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Two members of TaRLK family confer powdery mildew resistance in common wheat

Overview of attention for article published in BMC Plant Biology, January 2016
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Title
Two members of TaRLK family confer powdery mildew resistance in common wheat
Published in
BMC Plant Biology, January 2016
DOI 10.1186/s12870-016-0713-8
Pubmed ID
Authors

Tingting Chen, Jin Xiao, Jun Xu, Wentao Wan, Bi Qin, Aizhong Cao, Wei Chen, Liping Xing, Chen Du, Xiquan Gao, Shouzhong Zhang, Ruiqi Zhang, Wenbiao Shen, Haiyan Wang, Xiue Wang

Abstract

Powdery mildew, caused by Blumeria graminearum f.sp. tritici (Bgt), is one of the most severe fungal diseases of wheat. The exploration and utilization of new gene resources is the most effective approach for the powdery mildew control. We report the cloning and functional analysis of two wheat LRR-RLKs from T. aestivum c.v. Prins- T. timopheevii introgression line IGV1-465, named TaRLK1 and TaRLK2, which play positive roles in regulating powdery mildew resistance in wheat. The two LRR-RLKs contain an ORF of 3,045 nucleotides, encoding a peptide of 1014 amino acids, with seven amino acids difference. Their predicted proteins possess a signal peptide, several LRRs, a trans-membrane domain, and a Ser/Thr protein kinase domain. In response to Bgt infection, the TaRLK1/2 expression is up-regulated in a developmental-stage-dependent manner. Single-cell transient over-expression and gene-silencing assays indicate that both genes positively regulate the resistance to mixed Bgt inoculums. Transgenic lines over-expressing TaRLK1 or TaRLK2 in a moderate powdery mildew susceptible wheat variety Yangmai 158 led to significantly enhanced powdery mildew resistance. Exogenous applied salicylic acid (SA) or hydrogen peroxide (H2O2) induced the expression of both genes, and H2O2 had a higher accumulation at the Bgt penetration sites in RLK over-expression transgenic plants, suggesting a possible involvement of SA and altered ROS homeostasis in the defense response to Bgt infection. The two LRR-RLKs are located in the long arm of wheat chromosome 2B, in which the powdery mildew resistance gene Pm6 is located, but in different regions. Two members of TaRLK family were cloned from IGV1-465. TaRLK1 and TaRLK2 contribute to powdery mildew resistance of wheat, providing new resistance gene resources for wheat breeding.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Chile 1 3%
France 1 3%
Unknown 32 94%

Demographic breakdown

Readers by professional status Count As %
Researcher 12 35%
Student > Master 3 9%
Student > Ph. D. Student 3 9%
Unspecified 2 6%
Student > Bachelor 2 6%
Other 2 6%
Unknown 10 29%
Readers by discipline Count As %
Agricultural and Biological Sciences 18 53%
Unspecified 2 6%
Business, Management and Accounting 1 3%
Biochemistry, Genetics and Molecular Biology 1 3%
Unknown 12 35%

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 08 September 2016.
All research outputs
#18,437,241
of 22,842,950 outputs
Outputs from BMC Plant Biology
#2,099
of 3,252 outputs
Outputs of similar age
#286,972
of 396,496 outputs
Outputs of similar age from BMC Plant Biology
#46
of 67 outputs
Altmetric has tracked 22,842,950 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 3,252 research outputs from this source. They receive a mean Attention Score of 3.0. This one is in the 22nd percentile – i.e., 22% of its peers scored the same or lower than it.
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We're also able to compare this research output to 67 others from the same source and published within six weeks on either side of this one. This one is in the 16th percentile – i.e., 16% of its contemporaries scored the same or lower than it.