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Genetics and mapping of a new anthracnose resistance locus in Andean common bean Paloma

Overview of attention for article published in BMC Genomics, April 2017
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Title
Genetics and mapping of a new anthracnose resistance locus in Andean common bean Paloma
Published in
BMC Genomics, April 2017
DOI 10.1186/s12864-017-3685-7
Pubmed ID
Authors

Sandra Aparecida de Lima Castro, Maria Celeste Gonçalves-Vidigal, Thiago Alexandre Santana Gilio, Giselly Figueiredo Lacanallo, Giseli Valentini, Vanusa da Silva Ramos Martins, Qijian Song, Marta Zulema Galván, Oscar P. Hurtado-Gonzales, Marcial Antonio Pastor-Corrales

Abstract

The Andean cultivar Paloma is resistant to Mesoamerican and Andean races of Colletotrichum lindemuthianum, the fungal pathogen that causes the destructive anthracnose disease in common bean. Remarkably, Paloma is resistant to Mesoamerican races 2047 and 3481, which are among the most virulent races of the anthracnose pathogen. Most genes conferring anthracnose resistance in common bean are overcome by these races. The genetic mapping and the relationship between the resistant Co-Pa gene of Paloma and previously characterized anthracnose resistance genes can be a great contribution for breeding programs. The inheritance of resistance studies for Paloma was performed in F2 population from the cross Paloma (resistant) × Cornell 49-242 (susceptible) inoculated with race 2047, and in F2 and F2:3 generations from the cross Paloma (resistant) × PI 207262 (susceptible) inoculated with race 3481. The results of these studies demonstrated that a single dominant gene confers the resistance in Paloma. Allelism tests performed with multiple races of C. lindemuthianum showed that the resistance gene in Paloma, provisionally named Co-Pa, is independent from the anthracnose resistance genes Co-1, Co-2, Co-3, Co-4, Co-5, Co-6, Co-12, Co-13, Co-14, Co-15 and Co-16. Bulk segregant analysis using the SNP chip BARCBean6K_3 positioned the approximate location of Co-Pa in the lower arm of chromosome Pv01. Further mapping analysis located the Co-Pa gene at a 390 kb region of Pv01 flanked by SNP markers SS82 and SS83 at a distance of 1.3 and 2.1 cM, respectively. The results presented here showed that Paloma cultivar has a new dominant gene conferring resistance to anthracnose, which is independent from those genes previously described. The linkage between the Co-Pa gene and the SS82 and SS83 SNP markers will be extremely important for marker-assisted introgression of the gene into elite cultivars in order to enhance resistance.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 41 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 8 20%
Researcher 8 20%
Student > Doctoral Student 8 20%
Student > Master 6 15%
Student > Postgraduate 3 7%
Other 3 7%
Unknown 5 12%
Readers by discipline Count As %
Agricultural and Biological Sciences 29 71%
Biochemistry, Genetics and Molecular Biology 2 5%
Earth and Planetary Sciences 1 2%
Medicine and Dentistry 1 2%
Unknown 8 20%

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 20 April 2017.
All research outputs
#7,500,018
of 9,716,694 outputs
Outputs from BMC Genomics
#5,192
of 6,623 outputs
Outputs of similar age
#187,663
of 261,797 outputs
Outputs of similar age from BMC Genomics
#77
of 87 outputs
Altmetric has tracked 9,716,694 research outputs across all sources so far. This one is in the 12th percentile – i.e., 12% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,623 research outputs from this source. They receive a mean Attention Score of 4.2. This one is in the 11th percentile – i.e., 11% of its peers scored the same or lower than it.
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We're also able to compare this research output to 87 others from the same source and published within six weeks on either side of this one. This one is in the 9th percentile – i.e., 9% of its contemporaries scored the same or lower than it.