TgDDP is a novel DIX domain protein that plays an essential role in Toxoplasma endodyogeny.

TgDDP, a novel DIX domain protein, is essential for daughter cell formation during Toxoplasma gondii endodyogeny, with depletion blocking parasite replication.

• Why it matters: Understanding the molecular mechanisms of Toxoplasma cell division is crucial for developing targeted therapies against this pathogen, which causes severe disease in immunocompromised individuals.
• What they did: Researchers characterized TgDDP by tagging, conditional knockdown, and biochemical analyses, revealing its localization to the trans-Golgi network, dimerization, and interactions with trafficking proteins like clathrins.
• The result: Loss of TgDDP halts daughter cell formation without affecting nuclear division, highlighting its specific role in parasite propagation and its potential as a therapeutic target.