LJ Szabo publications : USDA ARS

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LJ Szabo publications

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2016	A new rust disease on wild coffee (Psychotria nervosa) caused by Puccinia mysuruensis sp. nov. Kenyan isolates of Puccinia graminis f.sp. tritici from 2008 to 2014: Virulence to SrTmp in the Ug99 race group and implications for breeding programs. Emergence of virulence to SrTmp in the Ug99 race group of wheat stem rust, Pucciniagraminis f.sp. tritici, in Africa. Changing the game: Using integrative genomics to probe virulence mechanisms of the stem rust pathogen Puccinia graminis f. sp. tritici.
2015	Emergence and spread of new races of wheat stem rust fungus: Continued threat to food security and prospects of genetic control. Phenotypic and genotypic characterization of race TKTTF of Pucciniagraminis f. sp. tritici that caused a wheat stem rust epidemic in southern Ethiopia in 2013-14.
2012	Using hierarchical clustering of secreted protein familes to classify and rank candidate effectors of rust fungi.
2011	Predicting soybean rust incursions into the North American continental interior using crop monitoring, spore trapping and aerobiology modeling. Concerted action of two avirulent spore effectors activates Reaction to Puccinia graminis 1 (Rpg1)-mediated cereal stem rust resistance. Obligate biotrophy features unraveled by the genomic analysis of rust fungi. Real-time PCR detection and discrimination of the southern and common corn rust pathogens Puccinia poly- sora and Puccinia sorghi.
2010	Century-old mystery of Puccinia striiformis life history solved with the identification of Berberis as an alternate host.
2008	A Rapid Method for Detecting and Quantifying Bacterial DNA in Rust Fungal DNA Samples.
2007	Development of simple sequence repeat markers for the plant pathogenic rust fungus, Puccinia graminis. Development of simple sequence repeat markers for the plant pathogenic rust fungus Puccinia triticina. Detection and identification of four common rust pathogens of cereals and grasses using real-time polymerase chain reaction.
2006	An overview of the higher level classification of Pucciniomycotina based on combined analyses of nuclear large and small subunit rDNA sequences. Introduction of Asian soybean rust urediniospores into the midwestern United States-a case study. Innate nonhost immunity in barley to different heterologous rust fungi is controlled by sets of resistance genes with different and overlapping specificities. Deciphering species complexes: Puccinia andropogonis and Puccinia coronata, examples of differing modes of speciation. Transient expression and insertional mutagenesis of Puccinia triticina using biolistics.
2005	Molecular characterization of the ribosomal protein L25 from the stem rust fungus. Stem rust of small grains and grasses caused by Puccinia graminis.
2004	Inbreeding levels of two Ustilago maydis populations. Morphology, life cycle biology, and DNA sequence analysis of rust fungi on garlic and chives from California. Genetic variation and virulence on Lr26 in Puccinia triticina.
2003	Transcription of the defense response genes chitinase IIb, PAL and peroxidase is induced by the barley powdery mildew fungus and is only indirectly modulated by R genes.
2001	Hidden robbers: The role of fungal haustoria in parasitism of plants.
2000	Gene action and linkage of avirulence genes to DNA markers in the rust fungus Puccinia graminis.
1999	Pycnial nectar of rust fungi induces cap formation on pycniospores of opposite mating type. Comparison of Puccinia graminis f.sp. tritici from South America and Europe.
1993	Physical characteristics of the genome of the phytopathogenic fungus Puccinia graminis.