Disproval of the Starch-Amyloplast Hypothesis?

Disproval of the Starch-Amyloplast Hypothesis?

In a recent publication, Edelmann (Protoplasma 2018; 255,1877–1881) refuted the well-established starch-amyloplast hypothesis of gravitropism in plants. Gravitropic curvatures of shoots and roots were still present after amyloplast-containing tissues (in sheath of vascular bundles and root caps) wer...

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Veröffentlicht in:Trends in plant science 2019-04, Vol.24 (4), p.291-293
Hauptverfasser: Richter, Peter, Strauch, Sebastian M., Lebert, Michael
Format: Artikel
Sprache:eng
Schlagworte:
Arabidopsis
Gravitropism
gravity
Plant Roots
Plastids
Popper’s falsification principle
Starch
starch-amyloplast hypothesis
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Zusammenfassung:In a recent publication, Edelmann (Protoplasma 2018; 255,1877–1881) refuted the well-established starch-amyloplast hypothesis of gravitropism in plants. Gravitropic curvatures of shoots and roots were still present after amyloplast-containing tissues (in sheath of vascular bundles and root caps) were dissected. Here, we discuss Edelmann’s data in the light of Popper’s falsification principle.
ISSN:1360-1385
1878-4372
DOI:10.1016/j.tplants.2019.02.008