Active and passive calcium transport systems in plant cells

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The ability to change cytoplasmic Ca{sup 2+} levels ((Ca{sup 2+})) by cells has made this cation a key regulator of many biological processes. Cytoplasmic (Ca{sup 2+}) is determined by the coordination of passive Ca{sup 2+} fluxes which increase cytosolic (Ca{sup 2+}) and active Ca{sup 2+} transport systems that lower cytosolic (Ca{sup 2+}). The mechanisms by which plant cells achieve this is poorly understood. We have initially used isolated vesicles from the plasma membrane or organellar membranes to study Ca{sup 2+} transport systems in oat roots (a monocot) and carrot suspension cells (a dicot). The objectives of the proposal were to ... continued below

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Pages: (6 p)

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Sze, H. January 1, 1991.

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Description

The ability to change cytoplasmic Ca{sup 2+} levels ((Ca{sup 2+})) by cells has made this cation a key regulator of many biological processes. Cytoplasmic (Ca{sup 2+}) is determined by the coordination of passive Ca{sup 2+} fluxes which increase cytosolic (Ca{sup 2+}) and active Ca{sup 2+} transport systems that lower cytosolic (Ca{sup 2+}). The mechanisms by which plant cells achieve this is poorly understood. We have initially used isolated vesicles from the plasma membrane or organellar membranes to study Ca{sup 2+} transport systems in oat roots (a monocot) and carrot suspension cells (a dicot). The objectives of the proposal were to identify and characterize active (energy-dependent) and passive calcium transport systems that work together to regulate calcium levels in the cytoplasm of plant cells.

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Pages: (6 p)

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OSTI; NTIS; GPO Dep.

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  • Other: DE92005469
  • Report No.: DOE/ER/13461-6
  • Grant Number: FG05-86ER13461
  • DOI: 10.2172/5702526 | External Link
  • Office of Scientific & Technical Information Report Number: 5702526
  • Archival Resource Key: ark:/67531/metadc1093097

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Creation Date

  • January 1, 1991

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • Feb. 22, 2018, 7:20 p.m.

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Sze, H. Active and passive calcium transport systems in plant cells, report, January 1, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc1093097/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.