WATER PERMEABILITY OF THE CELL WALL IN NITELLA
<l type="ord"> A method has been developed to measure the hydraulic conductivity of the wall of the internodal cell of Nitella flexilis . The rate of water penetration through the cell wall varies linearly with the hydrostatic pressure difference between the two sides of the wall, sh...
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1962
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fthighwire:oai:open-archive.highwire.org:pcellphys:3/3/285 2023-05-15T17:23:49+02:00 WATER PERMEABILITY OF THE CELL WALL IN NITELLA KAMIYA, NOBURO TAZAWA, MASASHI TAKATA, TAKAKO 1962-09-01 00:00:00.0 text/html http://pcp.oxfordjournals.org/cgi/content/short/3/3/285 en eng Oxford University Press http://pcp.oxfordjournals.org/cgi/content/short/3/3/285 Copyright (C) 1962, The Japanese Society of Plant Physiologists research-article TEXT 1962 fthighwire 2016-11-16T18:06:05Z <l type="ord"> A method has been developed to measure the hydraulic conductivity of the wall of the internodal cell of Nitella flexilis . The rate of water penetration through the cell wall varies linearly with the hydrostatic pressure difference between the two sides of the wall, showing that water permeability of the cell wall remains independent of the pressure difference applied. Water permeability of the cell wall is inversely proportional to its thickness It is 30μμ min −3{dot} atm −3 when the thickness of the wall is 10 μ. Water permeability of the cell wall is the same for inward and outward water flow. The polar water permeability of the entire membrane system (wall and protoplasmic part) of the living cell demonstrated by KAMIYA and TAZAWA ( 1 ) is, therefore, due to the living protoplasmic part. The ratio of the inward to outward permeability constants of the protoplasmic layer alone is higher than that of the entire membrane system composed of protoplasmic layer and cell wall. </l> Text Nitella flexilis HighWire Press (Stanford University) |
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HighWire Press (Stanford University) |
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English |
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research-article KAMIYA, NOBURO TAZAWA, MASASHI TAKATA, TAKAKO WATER PERMEABILITY OF THE CELL WALL IN NITELLA |
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<l type="ord"> A method has been developed to measure the hydraulic conductivity of the wall of the internodal cell of Nitella flexilis . The rate of water penetration through the cell wall varies linearly with the hydrostatic pressure difference between the two sides of the wall, showing that water permeability of the cell wall remains independent of the pressure difference applied. Water permeability of the cell wall is inversely proportional to its thickness It is 30μμ min −3{dot} atm −3 when the thickness of the wall is 10 μ. Water permeability of the cell wall is the same for inward and outward water flow. The polar water permeability of the entire membrane system (wall and protoplasmic part) of the living cell demonstrated by KAMIYA and TAZAWA ( 1 ) is, therefore, due to the living protoplasmic part. The ratio of the inward to outward permeability constants of the protoplasmic layer alone is higher than that of the entire membrane system composed of protoplasmic layer and cell wall. </l> |
format |
Text |
author |
KAMIYA, NOBURO TAZAWA, MASASHI TAKATA, TAKAKO |
author_facet |
KAMIYA, NOBURO TAZAWA, MASASHI TAKATA, TAKAKO |
author_sort |
KAMIYA, NOBURO |
title |
WATER PERMEABILITY OF THE CELL WALL IN NITELLA |
title_short |
WATER PERMEABILITY OF THE CELL WALL IN NITELLA |
title_full |
WATER PERMEABILITY OF THE CELL WALL IN NITELLA |
title_fullStr |
WATER PERMEABILITY OF THE CELL WALL IN NITELLA |
title_full_unstemmed |
WATER PERMEABILITY OF THE CELL WALL IN NITELLA |
title_sort |
water permeability of the cell wall in nitella |
publisher |
Oxford University Press |
publishDate |
1962 |
url |
http://pcp.oxfordjournals.org/cgi/content/short/3/3/285 |
genre |
Nitella flexilis |
genre_facet |
Nitella flexilis |
op_relation |
http://pcp.oxfordjournals.org/cgi/content/short/3/3/285 |
op_rights |
Copyright (C) 1962, The Japanese Society of Plant Physiologists |
_version_ |
1766114279609597952 |