Osmotic Regulation in Freshwater and Salt Tolerant          Charophyte Algae
{'Code': '08070400', 'Directorate': {'Abbreviation': 'BIO', 'LongName': 'Direct For Biological Sciences'}, 'Division': {'Abbreviation': 'MCB', 'LongName': 'Div Of Molecular and Cellular Bioscience'}}
{'SignBlockName': 'M.  Paige', 'PO_EMAI': None, 'PO_PHON': None}
Osmotic Regulation in Freshwater and Salt Tolerant                      Charophyte Algae:  Salt tolerance is important in determining                   the natural distribution of plants and in determining yield of                  agricultural crop plants in saline soils which are naturally                    saline or arise from irrigation.  Algae provide a model system                  for studying salt tolerance, because stresses can be applied                    more precisely and responses can be analyzed in more detail.                    Two closely related species of Charophyte algae differ in their                 salt tolerance:  Chara corallina is a freshwater alga that does                 not regulate its turgor; C. buckellii is salt tolerant and is                   able to regulate turgor.  By studying the difference between                    these species these studies will elucidate the mechanism of                     turgor regulation.                                                                                                                                                      The research objectives are to further characterize the                 difference between the two species with respect to their                        ability to regulate turgor and withstand high salt                              concentration, using survivorship, membrane potentials, and ion                 composition; to identify transport systems important to turgor                  regulation using patch clamp and to isolate and characterize                    the H+-ATPase of the plasmalemma which may provide energy for                   transport systems.
{'FirstName': 'Mary', 'LastName': 'Bisson', 'PI_MID_INIT': 'A', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Mary A Bisson', 'EmailAddress': 'bisson@buffalo.edu', 'NSF_ID': '000117775', 'StartDate': '08/01/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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[{'Code': '1144', 'Text': 'Molecular Biophysics'}, {'Code': '9120', 'Text': 'CROSS-DIRECTORATE PROGRAMS'}]
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