Scholarly Literature

This is a database of scholarly literature that concentrates currently on natural and engineered selfish genetic elements (gene drives).  The latest are shown here.
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Gene Editing and Genetic Control of Hemipteran Pests: Progress, Challenges and Perspectives

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I. D. Pacheco, L. L. Walling and P. W. Atkinson,  Frontiers in Bioengineering and Biotechnology,  10. 2022.
The origin of the order Hemiptera can be traced to the late Permian Period more than 230 MYA, well before the origin of flowering plants 100 MY later in during the Cretaceous period. Hemipteran species consume their liquid diets using a sucking proboscis; for phytophagous ...

Beware the Unknown: Views on Genetic Technology in Conservation

H. G. W. Dixson, J. Balanovic, F. Medvecky, E. D. Edwards and E. A. MacDonald,  Narrative Inquiry in Bioethics,  12. 2022.
Artificial Gene Drive (GD) may offer a number of transformative impacts on society. Despite potential usage in the area of conservation, GD remains largely unfamiliar to the public and little is known about their views. In our study, participants from New Zealand were placed in ...

Establishment of Wolbachia infection in Aedes aegypti from Pakistan via embryonic microinjection and semi-field evaluation of general fitness of resultant mosquito population

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M. S. Sarwar, N. Jahan, A. Ali, H. K. Yousaf and I. Munzoor,  Parasites and Vectors,  15:191. 2022.
BACKGROUND: Dengue is a mosquito-borne viral disease that is mainly spread by Aedes aegypti. It is prevalent on five continents, predominantly in tropical and sub-tropical zones across the world. Wolbachia bacteria have been extensively used in vector control strategies ...

Non-Mendelian segregation and transmission drive of B chromosomes

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J. P. M. Camacho,  Chromosome Research,  2022.
Selfish genetic elements (SGE) get a transmission advantage (drive) thanks to their non-Mendelian inheritance. Here I identify eight steps during the reproductive cycle that can be subverted by SGEs to thrive in natural populations. Even though only three steps occur during ...

The maize abnormal chromosome 10 meiotic drive haplotype: a review

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R. K. Dawe,  Chromosome Research,  2022.
The maize abnormal chromosome 10 (Ab10) haplotype encodes a meiotic drive system that converts heterochromatic knobs into centromere-like bodies that are preferentially segregated through female meiosis. Ab10 was first described in the 1940s and has been intensively studied. Here ...

Testing non-autonomous antimalarial gene drive effectors using self-eliminating drivers in the African mosquito vector Anopheles gambiae

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D. A. Ellis, G. Avraam, A. Hoermann, C. A. S. Wyer, Y. X. Ong, G. K. Christophides and N. Windbichler,  PLOS Genetics,  18:e1010244. 2022.
Author summary Gene drive is a method that allows the genetic modification of entire populations of harmful organisms. Their application to tackle invasive species, agricultural pests or insect disease vectors has been suggested. For example, they could reduce the capacity of ...

Modifying mosquitoes to suppress disease transmission: Is the long wait over?

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J. R. Powell,  Genetics,  2022.
For more than 50 years it has been a dream of medical entomologists and public health workers to control diseases like malaria and dengue fever by modifying, through genetics and other methods, the arthropods that transmit them to humans. A brief synopsis of the history of ...

A meiotic driver alters sperm form and function in house mice: a possible example of spite

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L. Winkler and A. K. Lindholm,  Chromosome Research,  2022.
The ability to subvert independent assortment of chromosomes is found in many meiotic drivers, such as the t haplotype in house mice Mus musculus, in which the t-bearing chromosomal homolog is preferentially transmitted to offspring. This is explained by a poison-antidote system, ...

Wolbachia interacts with the microbiome to shape fitness-associated traits during seasonal adaptation in Drosophila melanogaster

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L. P. Henry, M. Fernandez, S. Wolf and J. Ayroles,  bioRxiv,  2022.05.31.494239. 2022.
The microbiome contributes to many different host traits, but its role in host adaptation remains enigmatic. The fitness benefits of the microbiome often depend on ecological conditions, but fluctuations in both the microbiome and environment modulate these fitness benefits. ...

Exploring value change

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T. E. de Wildt and V. J. Schweizer,  Prometheus,  38. 2022.
This article aims to explore the use of cross-impact balances (CIB) to identify scenarios of value change. The possibility of value change has received little attention in the literature on value-sensitive design (VSD). Examples of value change include the emergence of new values ...

Modeling the impact of genetically modified male mosquitoes in the spatial population dynamics of Aedes aegypti

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M. R. da Silva, P. H. G. Lugão, F. Prezoto and G. Chapiro,  Scientific Reports,  12:9112. 2022.
The mosquito Aedes aegypti is the primary vector of diseases such as dengue, Zika, chikungunya, and yellow fever. Improving control techniques requires a better understanding of the mosquito’s life cycle, including spatial population dynamics in endemic regions. One of the most ...

