CSIRO AGRICULTURE

CSIRO markers for rust resistance genes
Australian crops have been protected for the past 60 years by the breeding of rust- resistant crop varieties that inhibit the development of rust diseases.

Through our rust research we've provided the wheat industry with genetic markers that simplify the conventional breeding of rust resistant wheat. These markers help breeders to identify wheat varieties containing resistance genes which prevent rust infecting the plant or enable plants to successfully battle a rust attack.
To date we have provided wheat breeders with more than 20 PCR markers, helping the industry keep one step ahead of this costly disease.

Marker information and reference/contact

Lr37/Sr38/Yr17	NBS-LRR derived, dominant marker from alien segment. Cosegregates with triple rust resistance gene.	Seah et al 2001, Theoretical and Applied Genetics 102:600-605	

Lr34/Yr18/Pm38/Sr57	Gene specific (perfect marker) for adult plant resistance gene to leaf rust, stem rust and stripe rust.	Lagudah et al 2009, Theoretical and Applied Genetics 119:889-898	

Lr46/Yr29/Sr58/Pm39	Marker tightly linked to gene for adult plant resistance to leaf rust, stem rust and stripe rust.	
Dr Evans Lagudah	
Sr46	Perfect marker for resistance to stem rust.	Dr Evans Lagudah	

Sr2	EST derived, very tightly linked, dominant marker for resistance to stem rust.	Dr Rohit Mago and Mr Wolfgang Spielmeyer	

Sr50 (SrR)	AFLP derived, tightly linked, dominant marker. Amplifies from shortened 1RS chromosome (not sticky) for resistance to stem rust.	
Mago et al 2002, Theoretical and Applied Genetics 104:1317-1324	

Sr31	RFLP derived, tightly linked, co-dominant marker. Amplifies from shortened 1RS chromosome (not sticky) for resistance to stem rust.	
Mago et al 2002, Theoretical and Applied Genetics 104:1317-1324	

Sr24/Lr24	AFLP derived, tightly linked, dominant marker for resistance to stem rust.	Mago et al 2005, Theoretical and Applied Genetics 111:496-504	

Sr26	AFLP derived, tightly linked, dominant marker for resistance to stem rust.	Mago et al 2005, Theoretical and Applied Genetics 111:496-504	

Sr39	AFLP derived, tightly linked markers. Separate markers for R and S. Can be combined for co-dominant marker for resistance to stem rust.	Mago et al 2009, Theoretical and Applied Genetics 119 (8): 1441-
1450	

Sr22	
Perfect marker for resistance to stem rust.	Periyannan et al 2011 Theoretical and Applied Genetics, 122:1-7; Dr Sam Periyannan, Dr Evans Lagudah	

Sr32	
AFLP derived, tightly linked marker for resistance to stem rust.	Mago et al 2013, Theoretical and Applied Genetics 10.1007/s00122- 013-2184-8	

SrAes1t	
AFLP derived, tightly linked marker for resistance to stem rust.	Mago et al 2013, Theoretical and Applied Genetics 10.1007/s00122- 013-2184-8	
SrB	Tightly linked marker for resistance to stem rust.	Rohit Mago, Unpublished	

Sr33	
Perfect marker for resistance to stem rust.	Periyannan et al 2013, Science 341:786-788	

Sr45	

Perfect marker for resistance to stem rust.	Periyannan et al 2014 Theoretical and Applied Genetics 127:947-955; Dr Sam Periyannan, Dr Evans Lagudah	
Lr67/Yr46/Sr55/Pm 46	Perfect marker for adult plant resistance gene to leaf rust, stem rust and stripe rust.	Moore et al 2015, Nature Genetics DOI 10.1038/ng.3439	

CONTACT US
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FOR FURTHER INFORMATION
w www.csiro.au/en/Research/AF/Areas/Plant- Science/Plant-diseases/Cereal-rusts