Os03g0722400 - Revision history

Chenxi Sang: /* Annotated Information */

2016-10-21T13:31:52Z

‎Annotated Information

2016-10-21T13:30:37Z

2015-06-12T05:59:45Z

‎Structured Information

2014-05-19T09:41:14Z

‎Annotated Information

2014-05-19T09:40:31Z

‎Annotated Information

2014-05-19T09:26:25Z

‎Annotated Information

2014-05-19T09:25:32Z

‎Annotated Information

2014-05-19T09:24:29Z

‎Mutant Phenotype

2014-05-19T09:23:46Z

‎Mutant Phenotype

2014-05-19T09:23:19Z

‎Mutant Phenotype

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 The rice '''''Os03g0722400''''' was reported as '''''OsDDM1b''''' in 2012 <ref name="ref1" /> by researchers from Japan.
 ==Annotated Information==
-[[File:155-Os03g0722400.png|right|thumb|427px|'''Figure 1.''' ''Expression of OsDDM1 genes during development..<ref name="ref1" />.'']]
+[[File:155-Os03g0722400.png|right|thumb|327px|'''Figure 1.''' ''Expression of OsDDM1 genes during development..<ref name="ref1" />.'']]
 ===Gene Symbol===
 *'''''Os03g0722400''''' '''''<=>''''' '''''OsDDM1b'''''

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+The rice '''''Os03g0722400''''' was reported as '''''OsDDM1b''''' in 2012 <ref name="ref1" /> by researchers from Japan.
 ==Annotated Information==
+[[File:155-Os03g0722400.png|right|thumb|427px|'''Figure 1.''' ''Expression of OsDDM1 genes during development..<ref name="ref1" />.'']]
+===Gene Symbol===
 ===Function===
-OsDDM1b is required for the maintenance of DNA methylation on newly replicated
+* '''''OsDDM1''''' genes function to silence endogenous loci including those related to retrotransposons in the rice genome, however, their roles on transposition of active.
-DNA strands in rice genome like OsDDM1a.It mainly keeps the methylation level on
+transposons in the genome remains unknown.
-repeated sequences rather than single copy sequences.
+* Hypomethylation induced by the antisense '''''OsDDM1''''' disturbs normal development.
 ===Expression===
-Cytosine methylation in the plant genome is very important in establishing the epigenetic states of chromosome regions. The Decrease
+* '''''OsDDM1a''''' and '''''OsDDM1b''''' are expressed during development with slight variations among various tissues, suggesting that there might be functional divergence of these two genes (Fig. 1c).
 ==Labs working on this gene==
-CREST, Japan Science and Technology Agency,Kawaguchi 332-0012, Japan
+==References==
 ==Structured Information==

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 ==Structured Information==
 [[Category:Genes]]
 [[Category:Japonica mRNA]]

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 Both rice OsDDM1a and OsDDM1b proteins contain the eight signature
 amino acid motifs diagnostic for SWI2/SNF2 proteins.
-[[File:Osddm1a.jpg|left|thumb|200px|''Structure of OsDDM1 and Arabidopsis DDM1 (from reference <ref name="ref1" />).'']]
+[[File:Osddm1a.jpg|right|thumb|200px|''Structure of OsDDM1 and Arabidopsis DDM1 (from reference <ref name="ref1" />).'']]
-[[File:E_1.jpg|left|thumb|300px|''Alignment of proteins encoded by DDM1-like genes among speciecs (from reference <ref name="ref1" />).'']]
+[[File:E_1.jpg|right|thumb|300px|''Alignment of proteins encoded by DDM1-like genes among speciecs (from reference <ref name="ref1" />).'']]
 By comparing the DDM1-like prteins encoded in the maize genome,Arabidopsis DDM1 and the mouse LSH with the two rice DDM1-like proteins,the envolution relationship is showed as below.We can see that they appear to have arisen by a relatively recent
 duplication event.

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 related loci were up-regulated in the antisense OsDDM1 lines.OsDDM1a and OsDDM1b are expressed during development with slight
 variations among various tissues, suggesting that there might be functional divergence of these two genes.
 ===Mutant Phenotype===
@@ Line 32: / Line 32: @@
 Both rice OsDDM1a and OsDDM1b proteins contain the eight signature
 amino acid motifs diagnostic for SWI2/SNF2 proteins.
+[[File:Osddm1a.jpg|left|thumb|200px|''Structure of OsDDM1 and Arabidopsis DDM1 (from reference <ref name="ref1" />).'']]
+[[File:E_1.jpg|left|thumb|300px|''Alignment of proteins encoded by DDM1-like genes among speciecs (from reference <ref name="ref1" />).'']]
 By comparing the DDM1-like prteins encoded in the maize genome,Arabidopsis DDM1 and the mouse LSH with the two rice DDM1-like proteins,the envolution relationship is showed as below.We can see that they appear to have arisen by a relatively recent
 duplication event.
+[[File:E_2.jpg|right|thumb|200px|''envolution relationship in rice,maize,Arabidopsis and mouse (from reference <ref name="ref1" />).'']]
 ==Labs working on this gene==

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 DNA strands in rice genome like OsDDM1a.It mainly keeps the methylation level on
 repeated sequences rather than single copy sequences.
 ===Expression===
 Cytosine methylation in the plant genome is very important in establishing the epigenetic states of chromosome regions. The Decrease
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 [[File:expression.jpg|300px]]
 ===Evolution===
 OsDDM1b(Os03g0722400) is 93% identical to another gene OsDDM1a(Os09g0442700) in the

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 ===Mutant Phenotype===
-We can observe dwarf phenotypes in OsDDM1 mutant lines generated through the antisense technology. [[File:dwarf phenotype.jpg|left|thumb|150px|''Dwarf phenotype in OsDDM1-mutant lines (from reference <ref name="ref1" />).'']]Except the dwarf phenotypes, no other significant specific morphological aberration was observed in independent OsDDM1 mutant lines. However, in some sublines, researchers observed reduced fertility relative to normal lines.
+We can observe dwarf phenotypes in OsDDM1 mutant lines generated through the antisense technology. [[File:dwarf phenotype.jpg|right|thumb|150px|''Dwarf phenotype in OsDDM1-mutant lines (from reference <ref name="ref1" />).'']]Except the dwarf phenotypes, no other significant specific morphological aberration was observed in independent OsDDM1 mutant lines. However, in some sublines, researchers observed reduced fertility relative to normal lines.
 ===Expression===