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  • 1
    Electronic Resource
    Electronic Resource
    Role of Salicylic Acid in Plants (1992)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology and Plant Molecular Biology 43 (1992), S. 439-463 
    Details
    ISSN: 1040-2519
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.43.060192.002255
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  • 2
    Electronic Resource
    Electronic Resource
    PHYTOREMEDIATION (1998)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology and Plant Molecular Biology 49 (1998), S. 643-668 
    Details
    ISSN: 1040-2519
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Notes: Abstract Contaminated soils and waters pose a major environmental and human health problem, which may be partially solved by the emerging phytoremediation technology. This cost-effective plant-based approach to remediation takes advantage of the remarkable ability of plants to concentrate elements and compounds from the environment and to metabolize various molecules in their tissues. Toxic heavy metals and organic pollutants are the major targets for phytoremediation. In recent years, knowledge of the physiological and molecular mechanisms of phytoremediation began to emerge together with biological and engineering strategies designed to optimize and improve phytoremediation. In addition, several field trials confirmed the feasibility of using plants for environmental cleanup. This review concentrates on the most developed subsets of phytoremediation technology and on the biological mechanisms that make phytoremediation work.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.arplant.49.1.643
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  • 3
    Electronic Resource
    Electronic Resource
    Bioconcentration of heavy metals by plants
    Amsterdam : Elsevier
    Current Opinion in Biotechnology 5 (1994), S. 285-290 
    Details
    ISSN: 0958-1669
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0958-1669(94)90030-2
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of submergence on translocation, starch content and amylolytic activity in deep-water rice (1984)
    Springer
    Planta 162 (1984), S. 556-559 
    Details
    ISSN: 1432-2048
    Keywords: Amylolytic activity ; Assimilate partitioning ; Deep water rice ; Oryza (growth regulation) ; Starch in rice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Submergence induces rapid internodal elongation in deep-water rice (Oryza sativa L. cv. Habiganj Aman II). We investigated the metabolic activities which help to support such fast growth. Three days of submergence in water under continuous light led to the mobilization of 65% of the starch from those regions of rice internodes which had been formed prior to submergence. Disappearance of starch was accompanied by a 70-fold enhancement of amylolytic activity. Similar increases in amylolytic activity were detected in response to ethylene and gibberellic acid. Submergence also caused a 26-fold increase in the translocation of newly synthesized photosynthetic assimilates from the leaves to the internodes and younger regions of the culms. These physiological processes are likely to provide the metabolic energy required for internodal elongation in response to submergence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399922
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  • 5
    Electronic Resource
    Electronic Resource
    Genetic divergence of heat production within and between the wild progenitors of wheat and barley: evolutionary and agronomical implications (1992)
    Springer
    Theoretical and applied genetics 84 (1992), S. 958-962 
    Details
    ISSN: 1432-2242
    Keywords: Genetic adaptation ; Heat production ; Thermogenesis ; Wild barley ; Wild wheat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We compared and contrasted calorimetrically heat production in seedlings incubated at 5°C and 24°C using genotypes from cold and warm Israeli populations of the wild progenitors of barley (Hordeum spontaneum) and wheat (Triticum dicoccoides). The wild barley sample comprised 14 accessions, 7 from cold localities and 7 from warm localities. The wild emmer wheat sample consisted of 12 accessions, 6 from a cold locality, and 6 from a warm locality. Our results indicated that (1) heat production was significantly higher in the two wild cereals at 5 °C than at 24 °C; (2) interspecifically, wild barley generates significantly more heat than wild wheat at both 5 °C and 24 °C; (3) intraspecifically, wild barley from warm environments generates significantly more heat than wild barley from cold ones, at 24 °C. We hypothesize that both the inter- and intraspecific differences in heat production evolved adaptively by natural selection in accordance with the niche-width genetic variation hypothesis. These differences presumably enhance biochemical processes, hence growth, thereby leading to the shorter annual cycle of barley compared to that of wheat, and may explain the wider range of the wild and cultivated gene pools of barley, as compared with those of wheat. We propose that a shortening of the growth period through utilizing heat production gene(s) is feasible by classical methods of breeding and/or modern biotechnology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00227410
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  • 6
    Electronic Resource
    Electronic Resource
    Isolation and partial characterization of a lead-accumulating Brassica juncea mutant (1999)
    Springer
    Theoretical and applied genetics 99 (1999), S. 398-404 
    Details
    ISSN: 1432-2242
    Keywords: Key words Brassica juncea ; Screening ; Mutants ; Cadmium ; Lead
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  A new screening method for non-destructive, high-sensitivity, high-throughput isolation of plant mutants capable of accumulating large amounts of heavy metals has been developed. This method is based on incubating seedlings in a solution containing radioisotopes of the metals of interest and visualizing the tissue accumulation of these metals with a phosphorimager. We used this technique to isolate mutants of Brassica juncea (L.) Czern with increased accumulation of Cd and Pb for use in phytoremediation, an emerging technology using plants to remediate polluted soil and water. Approximately 50,000 M2 seedlings were screened and 21 mutants were recovered that retained increased accumulation through the third generation. Mutant 7/15–1 is characterized by enhanced Pb accumulation per unit of root fresh weight, stunted root growth, and decreased root cell size. Data indicate that roots of 7/15–1 contain more cell-wall material on a fresh-weight basis than roots of the wild-type, which may at least partially explain its ability to accumulate more Pb.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051250
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  • 7
    Electronic Resource
    Electronic Resource
    High-capacity titanium centrifugal blower (1972)
    Springer
    Chemical and petroleum engineering 8 (1972), S. 954-955 
    Details
    ISSN: 1573-8329
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01147737
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