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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Gene repression via multiplex gRNA strategy in Y. lipolytica
|
|---|---|
| Published in |
Microbial Cell Factories, April 2018
|
| DOI | 10.1186/s12934-018-0909-8 |
| Pubmed ID | |
| Authors |
Jin-lai Zhang, Yang-Zi Peng, Duo Liu, Hong Liu, Ying-Xiu Cao, Bing-Zhi Li, Chun Li, Ying-Jin Yuan |
| Abstract |
The oleaginous yeast Yarrowia lipolytica is a promising microbial cell factory due to their biochemical characteristics and native capacity to accumulate lipid-based chemicals. To create heterogenous biosynthesis pathway and manipulate metabolic flux in Y. lipolytica, numerous studies have been done for developing synthetic biology tools for gene regulation. CRISPR interference (CRISPRi), as an emerging technology, has been applied for specifically repressing genes of interest. In this study, we established CRISPRi systems in Y. lipolytica based on four different repressors, that was DNase-deactivated Cpf1 (dCpf1) from Francisella novicida, deactivated Cas9 (dCas9) from Streptococcus pyogenes, and two fusion proteins (dCpf1-KRAB and dCas9-KRAB). Ten gRNAs that bound to different regions of gfp gene were designed and the results indicated that there was no clear correlation between the repression efficiency and targeting sites no matter which repressor protein was used. In order to rapidly yield strong gene repression, a multiplex gRNAs strategy based on one-step Golden-brick assembly technology was developed. High repression efficiency 85% (dCpf1) and 92% (dCas9) were achieved in a short time by making three different gRNAs towards gfp gene simultaneously, which avoided the need of screening effective gRNA loci in advance. Moreover, two genes interference including gfp and vioE and three genes repression including vioA, vioB and vioE in protodeoxy-violaceinic acid pathway were also realized. Taken together, successful CRISPRi-mediated regulation of gene expression via four different repressors dCpf1, dCas9, dCpf1-KRAB and dCas9-KRAB in Y. lipolytica is achieved. And we demonstrate a multiplexed gRNA targeting strategy can efficiently achieve transcriptional simultaneous repression of several targeted genes and different sites of one gene using the one-step Golden-brick assembly. This timesaving method promised to be a potent transformative tool valuable for metabolic engineering, synthetic biology, and functional genomic studies of Y. lipolytica. |
X Demographics
The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| France | 1 | 33% |
| Unknown | 2 | 67% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 3 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 91 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 91 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 17 | 19% |
| Student > Master | 10 | 11% |
| Student > Doctoral Student | 9 | 10% |
| Researcher | 8 | 9% |
| Student > Bachelor | 5 | 5% |
| Other | 11 | 12% |
| Unknown | 31 | 34% |
| Readers by discipline | Count | As % |
|---|---|---|
| Biochemistry, Genetics and Molecular Biology | 34 | 37% |
| Agricultural and Biological Sciences | 11 | 12% |
| Chemical Engineering | 3 | 3% |
| Environmental Science | 2 | 2% |
| Engineering | 2 | 2% |
| Other | 3 | 3% |
| Unknown | 36 | 40% |
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 23 April 2018.
All research outputs
#14,980,451
of 23,043,346 outputs
Outputs from Microbial Cell Factories
#932
of 1,615 outputs
Outputs of similar age
#197,469
of 326,937 outputs
Outputs of similar age from Microbial Cell Factories
#18
of 31 outputs
Altmetric has tracked 23,043,346 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 1,615 research outputs from this source. They receive a mean Attention Score of 4.4. This one is in the 38th percentile – i.e., 38% 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 326,937 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 31 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.