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	<entry>
		<id>https://ngdc.cncb.ac.cn/ricewiki/index.php?title=Os01g0777300&amp;diff=183947</id>
		<title>Os01g0777300</title>
		<link rel="alternate" type="text/html" href="https://ngdc.cncb.ac.cn/ricewiki/index.php?title=Os01g0777300&amp;diff=183947"/>
				<updated>2014-06-11T14:07:15Z</updated>
		
		<summary type="html">&lt;p&gt;Mume: /* References */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Please input one-sentence summary here.&lt;br /&gt;
&lt;br /&gt;
==Annotated Information==&lt;br /&gt;
===Function===&lt;br /&gt;
In line #6, which showed approximately two blue spots per 100 mg of calli in the control, overexpression of I-SceI increased the number of GUS spots 2.3-fold, overexpression of OsExo1 increased GUS spots 3.6-fold and overexpression of OsRecQl4 increased GUS spots 2.5-fold. Overexpression of OsExo1or OsRecQl4 with I-SceI increased the number of GUS spots by 18- or 15-fold, respectively. Furthermore, we observed a synergistic effect of OsExo1 and OsRecQl4; a 29.8-fold increment was observed. However, in line #2, which showed approximately 20 blue spots per 100 mg of calli even in the control, no effects of the expression of each of the three genes were apparent. Nevertheless, both lines demonstrated that enhanced restoration of the GUS gene occurred upon DSB induction by I-SceI with OsRecQl4 or OsExo1. The results presented here suggest strongly that OsRecQl4 and OsExo1 enhance processing of the 50 end resection step after DSB induction by transiently expressed I-SceI and subsequent repair by HR and/or SSA in rice. The stable transformation of OsExo1 might be toxic for rice cells even when using the b-estradiol induction system. The overexpression of either OsRecQl4 or OsExo1 can enhance the processing of DSBs for efficient HR and SSA. BLM promotes resection of DNA strands in the 50-ssDNA resection step, and also removes Rad51 from ssDNA after invasion of the template.&lt;br /&gt;
&lt;br /&gt;
===Expression===&lt;br /&gt;
We investigated the frequency of GUS gene restoration using the following expression constructs: Pubi::OsExo1::TrbcS, Pubi::OsRecQl4::TrbcS and P2X35S::I-SceI::Thsp. The OsExo1 or OsRecQl4constructs were inserted into the pZK2 binary vector, OsExo1and I-SceI were inserted in the pZK2 binary vector, OsRecQl4and I-SceI were inserted in the pZD202 binary vector, and OsExo1, OsRecQl4and I-SceI were inserted into pZD202.&lt;br /&gt;
&lt;br /&gt;
===Evolution===&lt;br /&gt;
&lt;br /&gt;
Overexpression of OsRecQl4 and/or OsExo1 with the combination of I-SceI digestion further enhances the frequency of GUS restoration, probably due to enhanced resection of the I-SceI sites. The overexpression of either OsRecQl4 or OsExo1 alone, without I-SceI digestion, leads to increased numbers of GUS spots. This&lt;br /&gt;
result suggests that spontaneously occurring DSBs in the GU–US construct were also progressively processed by overexpressed OsRecQl4 or OsExo1.&lt;br /&gt;
&lt;br /&gt;
==Labs working on this gene==&lt;br /&gt;
Please input related labs here.&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
Please input cited references here.&lt;br /&gt;
1. Yong-Ik Kwon;Kiyomi Abe;Keishi Osakabe;Masaki Endo;Ayako Nishizawa-Yokoi;Hiroaki Saika;Hiroaki Shimada;Seiichi Toki Overexpression of OsRecQl4 and/or OsExo1 Enhances DSB-Induced Homologous Recombination in Rice Plant and Cell Physiology, 2012, 53(12): 2142-2152&lt;br /&gt;
2. Tomoyuki Furukawa;Tomohiro Imamura;Hiroko K. Kitamoto;Hiroaki Shimada Rice exonuclease-1 homologue, OsEXO1, that interacts with DNA polymerase λ and RPA subunit proteins, is involved in cell proliferation Plant Molecular Biology, 2008, 66(5): 519-531&lt;br /&gt;
3.Furukawa, T., Imamura, T., Kitamoto, H.K. and Shimada, H. (2008) Rice exonuclease-1 homologue, OsEXO1, that interacts with DNA polymerase lambda and RPA subunit proteins, is involved in cell proliferation. Plant Mol. Biol.66: 519–531.&lt;br /&gt;
