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92 matches found in 40 documents. Search time: 0.003 seconds.
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Score: 23.00
Title: Pathogen-induced expressional loss of function is the key factor in race-specific bacterial resistance conferred by a recessive R gene xa13 in rice .
Author: Yuan M Chu Z Li X Xu C Wang S
Journal: Plant Cell Physiol Citation: V : 50 P : 947-55 Type: MEDLINE
Literature: oryza Field: abstract Doc ID: pub19318375
Matching Sentences:
[ Sen. 4, subscore: 7.00 ]: We used the promoter ( P ( Xa13 ) ) of the dominant Xa13 , which was induced by only the incompatible Xoo strain for xa13 , to regulate xa13 and xa13 ( Leu49 ) ( a natural recessive allele of xa13 ) in the rice line IRBB13 carrying xa13 .
[ Sen. 6, subscore: 6.00 ]: Constitutive expression of dominant XA13 or different xa13 proteins ( xa13 , xa13 ( Leu49 ) , xa13 ( Ala85 ) or xa13 ( Val184 ) ) in IRBB13 had no effect on Xoo infection in the transgenic plants .
[ Sen. 5, subscore: 3.00 ]: The transgenic plants showed the same level of susceptibility and bacterial growth rate as those of the rice line carrying dominant Xa13 , accompanied by the induced accumulation of xa13 or xa13 ( Leu49 ) proteins .
[ Sen. 1, subscore: 2.00 ]: The fully recessive disease resistance ( R ) gene xa13 , which mediates race-specific resistance to Xanthomonas oryzae pv . oryzae ( Xoo ) , encodes a plasma membrane protein that differs by one amino acid from that encoded by its dominant ( susceptible ) allele Xa13 .
[ Sen. 3, subscore: 2.00 ]: Here we show that , compared with its dominant allele , expressional non-reaction of xa13 to Xoo infection , not its protein composition , is the key factor for xa13-mediated resistance .
[ Sen. 2, subscore: 1.00 ]: The molecular mechanism of xa13-mediated resistance is largely unknown .
[ Sen. 7, subscore: 1.00 ]: These results suggest that race-specific pathogen-induced Xa13 expression is critical for infection .
[ Sen. 8, subscore: 1.00 ]: Thus , xa13 stands out from other R genes in that its functions in disease resistance are due to only the loss of pathogen-induced transcriptional motivation caused by natural selection .
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Score: 8.00
Title: High-resolution genetic mapping of bacterial blight resistance gene Xa10 .
Author: Gu K Sangha JS Li Y Yin Z
Journal: Theor Appl Genet Citation: V : 116 P : 155-63 Type: MEDLINE
Literature: oryza Field: abstract Doc ID: pub17924090
Matching Sentences:
[ Sen. 2, subscore: 1.00 ]: Rice lines that carry resistance ( R ) gene Xa10 confer race-specific resistance to Xoo strains harboring avirulence ( Avr ) gene avrXa10 .
[ Sen. 3, subscore: 1.00 ]: Here we report on genetic study , disease evaluation and fine genetic mapping of the Xa10 gene .
[ Sen. 4, subscore: 1.00 ]: The inheritance of Xa10-mediated resistance to PXO99A ( pHM1avrXa10 ) did not follow typical Mendelian inheritance for single dominant gene in F2 population derived from IR24 x IRBB10 .
[ Sen. 7, subscore: 1.00 ]: A new near-isogenic line ( F3-65-1743 ) of Xa10 in IR24 genetic background was developed and designated as IRBB10A .
[ Sen. 9, subscore: 1.00 ]: Linkage analysis using existing RFLP markers and F2 mapping population mapped the Xa10 locus to the proximal side of E1981S with genetic distance at 0 . 93 cM .
[ Sen. 10, subscore: 1.00 ]: With five new RFLP markers developed from the genomic sequence of Nipponbare , Xa10 was finely mapped at genetic distance of 0 . 28 cM between proximal marker M491 and distal marker M419 and co-segregated with markers S723 and M604 .
