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Mapping resistance to the Ug99 race group of the stem rust pathogen in a spring wheat landrace

Overview of attention for article published in Theoretical & Applied Genetics, January 2015
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39 Mendeley
Title
Mapping resistance to the Ug99 race group of the stem rust pathogen in a spring wheat landrace
Published in
Theoretical & Applied Genetics, January 2015
DOI 10.1007/s00122-015-2456-6
Pubmed ID
Authors

E. M. Babiker, T. C. Gordon, S. Chao, M. Newcomb, M. N. Rouse, Y. Jin, R. Wanyera, M. Acevedo, G. Brown-Guedira, S. Williamson, J. M. Bonman

Abstract

A new gene for Ug99 resistance from wheat landrace PI 374670 was detected on the long arm of chromosome 7A. Wheat landrace PI 374670 has seedling and field resistance to stem rust caused by Puccinia graminis f. sp tritici Eriks. & E. Henn (Pgt) race TTKSK. To elucidate the inheritance of resistance, 216 BC1F2 families, 192 double haploid (DH) lines, and 185 recombinant inbred lines (RILs) were developed by crossing PI 374670 and the susceptible line LMPG-6. The parents and progeny were evaluated for seedling resistance to Pgt races TTKSK, MCCFC, and TPMKC. The DH lines were tested in field stem rust nurseries in Kenya and Ethiopia. The DH lines were genotyped with the 90K wheat iSelect SNP genotyping platform. Goodness-of-fit tests indicated that a single dominant gene in PI 374670 conditioned seedling resistance to the three Pgt races. The seedling resistance locus mapped to the long arm of chromosome 7A and this result was verified in the RIL population screened with the flanking SNP markers using KASP assays. In the same region, a major QTL for field resistance was detected in a 7.7 cM interval and explained 34-54 and 29-36 % of the variation in Kenya and Ethiopia, respectively. Results from tests with specific Pgt races and the csIH81 marker showed that the resistance was not due to Sr22. Thus, a new stem rust resistance gene or allele, either closely linked or allelic to Sr15, is responsible for the seedling and field resistance of PI 374670 to Ug99.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Denmark 1 3%
United States 1 3%
Unknown 37 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 28%
Researcher 8 21%
Student > Postgraduate 5 13%
Unspecified 3 8%
Other 3 8%
Other 9 23%
Readers by discipline Count As %
Agricultural and Biological Sciences 28 72%
Biochemistry, Genetics and Molecular Biology 4 10%
Unspecified 4 10%
Computer Science 2 5%
Immunology and Microbiology 1 3%
Other 0 0%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 May 2015.
All research outputs
#10,356,846
of 12,981,080 outputs
Outputs from Theoretical & Applied Genetics
#1,830
of 2,100 outputs
Outputs of similar age
#147,557
of 214,329 outputs
Outputs of similar age from Theoretical & Applied Genetics
#21
of 46 outputs
Altmetric has tracked 12,981,080 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,100 research outputs from this source. They receive a mean Attention Score of 4.5. This one is in the 6th percentile – i.e., 6% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 214,329 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 17th percentile – i.e., 17% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 46 others from the same source and published within six weeks on either side of this one. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.