Plastic and elastic in-vitro extensibilities (Epl and Eol) of cell walls from growing maize (Zea mays L.) coleoptile segments were measured by stretching frozen-thawed tissue, pre-extended to its in-vivo length, at constant force (creep test) in a custom-buildt extensiometer, equipped with a linear-
Auxin-induced changes in cell wall extensibility of maize roots
✍ Scribed by Kirsten Büntemeyer; Hartwig Lüthen; Michael Böttger
- Publisher
- Springer-Verlag
- Year
- 1998
- Tongue
- English
- Weight
- 537 KB
- Volume
- 204
- Category
- Article
- ISSN
- 0032-0935
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Plastic and elastic in-vivo extensibilities (gpl and Eel, respectively) of cell walls of growing maize (Zea mays L.) coleoptile segments were measured by stretching living tissue at constant force (creep test) in an extensiometer. The linear displacement transducer used as a measuring device permits
The carboxylic ionophore, monensin, rapidly induced cell-wall acidification and a decrease in cytosolic pH when added to maize coleoptiles at low external pH and Na § concentration. Elongation growth at rates equivalent to those obtained with indole-3-acetic acid was induced for about 1 h. Stimulati