[ Sen. 12, subscore: 1.00 ]: Seven genes have been annotated from this 74-kb region and six of them are possible Xa10 candidates .
[ Sen. 13, subscore: 1.00 ]: The results of this study will be useful in Xa10 cloning and marker-assisted breeding .
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Score: 6.00
Title: Characterization of Xanthomonas oryzae-responsive cis-acting element in the promoter of rice race-specific susceptibility gene Xa13 .
Author: Yuan T Li X Xiao J Wang S
Journal: Mol Plant Citation: V : 4 P : 300-9 Type: MEDLINE
Literature: oryza Field: abstract Doc ID: pub21208999
Matching Sentences:
[ Sen. 5, subscore: 2.00 ]: In the Xa13 promoter , UPT ( PthXo1 ) box is the only Xoo-responsive cis-acting element that results in PXO99-induced Xa13 expression .
[ Sen. 1, subscore: 1.00 ]: The rice Xa13 gene , whose promoter harbors a UPT ( up-regulated by transcription activator-like [ TAL ] effector ) box , UPT ( PthXo1 ) , plays a pivotal role in the race-specific pathogenicity caused by Xanthomonas oryzae pv . oryzae ( Xoo ) strain PXO99 .
[ Sen. 2, subscore: 1.00 ]: PXO99 causes rice disease by inducing Xa13 .
[ Sen. 3, subscore: 1.00 ]: It is unknown , however , whether the UPT ( PthXo1 ) box is the only PXO99-responsive cis-regulating elements in the activation of Xa13 expression .
[ Sen. 4, subscore: 1.00 ]: We analyzed the expression of a series of end and site-truncated and site-mutated Xa13 promoters in rice and the binding of PXO99 protein to the intact , partial , or site-mutated UPT ( PthXo1 ) boxes .
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Score: 5.00
Title: Genome-wide analysis of defense-responsive genes in bacterial blight resistance of rice mediated by the recessive R gene xa13 .
Author: Chu Z Ouyang Y Zhang J Yang H Wang S
Journal: Mol . Genet . Genomics Citation: V : 271 ( 1 ) P : 111-20 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub14730444
Matching Sentences:
[ Sen. 2, subscore: 2.00 ]: In order to characterize the genes activated in defense responses against bacterial blight mediated by the recessive R gene xa13 , two pathogen-induced subtraction cDNA libraries were constructed using the resistant rice line IRBB13--which carries xa13--and its susceptible , near-isogenic , parental line IR24 .
[ Sen. 3, subscore: 1.00 ]: Clustering analysis of expressed sequence tags ( ESTs ) identified 702 unique expressed sequences as being involved in the defense responses triggered by xa13 ; 16% of these are new rice ESTs .
[ Sen. 5, subscore: 1.00 ]: In addition , R-like genes putatively encoding nucleotide-binding site/leucine rich repeat ( NBS-LRR ) and LRR receptor kinase proteins were observed to be induced in the disease resistance activated by xa13 .
[ Sen. 9, subscore: 1.00 ]: These results reveal the complexity of xa13-mediated resistance .
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Score: 5.00
Title: Promoter mutations of an essential gene for pollen development result in disease resistance in rice .
Author: Chu Z Yuan M Yao J Ge X Yuan B Xu C Li X Fu B Li Z Bennetzen JL Zhang Q Wang S
Journal: Genes Dev . Citation: V : 20 ( 10 ) P : 1250-5 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub16648463
Matching Sentences:
[ Sen. 4, subscore: 2.00 ]: Promoter mutations in Xa13 cause down-regulation of expression during host-pathogen interaction , resulting in the fully recessive xa13 that confers race-specific resistance .
[ Sen. 2, subscore: 1.00 ]: Here we show that xa13 , a recessive allele conferring disease resistance against bacterial blight , one of the most devastating rice diseases worldwide , plays a key role in both disease resistance and pollen development .