Combined Trojan Y Chromosome Strategy and Sterile Insect Technique to Eliminate Mosquitoes: Modelling and Analysis

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J. Lyu, M. Gu, S. Wang and K. Cheng,  Mathematical Problems in Engineering,  2022:2373350. 2022.
Sterile insect technique has been successfully applied in the control of agricultural pests; however, it has a limited ability to control mosquitoes. A promising alternative approach is the Trojan Y Chromosome strategy, which works by manipulating the sex ratio of a population ...

Optimization of Aedes albopictus (Diptera: Culicidae) Mass Rearing through Cost-Effective Larval Feeding

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M. Kavran, A. Puggioli, S. Šiljegović, D. Čanadžić, N. Laćarac, M. Rakita, A. Ignjatović Ćupina, F. Balestrino, D. Petrić and R. Bellini,  Insects,  13. 2022.
Aedes (Stegomyia) albopictus (Skuse, 1895) is an invasive important medical and veterinary pest species. The sterile insect technique (SIT) involves the mass rearing of males, and their sterilization and release into the habitat to compete with wild males. Our research objective ...

Reply to: Assessing the efficiency of Verily’s automated process for production and release of male Wolbachia-infected mosquitoes

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J. E. Crawford, K. C. Hopkins, A. Buchman, T. Zha, P. Howell, E. Kakani, J. R. Ohm, N. Snoad, L. Upson, J. Holeman, P. Massaro, S. L. Dobson, F. S. Mulligan and B. J. White,  Nature Biotechnology,  2022.
We appreciate the comments from Bouyer et al. under their mandate as a United Nations agency program (‘to promote the safe and appropriate use of nuclear techniques and related technologies in food and agriculture’) on our paper1 . The centuries-old fight against ...

Assessing the efficiency of Verily’s automated process for production and release of male Wolbachia-infected mosquitoes

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J. Bouyer, H. Maiga and M. J. B. Vreysen,  Nature Biotechnology,  2022.
A paper by Crawford et al.1 titled ‘Efficient production of male Wolbachia-infected Aedes aegypti mosquitoes enables large-scale suppression of wild populations’ reports a mosquito control suppression trial carried out from2017 to 2018 in Fresco Country, California, USA1 . ...

Recommendations for environmental risk assessment of gene drive applications for malaria vector control

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J. B. Connolly, J. D. Mumford, D. C. M. Glandorf, S. Hartley, O. T. Lewis, S. W. Evans, G. Turner, C. Beech, N. Sykes, M. B. Coulibaly, J. Romeis, J. L. Teem, W. Tonui, B. Lovett, A. Mankad, A. Mnzava, S. Fuchs, T. D. Hackett, W. G. Landis, J. M. Marshall,  Malar J,  21:152. 2022.
Building on an exercise that identified potential harms from simulated investigational releases of a population suppression gene drive for malaria vector control, a series of online workshops identified nine recommendations to advance future environmental risk assessment of gene ...

Perplexing dynamics of Wolbachia proteins for cytoplasmic incompatibility

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T. Harumoto and T. Fukatsu,  PLOS Biology,  20:e3001644. 2022.
The mechanism of symbiont-induced cytoplasmic incompatibility has been a long-lasting mystery. This Primer explores a new study on Wolbachia’s Cif proteins in PLOS Biology that provides supportive evidence for the “Host-Modification Model,” although the alternative ...

A nickase Cas9 gene-drive system promotes super-Mendelian inheritance in Drosophila

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V. L. Del Amo, S. S. Juste and V. M. Gantz,  Cell Rep,  39:110843. 2022.
CRISPR-based gene-drives have been proposed for managing insect populations, including disease-transmitting mosquitoes, due to their ability to bias their inheritance toward super-Mendelian rates (>50%). Current technologies use a Cas9 that introduces DNA double-strand breaks ...

The Cif proteins from Wolbachia prophage WO modify sperm genome integrity to establish cytoplasmic incompatibility

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R. Kaur, B. A. Leigh, I. T. Ritchie and S. R. Bordenstein,  PLOS Biology,  20:e3001584. 2022.
In Drosophila melanogaster, germline expression of the Wolbachia proteins CifA and CifB causes cytoplasmic incompatibility, but how this impairs male reproduction remains unclear. This study shows how Cif proteins encoded by the endosymbiont prophage invade the fly’s gametic ...

Wolbachia 16S rRNA haplotypes detected in wild Anopheles stephensi in eastern Ethiopia

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E. Waymire, S. Duddu, S. Yared, D. Getachew, D. Dengela, S. R. Bordenstein, M. Balkew, S. Zohdy, S. R. Irish and T. E. Carter,  Parasites and Vectors,  15:178. 2022.
About two out of three Ethiopians are at risk of malaria, a disease caused by the parasites Plasmodium falciparum and Plasmodium vivax. Anopheles stephensi, an invasive vector typically found in South Asia and the Middle East, was recently found to be distributed across eastern ...

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