4.Li, H.Q., Terada, R., Li, M.R. and Iida, S. (2004) RecQ helicase enhances homologous recombination in plants.FEBS Lett.574: 151–155.&lt;br /&gt;
5.Tishkoff, D.X., Amin, N.S., Viars, C.S., Arden, K.C. and Kolodner, R.D.(1998) Identification of a human gene encoding a homologue of Saccharomyces cerevisiae EXO1, an exonuclease implicated in mismatch repair and recombination.Cancer Res.58: 5027–5031.&lt;br /&gt;
&lt;br /&gt;
==Structured Information==&lt;br /&gt;
{{JaponicaGene|&lt;br /&gt;
GeneName = Os01g0777300|&lt;br /&gt;
Description = DNA repair protein (XPGC)/yeast Rad family protein|&lt;br /&gt;
Version = NM_001050956.2 GI:297597716 GeneID:4327899|&lt;br /&gt;
Length = 6382 bp|&lt;br /&gt;
Definition = Oryza sativa Japonica Group Os01g0777300, complete gene.|&lt;br /&gt;
Source = Oryza sativa Japonica Group&lt;br /&gt;
&lt;br /&gt;
  ORGANISM  Oryza sativa Japonica Group&lt;br /&gt;
            Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;&lt;br /&gt;
            Spermatophyta; Magnoliophyta; Liliopsida; Poales; Poaceae; BEP&lt;br /&gt;
            clade; Ehrhartoideae; Oryzeae; Oryza.&lt;br /&gt;
|&lt;br /&gt;
Chromosome = [[:category:Japonica Chromosome 1|Chromosome 1]]|&lt;br /&gt;
AP = Chromosome 1:34649248..34655629|&lt;br /&gt;
CDS = 34649281..34649441,34650177..34650296,34650566..34650689,34650812..34650949,34651080..34651289&amp;lt;br&amp;gt;,34651673..34651847,34652105..34652178,34652625..34652751,34653043..34653389&amp;lt;br&amp;gt;,34653497..34653551,34653675..34653970,34654068..34654119,34654328..34654535&amp;lt;br&amp;gt;,34654652..34655075|&lt;br /&gt;
GCID = &amp;lt;gbrowseImage1&amp;gt;&lt;br /&gt;
name=NC_008394:34649248..34655629&lt;br /&gt;
source=RiceChromosome01&lt;br /&gt;
preset=GeneLocation&lt;br /&gt;
&amp;lt;/gbrowseImage1&amp;gt;|&lt;br /&gt;
GSID = &amp;lt;gbrowseImage2&amp;gt;&lt;br /&gt;
name=NC_008394:34649248..34655629&lt;br /&gt;
source=RiceChromosome01&lt;br /&gt;
preset=GeneLocation&lt;br /&gt;
&amp;lt;/gbrowseImage2&amp;gt;|&lt;br /&gt;
CDNA = &amp;lt;cdnaseq&amp;gt;atggggatccagggattgctgccgcagctgaagtcgatcatggcgcccatcggggtggaggcgctcaagggccagacggtggccgtcgacacctactcctggctccacaagggcgccctctcctgcggcgaccgcctctgcaagggcctacccaccaccaggcatattgagtattgcatgcatagggttaacatgttgcggcaccatggcgtgaaaccaatccttgtatttgacggaggtcatctgccgatgaagggtgatcaagagactaaacgtgaaaggtcacgaaaggaaaatcttgagcgtgccaaggagcatgaatctgctgggaattcacgtgctgcttttgagtgttatcagaaagctgttgacattacacctaggattgcttttgaactgatccaggtattgaagcaagaaaaggttgattatattgttgcgccttatgaagcagatgcacaaatgacattcttgtctgtgaacaaacttgttgatgccgttatcacagaggattctgatctgataccatttggctgttctagaattattttcaagatggacaagtttggacaaggtgttgaatttcatattacacgattgcagcgatgcagggagcttgatcttaatggattcactatgcaaatgctactagagatgtgtattttaagtggctgtgattatcttccatcattgcctggaatgggtgtgaaacgagctcatgcacttatccaaaagctcaagggtcatgaaaaggtaatcaagcacctgaggtacagtgctgtttctgttccacctcaatatgaagaaaacttcagaaaggcgatctgggcatttcagttccaaagagtttatgaccctgtgacggaagatattgttcatttgtcaggcattccccatggcagtagtgaagacttggactttttgggcccatggctaccacagactgttgctaaaggcattgcccaagggaatatcgatccgattaccaaggaaccatttgagggcaaaacagagagtagcgcactcgcttttgataaagtgcatctgaacagagagtccagtgctccttcaaatggaaagaaaaagcttgatctacctgtccaaagaaacgtattgacaaattacttctgcttagcatcgcttgaggcaaaacggaagttcagagcacctaaggttacacctaagcaacaagtacttaatgggtctttgcccagtcccagaattgaagactctggtacccctgatttaattgaagatactagcttgccatcaaataacattcaagtttatcagtgtagttctgagcattttagctcaggaacccctctagatgattcaatcaataccgcctctcaatgtagttctgagcgtgtccgctgtgacatccctcgggatgattcagccagtgtttcaccccagtgttctcatgatattggtagtgatcctgctgaggacccagacattgaaggcaacaaggtgaaagtcaacttctgcaacagaagtacaataccgacaggctctttcttagaggggactttgcctgggatatcagatccatttttagattcacacaacacagagccatccagagctgcaccacgttatgctgaaaaaagcaatgtggtctctgccaatagaaatattactgtgaggagttcatatttcaaaacagtaaataaaagagtttgcacaaatcaaggagaagatgagtgccatgatgaagataactgcgagactggtaattacactcttcctggagatcaacaaagaagctctggaggtatattgaagagaagaaaatttagtgatccccaaaattttgaagatggaatgtttcaacccactagtcctcatgaaagtccaccggttgctgataaaggctgtgactctgattcccacgacggtatcaacacaaattctgaaggaaaatttggatgcaatgtcgcccatgtaaataaatacagtggcattgcagagaaatcaatggataagtttgctgcgctgatatcatctttcagatacgcaggctctcgtgccagtggtcttcgcgctcctttaaaggatgtgaagaacactcttcctgtcagatctgttctcagacctccagaacagagattcggttgtacggctaagaagactactagagtgcctctacaaagcagattctcaagtgatgctacaaacagcactgacgttcctgatctgagcacatttgcatacaggcctacaactgcttctgctcattctgatcaggggaagatcacaagcaaagctacagatgctgctgctggacctcctgacctgagaacatttgcttatgcaccaacaagatctaccaccagccgttttgatcagagtgaaaacacgcgcaaagctatgtgcactgcggacagccctcctgatattagcacattcgaatataaacccatgaaaagcgccgtcagacgttcagatgggagcaagttttcaggtgcagcactaaaagcagctagacgaacctctcggagctga&amp;lt;/cdnaseq&amp;gt;|&lt;br /&gt;
