Same same, but different: growth responses of primary and lateral roots
| Autor: | Waidmann, Sascha, Sarkel, Elizabeth, Kleine-Vehn, Jürgen |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
0106 biological sciences
0301 basic medicine Growth regulation Physiology Plant Science Root system Biology Spatial distribution Plant Roots 01 natural sciences Lateral root Soil 03 medical and health sciences nutrients Primordium Review Papers root system architecture Life span AcademicSubjects/SCI01210 15. Life on land Cell biology 030104 developmental biology Root system architecture plant hormones primary root 010606 plant biology & botany |
| Zdroj: | Journal of Experimental Botany |
| ISSN: | 1460-2431 0022-0957 |
| Popis: | We highlight the similarities and differences in primary and lateral root growth, focusing on the differential impact that phytohormones and environmental cues have on these. The root system architecture describes the shape and spatial arrangement of roots within the soil. Its spatial distribution depends on growth and branching rates as well as directional organ growth. The embryonic primary root gives rise to lateral (secondary) roots, and the ratio of both root types changes over the life span of a plant. Most studies have focused on the growth of primary roots and the development of lateral root primordia. Comparably less is known about the growth regulation of secondary root organs. Here, we review similarities and differences between primary and lateral root organ growth, and emphasize particularly how external stimuli and internal signals differentially integrate root system growth. |
| Databáze: | OpenAIRE |
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