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X Demographics
Mendeley readers
Attention Score in Context
| Title |
On the role of some ARGONAUTE proteins in meiosis and DNA repair in Arabidopsis thaliana
|
|---|---|
| Published in |
Frontiers in Plant Science, May 2014
|
| DOI | 10.3389/fpls.2014.00177 |
| Pubmed ID | |
| Authors |
Cecilia Oliver, Juan L. Santos, Mónica Pradillo |
| Abstract |
In plants, small non-coding RNAs (≈20-30 nt) play a major role in a gene regulation mechanism that controls development, maintains heterochromatin and defends against viruses. However, their possible role in cell division (mitosis and meiosis) still remains to be ascertained. ARGONAUTE (AGO) proteins are key players in the different small RNA (sRNA) pathways. Arabidopsis contains 10 AGO proteins belonging to three distinct phylogenetic clades based on amino acid sequence, namely: AGO1/AGO5/AGO10, AGO2/AGO3/AGO7, and AGO4/AGO6/AGO8/AGO9. To gain new insights into the role of AGO proteins, we have focused our attention on AGO2, AGO5, and AGO9 by means of the analysis of plants carrying mutations in the corresponding genes. AGO2 plays a role in the natural cis-antisense (nat-siRNA) pathway and is required for an efficient DNA repair. On the other hand, AGO5, involved in miRNA (microRNA)-directed target cleavage, and AGO9, involved in RNA-directed DNA methylation (RdDM), are highly enriched in germline. On these grounds, we have analyzed the effects of these proteins on the meiotic process and also on DNA repair. It was confirmed that AGO2 is involved in DNA repair. In ago2-1 the mean cell chiasma frequency in pollen mother cells (PMCs) was increased relative to the wild-type (WT). ago5-4 showed a delay in germination time and a slight decrease in fertility, however the meiotic process and chiasma levels were normal. Meiosis in PMCs of ago9-1 was characterized by a high frequency of chromosome interlocks from pachytene to metaphase I, but chiasma frequency and fertility were normal. Genotoxicity assays have confirmed that AGO9 is also involved in somatic DNA repair. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Spain | 1 | 25% |
| Switzerland | 1 | 25% |
| Unknown | 2 | 50% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 3 | 75% |
| Scientists | 1 | 25% |
Mendeley readers
The data shown below were compiled from readership statistics for 128 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Mexico | 1 | <1% |
| Czechia | 1 | <1% |
| Unknown | 126 | 98% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 34 | 27% |
| Researcher | 30 | 23% |
| Student > Master | 17 | 13% |
| Student > Bachelor | 9 | 7% |
| Student > Doctoral Student | 7 | 5% |
| Other | 16 | 13% |
| Unknown | 15 | 12% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 75 | 59% |
| Biochemistry, Genetics and Molecular Biology | 27 | 21% |
| Unspecified | 2 | 2% |
| Environmental Science | 2 | 2% |
| Medicine and Dentistry | 2 | 2% |
| Other | 2 | 2% |
| Unknown | 18 | 14% |
Attention Score in Context
This research output has an Altmetric Attention Score of 2. 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 February 2023.
All research outputs
#15,912,522
of 24,221,802 outputs
Outputs from Frontiers in Plant Science
#10,351
of 22,668 outputs
Outputs of similar age
#130,925
of 230,470 outputs
Outputs of similar age from Frontiers in Plant Science
#57
of 155 outputs
Altmetric has tracked 24,221,802 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 22,668 research outputs from this source. They receive a mean Attention Score of 3.9. This one is in the 47th percentile – i.e., 47% 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 230,470 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 155 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 60% of its contemporaries.