| NSF Org: |
MCB Division of Molecular and Cellular Biosciences |
| Recipient: |
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| Initial Amendment Date: | July 21, 2003 |
| Latest Amendment Date: | May 12, 2005 |
| Award Number: | 0315845 |
| Award Instrument: | Continuing Grant |
| Program Manager: |
Susan Porter Ridley
MCB Division of Molecular and Cellular Biosciences BIO Directorate for Biological Sciences |
| Start Date: | September 1, 2003 |
| End Date: | August 31, 2007 (Estimated) |
| Total Intended Award Amount: | $575,000.00 |
| Total Awarded Amount to Date: | $575,000.00 |
| Funds Obligated to Date: |
FY 2004 = $190,000.00 FY 2005 = $200,000.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
10010 N TORREY PINES RD LA JOLLA CA US 92037-1002 (858)453-4100 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
10010 N TORREY PINES RD LA JOLLA CA US 92037-1002 |
| Primary Place of
Performance Congressional District: |
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| Unique Entity Identifier (UEI): |
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| Parent UEI: |
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| NSF Program(s): |
Genetic Mechanisms, INTEGRATIVE PLANT BIOLOGY |
| Primary Program Source: |
app-0104 app-0105 |
| Program Reference Code(s): |
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| Program Element Code(s): |
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| Award Agency Code: | 4900 |
| Fund Agency Code: | 4900 |
| Assistance Listing Number(s): | 47.074 |
ABSTRACT
Plants are exquisitely sensitive to their light environment. Recent studies in the P.I.'s laboratory indicate that the plant hormones auxin and brassinosteroids (BRs) act in close proximity to modulate the seedling light response. The auxin and BR pathways have been studied individually in some detail, but significant gaps in each pathway exist. This project aims to identify components that may be shared between the auxin and BR signaling pathways. The primary aims are: (1) to characterize the BR-auxin interaction in Arabidopsis using existing physiological and genetic tools and (2) to uncover novel signal transduction components utilized by both hormones. This research will address the impact of the interaction between these hormones in regulating such diverse responses as changes in gene expression, cell expansion and division, and vascular differentiation. The long-term objective is to completely understand the signaling networks that regulate seedling development, and to relate this to general mechanisms of signal transduction in other organisms.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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