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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2013.01.004
|2 doi
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|a pubmed24n0750.xml
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|a (DE-627)NLM225093456
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|a (NLM)23416496
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|a (PII)S0981-9428(13)00023-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Quiles-Pando, Carlos
|e verfasserin
|4 aut
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|a Boron deficiency increases the levels of cytosolic Ca(2+) and expression of Ca(2+)-related genes in Arabidopsis thaliana roots
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 05.09.2013
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2013 Elsevier Masson SAS. All rights reserved.
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|a Boron (B) deficiency affects the expressions of genes involved in major physiological processes. However, signal transduction pathway through which plants are able to sense and transmit B-deprivation signal to the nucleus is unknown. The aim of this work was to research in Arabidopsis thaliana roots whether the short-term B deficiency affects cytosolic Ca(2+) levels ([Ca(2+)]cyt) as well as expression of genes involved in Ca(2+) signaling. To visualize in vivo changes in root [Ca(2+)]cyt, Arabidopsis seedlings expressing Yellow Cameleon (YC) 3.6 were grown in a nutrient solution supplemented with 2 μM B and then transferred to a B-free medium for 24 h. Root [Ca(2+)]cyt was clearly higher in B-deficient seedlings upon 6 and 24 h of B treatments when compared to controls. Transcriptome analyses showed that transcript levels of Ca(2+) signaling-related genes were affected by B deprivation. Interestingly, Ca(2+) channel (CNGC19, cyclic nucleotide-gated ion channel) gene was strongly upregulated as early as 6 h after B deficiency. Expression levels of Ca(2+) transporter (ACA, autoinhibited Ca(2+)-ATPase; CAX, cation exchanger) genes increased when seedlings were subjected to B deficiency. Gene expressions of calmodulin-like proteins (CMLs) and Ca(2+)-dependent protein kinases (CPKs) were also overexpressed upon exposure to B starvation. Our results suggest that B deficiency causes early responses in the expression of CNGC19 Ca(2+)-influx channel, ACA- and CAX-efflux, and Ca(2+) sensor genes to regulate Ca(2+) homeostasis. It is the first time that changes in the levels of in vivo cytosolic Ca(2+) and expression of Ca(2+) channel/transporter genes are related with short-term B deficiency in Arabidopsis roots
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Boron
|2 NLM
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| 650 |
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|a N9E3X5056Q
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Rexach, Jesús
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Navarro-Gochicoa, M Teresa
|e verfasserin
|4 aut
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| 700 |
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|a Camacho-Cristóbal, Juan J
|e verfasserin
|4 aut
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| 700 |
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|a Herrera-Rodríguez, M Begoña
|e verfasserin
|4 aut
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| 700 |
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|a González-Fontes, Agustín
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 65(2013) vom: 28. Apr., Seite 55-60
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:65
|g year:2013
|g day:28
|g month:04
|g pages:55-60
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|u http://dx.doi.org/10.1016/j.plaphy.2013.01.004
|3 Volltext
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|d 65
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