Root-Specific Reduction of Cytokinin Causes Enhanced Root Growth, Drought Tolerance, and Leaf Mineral Enrichment in Arabidopsis and Tobacco

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F10%3A33118417" target="_blank" >RIV/61989592:15310/10:33118417 - isvavai.cz</a>

Alternative codes found

RIV/61389030:_____/10:00370793

Result on the web

<a href="http://dx.doi.org/10.1105/tpc.109.072694" target="_blank" >http://dx.doi.org/10.1105/tpc.109.072694</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1105/tpc.109.072694" target="_blank" >10.1105/tpc.109.072694</a>

Result language

angličtina

Original language name

Root-Specific Reduction of Cytokinin Causes Enhanced Root Growth, Drought Tolerance, and Leaf Mineral Enrichment in Arabidopsis and Tobacco

Original language description

Optimizing root system architecture can overcome yield limitations in crop plants caused by water or nutrient shortages. Classic breeding approaches are difficult because the trait is governed by many genes and is difficult to score. We generated transgenic Arabidopsis thaliana and tobacco (Nicotiana tabacum) plants with enhanced root-specific degradation of the hormone cytokinin, a negative regulator of root growth. These transgenic plants form a larger root system, whereas growth and development of the shoot are similar. Elongation of the primary root, root branching, and root biomass formation were increased by up to 60% in transgenic lines, increasing the root-to-shoot ratio. We thus demonstrated that a single dominant gene could regulate a complextrait, root growth. Moreover, we showed that cytokinin regulates root growth in a largely organ-autonomous fashion that is consistent with its dual role as a hormone with both paracrine and long-distance activities. Transgenic plants had

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

EF - Botany

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2010

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Plant Cell

ISSN

1040-4651

e-ISSN

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Volume of the periodical

22

Issue of the periodical within the volume

12

Country of publishing house

US - UNITED STATES

Number of pages

17

Pages from-to

3905-3920

UT code for WoS article

000286621900005

EID of the result in the Scopus database

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