Transgenic Arabidopsis plants expressing Escherichia coli pyrophosphatase display both altered carbon partitioning in their source leaves and reduced photosynthetic activity

2005 ◽  
Vol 24 (6) ◽  
pp. 374-382 ◽  
Author(s):  
J.-W. Lee ◽  
D.-S. Lee ◽  
S. H. Bhoo ◽  
J.-S. Jeon ◽  
Y.-H. Lee ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Photosynthetic Activity ◽  
Transgenic Arabidopsis ◽  
Carbon Partitioning ◽  
Transgenic Arabidopsis Plants

Altered membrane lipase expression delays leaf senescence

2000 ◽  
Vol 28 (6) ◽  
pp. 775-777 ◽  
Author(s):  
J. Thompson ◽  
C. Taylor ◽  
T.-W. Wang
Keyword(s):  
Leaf Senescence ◽  
Cdna Clone ◽  
Transgenic Arabidopsis ◽  
Expression Library ◽  
Transgenic Arabidopsis Plants ◽  
Lipase Expression

A cDNA clone encoding a lipase that is upregulated in senescing leaves and flower petals has been isolated by screening an expression library. The abundance of the lipase mRNA increases as flowers and leaves begin to senesce, and expression of the gene is also induced by treatment with ethylene. Transgenic Arabidopsis plants in which levels of the senescence-induced lipase protein have been reduced show delayed leaf senescence.

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