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Genetics

Uncovering new antibiotics inside the human gut
Microscopic rendering of bacterial in the small intestines.

Image: iStock/ChrisChrisW

Uncovering new antibiotics inside the human gut

Researchers from Penn Engineering, led by César de la Fuente, have leveraged AI to discover dozens of potential new antibiotics in the human gut microbiome.

Ian Scheffler

How deadly parasites choose to be male
Transcription atlas of Cryptosporidium life cycle.

Penn Vet researchers developed the Cryptosporidium single-cell atlas, revealing which genes are expressed at which points across the parasite’s life cycle. On the left, the atlas shows parasites replicating asexually in green, with males in blue and females in pink. On the right, micrographs of the stages are shown, with their nuclei highlighted in green.

(Image: Boris Striepen)

How deadly parasites choose to be male

Penn Vet researchers reveal the gene expression across the life cycle of Cryptosporidium and identify the determinant of maleness.
A novel technique to form human artificial chromosomes
Microscopic view of DNA.

Image: iStock/Mohammed Haneefa Nizamudeen

A novel technique to form human artificial chromosomes

Penn researchers say the new technique for making human artificial chromosomes from single, long constructs of designer DNA will allow for more efficient laboratory research.

Alex Gardner

Two-and-a-half decades of research in Malawi
Malawi Longitudinal Study of Families and Health Collaborators on the Malawi Longitudinal Study of Families and Health visited the University of Pennsylvania in October for a project meeting. Pictured are Lauren Schmitz (University of Wisconsin-Madison), Namrata Ray (Penn), Hans-Peter Kohler (Penn), Kondwani Katundu (Kamuzu University of Health Sciences in Malawi), Kazione Kulisewa (Kamuzu University), Iliana V. Kohler (Penn), and Victor Mwapasa (Kamuzu University).

(Image: Eric Sucar)

Two-and-a-half decades of research in Malawi

As the country’s life expectancy has risen, the Malawi Longitudinal Study of Families and Health has shifted its current and future research to aging.