Os07g0641200

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Annotated Information

Function

Ca2+/calmodulin-dependent protein kinase (CCaMK) has been identified as a component of CSP, which is required for both rhizobial and mycorrhizal endosymbioses to take up nitrogen and phosphorus from soil, respectively . Legume CCaMK is a key player in the coordinated induction of infection thread formation and nodule organogenesis , providing fixed nitrogen in exchange for plant photosynthates as energy . Orthologs of CSP genes including CCaMK are also well conserved in non-leguminous plants.OsCCaMK in rice simultaneously controls CH4 oxidation and N2 fixation through the actions of methanotrophs and other N2 fixer under nitrogen-limited paddy field conditions.

Expression

Oryza sativa CCaMK (OsCCaMK) genes were highly 56 expressed in roots of field-grown rice at vegetative and reproductive stages; such expression is required for mycorrhization

Evolution

1.Structures of CCaMK are conserved between rice and Lotus OsCCaMK has a kinase domain with a putative autophosphorylation site (Thr263), a CaM-binding (autoinhibitory) domain and three EF hands, in common with LjCCaMK. Over all amino acid sequence identity between OsCCaMK and LjCCaMK was 70.7%. The C-terminal regions containing three EF hands were highly conserved,which potentially trap Ca ions.

2. functions of CCaMK are conserved between rice and Lotus OsCCaMK is able to drive the downstream pathway(s) required for nodule organogenesis in Lotus, but might be not completely consistent as a component of the legume CSP, which is supposed to be triggered in response to rhizobial infection.CCaMK act as a conserved component, which has retained both function and domain structure during the evolution of the RN symbiosis. In other words, CCaMK have stayed essentially the same in their functions and constitute the root of the CSP.

Labs working on this gene

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References

1. Banba M, Gutjahr C, Miyao A, Hirochika H, Paszkowski U, Kouchi H,Imaizumi-Anraku H. 2008. Divergence of evolutionary ways among common sym genes: CASTOR and CCaMK show functional conservation between two symbiosis systems and constitute the root of a common signaling pathway. Plant Cell Physiol. 49:1659-1671. 2.

Structured Information

Gene Name	Os07g0641200
Description	Similar to CaMK1
Version	NM_001066961.2 GI:297607689 GeneID:4344066
Length	1740 bp
Definition	Oryza sativa Japonica Group Os07g0641200, complete gene.
Source	Oryza sativa Japonica Group ORGANISM Oryza sativa Japonica Group Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliophyta; Liliopsida; Poales; Poaceae; BEP clade; Ehrhartoideae; Oryzeae; Oryza.
Chromosome	Chromosome 7
Location	Chromosome 7:27343222..27344961
Sequence Coding Region	27343638..27343775
Expression	GEO Profiles:Os07g0641200
Genome Context	<gbrowseImage1> name=NC_008400:27343222..27344961 source=RiceChromosome07 preset=GeneLocation </gbrowseImage1>
Gene Structure	<gbrowseImage2> name=NC_008400:27343222..27344961 source=RiceChromosome07 preset=GeneLocation </gbrowseImage2>
Coding Sequence	<cdnaseq>gaacttggacttggtccatcagtccctcttcatgttgtactccaagattggatcagacacgccgatgggaagcttagtttccttggattcattaaacttttgcacggagtttcttcgcgatcgatcccgaaagcctaa</cdnaseq>
Protein Sequence	<aaseq>ELGLGPSVPLHVVLQDWIRHADGKLSFLGFIKLLHGVSSRSIPK A</aaseq>
Gene Sequence	<dnaseqindica>1187..1324#gtgattgcctacattttgctttgtgggagccgtcctttctgggcacgcaccgaatcaggaatatttcgagctgtgctgaaggcagaaccaagttttgatgaggctccatggcctactctcactgccgaagcaaaagactttgtaaaacgactgcttaataaggattaccgcaagaggatgactgctgcacaagctctcagtaagcatcagatttgtttgtcagtgtaatattgtggcactcgctttttatcgaatgatggttaattgctcacttgcatcatgatatctgcaggtcatccgtggatccgaaattctcaacaagtgaaaatacctttagatatgataatctacaagcttatgcgagcttatatcagttcgtcttccttgcggaagtccgctttgagggtatgcataaacctttgtgttgttcttatctggtctgtaaatgactattcttgctgcttatattttttttcattttttacatgtgtcaagttatccatgtacgagcaatatattgcttttggttgtgcagtttaagtaggcttataccgatatgtcttgactctgatgacatcaccaactagccattttaagcaatgtccatacattttgcaggccctagctaagacattgacggcaaatcaactgttctatctaagagagcaatttgaattgttgggtccaaacaagaatggttatatctccttgcaaaatttgaaaacggtaggtattctcacctttgttacttgatctaatttatagcatgcaattgctgaataagtaaatgttcctacaggccttggtaaagaattctacagatgcaatgaaggattctagggttattgactttgttaacacggtaagactctttcatagaacattctcttgtgttagtatatcggactgagataaacactgacctgctcaagccatggtactaggtgtgcactcttcagtacagaaaattggattttgaagagttcgctgcttctgccgtcagcgtttatcagatggaagctttggaaacatgggagcagcacgcacggcgtgcatacgagctattcgataaggagggcaaccgacctattgtaattgaggagcttgcatcggtatgatttgagctgaagtaactttttcgcatgattattaaacatttctaactgttatatttttcatctcttaggaacttggacttggtccatcagtccctcttcatgttgtactccaagattggatcagacacgccgatgggaagcttagtttccttggattcattaaacttttgcacggagtttcttcgcgatcgatcccgaaagcctaagataaaatcattcttgcatcaaccaatgaggtcaaattgatggctaagccaaattctctggatggtgttcgttgtgttgcgcggtttgaggtggttggagaggatgtcttgaaaatcagacaaaaaaaagaaagtgacagtttgtgtaagaggtgaaaatgttcttgctgctactacttctacccctccccttcgccacgtcggattgatgttgtactgaagctgtgtagacgatgtacagatgatgaggataggaaaaagaatatggaagggttgaaaagatttgagactggtgtttgtcaaagtcttgcattgtagtagtgcatcttttgtctcaaataagacatttaacgtctcaccccttggtctctcattgtgttattatgccagtatgcgacagccctgaggttacagat</dnaseqindica>
External Link(s)	NCBI Gene:Os07g0641200, RefSeq:Os07g0641200