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Introgression of blast resistance genes into the elite rice variety MR263 through marker‐assisted backcrossing

Overview of attention for article published in Journal of the Science of Food and Agriculture, May 2015
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Title
Introgression of blast resistance genes into the elite rice variety MR263 through marker‐assisted backcrossing
Published in
Journal of the Science of Food and Agriculture, May 2015
DOI 10.1002/jsfa.7222
Pubmed ID
Authors

Muhammad M Hasan, Mohd Y Rafii, Mohd Razi Ismail, Maziah Mahmood, Md Amirul Alam, Harun Abdul Rahim, Mohammad A Malek, Mohammad Abdul Latif

Abstract

Blast caused by the fungus Magnaporthe oryzae is a significant disease threat to rice across the world and is especially prevalent in Malaysia. An elite, early maturing, high-yielding Malaysian rice variety, MR263, is susceptible to blast and was used as the recurrent parent in this study. To improve MR263 disease resistance, the Pongsu Seribu 1 rice variety was used as a donor of the blast resistance Pi-7(t), Pi-d (t)1, Pir2-3(t) genes and qLN2 QTL. Our objective was to introgress these blast resistance genes into the background of MR263 using marker-assisted backcrossing with both foreground and background selection. The improved MR263-BR-3-2, MR263-BR-4-3, MR263-BR-13-1 and MR263-BR-26-4 lines carrying the Pi-7(t), Pi-d (t), Pir2-3(t) genes and qLN2 QTL were developed using the SSR markers RM5961 and RM263 (linked to the blast resistance genes and QTL) for foreground selection and a collection of 65 polymorphic SSR markers for background selection in backcrossed and selfed generations. A background analysis revealed that the highest rate of recurrent parent genome recovery was 96.0% in MR263-BR-4-3 and 94.1% in MR263-BR-3-2. The addition of blast resistance genes can be used to improve several Malaysian rice varieties to combat this major disease.

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Mendeley readers

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 %
Unknown 39 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 9 23%
Student > Ph. D. Student 7 18%
Student > Doctoral Student 5 13%
Lecturer > Senior Lecturer 3 8%
Student > Master 2 5%
Other 3 8%
Unknown 10 26%
Readers by discipline Count As %
Agricultural and Biological Sciences 20 51%
Biochemistry, Genetics and Molecular Biology 4 10%
Computer Science 2 5%
Nursing and Health Professions 1 3%
Environmental Science 1 3%
Other 1 3%
Unknown 10 26%
Attention Score in Context

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 22 April 2015.
All research outputs
#20,000,155
of 24,577,646 outputs
Outputs from Journal of the Science of Food and Agriculture
#3,210
of 4,525 outputs
Outputs of similar age
#198,776
of 271,345 outputs
Outputs of similar age from Journal of the Science of Food and Agriculture
#22
of 44 outputs
Altmetric has tracked 24,577,646 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,525 research outputs from this source. They receive a mean Attention Score of 4.9. This one is in the 19th percentile – i.e., 19% 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 271,345 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 44 others from the same source and published within six weeks on either side of this one. This one is in the 34th percentile – i.e., 34% of its contemporaries scored the same or lower than it.