Gene encoding plant asparagine synthetase
Patent
·
OSTI ID:868982
- New York, NY
The identification and cloning of the gene(s) for plant asparagine synthetase (AS), an important enzyme involved in the formation of asparagine, a major nitrogen transport compound of higher plants is described. Expression vectors constructed with the AS coding sequence may be utilized to produce plant AS; to engineer herbicide resistant plants, salt/drought tolerant plants or pathogen resistant plants; as a dominant selectable marker; or to select for novel herbicides or compounds useful as agents that synchronize plant cells in culture. The promoter for plant AS, which directs high levels of gene expression and is induced in an organ specific manner and by darkness, is also described. The AS promoter may be used to direct the expression of heterologous coding sequences in appropriate hosts.
- Assignee:
- Trustees of Rockefeller University (New York, NY)
- Patent Number(s):
- US 5256558
- Application Number:
- 07/514,816
- OSTI ID:
- 868982
- Country of Publication:
- United States
- Language:
- English
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agents
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plant
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salt
select
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sequence
sequences
specific
specific manner
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synthetase
tolerant
transport
useful
utilized
vectors
agents
appropriate
asparagine
asparagine synthetase
cells
cloning
coding
coding sequence
coding sequences
compound
compounds
compounds useful
constructed
culture
darkness
described
direct
directs
dominant
drought
encoding
engineer
enzyme
expression
expression vector
expression vectors
formation
herbicide
herbicides
heterologous
hosts
identification
induced
involved
levels
major
manner
marker
nitrogen
novel
organ
pathogen
plant
plant asparagine
plant cell
plant cells
plants
produce
promoter
resistant
resistant plants
salt
select
selectable
sequence
sequences
specific
specific manner
synchronize
synthetase
tolerant
transport
useful
utilized
vectors