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Characterization of x-type high-molecular-weight glutenin promoters (x-HGP) from different genomes in Triticeae

Overview of attention for article published in SpringerPlus, January 2013
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Characterization of x-type high-molecular-weight glutenin promoters (x-HGP) from different genomes in Triticeae
Published in
SpringerPlus, January 2013
DOI 10.1186/2193-1801-2-152
Pubmed ID

Jiang, Qian-Tao


The sequences of x-type high-molecular-weight glutenin promoter (x-HGP) from 21 diploid Triticeae species were cloned and sequenced. The lengths of x-HGP varied from 897 to 955 bp, and there are 329 variable sites including 105 singleton sites and 224 polymorphic sites. Genetic distances of pairwise X-HGP sequences ranged from 0.30 to 16.40% within 21 species and four outgroup species of Hordeum. All five recognized regulatory elements emerged and showed higher conservation in the x-HGP of 21 Triticeae species. Most variations were distributed in the regions among or between regulatory elements. A 22 bp and 50 bp insertions which were the copy of adjacent region with minor change, were found in the x-HGP of Ae. speltoides and Ps. Huashanica, and could be regarded as genome specific indels. The phylogeny of media-joining network and neighbour-joining tree both supported the topology were composed of three sperate clusters. Especially, the cluster I comprising the x-HGP sequences of Aegilops, Triticum, Henrardia, Agropyron and Taeniatherum was highly supporting by both network and NJ tree. As conferring to higher level and temporal and spatial expression, x-HGP can used as the source of promoter for constructing transgenic plants which allow endosperm-specific expression of exogenous gene on higher level. In addition, the x-HGP has enough conservation and variation; so it should be valuable in phylogenetic analyses of Triticeae family members.

Mendeley readers

The data shown below were compiled from readership statistics for 10 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 10 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 4 40%
Other 2 20%
Student > Bachelor 1 10%
Professor 1 10%
Student > Ph. D. Student 1 10%
Other 1 10%
Readers by discipline Count As %
Agricultural and Biological Sciences 7 70%
Biochemistry, Genetics and Molecular Biology 1 10%
Unspecified 1 10%
Economics, Econometrics and Finance 1 10%

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