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Jointly Published by

 Institute of Botany, CAS


Botanical Society of China

 

March 2010, Volume 52 Issue 3, Pages 254-346.

Cover Caption: Carbohydrate Metabolism in Embryogenesis
During early embryogenesis, the embryo is heterotrophic and relies on the maternal tissues for nutrition and energy supply. At later stages, plastid differentiation establishes the photosynthetic capacity, rendering the embryo partially autotrophic. In this issue, Wang et al. report the characterization of the Arabidopsis BE1 gene that encodes a plastidlocalized glycoside hydrolase and plays a critical role in embryonic carbohydrate metabolism. Null mutations in BE1 cause the embryo development arrested at the heartshaped stage (see pages 273¨C288 for details).

 
  
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