[ Sen. 3, subscore: 1.00 ]: The dominant allele , Xa13 , is required for both bacterial growth and pollen development .
[ Sen. 5, subscore: 1.00 ]: The recessive xa13 allele represents a new type of plant disease resistance .
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Score: 5.00
Title: The bacterial pathogen Xanthomonas oryzae overcomes rice defenses by regulating host copper redistribution .
Author: Yuan M Chu Z Li X Xu C Wang S
Journal: Plant Cell Citation: V : 22 P : 3164-76 Type: MEDLINE
Literature: oryza Field: abstract Doc ID: pub20852017
Matching Sentences:
[ Sen. 3, subscore: 1.00 ]: An effector of Xanthomonas oryzae pv oryzae ( Xoo ) transcriptionally activates rice ( Oryza sativa ) susceptibility gene Xa13 to cause bacterial blight disease .
[ Sen. 4, subscore: 1.00 ]: Xa13 encodes an indispensable plasma membrane protein of the MtN3/saliva family , which is prevalent in eukaryotes with unknown biochemical function .
[ Sen. 5, subscore: 1.00 ]: We show that the XA13 protein cooperates with two other proteins , COPT1 and COPT5 , to promote removal of copper from xylem vessels , where Xoo multiplies and spreads to cause disease .
[ Sen. 7, subscore: 1.00 ]: Xoo strain PXO99 is more sensitive to copper than other strains ; its infection of rice is associated with activation of XA13 , COPT1 , and COPT5 , which modulate copper redistribution in rice .
[ Sen. 8, subscore: 1.00 ]: The involvement of XA13 in copper redistribution has led us to propose a mechanism of bacterial virulence .
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Score: 5.00
Title: Gene silencing using the recessive rice bacterial blight resistance gene xa13 as a new paradigm in plant breeding .
Author: Li C Wei J Lin Y Chen H
Journal: Plant Cell Rep Citation: V : 31 P : 851-62 Type: In-Process
Literature: oryza Field: abstract Doc ID: pub22218673
Matching Sentences:
[ Sen. 4, subscore: 1.00 ]: The recessive rice bacterial blight resistance gene xa13 , also involved in pollen development , has been cloned and its resistance mechanism has been recently characterized .
[ Sen. 5, subscore: 1.00 ]: This report describes the conversion of bacterial blight resistance mediated by the recessive xa13 gene into a dominant trait to facilitate its use in a breeding program .
[ Sen. 6, subscore: 1.00 ]: This was achieved by knockdown of the corresponding dominant allele Xa13 in transgenic rice using recently developed artificial microRNA technology .
[ Sen. 7, subscore: 1.00 ]: Tissue-specific promoters were used to exclude most of the expression of artificial microRNA in the anther to ensure that Xa13 functioned normally during pollen development .
[ Sen. 9, subscore: 1.00 ]: Our success with xa13 provides a paradigm that can be adapted to other recessive resistance genes .
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Score: 5.00
Title: Expression of Xa1 , a bacterial blight-resistance gene in rice , is induced by bacterial inoculation .
Author: Yoshimura S Yamanouchi U Katayose Y Toki S Wang ZX Kono I Kurata N Yano M Iwata N Sasaki T
Journal: Proc . Natl . Acad . Sci . USA Citation: V : 95 ( 4 ) P : 1663-8 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub9465073
Matching Sentences:
[ Sen. 3, subscore: 2.00 ]: The deduced amino acid sequence of the Xa1 gene product contains nucleotide binding sites ( NBS ) and a new type of leucine-rich repeats ( LRR ) ; thus , Xa1 is a member of the NBS-LRR class of plant disease-resistance genes , but quite different from Xa21 , another BB-resistance gene isolated from rice .
