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  • 11
    Electronic Resource
    Electronic Resource
    Carbohydrate metabolism in the flight muscle of the southern armyworm moth, Prodenia eridania
    Amsterdam : Elsevier
    Journal of Insect Physiology 14 (1968), S. 179-186+IN9-IN10+187-198 
    Details
    ISSN: 0022-1910
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0022-1910(68)90030-9
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  • 12
    Electronic Resource
    Electronic Resource
    The perceptual guidance of grasping a moving object
    Amsterdam : Elsevier
    Human Movement Science 11 (1992), S. 691-715 
    Details
    ISSN: 0167-9457
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine , Sports Science
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-9457(92)90037-C
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  • 13
    Electronic Resource
    Electronic Resource
    Scanning the dynamics of reaching and grasping movements
    Amsterdam : Elsevier
    Human Movement Science 13 (1994), S. 255-289 
    Details
    ISSN: 0167-9457
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine , Sports Science
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-9457(94)90040-X
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  • 14
    Electronic Resource
    Electronic Resource
    Monoglyceride lipase in moth flight muscle
    Amsterdam : Elsevier
    Journal of Insect Physiology 15 (1969), S. 1537-1550 
    Details
    ISSN: 0022-1910
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0022-1910(69)90174-7
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  • 15
    Electronic Resource
    Electronic Resource
    Relationship between tissue sugar content, phloem import and lateral root initiation in wheat (1998)
    Copenhagen : Munksgaard International Publishers
    Physiologia plantarum 103 (1998), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Split-root experiments were conducted to test the hypothesis that adjustments in lateral root initiation, as might occur in response to localized soil conditions, are determined by the sugar content of the root and do not depend on changes in the import of phloem-translocated phytohormones. Wheat (Triticum aesticum L. cv. Alexandria) seedlings were grown in hydroponics with their seminal roots divided between two compartments within the culture vessel. Two seminal roots of treated plants were supplied with standard nutrient solution supplemented with 50 mM glucose, whilst the remaining three roots received nutrient solution without glucose. Control plants had their roots divided in the same ratio, but both ‘halves’ received nutrient solution without glucose. Feeding glucose to one ‘half’ of the root system increased the frequency (number per unit length) of lateral root primordia in the fed axes. The increase was first observed 15 h after the start of treatment and was located within the apical 30 mm of root. At this time there was no significant treatment effect on the frequency of primordia in non-fed axes. The enhanced initiation of lateral roots in glucose-fed root tips was associated with an increase in their concentration of glucose and sucrose plus low molecular mass fructans. In contrast, there was a reduction in partitioning of 14C-photosynthate to these root tips compared to the non-fed roots of treated plants and controls. The results indicate that lateral root initiation can be stimulated by sugars in the absence of an increase in phloem translocation. It is proposed that proliferation of lateral roots in response to localized soil conditions, such as nutrient patches, may be signalled by an increase in sugar content of the tissue, rather than an altered flux of phytohormones or other material co-transported with sucrose in the phloem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1399-3054.1998.1030113.x
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  • 16
    Electronic Resource
    Electronic Resource
    Causes and location of non-specific effects of SHAM on O2 uptake by wheat roots (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 93 (1995), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Uptake of O2 by whole, detached, root systems of wheat (Triticum aestivum L. cv. Alexandria) was titrated with salicylhydroxamic acid (SHAM) in the presence and absence of cyanide. The resulting Qall plot was non-linear indicating that SHAM was acting non-specifically. The nature of the non-specific effects was investigated in reverse titration experiments. Uptake of O2 was titrated with KCN in the presence and absence of SHAM at 1 mM and 25 mM, which yielded Qcy1 values of 〈 1 and 〉 1, respectively. The results suggest that at 25 mM, SHAM inhibits the cytochrome pathway, but at 1 mM it stimulates an O2-consuming process which is likely to be a peroxidase. A SHAM-stimulated peroxidase could easily be washed from these roots. In vitro, the peroxidase was stimulated to a similar extent by low (1 mM) and high (25 mM) concentrations of SHAM. Failure to inhibit with high concentrations of SHAM distinguishes this peroxidase from those bitherto eluted from root tissue. Reverse titration experiments in the presence and absence of 1 mM SHAM indicated that there were no significant side effects of SHAM in root tips. These data are supported by the negligible peroxidase activity that was washed from this root fraction. In contrast, significant side effects occurred in vivo, and substantial peroxidase activity was measured in vitro, from sections 4–6 cm and 18–20 cm behind the seminal root apex. The greatest activity was found with the 4–6 cm section which may be associated with high rates of cell wall lignification. The implications of these results for measurements of root respiration are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1995.tb06839.x
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  • 17
    Electronic Resource
    Electronic Resource
    Extension rate and respiratory activity in the growth zone of wheat roots: Time-course for adjustments after defoliation (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 98 (1996), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The time-course for adjustments in the rate of extension of wheat (Triticum aestivum L. cv. Alexandria) roots, and the activity and capacity of respiratory pathways in the root apex, were determined after pruning the shoot to the ligule of the first leaf. Leaf pruning reduced the extension rate of both seminal and lateral roots. The onset of the response occurred within 1 h of pruning for laterals and between 2 and 3 h for seminals. The reduction in rate appears to be the result of a decrease in carbohydrate availability because (1) in seminal roots it was preceded by a decrease in soluble sugar content of the apical part of the growth zone (0–5 mm behind the root apex) and (2) supplying glucose (50 mM) to the roots of plants defoliated 24 h earlier led to a steady increase in extension rate of both seminal and lateral roots compared to non-fed controls. Supplying 3-O-methyl glucose had no effect. The reduction in extension rate of seminal roots was accompanied (or slightly preceded) by a reduction in respiratory O2 uptake in the apical part of the growth zone (0–5 mm). Changes in respiratory activity in the basal part of the growth zone (5–10 mm) only occurred several hours later. At the time root extension rate was reduced, the rate of O2 uptake could be stimulated with FCCP, which indicates that respiration was under the fine control of adenylates. From these results we suggest the following sequence of events occurs after defoliation. Firstly, defoliation reduces the supply of sugars to the root apex, this leads to a reduction in rate of extension through some form of coarse control by carbohydrates on cell division and expansion, which in turn reduces the rate of respiratory O2 uptake because of a smaller demand for ATP. The results also indicate that there is a rapid (〈1.5 h) reduction in respiratory capacity in the root apex after defoliation which occurs before any change in the overall rate of respiration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1996.tb00693.x
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  • 18
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    To Women Not Dumb (1891)
    Boston, Mass., etc. : Periodicals Archive Online (PAO)
    The North American Review. 153 (1891:July/Dec.) 117 
    Details
    ISSN: 0029-2397
    Topics: English, American Studies , History
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3197-1891-153-00-000092
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  • 19
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    Criticism Criticised (1892)
    Boston, Mass., etc. : Periodicals Archive Online (PAO)
    The North American Review. 155 (1892:July/Dec.) 759 
    Details
    ISSN: 0029-2397
    Topics: English, American Studies , History
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3197-1892-155-00-000092
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  • 20
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    Unknown
    College Theatricals as We Have Them (1894)
    Boston, Mass., etc. : Periodicals Archive Online (PAO)
    The North American Review. 158:4 (1894:Apr.) 510 
    Details
    ISSN: 0029-2397
    Topics: English, American Studies , History
    Notes: NOTES AND COMMENTS
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3197-1894-158-04-000014
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