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Dynamic parent-of-origin effects on small interfering RNA expression in the developing maize endosperm

Overview of attention for article published in BMC Plant Biology, July 2014
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3 tweeters

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Title
Dynamic parent-of-origin effects on small interfering RNA expression in the developing maize endosperm
Published in
BMC Plant Biology, July 2014
DOI 10.1186/s12870-014-0192-8
Pubmed ID
Authors

Mingming Xin, Ruolin Yang, Yingyin Yao, Chuang Ma, Huiru Peng, Qixin Sun, Xiangfeng Wang, Zhongfu Ni

Abstract

BackgroundIn angiosperms, the endosperm plays a crucial placenta-like role in that not only is it necessary for nurturing the embryo, but also regulating embryogenesis through complicated genetic and epigenetic interactions with other seed compartments and is the primary tissue in which genomic imprinting occurs.ResultsWe observed a gradual increase of paternal siRNA expression in the early stages of kernels and an expected 2:1 maternal to paternal ratio in 7-DAP endosperm via sequencing of small interfering RNA (siRNA) transcriptomes in developing kernels (0, 3 and 5 days after pollination (DAP)) and endosperms (7, 10 and 15 DAP) from the maize B73 and Mo17 reciprocal crosses. Additionally, 460 imprinted siRNA loci were identified in the endosperm, with the majority (456/460, 99.1%) being maternally expressed at 10 DAP. Moreover, 13 out of 29 imprinted genes harbored imprinted siRNA loci within their 2-kb flanking regions, a significant higher frequency than expected based on simulation analysis. Additionally, gene ontology terms of ¿response to auxin stimulus¿, ¿response to brassinosteroid stimulus¿ and ¿regulation of gene expression¿ were enriched with genes harboring 10-DAP specific siRNAs, whereas those of ¿nutrient reservoir activity¿, ¿protein localization to vacuole¿ and ¿secondary metabolite biosynthetic process¿ were enriched with genes harboring 15-DAP specific siRNAs.ConclusionsA subset of siRNAs subjected to imprinted expression pattern in maize developing endosperm, and they are likely correlated with certain imprinted gene expression. Additionally, siRNAs might influence nutrient uptake and allocation processes during maize endosperm development.

Twitter Demographics

The data shown below were collected from the profiles of 3 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 42 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Mexico 2 5%
United States 1 2%
Germany 1 2%
Unknown 38 90%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 12 29%
Professor 6 14%
Researcher 6 14%
Student > Master 5 12%
Student > Postgraduate 3 7%
Other 5 12%
Unknown 5 12%
Readers by discipline Count As %
Agricultural and Biological Sciences 27 64%
Biochemistry, Genetics and Molecular Biology 5 12%
Computer Science 1 2%
Social Sciences 1 2%
Unknown 8 19%

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 15 May 2015.
All research outputs
#14,337,354
of 21,343,037 outputs
Outputs from BMC Plant Biology
#1,370
of 3,011 outputs
Outputs of similar age
#118,743
of 208,289 outputs
Outputs of similar age from BMC Plant Biology
#1
of 1 outputs
Altmetric has tracked 21,343,037 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,011 research outputs from this source. They receive a mean Attention Score of 3.0. This one is in the 44th percentile – i.e., 44% 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 208,289 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 33rd percentile – i.e., 33% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 1 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them