[ Sen. 1, subscore: 1.00 ]: The Xa1 gene in rice confers resistance to Japanese race 1 of Xanthomonas oryzae pv . oryzae , the causal pathogen of bacterial blight ( BB ) .
[ Sen. 2, subscore: 1.00 ]: We isolated the Xa1 gene by a map-based cloning strategy .
[ Sen. 4, subscore: 1.00 ]: Interestingly , Xa1 gene expression was induced on inoculation with a bacterial pathogen and wound , unlike other isolated resistance genes in plants , which show constitutive expression .
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Score: 4.00
Title: Targeting xa13 , a recessive gene for bacterial blight resistance in rice .
Author: Chu Z Fu B Yang H Xu C Li Z Sanchez A Park YJ Bennetzen JL Zhang Q Wang S
Journal: Theor . Appl . Genet . Citation: V : 112 ( 3 ) P : 455-61 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub16328230
Matching Sentences:
[ Sen. 5, subscore: 1.00 ]: To clone and characterize the recessive R genes , we fine-mapped xa13 , a fully recessive gene for Xoo resistance , to a DNA fragment of 14 . 8 kb using the map-based cloning strategy and a series of sequence-based molecular markers .
[ Sen. 7, subscore: 1.00 ]: These results will greatly facilitate the isolation and characterization of xa13 .
[ Sen. 8, subscore: 1.00 ]: Four PCR-based markers , E6a , SR6 , ST9 and SR11 that were tightly linked to the xa13 locus , were also developed .
[ Sen. 9, subscore: 1.00 ]: These markers will be useful tools for the marker-assisted selection of xa13 in breeding programs .
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Score: 4.00
Title: Detection of bacterial blight resistance genes in basmati rice landraces .
Author: Ullah I Jamil S Iqbal MZ Shaheen HL Hasni SM Jabeen S Mehmood A Akhter M
Journal: Genet Mol Res Citation: V : 11 P : 1960-6 Type: In-Data-Review
Literature: oryza Field: abstract Doc ID: pub22869552
Matching Sentences:
[ Sen. 3, subscore: 1.00 ]: We identified bacterial blight resistance genes Xa4 , xa5 , Xa7 , and xa13 in 52 basmati landraces and five basmati cultivars using PCR markers .
[ Sen. 5, subscore: 1.00 ]: The cultivars Basmati-385 and Basmati-2000 also contained the Xa4 gene ; however , xa5 and xa13 were confined to landraces only .
[ Sen. 9, subscore: 1.00 ]: Landraces Basmati-48 , Basmati-51A , Basmati-334 , and Basmati-370A possessed Xa7 and xa13 genes .
[ Sen. 10, subscore: 1.00 ]: The use of landraces containing recessive genes xa5 and xa13 as donor parents in hybridization with cultivars Basmati-385 and Basmati-2000 , which contain the genes Xa4 and Xa7 , will expedite efforts to develop bacterial blight-resistant basmati rice cultivars through marker assisted selection , based on a pyramiding approach , without compromising aroma and grain quality .
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Score: 3.00
Title: Are the dominant and recessive plant disease resistance genes similar? A case study of rice R genes and Xanthomonas oryzae pv . oryzae races .
Author: Li ZK Sanchez A Angeles E Singh S Domingo J Huang N Khush GS .
Journal: Genetics Citation: V : 159 ( 2 ) P : 757-65 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub11606550
Matching Sentences:
[ Sen. 1, subscore: 1.00 ]: The resistance of rice to its bacterial blight pathogen Xanthomonas oryzae pv . oryzae ( Xoo ) has both qualitative and quantitative components that were investigated using three near-isogenic line sets for four resistance ( R ) genes ( Xa4 , xa5 , xa13 , and Xa21 ) and 12 Xoo races .
[ Sen. 9, subscore: 1.00 ]: In contrast , xa13 was completely recessive , had no residual effects against the virulent races , and showed more pronounced race specificity .
