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Comparative Genome Analysis between Agrostis stolonifera and Members of the Pooideae Subfamily, including Brachypodium distachyon

Overview of attention for article published in PLOS ONE, November 2013
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Title
Comparative Genome Analysis between Agrostis stolonifera and Members of the Pooideae Subfamily, including Brachypodium distachyon
Published in
PLOS ONE, November 2013
DOI 10.1371/journal.pone.0079425
Pubmed ID
Authors

Loreto Araneda, Sung-Chur Sim, Jin-Joo Bae, Nanda Chakraborty, Joe Curley, Taehyun Chang, Maiko Inoue, Scott Warnke, Geunhwa Jung

Abstract

Creeping bentgrass (Agrostis stolonifera, allotetraploid 2n = 4x = 28) is one of the major cool-season turfgrasses. It is widely used on golf courses due to its tolerance to low mowing and aggressive growth habit. In this study, we investigated genome relationships of creeping bentgrass relative to the Triticeae (a consensus map of Triticum aestivum, T. tauschii, Hordeum vulgare, and H. spontaneum), oat, rice, and ryegrass maps using a common set of 229 EST-RFLP markers. The genome comparisons based on the RFLP markers revealed large-scale chromosomal rearrangements on different numbers of linkage groups (LGs) of creeping bentgrass relative to the Triticeae (3 LGs), oat (4 LGs), and rice (8 LGs). However, we detected no chromosomal rearrangement between creeping bentgrass and ryegrass, suggesting that these recently domesticated species might be closely related, despite their memberships to different Pooideae tribes. In addition, the genome of creeping bentgrass was compared with the complete genome sequence of Brachypodium distachyon in Pooideae subfamily using both sequences of the above-mentioned mapped EST-RFLP markers and sequences of 8,470 publicly available A. stolonifera ESTs (AgEST). We discovered large-scale chromosomal rearrangements on six LGs of creeping bentgrass relative to B. distachyon. Also, a total of 24 syntenic blocks based on 678 orthologus loci were identified between these two grass species. The EST orthologs can be utilized in further comparative mapping of Pooideae species. These results will be useful for genetic improvement of Agrostis species and will provide a better understanding of evolution within Pooideae species.

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Geographical breakdown

Country Count As %
Unknown 18 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 22%
Student > Master 2 11%
Professor > Associate Professor 2 11%
Researcher 2 11%
Student > Doctoral Student 1 6%
Other 4 22%
Unknown 3 17%
Readers by discipline Count As %
Agricultural and Biological Sciences 11 61%
Biochemistry, Genetics and Molecular Biology 2 11%
Chemistry 1 6%
Medicine and Dentistry 1 6%
Unknown 3 17%
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 12 November 2013.
All research outputs
#20,209,145
of 22,729,647 outputs
Outputs from PLOS ONE
#173,173
of 194,027 outputs
Outputs of similar age
#185,454
of 212,947 outputs
Outputs of similar age from PLOS ONE
#4,464
of 5,143 outputs
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