NDLI: Identification of a highly virulent strain of Xanthomonas axonopodis pv. malvacearum

Content Provider	Springer Nature Link
Author	Huang, Xi Zhai, Jinling Luo, Yuehua Rudolph, Klaus
Copyright Year	2008
Abstract	A highly virulent strain (HVS) of Xanthomonas axonopodis pv. malvacearum (Xam) was first reported in Africa in 1983, infecting all commercial cultivars of cotton including the immune cv. ‘101–102B’. The HVS was considered to be a new race of pathovar malvacearum (race 20). Here we studied a HVS (GSPB 2388) isolated in Sudan, which causes symptoms that clearly differed from the typical angular water-soaked spots of bacterial bright of cotton. Our investigations showed that extracellular cellulase activity of this HVS was higher than that of the control strain GSPB 1386 (race 18). Additionally, SDS-PAGE indicated that the HVS cell wall contained short LPS molecules with fewer O-chain repeating units, lacking in GSPB 1386. The higher cellulase activity and the distinct lipopolysaccharide of HVS are correlated with the higher virulence and deviating symptom formation. Rep-PCR fingerprinting showed that the HVS was very closely related to other strains of Xam.
Starting Page	461
Ending Page	469
Page Count	9
File Format	PDF
ISSN	09291873
Journal	European Journal of Plant Pathology
Volume Number	122
Issue Number	4
e-ISSN	15738469
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-04-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cellulase Lipopolysaccharide Rep-PCR Life Sciences Agriculture Ecology Plant Sciences Plant Pathology
Content Type	Text
Resource Type	Article
Subject	Plant Science Horticulture Agronomy and Crop Science

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