Nitrate Induction of Primary Root Growth Requires Cytokinin Signaling in Arabidopsis thaliana (Record no. 52243)

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fixed length control field 02074nam a2200253Ia 4500
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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625160223.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18085
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245 10 - TITLE STATEMENT
Title Nitrate Induction of Primary Root Growth Requires Cytokinin Signaling in Arabidopsis thaliana
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Volume/sequential designation Plant & Cell Physiology, https://doi.org/10.1093/pcp/pcz199, 2019
520 3# - SUMMARY, ETC.
Summary, etc. Nitrate can act as a potent signal to control growth and development in plants. In this study, we show that nitrate is able to stimulate primary root growth via increased meristem activity and cytokinin signaling. Cytokinin perception and biosynthesis mutants displayed shorter roots as compared with wild-type plants when grown with nitrate as the only nitrogen source. Histological analysis of the root tip revealed decreased cell division and elongation in the cytokinin receptor double mutant ahk2/ahk4 as compared with wild-type plants under a sufficient nitrate regime. Interestingly, a nitrate-dependent root growth arrest was observed between days 5 and 6 after sowing. Wild-type plants were able to recover from this growth arrest, while cytokinin signaling or biosynthesis mutants were not. Transcriptome analysis revealed significant changes in gene expression after, but not before, this transition in contrasting genotypes and nitrate regimes. We identified genes involved in both cell division and elongation as potentially important for primary root growth in response to nitrate. Our results provide evidence linking nitrate and cytokinin signaling for the control of primary root growth in Arabidopsis thaliana.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ROOT GROWTH
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Personal name Naulin, P. A.
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Personal name Armijo, G. I.
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Personal name Vega, A. S.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Tamayo, K. P.
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Personal name Gras, D. E.
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Personal name De La Cruz, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Gutiérrez, R. A.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1Xg6Srnl18UcjXsqlfz6bQjPuayAa62EE/view?usp=drivesdk">https://drive.google.com/file/d/1Xg6Srnl18UcjXsqlfz6bQjPuayAa62EE/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
Koha item type Documentos solicitados
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Lost status Source of classification or shelving scheme Damaged status Not for loan Collection Home library Current library Shelving location Date acquired Total checkouts Full call number Date last seen Price effective from Koha item type
  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18085 25.06.2025 25.06.2025 Documentos solicitados