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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/ern242
|2 doi
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|a pubmed24n1332.xml
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|a (NLM)18977749
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wu, Shu-Jing
|e verfasserin
|4 aut
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| 245 |
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|a Extracellular ATP-induced NO production and its dependence on membrane Ca2+ flux in Salvia miltiorrhiza hairy roots
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|c 2008
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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
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 15.12.2008
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|a Date Revised 16.03.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a Extracellular ATP (eATP) is a novel signalling agent, and nitric oxide (NO) is a well-established signal molecule with diverse functions in plant growth and development. This study characterizes NO production induced by exogenous ATP and examines its relationship with other important signalling agents, Ca(2+) and H(2)O(2) in Salvia miltiorrhiza hairy root culture. Exogenous ATP was applied at 10-500 microM to the hairy root cultures and stimulated NO production was detectable within 30 min. The NO level increased with ATP dose from 10-100 microM but decreased from 100-200 muM or higher. The ATP-induced NO production was mimicked by a non-hydrolysable ATP analogue ATPgammaS, but only weakly by ADP, AMP or adenosine. The ATP-induced NO production was blocked by Ca(2+) antagonists, but not affected by a protein kinase inhibitor. ATP also induced H(2)O(2) production, which was dependent on both Ca(2+) and protein kinases, and also on NO biosynthesis. On the other hand, ATP induced a rapid increase in the intracellular Ca(2+) level, which was dependent on NO but not H(2)O(2). The results suggest that NO is implicated in ATP-induced responses and signal transduction in plant cells, and ATP signalling is closely related to Ca(2+) and ROS signalling
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ca2+
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|a Salvia miltiorrhiza
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|a extracellular ATP
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|a hairy roots
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|a nitric oxide
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|a reactive oxygen species
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|a Plant Proteins
|2 NLM
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|a Nitric Oxide
|2 NLM
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|a 31C4KY9ESH
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 650 |
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|a Protein Kinases
|2 NLM
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| 650 |
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|a EC 2.7.-
|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 Wu, Jian-Yong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 59(2008), 14 vom: 31., Seite 4007-16
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:59
|g year:2008
|g number:14
|g day:31
|g pages:4007-16
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|u http://dx.doi.org/10.1093/jxb/ern242
|3 Volltext
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