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Molecular Diagnosis and Diversity for Regulated Xanthomonas

Bacterial virulence factors

Plant resistance genes

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This DokuWiki is based upon work from COST Action CA16107 EuroXanth, supported by COST (European Cooperation in Science and Technology)

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Bean (//Phaseolus vulgaris// L.)

Author: Massimiliano Morelli
Internal reviewer: Rita Fernandes
Expert reviewer: FIXME

Pathogen: //Xanthomonas axonopodis// pv. //phaseoli// (//Xap//)

Resistance gene: //xap-1//




Bean cross between breeding line PR0313-58 and cultivar ‘Rosada Nativa’ (Zapata et al., 2011).

Status (identified, mapped, cloned, sequenced)

Located on Linkage Group 10 (Zapata et al., 2011).

Molecular markers

SCAR marker (Zapata et al., 2011).

Brief description

Dominant resistance gene cosegregating with the SAP6 QTL (Zapata et al., 2011; Singh & Miklas, 2015).

Resistance gene: // Phvul.010G128100 //




Bean cross between cultivars Longyundou 5 and Longyundou 4 (Zhu et al., 2016)

Status (identified, mapped, cloned, sequenced)

identified on QTL on chromossome Pv10 (Zhu et al., 2016)

Molecular markers

SAP6 (Zhu et al., 2016)

Brief description

One of other ten candidate genes associated with CBB resistance in the qCBB10-1 region (qCBB10-1 / SAP6 locus) that encode proteins involved in defense mechanisms against pathogens (Zhu et al., 2016; Tugume et al., 2019).


Singh SP, Miklas PN (2015). Breeding common bean for resistance to common blight: A review. Crop Sci. 55: 971-984. DOI: 10.2135/cropsci2014.07.0502

Tugume JK, Tusiime G, Sekamate AM, Buruchara R, Mukankusi CM (2019). Diversity and interaction of common bacterial blight disease-causing bacteria (Xanthomonas spp.) with Phaseolus vulgaris L. Crop J. 7: 1-7. DOI: 10.1016/j.cj.2018.10.002

Zapata M, Beaver JS, Porch TG (2011). Dominant gene for common bean resistance to common bacterial blight caused by Xanthomonas axonopodis pv. phaseoli. Euphytica 179: 373-382. DOI: 10.1007/s10681-010-0313-x

Zhu J, Wu J, Wang L, Blair MW, Zhu Z, Wang S (2016). QTL and candidate genes associated with common bacterial blight resistance in the common bean cultivar Longyundou 5 from China. Crop J. 4: 344-352. DOI: 10.1016/j.cj.2016.06.009

Further reading

Foucher J, Ruh M, Préveaux A, Carrère S, Pelletier S, Briand M, Serre RF, Jacques MA, Chen NWG (2020). Common bean resistance to Xanthomonas is associated with upregulation of the salicylic acid pathway and downregulation of photosynthesis. BMC Genomics 21: 566. DOI: 10.1186/s12864-020-06972-6. Erratum in: BMC Genomics (2020) 21: 657. DOI: 10.1186/s12864-020-07043-6

Monteiro ALR, Chaves FS, Pantaleão ASL, Carneiro PCS, de Souza Carneiro JE, Badel JL (2020). Sources, spectrum, genetics, and inheritance of Phaseolus vulgaris resistance against Xanthomonas citri pv. fuscans. Phytopathology 110: 1428-1436. DOI: 10.1094/PHYTO-01-20-0020-R

plant/bean.txt · Last modified: 2020/10/01 18:20 by rkoebnik