A rice calcium- and calmodulin-dependent protein kinase restores nodulation to a legume mutant.
Identifieur interne : 003282 ( Main/Corpus ); précédent : 003281; suivant : 003283A rice calcium- and calmodulin-dependent protein kinase restores nodulation to a legume mutant.
Auteurs : Olivier Godfroy ; Frédéric Debellé ; Ton Timmers ; Charles RosenbergSource :
- Molecular plant-microbe interactions : MPMI [ 0894-0282 ] ; 2006.
English descriptors
- KwdEn :
- Amino Acid Sequence (MeSH), Calcium-Calmodulin-Dependent Protein Kinases (genetics), Calcium-Calmodulin-Dependent Protein Kinases (metabolism), Evolution, Molecular (MeSH), Gene Expression Regulation, Plant (MeSH), Medicago truncatula (enzymology), Medicago truncatula (genetics), Medicago truncatula (microbiology), Molecular Sequence Data (MeSH), Mutation (MeSH), Mycorrhizae (physiology), Oryza (enzymology), Oryza (genetics), Plant Roots (microbiology), Plant Roots (physiology), Sequence Alignment (MeSH), Sequence Homology, Amino Acid (MeSH), Signal Transduction (MeSH), Sinorhizobium meliloti (physiology), Symbiosis (genetics), Symbiosis (physiology), Transformation, Genetic (MeSH).
- MESH :
- chemical , genetics : Calcium-Calmodulin-Dependent Protein Kinases.
- chemical , metabolism : Calcium-Calmodulin-Dependent Protein Kinases.
- enzymology : Medicago truncatula, Oryza.
- genetics : Medicago truncatula, Oryza, Symbiosis.
- microbiology : Medicago truncatula, Plant Roots.
- physiology : Mycorrhizae, Plant Roots, Sinorhizobium meliloti, Symbiosis.
- Amino Acid Sequence, Evolution, Molecular, Gene Expression Regulation, Plant, Molecular Sequence Data, Mutation, Sequence Alignment, Sequence Homology, Amino Acid, Signal Transduction, Transformation, Genetic.
Abstract
The Medicago truncatula DMI3 gene encodes a calcium- and calmodulin-dependent protein kinase (CCaMK) that is necessary for the establishment of both rhizobial and mycorrhizal symbioses. The two symbiotic signaling pathways diverge downstream of DMI3; therefore, it has been proposed that legumes have evolved a particular form of CCaMK, acting like a switch able both to discriminate between rhizobial and mycorrhizal calcium signatures and to trigger the appropriate downstream signaling pathway. To test this hypothesis, we examined whether a CCaMK gene from a nonlegume species was able to restore the rhizobial symbiotic properties of a M. truncatula dmi3 mutant. Our results show that a CCaMK gene from rice can restore nodule formation, indicating that CCaMKs from nonlegumes can interpret the calcium signature elicited by rhizobial Nod factors and activate the appropriate downstream target. The nodules did not contain bacteria, which suggests that DMI3 is also involved in the control of the infection process.
