Article
Role of ABA and ABI3 in desiccation tolerance.
Science (New York, N.Y.) - 29 Jan 2010
Khandelwal A, Cho S H, Marella H, Sakata Y, Perroud P-F, Pan A, Quatrano R S
Abstract excerpt
We show in bryophytes that abscisic acid (ABA) pretreatment of moss (Physcomitrella patens) cells confers desiccation tolerance. In angiosperms, both ABA and the transcriptional regulator ABSCISIC ACID INSENSITIVE 3 (ABI3) are required to protect the seed during desiccation. ABA was not able to protect moss cells in stable deletion lines of ABI3 (DeltaPpabi3). Hence, moss has the same functional link between ABA,...
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