AA = &amp;lt;aaseq&amp;gt;MGIQGLLPQLKSIMAPIGVEALKGQTVAVDTYSWLHKGALSCGD                     RLCKGLPTTRHIEYCMHRVNMLRHHGVKPILVFDGGHLPMKGDQETKRERSRKENLER                     AKEHESAGNSRAAFECYQKAVDITPRIAFELIQVLKQEKVDYIVAPYEADAQMTFLSV                     NKLVDAVITEDSDLIPFGCSRIIFKMDKFGQGVEFHITRLQRCRELDLNGFTMQMLLE                     MCILSGCDYLPSLPGMGVKRAHALIQKLKGHEKVIKHLRYSAVSVPPQYEENFRKAIW                     AFQFQRVYDPVTEDIVHLSGIPHGSSEDLDFLGPWLPQTVAKGIAQGNIDPITKEPFE                     GKTESSALAFDKVHLNRESSAPSNGKKKLDLPVQRNVLTNYFCLASLEAKRKFRAPKV                     TPKQQVLNGSLPSPRIEDSGTPDLIEDTSLPSNNIQVYQCSSEHFSSGTPLDDSINTA                     SQCSSERVRCDIPRDDSASVSPQCSHDIGSDPAEDPDIEGNKVKVNFCNRSTIPTGSF                     LEGTLPGISDPFLDSHNTEPSRAAPRYAEKSNVVSANRNITVRSSYFKTVNKRVCTNQ                     GEDECHDEDNCETGNYTLPGDQQRSSGGILKRRKFSDPQNFEDGMFQPTSPHESPPVA                     DKGCDSDSHDGINTNSEGKFGCNVAHVNKYSGIAEKSMDKFAALISSFRYAGSRASGL                     RAPLKDVKNTLPVRSVLRPPEQRFGCTAKKTTRVPLQSRFSSDATNSTDVPDLSTFAY                     RPTTASAHSDQGKITSKATDAAAGPPDLRTFAYAPTRSTTSRFDQSENTRKAMCTADS                     PPDISTFEYKPMKSAVRRSDGSKFSGAALKAARRTSRS&amp;lt;/aaseq&amp;gt;|&lt;br /&gt;
DNA = &amp;lt;dnaseqindica&amp;gt;34..194#930..1049#1319..1442#1565..1702#1833..2042#2426..2600#2858..2931#3378..3504#3796..4142#4250..4304#4428..4723#4821..4872#5081..5288#5405..5828#gagagagagagagagagagagagagaggcggcaatggggatccagggattgctgccgcagctgaagtcgatcatggcgcccatcggggtggaggcgctcaagggccagacggtggccgtcgacacctactcctggctccacaagggcgccctctcctgcggcgaccgcctctgcaagggcctacccaccaccaggttcggctccggtgacctccccccttttcttggaacccagggtttcttaatccatttcgccgattggtgagacctaaatcgacggatccgggaaatctacttcttccccacgagcgtattgacagctgctggtcctaccaggggtttcttccgattttgttttcttggtcccgactggtgaaatccatttcggaggaggggtaaaaggcacgtcttgcttcggatgagagatttccgcattttttaggtgggtgtaggaaggggggggggatttcttgtttgttcagtctctctcaggattaaggtaataaatgtgcggcatttgttttcgcccccttccaggggcagtacatttactgaaatttgttatccgcctcagtgcccagattcttgtatgtctaggttgcattgaataaaatacacacttgggagagatccgctgcttggcatctggtgccgctttagttcagagaattcaccattttagtttgtggaatttttattggaaatagcttagacatgaatagttcaataaacgttaacaatagcttagcattgttagtagtatctttttactgtatgggatatcttctaacattgctgcatttttgatgtcgtgaactcataatgcggagggccatagatttgcaactccagtttttatcatcatttatcaccgttgtagttgagcaccataacttacaccttgtgtttcccctcctgaatctgaaccaggcatattgagtattgcatgcatagggttaacatgttgcggcaccatggcgtgaaaccaatccttgtatttgacggaggtcatctgccgatgaagggtgatcaagagactaaacgtgaaaggtatgttctttcttagggctccagaaagagcctaacatgtttcagttgccaaggaacatctacattacccttacagaacattaaaaaaaattgtgatttgacattttacatacggctatagttatggacaactgtggctttaggctgatatagagcagtcgcattattagtacagactagtggataagctaaaggcctccagccattctttgctatgtgatgtttcttgagtcattggatgctaagcaagtaagcatgacatcctgtaggtcacgaaaggaaaatcttgagcgtgccaaggagcatgaatctgctgggaattcacgtgctgcttttgagtgttatcagaaagctgttgacattacacctaggattgcttttgaactgatccaggtaaaggagcaaattccatgtatttttaccaaatatttaccacctatttgaagcagttctagtcaggagtaggaacatttggcttgtcttaactgattattgttccaaaacttgcaatgcaggtattgaagcaagaaaaggttgattatattgttgcgccttatgaagcagatgcacaaatgacattcttgtctgtgaacaaacttgttgatgccgttatcacagaggattctgatctgataccatttggctgttctagagtaagcacagtgttaaaacgctttatctttgtcctccacgtaccccatagtattttgctgctcagctagattagtgttcatagtttgttgtaacttctctaattaaaatgcatcttattccattgtgcagattattttcaagatggacaagtttggacaaggtgttgaatttcatattacacgattgcagcgatgcagggagcttgatcttaatggattcactatgcaaatgctactagagatgtgtattttaagtggctgtgattatcttccatcattgcctggaatgggtgtgaaacgagctcatgcacttatccaaaagctcaagggtcatgaaaaggtaaaccctgtatctgttgtatcaaatactaactttaggcctagttggaattggaaagaactgattcatgaactaacatgaacgatgcctgagatagtgttcaagacctacaaagcatggtaagaaaaggctggatagtagaaccagaatgcagttctacttagacataactacagaaggcaaggcctcaacacaaaattgattgcttcaacttttatgaggccaccgtcttgtacttaggtcattagccaatccatagcctgtcatacatgcaggacatgatttgagttactactgagcttgtagggcaacgatgtgcaatcactttcttgcttagcaaattagaaaaaaaaataatgagcaaatgatgcgtataatttcaggtaatcaagcacctgaggtacagtgctgtttctgttccacctcaatatgaagaaaacttcagaaaggcgatctgggcatttcagttccaaagagtttatgaccctgtgacggaagatattgttcatttgtcaggcattccccatggcagtagtgaagacttggactttttgggcccatatccttgccaaacttatatttgtacaatagatgctaaagctcattcatatgataacctgttgttttatccaccataagtccataaggatgaatttccacttttgtttggtcatgtctaatggccattatacaagttgcgttagaaagtaagctaacggcctttcaatgccaccatttctcagtaataccgaattgtgttacttgaagaaaatctcaacttgcatgcattggatcttttccttaattggtttatacatggctaccacagactgttgctaaaggcattgcccaagggaatatcgatccgattaccaaggaaccatttgaggtactaccgatcttccctcggttgttttggtttcttggtgctttgtttccttgaatgtaatttcatcctactctgattctgtgcactgcatatgtataaacatacccaagcatcaatatgcaaatacaaacgaggggctcttgaaaatggttgtaagctcactgaaatatccaatcagaggctacagagcattacagaagctcattagagaaaaacagataaaaatccataaaatattttgtaagaaaaaaatgtagggtcctcactgaaataagaaagtacattgtaagtgatcatggttttactgatgtactctgttttattaaagatcaccagtatgcaagcatttgctttgctgacatgcgaataccaacattcaattttatcttttgtggattgtcttactaagaagttatatatgttttatttgtatatgtgacttgcagggcaaaacagagagtagcgcactcgcttttgataaagtgcatctgaacagagagtccagtgctccttcaaatggaaagaaaaagcttgatctacctgtccaaagaaacgtattgacaaattacttctgtatcctctcaacacattttaatttaattgagagaacaatatatataccaatcaactttattatatgaactacttgttgcagcttatattatgggaatgccttggataagatagttcagttattgtgctttctcgttcccaaacatgtttaggatcaaatgaagaactaataatttccccataaacttatttacgaagtctaaggtgatgtgcgattcttagcatggtattttgcttgttttgtaaacaatacttcaactgtccattggatgaatccttgacttttagaaggcttagcatcgcttgaggcaaaacggaagttcagagcacctaaggttacacctaagcaacaagtacttaatgggtctttgcccagtcccagaattgaagactctggtacccctgatttaattgaagatactagcttgccatcaaataacattcaagtttatcagtgtagttctgagcattttagctcaggaacccctctagatgattcaatcaataccgcctctcaatgtagttctgagcgtgtccgctgtgacatccctcgggatgattcagccagtgtttcaccccagtgttctcatgatattggtagtgatcctgctgaggacccagacattgaaggcaacaaggtatttcacgtttctttattgccttattttcagtgttctcgtagtcctacctttctacaacaatatcgtatttccgtcattcttatagttttacttctgctatacaggtgaaagtcaacttctgcaacagaagtacaataccgacaggctctttcttagagggtaagagctctacctttttgtagttgatgcatgacttgatctgcaaatcatgtactggtatatctaattaaaatgaaaataatcttggtttctgttttgtatgcatttattttcgttttctagggactttgcctgggatatcagatccatttttagattcacacaacacagagccatccagagctgcaccacgttatgctgaaaaaagcaatgtggtctctgccaatagaaatattactgtgaggagttcatatttcaaaacagtaaataaaagagtttgcacaaatcaaggagaagatgagtgccatgatgaagataactgcgagactggtaattacactcttcctggagatcaacaaagaagctctggaggtatattgaagagaagaaaatttagtgatccccaaaattttgaagatgtaagcaatttttttttgagttgttattctatcatcatatcgcagtgaactgtctgtatcattctactatctggtcttgaatgtactatttgtgcagggaatgtttcaacccactagtcctcatgaaagtccaccggttgctgataaaggtaatagttccacctagttgtctgttcttattctctgtgagaatgtgcacctttccttgttccatttctctatagataaacttgtgacgattacaagaaattcagtttttccaaaaacaacagaaggttctgccaatgtttgagtgtgcgtagttccctttttttttgttgctgagggaaatcttctgaatgtctgatactaatgcaggctgtgactctgattcccacgacggtatcaacacaaattctgaaggaaaatttggatgcaatgtcgcccatgtaaataaatacagtggcattgcagagaaatcaatggataagtttgctgcgctgatatcatctttcagatacgcaggctctcgtgccagtggtcttcgcgctcctttaaaggatgtgaagaacactcttcctgtcaggtctgcagcttcagaaaatttcaattgcaccaagttcacacaatttacttatcagaacttaagagggggacacagttgtcccaatgagttgatatattttataacattaattgcagatctgttctcagacctccagaacagagattcggttgtacggctaagaagactactagagtgcctctacaaagcagattctcaagtgatgctacaaacagcactgacgttcctgatctgagcacatttgcatacaggcctacaactgcttctgctcattctgatcaggggaagatcacaagcaaagctacagatgctgctgctggacctcctgacctgagaacatttgcttatgcaccaacaagatctaccaccagccgttttgatcagagtgaaaacacgcgcaaagctatgtgcactgcggacagccctcctgatattagcacattcgaatataaacccatgaaaagcgccgtcagacgttcagatgggagcaagttttcaggtgcagcactaaaagcagctagacgaacctctcggagctgattctcacaaaattgtggatgcacctgccagcttccttatctgagcatgtttggatttgcgtatgccttctgtctgcgttcatgatctgagttcaacagaatcatccagcaacaaatgctctcaataaaagtgcattccattttgcccaaagtgcaagcacggctgaggtagctgccattcactactactagctgcagggcttatcagttcagacttcagagctcatccgtatctgcgcaatcagaagcacacatgttctgaagggaagtgctttatcttctcggtttccagagccaattatgtggcattttgcgagccaaatgtatgtgctcgtttttgccttgtccaatgaggttcttgtatgaacagcagtcgaatttgcgatgctatttaagccgcaaatgaggatactgttgtattgttcctttttgagaagatactgctgtatgttcattcttatacaagtgtgagcattccttcagaattcagatagcattactcttgtcaactattgatcaagatgttggaaagactttgaaaccggctgtttaagc&amp;lt;/dnaseqindica&amp;gt;|&lt;br /&gt;
