Article
NaRALF, a peptide signal essential for the regulation of root hair tip apoplastic pH in Nicotiana attenuata, is required for root hair development and plant growth in native soils.
The Plant journal : for cell and molecular biology - 1 Dec 2007
Wu Jinsong, Kurten Erin L, Monshausen Gabriele, Hummel Grégoire M, Gilroy Simon, Baldwin Ian T
Abstract excerpt
Rapid alkalinization factor (RALF) is a 49-amino-acid peptide that rapidly alkalinizes cultivated tobacco cell cultures. In the native tobacco Nicotiana attenuata, NaRALF occurs as a single-copy gene and is highly expressed in roots and petioles. Silencing the NaRALF transcript by transforming N. attenuata with an inverted-repeat construct generated plants (irRALF) with normal wild-type (WT) above-ground parts,...
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