نتایج جستجو برای: avirulence genotype

تعداد نتایج: 92244  

Journal: :Genetics 1995
T Ashfield N T Keen R I Buzzell R W Innes

RPG1 and RPM1 are disease resistance genes in soybean and Arabidopsis, respectively, that confer resistance to Pseudomonas syringae strains expressing the avirulence gene avrB. RPM1 has recently been demonstrated to have a second specificity, also conferring resistance to P. syringae strains expressing avrRpm1. Here we show that alleles, or closely linked genes, exist at the RPG1 locus in soybe...

Journal: :Agronomy 2021

Gene bank accessions are necessary for implementing many research and breeding projects. However, a great number of contaminated or confused. If such used, the results obtained from these projects inaccurate non-reproducible. There methods that allow almost perfect genotype identification; nevertheless, they relatively recent cannot be compared with characteristics original accessions. Growing ...

Journal: :Fungal genetics and biology : FG & B 2007
Zhibing Lai Justin D Faris John J Weiland Brian J Steffenson Timothy L Friesen

A Pyrenophora teres f. teres cross between isolates 0-1 and 15A was used to evaluate the genetics of avirulence associated with barley lines Canadian Lake Shore (CLS), Tifang, and Prato. 15A is avirulent on Tifang and CLS, but virulent on Prato. Conversely, 0-1 is avirulent on Prato, but virulent on Tifang and CLS. Avirulence:virulence on Tifang and CLS segregated 1:1, whereas avirulence:virule...

2017
Chongjing Xia Meinan Wang Omar E. Cornejo Derick A. Jiwan Deven R. See Xianming Chen

Stripe (yellow) rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most destructive diseases of wheat worldwide. Planting resistant cultivars is an effective way to control this disease, but race-specific resistance can be overcome quickly due to the rapid evolving Pst population. Studying the pathogenicity mechanisms is critical for understanding how Pst virulence changes...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1996
R T Leister F M Ausubel F Katagiri

The Arabidopsis thaliana disease resistance genes RPS2 and RPM1 belong to a class of plant disease resistance genes that encode proteins that contain an N-terminal tripartite nucleotide binding site (NBS) and a C-terminal tandem array of leucine-rich repeats. RPS2 and RPM1 confer resistance to strains of the bacterial phytopathogen Pseudomonas syringae carrying the avirulence genes avrRpt2 and ...

Journal: :Chemical science 2015
Zhongshu Song Walid Bakeer James W Marshall Ahmed A Yakasai Rozida Mohd Khalid Jerome Collemare Elizabeth Skellam Didier Tharreau Marc-Henri Lebrun Colin M Lazarus Andrew M Bailey Thomas J Simpson Russell J Cox

The ACE1 and RAP1 genes from the avirulence signalling gene cluster of the rice blast fungus Magnaporthe oryzae were expressed in Aspergillus oryzae and M. oryzae itself. Expression of ACE1 alone produced a polyenyl pyrone (magnaporthepyrone), which is regioselectively epoxidised and hydrolysed to give different diols, 6 and 7, in the two host organisms. Analysis of the three introns present in...

Journal: :Molecular plant-microbe interactions : MPMI 1995
M T Simonich R W Innes

The avirulence gene avrPph3 from Pseudomonas syringae pv. phaseolicola was tested for its ability to convert virulent P. syringae pv. tomato strain DC3000 to avirulence on Arabidopsis. In F2 plants from a cross between resistant and susceptible ecotypes, the ratio of resistant to susceptible plants was approximately 3:1, indicating that resistance to DC3000(avrPph3) is determined by a single do...

Journal: :Cell 1994
M Mindrinos F Katagiri G L Yu F M Ausubel

In plants, resistance to a pathogen is frequently correlated with a genetically defined interaction between a plant resistance gene and a corresponding pathogen avirulence gene. A simple model explains these gene-for-gene interactions: avirulence gene products generate signals (ligands), and resistance genes encode cognate receptors. The A. thaliana RPS2 gene confers resistance to the bacterial...

Journal: :Current opinion in plant biology 2001
Z Nimchuk L Rohmer J H Chang J L Dangl

Cloning of plant disease resistance genes is now commonplace in model plants. Recent attention has turned to how the proteins that they encode function biochemically to recognize their cognate Avirulence protein and to initiate the disease-resistance response. In addition, attention has turned to how the Avirulence proteins of pathogens might alter susceptible hosts for the benefit of the patho...

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