Initial Bud Outgrowth Occurs Independent of Auxin Flow from Out of Buds.
Biological Transport
/ drug effects
Clofibric Acid
/ pharmacology
Gene Expression Profiling
Genes, Plant
Indoleacetic Acids
/ metabolism
Models, Biological
Pisum sativum
/ drug effects
Phthalimides
/ pharmacology
Plant Development
/ drug effects
Plant Growth Regulators
/ metabolism
Plant Shoots
/ drug effects
Journal
Plant physiology
ISSN: 1532-2548
Titre abrégé: Plant Physiol
Pays: United States
ID NLM: 0401224
Informations de publication
Date de publication:
01 2019
01 2019
Historique:
received:
30
04
2018
accepted:
19
10
2018
pubmed:
9
11
2018
medline:
22
5
2019
entrez:
9
11
2018
Statut:
ppublish
Résumé
Apical dominance is the process whereby the shoot tip inhibits the growth of axillary buds along the stem. It has been proposed that the shoot tip, which is the predominant source of the plant hormone auxin, prevents bud outgrowth by suppressing auxin canalization and export from axillary buds into the main stem. In this theory, auxin flow out of axillary buds is a prerequisite for bud outgrowth, and buds are triggered to grow by an enhanced proportional flow of auxin from the buds. A major challenge of directly testing this model is in being able to create a bud- or stem-specific change in auxin transport. Here we evaluate the relationship between specific changes in auxin efflux from axillary buds and bud outgrowth after shoot tip removal (decapitation) in the pea (
Identifiants
pubmed: 30404820
pii: pp.18.00519
doi: 10.1104/pp.18.00519
pmc: PMC6324225
doi:
Substances chimiques
Indoleacetic Acids
0
Phthalimides
0
Plant Growth Regulators
0
alpha-naphthylphthalamic acid
306R88V86P
Clofibric Acid
53PF01Q249
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
55-65Informations de copyright
© 2019 American Society of Plant Biologists. All Rights Reserved.
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