[ Sen. 10, subscore: 1.00 ]: There was a strong interaction leading to increased resistance between xa13 and xa5 and between either of them and Xa4 or Xa21 , suggesting their regulatory roles in the rice defensive pathway ( s ) .
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Score: 3.00
Title: Os8N3 is a host disease-susceptibility gene for bacterial blight of rice .
Author: Yang B Sugio A White FF .
Journal: Proc . Natl . Acad . Sci . USA Citation: V : 103 ( 27 ) P : 10503-8 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub16798873
Matching Sentences:
[ Sen. 3, subscore: 2.00 ]: Os8N3 resides near xa13 , and PXO99 ( A ) failed to induce Os8N3 in rice lines with xa13 .
[ Sen. 5, subscore: 1.00 ]: The effector gene avrXa7 from strain PXO86 enabled PXO99 ( A ) compatibility on either xa13 or Os8N3-silenced plants .
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Score: 3.00
Title: Effective strategy for pyramiding three bacterial blight resistance genes into fine grain rice cultivar , Samba Mahsuri , using sequence tagged site markers .
Author: Kottapalli KR Lakshmi Narasu M Jena KK
Journal: Biotechnol Lett Citation: V : 32 P : 989-96 Type: MEDLINE
Literature: oryza Field: abstract Doc ID: pub20349335
Matching Sentences:
[ Sen. 6, subscore: 2.00 ]: Pyramiding scheme A in which a two-gene Samba Mahsuri pyramid line containing Xa21 and xa5 genes was crossed with the Samba Mahsuri line having xa13 gene alone was found to be most effective in preventing the loss of an important recessive gene xa13 .
[ Sen. 4, subscore: 1.00 ]: To overcome such breakdown of resistance and develop germplasm with durable disease resistance , we have introgressed three bacterial blight resistance genes , xa5 , xa13 , and Xa21 into a fine grain rice variety , Samba Mahsuri , using sequence tagged site ( STS ) markers linked to these genes .
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Score: 2.00
Title: The C terminus of AvrXa10 can be replaced by the transcriptional activation domain of VP16 from the herpes simplex virus .
Author: Zhu W Yang B Wills N Johnson LB White FF .
Journal: Plant Cell Citation: V : 11 ( 9 ) P : 1665-74 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub10488234
Matching Sentences:
[ Sen. 1, subscore: 1.00 ]: The avirulence gene avrXa10 of Xanthomonas oryzae pv oryzae directs the elicitation of resistance in a gene-for-gene manner in rice lines carrying the resistance gene Xa10 .
[ Sen. 5, subscore: 1.00 ]: Elicitation was specific for Xa10 , and the reaction had the hallmarks of the response to AvrXa10 .
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Score: 2.00
Title: Predicting durability of a disease resistance gene based on an assessment of the fitness loss and epidemiological consequences of avirulence gene mutation .
Author: Vera Cruz CM Bai J Ona I Leung H Nelson RJ Mew TW Leach JE .
Journal: Proc . Natl . Acad . Sci . USA Citation: V : 97 ( 25 ) P : 13500-5 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub11095723
Matching Sentences:
[ Sen. 3, subscore: 1.00 ]: We evaluated the cost in pathogenic fitness ( aggressiveness and persistence ) associated with adaptation of Xoo to virulence on near-isogenic rice lines with single R genes ( Xa7 , Xa10 , and Xa4 ) at two field sites endemic for bacterial blight .
[ Sen. 6, subscore: 1.00 ]: All Xoo strains were virulent to Xa4 , whereas only lineage C strains were virulent to Xa10 .
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Score: 2.00
Title: [ Construction of a deep coverage rice BAC library and identification of clones associated with disease-resistant genes ]
Author: Wang WM Jiang GH Wang SQ Zhu LH Zhai WX .
