48 (1981), S. 331-337 
    Details
    ISSN: 1432-1246
    Keywords: Biochemical changes ; Chronic noise exposure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Biochemical parameters in 75 normal healthy male subjects exposed to intense noise of 88–107 dB(A) (6–8 h/day) for 10 to 15 years during their work situation have been monitored and compared with 35 normal unexposed subjects. Levels of free cholesterol (P〈0.001), γ-globulin (P〈0.01) and cortisol (P〈0.01) were found to be significantly higher in the exposed subjects. Significant changes in free cholesterol also altered the ratio of free to esterified cholesterol significantly (P〈0.001). The value of the A/G ratio was also lower in the exposed group. Uric acid did not show any change. The study shows that in the exposed group the esterification process of cholesterol was modified. There was an effect on pituitary-adrenal axis as well as host-defence mechanism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00378681
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Strain-specific salt tolerance and chemotaxis ofAzospirillum brasilense and their associative N-fixation with finger millet in saline calcareous soil (1991)
    Springer
    Plant and soil 137 (1991), S. 55-59 
    Details
    ISSN: 1573-5036
    Keywords: Azospirillum brasilense ; chemotaxis ; Eleusine coracana ; nitrogenase activity ; root exudates ; salt tolerant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Three salt-tolerantAzospirillum brasilense strains were isolated from the roots of finger millet grown in saline calcareous soil and characterized. The effect of various salts on growth and N2ase activity of these strains was tested and strain STR1 was found more tolerant at higher concentrations of Cl-, SO4 2 and HCO3 -. Bicarbonate was found to be the most toxic. The content and concentrations of root exudates of finger millet genotypes were different and chemotaxis to sugars, amino acids, organic acids and root exudates was strain specific. Under salt stress, significant interactions between strains and genotypes of finger millet resulted in different responses of N2ase activity, endo- and exorhizospheric population, dry weight of root, shoot and grain yield.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02187432
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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