Link = [http://www.ncbi.nlm.nih.gov/nuccore/NM_001050956.2 RefSeq:Os01g0777300]|&lt;br /&gt;
}}&lt;br /&gt;
[[Category:Genes]]&lt;br /&gt;
[[Category:Japonica mRNA]]&lt;br /&gt;
[[Category:Oryza Sativa Japonica Group]]&lt;br /&gt;
[[Category:Japonica Genes]]&lt;br /&gt;
[[Category:Japonica Chromosome 1]]&lt;br /&gt;
[[Category:Chromosome 1]]&lt;/div&gt;</summary>
		<author><name>Mume</name></author>	</entry>

	<entry>
		<id>https://ngdc.cncb.ac.cn/ricewiki/index.php?title=Os01g0777300&amp;diff=183946</id>
		<title>Os01g0777300</title>
		<link rel="alternate" type="text/html" href="https://ngdc.cncb.ac.cn/ricewiki/index.php?title=Os01g0777300&amp;diff=183946"/>
				<updated>2014-06-11T14:00:44Z</updated>
		
		<summary type="html">&lt;p&gt;Mume: /* Annotated Information */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Please input one-sentence summary here.&lt;br /&gt;
&lt;br /&gt;
==Annotated Information==&lt;br /&gt;
===Function===&lt;br /&gt;
In line #6, which showed approximately two blue spots per 100 mg of calli in the control, overexpression of I-SceI increased the number of GUS spots 2.3-fold, overexpression of OsExo1 increased GUS spots 3.6-fold and overexpression of OsRecQl4 increased GUS spots 2.5-fold. Overexpression of OsExo1or OsRecQl4 with I-SceI increased the number of GUS spots by 18- or 15-fold, respectively. Furthermore, we observed a synergistic effect of OsExo1 and OsRecQl4; a 29.8-fold increment was observed. However, in line #2, which showed approximately 20 blue spots per 100 mg of calli even in the control, no effects of the expression of each of the three genes were apparent. Nevertheless, both lines demonstrated that enhanced restoration of the GUS gene occurred upon DSB induction by I-SceI with OsRecQl4 or OsExo1. The results presented here suggest strongly that OsRecQl4 and OsExo1 enhance processing of the 50 end resection step after DSB induction by transiently expressed I-SceI and subsequent repair by HR and/or SSA in rice. The stable transformation of OsExo1 might be toxic for rice cells even when using the b-estradiol induction system. The overexpression of either OsRecQl4 or OsExo1 can enhance the processing of DSBs for efficient HR and SSA. BLM promotes resection of DNA strands in the 50-ssDNA resection step, and also removes Rad51 from ssDNA after invasion of the template.&lt;br /&gt;
&lt;br /&gt;
===Expression===&lt;br /&gt;
We investigated the frequency of GUS gene restoration using the following expression constructs: Pubi::OsExo1::TrbcS, Pubi::OsRecQl4::TrbcS and P2X35S::I-SceI::Thsp. The OsExo1 or OsRecQl4constructs were inserted into the pZK2 binary vector, OsExo1and I-SceI were inserted in the pZK2 binary vector, OsRecQl4and I-SceI were inserted in the pZD202 binary vector, and OsExo1, OsRecQl4and I-SceI were inserted into pZD202.&lt;br /&gt;
&lt;br /&gt;
===Evolution===&lt;br /&gt;
&lt;br /&gt;
Overexpression of OsRecQl4 and/or OsExo1 with the combination of I-SceI digestion further enhances the frequency of GUS restoration, probably due to enhanced resection of the I-SceI sites. The overexpression of either OsRecQl4 or OsExo1 alone, without I-SceI digestion, leads to increased numbers of GUS spots. This&lt;br /&gt;
result suggests that spontaneously occurring DSBs in the GU–US construct were also progressively processed by overexpressed OsRecQl4 or OsExo1.&lt;br /&gt;
&lt;br /&gt;
==Labs working on this gene==&lt;br /&gt;
Please input related labs here.&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
Please input cited references here.&lt;br /&gt;
&lt;br /&gt;
==Structured Information==&lt;br /&gt;
{{JaponicaGene|&lt;br /&gt;
GeneName = Os01g0777300|&lt;br /&gt;
Description = DNA repair protein (XPGC)/yeast Rad family protein|&lt;br /&gt;
Version = NM_001050956.2 GI:297597716 GeneID:4327899|&lt;br /&gt;
Length = 6382 bp|&lt;br /&gt;
