Abstract
Root system formation proceeds in close coordination with shoot growth. Accordingly, root growth and its functions are regulated tightly by the shoot through materials cycling between roots and shoots. A plant root system consists of different kinds of roots that differ in morphology and functions. The spatial configuration and distribution of these roots determine root system architecture in the soil, which in turn primarily regulates the acquisition of soil resources like nutrients and water. Morphological and physiological properties of each root and the concomitant tissues further affect nutrient uptake and transport, while the root traits that are related to such acquisition also depend on the kinds of nutrients and their mobility in the soil. In addition, mechanisms involved in the uptake and transport of mineral nutrients recently have been elucidated at the molecular level. A number of genes for acquisition and transport of various mineral nutrients have been identified in model plant systems such as Arabidopsis thaliana, and rice, and in other plant species. An integration of studies on nutrient behavior in soils and the morphological and physiological functions of root systems will further elucidate the mechanism of plant nutrient uptake and transport by roots, and offer a real possibility of genetically improving crop productivity in problem soils.
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Claims 6
Claim · model-written summary
Root system formation is coordinated with shoot growth.
Not reportedTaxon
Verbatim
e0“Root system formation proceeds in close coordination with shoot growth.”
Claim · model-written summary
Shoot cycling of materials tightly regulates root growth and functions.
- Organ / stage
- rootse0
- Outcome
- root growth and its functionse0
- Qualifier
- materials cycling between roots and shootse0
Not reportedTaxon
Verbatim
e0“root growth and its functions are regulated tightly by the shoot through materials cycling between roots and shoots”
Claim · model-written summary
Root spatial configuration and distribution primarily regulate soil nutrient and water acquisition.
Not reportedTaxon
Verbatim
e0“The spatial configuration and distribution of these roots determine root system architecture in the soil, which in turn primarily regulates the acquisition of soil resources like nutrients and water.”
Claim · model-written summary
Root morphology and physiology affect nutrient uptake and transport.
Not reportedTaxon
Verbatim
e0“Morphological and physiological properties of each root and the concomitant tissues further affect nutrient uptake and transport”
Claim · model-written summary
Genes for mineral nutrient acquisition and transport have been identified in Arabidopsis thaliana.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae0 - Outcome
- genes for acquisition and transport of various mineral nutrientse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A number of genes for acquisition and transport of various mineral nutrients have been identified in model plant systems such as Arabidopsis thaliana, and rice, and in other plant species.”
Claim · model-written summary
Genes for mineral nutrient acquisition and transport have been identified in rice.
- Taxon
- rice
Oryza sativae0 - Outcome
- genes for acquisition and transport of various mineral nutrientse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A number of genes for acquisition and transport of various mineral nutrients have been identified in model plant systems such as Arabidopsis thaliana, and rice, and in other plant species.”