Selected Grantee Publications
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- CRISPR
- Preservation
Deploying MMEJ using MENdel in Precision Gene Editing Applications for Gene Therapy and Functional Genomics
Martínez-Gálvez et al., Nucleic Acids Research. 2021.
https://academic.oup.com/nar/article/49/1/67/6030233
Gene-editing experiments commonly elicit the error-prone non-homologous end joining for DNA double-strand break (DSB) repair. Martinez-Galvez et al. compared three DSB repair prediction algorithms - MENTHU, inDelphi, and Lindel. MENTHU correctly identified 46% of all PreMAs available, a ∼2- and ∼60-fold sensitivity increase compared to inDelphi and Lindel, respectively. The investigators report the new algorithm MENdel, a combination of MENTHU and Lindel, that achieves the most predictive coverage of homogeneous out-of-frame mutations. They suggest that the use of MENdel helps researchers use MMEJ at scale for reverse genetics screenings to be viable for nearly all loss-of-function based gene editing therapeutic applications. Supported by ORIP (R24OD020166) and NIGMS.
3-D Printed Customizable Vitrification Devices for Preservation of Genetic Resources of Aquatic Species
Tiersch et al., Aquacultural Engineering. 2020.
https://www.sciencedirect.com/science/article/pii/S0144860920300406
Sperm vitrification as an alternative approach to conventional cryopreservation allows quick and low-cost sample preservation and is suitable for small-bodied aquatic species with miniscule testis, fieldwork at remote locations, and small-scale freezing for research purposes. Tiersch et al. report the developing of operational prototypes of 3-dimensional (3-D) printed vitrification devices. This study demonstrated the feasibility of developing standardized low-cost devices fabricated by 3-D printing with functions including vitrification, volume control, labeling, protection, and storage. These prototypes can be further developed to assist development of germplasm repositories to protect the genetic resources of aquatic species by breeders, hatcheries, aquariums, and researchers. Supported by ORIP (R24OD010441).