Definition = Oryza sativa Japonica Group Os01g0777300, complete gene.|&lt;br /&gt;
Source = Oryza sativa Japonica Group&lt;br /&gt;
&lt;br /&gt;
  ORGANISM  Oryza sativa Japonica Group&lt;br /&gt;
            Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;&lt;br /&gt;
            Spermatophyta; Magnoliophyta; Liliopsida; Poales; Poaceae; BEP&lt;br /&gt;
            clade; Ehrhartoideae; Oryzeae; Oryza.&lt;br /&gt;
|&lt;br /&gt;
Chromosome = [[:category:Japonica Chromosome 1|Chromosome 1]]|&lt;br /&gt;
AP = Chromosome 1:34649248..34655629|&lt;br /&gt;
CDS = 34649281..34649441,34650177..34650296,34650566..34650689,34650812..34650949,34651080..34651289&amp;lt;br&amp;gt;,34651673..34651847,34652105..34652178,34652625..34652751,34653043..34653389&amp;lt;br&amp;gt;,34653497..34653551,34653675..34653970,34654068..34654119,34654328..34654535&amp;lt;br&amp;gt;,34654652..34655075|&lt;br /&gt;
GCID = &amp;lt;gbrowseImage1&amp;gt;&lt;br /&gt;
name=NC_008394:34649248..34655629&lt;br /&gt;
source=RiceChromosome01&lt;br /&gt;
preset=GeneLocation&lt;br /&gt;
&amp;lt;/gbrowseImage1&amp;gt;|&lt;br /&gt;
GSID = &amp;lt;gbrowseImage2&amp;gt;&lt;br /&gt;
name=NC_008394:34649248..34655629&lt;br /&gt;
source=RiceChromosome01&lt;br /&gt;
preset=GeneLocation&lt;br /&gt;
&amp;lt;/gbrowseImage2&amp;gt;|&lt;br /&gt;
CDNA = &amp;lt;cdnaseq&amp;gt;atggggatccagggattgctgccgcagctgaagtcgatcatggcgcccatcggggtggaggcgctcaagggccagacggtggccgtcgacacctactcctggctccacaagggcgccctctcctgcggcgaccgcctctgcaagggcctacccaccaccaggcatattgagtattgcatgcatagggttaacatgttgcggcaccatggcgtgaaaccaatccttgtatttgacggaggtcatctgccgatgaagggtgatcaagagactaaacgtgaaaggtcacgaaaggaaaatcttgagcgtgccaaggagcatgaatctgctgggaattcacgtgctgcttttgagtgttatcagaaagctgttgacattacacctaggattgcttttgaactgatccaggtattgaagcaagaaaaggttgattatattgttgcgccttatgaagcagatgcacaaatgacattcttgtctgtgaacaaacttgttgatgccgttatcacagaggattctgatctgataccatttggctgttctagaattattttcaagatggacaagtttggacaaggtgttgaatttcatattacacgattgcagcgatgcagggagcttgatcttaatggattcactatgcaaatgctactagagatgtgtattttaagtggctgtgattatcttccatcattgcctggaatgggtgtgaaacgagctcatgcacttatccaaaagctcaagggtcatgaaaaggtaatcaagcacctgaggtacagtgctgtttctgttccacctcaatatgaagaaaacttcagaaaggcgatctgggcatttcagttccaaagagtttatgaccctgtgacggaagatattgttcatttgtcaggcattccccatggcagtagtgaagacttggactttttgggcccatggctaccacagactgttgctaaaggcattgcccaagggaatatcgatccgattaccaaggaaccatttgagggcaaaacagagagtagcgcactcgcttttgataaagtgcatctgaacagagagtccagtgctccttcaaatggaaagaaaaagcttgatctacctgtccaaagaaacgtattgacaaattacttctgcttagcatcgcttgaggcaaaacggaagttcagagcacctaaggttacacctaagcaacaagtacttaatgggtctttgcccagtcccagaattgaagactctggtacccctgatttaattgaagatactagcttgccatcaaataacattcaagtttatcagtgtagttctgagcattttagctcaggaacccctctagatgattcaatcaataccgcctctcaatgtagttctgagcgtgtccgctgtgacatccctcgggatgattcagccagtgtttcaccccagtgttctcatgatattggtagtgatcctgctgaggacccagacattgaaggcaacaaggtgaaagtcaacttctgcaacagaagtacaataccgacaggctctttcttagaggggactttgcctgggatatcagatccatttttagattcacacaacacagagccatccagagctgcaccacgttatgctgaaaaaagcaatgtggtctctgccaatagaaatattactgtgaggagttcatatttcaaaacagtaaataaaagagtttgcacaaatcaaggagaagatgagtgccatgatgaagataactgcgagactggtaattacactcttcctggagatcaacaaagaagctctggaggtatattgaagagaagaaaatttagtgatccccaaaattttgaagatggaatgtttcaacccactagtcctcatgaaagtccaccggttgctgataaaggctgtgactctgattcccacgacggtatcaacacaaattctgaaggaaaatttggatgcaatgtcgcccatgtaaataaatacagtggcattgcagagaaatcaatggataagtttgctgcgctgatatcatctttcagatacgcaggctctcgtgccagtggtcttcgcgctcctttaaaggatgtgaagaacactcttcctgtcagatctgttctcagacctccagaacagagattcggttgtacggctaagaagactactagagtgcctctacaaagcagattctcaagtgatgctacaaacagcactgacgttcctgatctgagcacatttgcatacaggcctacaactgcttctgctcattctgatcaggggaagatcacaagcaaagctacagatgctgctgctggacctcctgacctgagaacatttgcttatgcaccaacaagatctaccaccagccgttttgatcagagtgaaaacacgcgcaaagctatgtgcactgcggacagccctcctgatattagcacattcgaatataaacccatgaaaagcgccgtcagacgttcagatgggagcaagttttcaggtgcagcactaaaagcagctagacgaacctctcggagctga&amp;lt;/cdnaseq&amp;gt;|&lt;br /&gt;
