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Article

Roles of amyloplasts and water deficit in root tropisms.

Plant, cell & environment - 1 Feb 2008

Ponce Georgina, Rasgado Fátima A, Cassab Gladys I

Abstract excerpt

Directed growth of roots in relation to a moisture gradient is called hydrotropism. The no hydrotropic response (nhr1) mutant of Arabidopsis lacks a hydrotropic response, and shows a stronger gravitropic response than that of wild type (wt) in a medium with an osmotic gradient. Local application of abscisic acid (ABA) to seeds or root tips of nhr1 increased root downward growth, indicating the critical role of...

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Identifiers

PMID: 18047572
DOI: 10.1111/j.1365-3040.2007.01752.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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