Journal: Yi Chuan Xue Bao Citation: V : 28 ( 2 ) P : 120-8 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub11233255
Matching Sentences:
[ Sen. 1, subscore: 1.00 ]: A BAC library for IRBB56 , an accession pyramiding Xa4 , xa5 and xa13 three bacterial blight resistance genes , was constructed .
[ Sen. 6, subscore: 1.00 ]: Then , DNA markers on three different chromosomes linked to Xa4 , xa5 , and xa13 , and a PCR fragment of rice UROD gene , were used to screen the library resulting in a range of 11-106 hits that will promote the isolation of these genes .
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Score: 2.00
Title: Marker assisted selection of bacterial blight resistance genes in rice .
Author: Davierwala AP Reddy AP Lagu MD Ranjekar PK Gupta VS .
Journal: Biochem . Genet . Citation: V : 39 ( 7-8 ) P : 261-78 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub11590832
Matching Sentences:
[ Sen. 3, subscore: 1.00 ]: The basis of selection of these DNA markers was their close linkage to xa5 , xa13 , and Xa21 genes and their positions on the rice genetic map relative to bacterial blight resistance genes .
[ Sen. 4, subscore: 1.00 ]: Eight lines were found to contain the xa5 gene while two lines contained Xa21 gene and none of the lines contained the xa13 gene with the exception of its near-isogenic line .
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Score: 2.00
Title: Recessive bacterial leaf blight resistance in rice : complexity , challenges and strategy .
Author: Kottapalli KR Kottapalli P Agrawal GK Kikuchi S Rakwal R
Journal: Biochem . Biophys . Res . Commun . Citation: V : 355 ( 2 ) P : 295-301 Type: ARTICLE
Literature: oryza Field: abstract Doc ID: pub17307154
Matching Sentences:
[ Sen. 3, subscore: 1.00 ]: Two recent studies on map-based cloning of xa5 and xa13 recessive blb resistance genes identified the general transcription factor IIA gamma subunit ( TFIIAgamma ) and the nodulin MtN21 as candidates , respectively .
[ Sen. 5, subscore: 1.00 ]: Based on published evidence , and our extensive in silico analyses of the genomic environment around xa5 and xa13 regions , we propose that the recessive gene mediated resistance mechanism is more complex and might not be governed by a single gene .
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Score: 2.00
Title: Introduction of bacterial blight resistance into Triguna , a high yielding , mid-early duration rice variety .
Author: Sundaram RM Vishnupriya MR Laha GS Rani NS Rao PS Balachandran SM Reddy GA Sarma NP Sonti RV
Journal: Biotechnol J Citation: V : 4 P : 400-7 Type: In-Process
Literature: oryza Field: abstract Doc ID: pub19253322
Matching Sentences:
[ Sen. 2, subscore: 1.00 ]: We have used molecular marker-assisted selection in a backcross breeding program to introgress three genes ( Xa21 , xa13 , and xa5 ) for BB resistance into Triguna , a mid-early duration , high yielding rice variety that is susceptible to BB .
[ Sen. 5, subscore: 1.00 ]: Plants containing the two-gene combination , Xa21 and xa13 , were found to exhibit excellent resistance against BB .
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Score: 2.00
Title: High-throughput functional marker assay for detection of Xa/xa and fgr genes in rice ( Oryza sativa L ) .
Author: Salgotra RK Millwood RJ Agarwal S Stewart CN Jr
Journal: Electrophoresis Citation: V : P : Type: Publisher
Literature: oryza Field: abstract Doc ID: pub21793000
Matching Sentences:
[ Sen. 3, subscore: 1.00 ]: Multiplex PCR products displayed well-differentiated allelic variants using different STS and SSR markers for identification of xa13 , Xa21 and fgr genes using the CE system compared to 1 . 2% agarose gel images .
[ Sen. 6, subscore: 1.00 ]: Out of 29 genotypes in BC ( 1 ) F ( 3 ) generation , 16 plants were found homozygous for all the three genes , viz . , xa13 , Xa21 and fgr .
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