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231222s1999 xx ||||| 00| ||eng c |
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|e rakwb
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|a eng
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|a Meskauskas, A
|e verfasserin
|4 aut
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|a Mathematical modelling of morphogenesis in fungi
|b a key role for curvature compensation ('autotropism') in the local curvature distribution model
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|c 1999
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 21.05.2000
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|a Date Revised 30.09.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a The assumption that the mushroom stem has the ability to undergo autonomic straightening enables a mathematical model to be written that accurately mimics the gravitropic reaction of the stems of Coprinus cinereus. The straightening mechanism is called curvature compensation here, but is equivalent to the 'autotropism' that often accompanies the gravitropic reactions of axial organs in plants. In the consequently revised local curvature distribution model, local bending rate is determined by the difference between the 'bending signal' (generated by gravitropic signal perception systems) and the 'straightening signal' (proportional to the local curvature at the given point). The model describes gravitropic stem bending in the standard assay with great accuracy but has the virtue of operating well outside the experimental data set used in its derivation. It is shown, for example, that the mathematical model can be fitted to the gravitropic reactions of stems treated with metabolic inhibitors by a change of parameters that parallel the independently derived physiological interpretation of inhibitor action. The revised local curvature distribution model promises to be a predictive tool in the further analysis of gravitropism in mushrooms
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ionophores
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|a Novak Frazer, L
|e verfasserin
|4 aut
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|a Moore, D
|e verfasserin
|4 aut
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|i Enthalten in
|t The New phytologist
|d 1979
|g 143(1999), 2 vom: 15. Aug., Seite 387-99
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:143
|g year:1999
|g number:2
|g day:15
|g month:08
|g pages:387-99
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|d 143
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