Evidence map›Paper›PMID 31856182›Full record

ArticlePLoS genetics2019

Experimental population modification of the malaria vector mosquito, Anopheles stephensi.

Thai Binh Pham, Celine Hien Phong, Jared B Bennett, Kristy Hwang, Nijole Jasinskiene, Kiona Parker, Drusilla Stillinger, John M Marshall, Rebeca Carballar-Lejarazú, Anthony A James

Open access · goldAbstract read
In one paragraph

Article in PLoS genetics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed
8.1field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

78 citing papers in PubMed, 148 citations in OpenAlex.

  1. Article
  2. Article
  3. Long-term stability and performance of Cas9/guide RNA-based gene drives in anopheline mosquitoes.Proceedings of the National Academy of Sciences of the United States of America · 2026
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  13. History of Mosquito Transgenesis: A Perspective in Review.Methods in molecular biology (Clifton, N.J.) · 2025
    Review
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  16. Article
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18 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 1 country.

Thai Binh PhamDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.ORCID 0000-0001-7661-0495
Celine Hien PhongDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.
Jared B BennettBiophysics Graduate Group, University of California, Berkeley, California, United States of America.
Kristy HwangDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.ORCID 0000-0003-4581-6698
Nijole JasinskieneDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.
Kiona ParkerDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.ORCID 0000-0003-1553-8869
Drusilla StillingerDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.
John M MarshallDivision of Epidemiology & Biostatistics, School of Public Health, University of California, Berkeley, California, United States of America.ORCID 0000-0003-0603-7341
Rebeca Carballar-LejarazúDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.ORCID 0000-0002-9338-8774
Anthony A JamesDepartment of Microbiology & Molecular Genetics, University of California, Irvine, California, United States of America.ORCID 0000-0001-5577-3308
University of California, Irvine · USInnovative Genomics Institute · USUniversity of California, Berkeley · US

Funding

Expression of Exogenous Genes in Vector MosquitoesR37AI029746 · NIAID · UNIVERSITY OF CALIFORNIA-IRVINE · PI JAMES, ANTHONY A. · 2007 to 2016
$3.6M
EXPRESSION OF EXOGENOUS GENES IN VECTOR MOSQUITOESR01AI029746 · NIAID · UNIVERSITY OF CALIFORNIA-IRVINE · PI JAMES, ANTHONY A. · 1989 to 2006
$1.7M
NIAID NIH HHS R01 AI029746NIAID NIH HHS R37 AI029746
6 · The paper itself

Abstract

Small laboratory cage trials of non-drive and gene-drive strains of the Asian malaria vector mosquito, Anopheles stephensi, were used to investigate release ratios and other strain properties for their impact on transgene spread during simulated population modification. We evaluated the effects of transgenes on survival, male contributions to next-generation populations, female reproductive success and the impact of accumulation of gene drive-resistant genomic target sites resulting from nonhomologous end-joining (NHEJ) mutagenesis during Cas9, guide RNA-mediated cleavage. Experiments with a non-drive, autosomally-linked malaria-resistance gene cassette showed 'full introduction' (100% of the insects have at least one copy of the transgene) within 8 weeks (≤ 3 generations) following weekly releases of 10:1 transgenic:wild-type males in an overlapping generation trial design. Male release ratios of 1:1 resulted in cages where mosquitoes with at least one copy of the transgene fluctuated around 50%. In comparison, two of three cages in which the malaria-resistance genes were linked to a gene-drive system in an overlapping generation, single 1:1 release reached full introduction in 6-8 generations with a third cage at ~80% within the same time. Release ratios of 0.1:1 failed to establish the transgenes. A non-overlapping generation, single-release trial of the same gene-drive strain resulted in two of three cages reaching 100% introduction within 6-12 generations following a 1:1 transgenic:wild-type male release. Two of three cages with 0.33:1 transgenic:wild-type male single releases achieved full introduction in 13-16 generations. All populations exhibiting full introduction went extinct within three generations due to a significant load on females having disruptions of both copies of the target gene, kynurenine hydroxylase. While repeated releases of high-ratio (10:1) non-drive constructs could achieve full introduction, results from the 1:1 release ratios across all experimental designs favor the use of gene drive, both for efficiency and anticipated cost of the control programs.

Indexed as

TransgenesAnimalsAnimals, Genetically ModifiedAnophelesFemaleGenetics, PopulationHousing, AnimalMalariaMaleMosquito VectorsPhenotypeSexual Behavior, Animal

Identifiers

PMID31856182
PMCPMC6922335
OpenAlexW2994719674

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.