DOI: 10.1094/MPMI-19-0495
PubMed: 16673936
Links to Exploration step
pubmed:16673936Le document en format XML
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<author><name sortKey="Godfroy, Olivier" sort="Godfroy, Olivier" uniqKey="Godfroy O" first="Olivier" last="Godfroy">Olivier Godfroy</name>
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<author><name sortKey="Debelle, Frederic" sort="Debelle, Frederic" uniqKey="Debelle F" first="Frédéric" last="Debellé">Frédéric Debellé</name>
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<author><name sortKey="Timmers, Ton" sort="Timmers, Ton" uniqKey="Timmers T" first="Ton" last="Timmers">Ton Timmers</name>
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<author><name sortKey="Rosenberg, Charles" sort="Rosenberg, Charles" uniqKey="Rosenberg C" first="Charles" last="Rosenberg">Charles Rosenberg</name>
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<author><name sortKey="Timmers, Ton" sort="Timmers, Ton" uniqKey="Timmers T" first="Ton" last="Timmers">Ton Timmers</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amino Acid Sequence (MeSH)</term>
<term>Calcium-Calmodulin-Dependent Protein Kinases (genetics)</term>
<term>Calcium-Calmodulin-Dependent Protein Kinases (metabolism)</term>
<term>Evolution, Molecular (MeSH)</term>
<term>Gene Expression Regulation, Plant (MeSH)</term>
<term>Medicago truncatula (enzymology)</term>
<term>Medicago truncatula (genetics)</term>
<term>Medicago truncatula (microbiology)</term>
<term>Molecular Sequence Data (MeSH)</term>
<term>Mutation (MeSH)</term>
<term>Mycorrhizae (physiology)</term>
<term>Oryza (enzymology)</term>
<term>Oryza (genetics)</term>
<term>Plant Roots (microbiology)</term>
<term>Plant Roots (physiology)</term>
<term>Sequence Alignment (MeSH)</term>
<term>Sequence Homology, Amino Acid (MeSH)</term>
<term>Signal Transduction (MeSH)</term>
<term>Sinorhizobium meliloti (physiology)</term>
<term>Symbiosis (genetics)</term>
<term>Symbiosis (physiology)</term>
<term>Transformation, Genetic (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Calcium-Calmodulin-Dependent Protein Kinases</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Calcium-Calmodulin-Dependent Protein Kinases</term>
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<keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Medicago truncatula</term>
<term>Oryza</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Medicago truncatula</term>
<term>Oryza</term>
<term>Symbiosis</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Medicago truncatula</term>
<term>Plant Roots</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term>
<term>Plant Roots</term>
<term>Sinorhizobium meliloti</term>
<term>Symbiosis</term>
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<keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term>
<term>Evolution, Molecular</term>
<term>Gene Expression Regulation, Plant</term>
<term>Molecular Sequence Data</term>
<term>Mutation</term>
<term>Sequence Alignment</term>
<term>Sequence Homology, Amino Acid</term>
<term>Signal Transduction</term>
<term>Transformation, Genetic</term>
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<front><div type="abstract" xml:lang="en">The Medicago truncatula DMI3 gene encodes a calcium- and calmodulin-dependent protein kinase (CCaMK) that is necessary for the establishment of both rhizobial and mycorrhizal symbioses. The two symbiotic signaling pathways diverge downstream of DMI3; therefore, it has been proposed that legumes have evolved a particular form of CCaMK, acting like a switch able both to discriminate between rhizobial and mycorrhizal calcium signatures and to trigger the appropriate downstream signaling pathway. To test this hypothesis, we examined whether a CCaMK gene from a nonlegume species was able to restore the rhizobial symbiotic properties of a M. truncatula dmi3 mutant. Our results show that a CCaMK gene from rice can restore nodule formation, indicating that CCaMKs from nonlegumes can interpret the calcium signature elicited by rhizobial Nod factors and activate the appropriate downstream target. The nodules did not contain bacteria, which suggests that DMI3 is also involved in the control of the infection process.</div>
</front>
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<Abstract><AbstractText>The Medicago truncatula DMI3 gene encodes a calcium- and calmodulin-dependent protein kinase (CCaMK) that is necessary for the establishment of both rhizobial and mycorrhizal symbioses. The two symbiotic signaling pathways diverge downstream of DMI3; therefore, it has been proposed that legumes have evolved a particular form of CCaMK, acting like a switch able both to discriminate between rhizobial and mycorrhizal calcium signatures and to trigger the appropriate downstream signaling pathway. To test this hypothesis, we examined whether a CCaMK gene from a nonlegume species was able to restore the rhizobial symbiotic properties of a M. truncatula dmi3 mutant. Our results show that a CCaMK gene from rice can restore nodule formation, indicating that CCaMKs from nonlegumes can interpret the calcium signature elicited by rhizobial Nod factors and activate the appropriate downstream target. The nodules did not contain bacteria, which suggests that DMI3 is also involved in the control of the infection process.</AbstractText>
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