AA = &amp;lt;aaseq&amp;gt;MGIQGLLPQLKSIMAPIGVEALKGQTVAVDTYSWLHKGALSCGD                     RLCKGLPTTRHIEYCMHRVNMLRHHGVKPILVFDGGHLPMKGDQETKRERSRKENLER                     AKEHESAGNSRAAFECYQKAVDITPRIAFELIQVLKQEKVDYIVAPYEADAQMTFLSV                     NKLVDAVITEDSDLIPFGCSRIIFKMDKFGQGVEFHITRLQRCRELDLNGFTMQMLLE                     MCILSGCDYLPSLPGMGVKRAHALIQKLKGHEKVIKHLRYSAVSVPPQYEENFRKAIW                     AFQFQRVYDPVTEDIVHLSGIPHGSSEDLDFLGPWLPQTVAKGIAQGNIDPITKEPFE                     GKTESSALAFDKVHLNRESSAPSNGKKKLDLPVQRNVLTNYFCLASLEAKRKFRAPKV                     TPKQQVLNGSLPSPRIEDSGTPDLIEDTSLPSNNIQVYQCSSEHFSSGTPLDDSINTA                     SQCSSERVRCDIPRDDSASVSPQCSHDIGSDPAEDPDIEGNKVKVNFCNRSTIPTGSF                     LEGTLPGISDPFLDSHNTEPSRAAPRYAEKSNVVSANRNITVRSSYFKTVNKRVCTNQ                     GEDECHDEDNCETGNYTLPGDQQRSSGGILKRRKFSDPQNFEDGMFQPTSPHESPPVA                     DKGCDSDSHDGINTNSEGKFGCNVAHVNKYSGIAEKSMDKFAALISSFRYAGSRASGL                     RAPLKDVKNTLPVRSVLRPPEQRFGCTAKKTTRVPLQSRFSSDATNSTDVPDLSTFAY                     RPTTASAHSDQGKITSKATDAAAGPPDLRTFAYAPTRSTTSRFDQSENTRKAMCTADS                     PPDISTFEYKPMKSAVRRSDGSKFSGAALKAARRTSRS&amp;lt;/aaseq&amp;gt;|&lt;br /&gt;
DNA = &amp;lt;dnaseqindica&amp;gt;34..194#930..1049#1319..1442#1565..1702#1833..2042#2426..2600#2858..2931#3378..3504#3796..4142#4250..4304#4428..4723#4821..4872#5081..5288#5405..5828#gagagagagagagagagagagagagaggcggcaatggggatccagggattgctgccgcagctgaagtcgatcatggcgcccatcggggtggaggcgctcaagggccagacggtggccgtcgacacctactcctggctccacaagggcgccctctcctgcggcgaccgcctctgcaagggcctacccaccaccaggttcggctccggtgacctccccccttttcttggaacccagggtttcttaatccatttcgccgattggtgagacctaaatcgacggatccgggaaatctacttcttccccacgagcgtattgacagctgctggtcctaccaggggtttcttccgattttgttttcttggtcccgactggtgaaatccatttcggaggaggggtaaaaggcacgtcttgcttcggatgagagatttccgcattttttaggtgggtgtaggaaggggggggggatttcttgtttgttcagtctctctcaggattaaggtaataaatgtgcggcatttgttttcgcccccttccaggggcagtacatttactgaaatttgttatccgcctcagtgcccagattcttgtatgtctaggttgcattgaataaaatacacacttgggagagatccgctgcttggcatctggtgccgctttagttcagagaattcaccattttagtttgtggaatttttattggaaatagcttagacatgaatagttcaataaacgttaacaatagcttagcattgttagtagtatctttttactgtatgggatatcttctaacattgctgcatttttgatgtcgtgaactcataatgcggagggccatagatttgcaactccagtttttatcatcatttatcaccgttgtagttgagcaccataacttacaccttgtgtttcccctcctgaatctgaaccaggcatattgagtattgcatgcatagggttaacatgttgcggcaccatggcgtgaaaccaatccttgtatttgacggaggtcatctgccgatgaagggtgatcaagagactaaacgtgaaaggtatgttctttcttagggctccagaaagagcctaacatgtttcagttgccaaggaacatctacattacccttacagaacattaaaaaaaattgtgatttgacattttacatacggctatagttatggacaactgtggctttaggctgatatagagcagtcgcattattagtacagactagtggataagctaaaggcctccagccattctttgctatgtgatgtttcttgagtcattggatgctaagcaagtaagcatgacatcctgtaggtcacgaaaggaaaatcttgagcgtgccaaggagcatgaatctgctgggaattcacgtgctgcttttgagtgttatcagaaagctgttgacattacacctaggattgcttttgaactgatccaggtaaaggagcaaattccatgtatttttaccaaatatttaccacctatttgaagcagttctagtcaggagtaggaacatttggcttgtcttaactgattattgttccaaaacttgcaatgcaggtattgaagcaagaaaaggttgattatattgttgcgccttatgaagcagatgcacaaatgacattcttgtctgtgaacaaacttgttgatgccgttatcacagaggattctgatctgataccatttggctgttctagagtaagcacagtgttaaaacgctttatctttgtcctccacgtaccccatagtattttgctgctcagctagattagtgttcatagtttgttgtaacttctctaattaaaatgcatcttattccattgtgcagattattttcaagatggacaagtttggacaaggtgttgaatttcatattacacgattgcagcgatgcagggagcttgatcttaatggattcactatgcaaatgctactagagatgtgtattttaagtggctgtgattatcttccatcattgcctggaatgggtgtgaaacgagctcatgcacttatccaaaagctcaagggtcatgaaaaggtaaaccctgtatctgttgtatcaaatactaactttaggcctagttggaattggaaagaactgattcatgaactaacatgaacgatgcctgagatagtgttcaagacctacaaagcatggtaagaaaaggctggatagtagaaccagaatgcagttctacttagacataactacagaaggcaaggcctcaacacaaaattgattgcttcaacttttatgaggccaccgtcttgtacttaggtcattagccaatccatagcctgtcatacatgcaggacatgatttgagttactactgagcttgtagggcaacgatgtgcaatcactttcttgcttagcaaattagaaaaaaaaataatgagcaaatgatgcgtataatttcaggtaatcaagcacctgaggtacagtgctgtttctgttccacctcaatatgaagaaaacttcagaaaggcgatctgggcatttcagttccaaagagtttatgaccctgtgacggaagatattgttcatttgtcaggcattccccatggcagtagtgaagacttggactttttgggcccatatccttgccaaacttatatttgtacaatagatgctaaagctcattcatatgataacctgttgttttatccaccataagtccataaggatgaatttccacttttgtttggtcatgtctaatggccattatacaagttgcgttagaaagtaagctaacggcctttcaatgccaccatttctcagtaataccgaattgtgttacttgaagaaaatctcaacttgcatgcattggatcttttccttaattggtttatacatggctaccacagactgttgctaaaggcattgcccaagggaatatcgatccgattaccaaggaaccatttgaggtactaccgatcttccctcggttgttttggtttcttggtgctttgtttccttgaatgtaatttcatcctactctgattctgtgcactgcatatgtataaacatacccaagcatcaatatgcaaatacaaacgaggggctcttgaaaatggttgtaagctcactgaaatatccaatcagaggctacagagcattacagaagctcattagagaaaaacagataaaaatccataaaatattttgtaagaaaaaaatgtagggtcctcactgaaataagaaagtacattgtaagtgatcatggttttactgatgtactctgttttattaaagatcaccagtatgcaagcatttgctttgctgacatgcgaataccaacattcaattttatcttttgtggattgtcttactaagaagttatatatgttttatttgtatatgtgacttgcagggcaaaacagagagtagcgcactcgcttttgataaagtgcatctgaacagagagtccagtgctccttcaaatggaaagaaaaagcttgatctacctgtccaaagaaacgtattgacaaattacttctgtatcctctcaacacattttaatttaattgagagaacaatatatataccaatcaactttattatatgaactacttgttgcagcttatattatgggaatgccttggataagatagttcagttattgtgctttctcgttcccaaacatgtttaggatcaaatgaagaactaataatttccccataaacttatttacgaagtctaaggtgatgtgcgattcttagcatggtattttgcttgttttgtaaacaatacttcaactgtccattggatgaatccttgacttttagaaggcttagcatcgcttgaggcaaaacggaagttcagagcacctaaggttacacctaagcaacaagtacttaatgggtctttgcccagtcccagaattgaagactctggtacccctgatttaattgaagatactagcttgccatcaaataacattcaagtttatcagtgtagttctgagcattttagctcaggaacccctctagatgattcaatcaataccgcctctcaatgtagttctgagcgtgtccgctgtgacatccctcgggatgattcagccagtgtttcaccccagtgttctcatgatattggtagtgatcctgctgaggacccagacattgaaggcaacaaggtatttcacgtttctttattgccttattttcagtgttctcgtagtcctacctttctacaacaatatcgtatttccgtcattcttatagttttacttctgctatacaggtgaaagtcaacttctgcaacagaagtacaataccgacaggctctttcttagagggtaagagctctacctttttgtagttgatgcatgacttgatctgcaaatcatgtactggtatatctaattaaaatgaaaataatcttggtttctgttttgtatgcatttattttcgttttctagggactttgcctgggatatcagatccatttttagattcacacaacacagagccatccagagctgcaccacgttatgctgaaaaaagcaatgtggtctctgccaatagaaatattactgtgaggagttcatatttcaaaacagtaaataaaagagtttgcacaaatcaaggagaagatgagtgccatgatgaagataactgcgagactggtaattacactcttcctggagatcaacaaagaagctctggaggtatattgaagagaagaaaatttagtgatccccaaaattttgaagatgtaagcaatttttttttgagttgttattctatcatcatatcgcagtgaactgtctgtatcattctactatctggtcttgaatgtactatttgtgcagggaatgtttcaacccactagtcctcatgaaagtccaccggttgctgataaaggtaatagttccacctagttgtctgttcttattctctgtgagaatgtgcacctttccttgttccatttctctatagataaacttgtgacgattacaagaaattcagtttttccaaaaacaacagaaggttctgccaatgtttgagtgtgcgtagttccctttttttttgttgctgagggaaatcttctgaatgtctgatactaatgcaggctgtgactctgattcccacgacggtatcaacacaaattctgaaggaaaatttggatgcaatgtcgcccatgtaaataaatacagtggcattgcagagaaatcaatggataagtttgctgcgctgatatcatctttcagatacgcaggctctcgtgccagtggtcttcgcgctcctttaaaggatgtgaagaacactcttcctgtcaggtctgcagcttcagaaaatttcaattgcaccaagttcacacaatttacttatcagaacttaagagggggacacagttgtcccaatgagttgatatattttataacattaattgcagatctgttctcagacctccagaacagagattcggttgtacggctaagaagactactagagtgcctctacaaagcagattctcaagtgatgctacaaacagcactgacgttcctgatctgagcacatttgcatacaggcctacaactgcttctgctcattctgatcaggggaagatcacaagcaaagctacagatgctgctgctggacctcctgacctgagaacatttgcttatgcaccaacaagatctaccaccagccgttttgatcagagtgaaaacacgcgcaaagctatgtgcactgcggacagccctcctgatattagcacattcgaatataaacccatgaaaagcgccgtcagacgttcagatgggagcaagttttcaggtgcagcactaaaagcagctagacgaacctctcggagctgattctcacaaaattgtggatgcacctgccagcttccttatctgagcatgtttggatttgcgtatgccttctgtctgcgttcatgatctgagttcaacagaatcatccagcaacaaatgctctcaataaaagtgcattccattttgcccaaagtgcaagcacggctgaggtagctgccattcactactactagctgcagggcttatcagttcagacttcagagctcatccgtatctgcgcaatcagaagcacacatgttctgaagggaagtgctttatcttctcggtttccagagccaattatgtggcattttgcgagccaaatgtatgtgctcgtttttgccttgtccaatgaggttcttgtatgaacagcagtcgaatttgcgatgctatttaagccgcaaatgaggatactgttgtattgttcctttttgagaagatactgctgtatgttcattcttatacaagtgtgagcattccttcagaattcagatagcattactcttgtcaactattgatcaagatgttggaaagactttgaaaccggctgtttaagc&amp;lt;/dnaseqindica&amp;gt;|&lt;br /&gt;
Link = [http://www.ncbi.nlm.nih.gov/nuccore/NM_001050956.2 RefSeq:Os01g0777300]|&lt;br /&gt;
}}&lt;br /&gt;
[[Category:Genes]]&lt;br /&gt;
[[Category:Japonica mRNA]]&lt;br /&gt;
[[Category:Oryza Sativa Japonica Group]]&lt;br /&gt;
[[Category:Japonica Genes]]&lt;br /&gt;
[[Category:Japonica Chromosome 1]]&lt;br /&gt;
[[Category:Chromosome 1]]&lt;/div&gt;</summary>
		<author><name>Mume</name></author>	</entry>

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