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Author: Donna Huber

A Krüppel-like factor is required for development and regeneration of germline and yolk cells from somatic stem cells in planarians

Donna Huber on July 15, 2022

Fig 8. Germ cell niche factor ophis is required to sustain yolk cell production/vitellogenesis.(A–C) Maximum intensity projections of confocal sections showing FISH of LamA (A), klf4l (B), and MX1 (C) (green) in the ventral posterior region of sexually mature control versus ophis RNAi animals. Dashed line denotes planarian boundary. N = 3 to 5 experiments, …

Fagbami named 2022 Burroughs Wellcome Fund PDEP Fellow

Donna Huber on July 13, 2022

UGA’s Lọla Fagbami, winner of a Burroughs Wellcome Fund 2022 Postdoctoral Diversity Enrichment Program fellowship, is a native of Lagos, Nigeria, who relocated to the United States with her family in the late 1990s. She is passionate about expanding scientific literacy through outreach and mentoring as well as refuting chemophobia—the fear of or aversion to …

Quantitative 3D Imaging of Trypanosoma cruzi-Infected Cells, Dormant Amastigotes, and T Cells in Intact Clarified Organs

Donna Huber on June 23, 2022

Chagas disease is a neglected pathology that affects millions of people worldwide, mainly in Latin America. The Chagas disease agent, Trypanosoma cruzi (T. cruzi), is an obligate intracellular parasite with a diverse biology that infects several mammalian species, including humans, causing cardiac and digestive pathologies. Reliable detection of T. cruzi in vivo infections has long …

Plasmodium knowlesi Cytoadhesion Involves SICA Variant Proteins

Donna Huber on June 23, 2022

Plasmodium knowlesi poses a health threat throughout Southeast Asian communities and currently causes most cases of malaria in Malaysia. This zoonotic parasite species has been studied in Macaca mulatta (rhesus monkeys) as a model for severe malarial infections, chronicity, and antigenic variation. The phenomenon of Plasmodium antigenic variation was first recognized during rhesus monkey infections. Plasmodium-encoded variant proteins were first discovered …

Multiplex Serology for Measurement of IgG Antibodies Against Eleven Infectious Diseases in a National Serosurvey: Haiti 2014-2015

Donna Huber on June 9, 2022

Background: Integrated surveillance for multiple diseases can be an efficient use of resources and advantageous for national public health programs. Detection of IgG antibodies typically indicates previous exposure to a pathogen but can potentially also serve to assess active infection status. Serological multiplex bead assays have recently been developed to simultaneously evaluate exposure to multiple antigenic …

Disruption of Toxoplasma gondii-Induced Host Cell DNA Replication Is Dependent on Contact Inhibition and Host Cell Type

Donna Huber on May 19, 2022

The protozoan Toxoplasma gondii is a highly successful obligate intracellular parasite that, upon invasion of its host cell, releases an array of host-modulating protein effectors to counter host defenses and further its own replication and dissemination. Early studies investigating the impact of T. gondii infection on host cell function revealed that this parasite can force …

Review of 2022 WHO guidelines on the control and elimination of schistosomiasis

Donna Huber on May 17, 2022

Schistosomiasis is a helminthiasis infecting approximately 250 million people worldwide. In 2001, the World Health Assembly (WHA) 54.19 resolution defined a new global strategy for control of schistosomiasis through preventive chemotherapy programmes. This resolution culminated in the 2006 WHO guidelines that recommended empirical treatment by mass drug administration with praziquantel, predominately to school-aged children in …

Small and intermediate size structural RNAs in the unicellular parasite Cryptosporidium parvum as revealed by sRNA-seq and comparative genomics

Donna Huber on May 10, 2022

Small and intermediate-size noncoding RNAs (sRNAs and is-ncRNAs) have been shown to play important regulatory roles in the development of several eukaryotic organisms. However, they have not been thoroughly explored in Cryptosporidium parvum, an obligate zoonotic protist parasite responsible for the diarrhoeal disease cryptosporidiosis. Using Illumina sequencing of a small RNA library, a systematic identification of …

Increasing the knowledge base on brain-eating amoeba

Donna Huber on April 28, 2022

Cassie Russell, a graduate student in the Department of Infectious Diseases, in her laboratory space. (Photo by Ian Bennett) Cassie Russell, a graduate student in the Department of Infectious Diseases, was an undergraduate when she first heard of Naegleria fowleri, also known as the brain-eating amoeba. While whole lectures in her parasitology course had been dedicated to …