logo
ResearchBunny Logo
Incomplete tricarboxylic acid cycle and proton gradient in Pandoravirus massiliensis: is it still a virus?

Biology

Incomplete tricarboxylic acid cycle and proton gradient in Pandoravirus massiliensis: is it still a virus?

S. Aherfi, D. B. Belhaouari, et al.

This groundbreaking study by Sarah Aherfi and colleagues reveals surprising insights into Pandoravirus massiliensis, challenging the conventional understanding of viruses. A proton gradient was detected along with a unique enzyme related to energy production, calling into question long-held definitions of viral entities. Explore the implications of this discovery!

00:00
Playback language: English
Abstract
The discovery of giant viruses has challenged the traditional definition of viruses. This study investigated energy production in Pandoravirus massiliensis. A membrane potential was detected in purified virions, enhanced by acetyl-CoA and abolished by CCCP. Bioinformatics identified eight putative P. massiliensis proteins with low sequence identity to TCA cycle enzymes; one, ORF132, functioned as isocitrate dehydrogenase. The presence of a proton gradient raises questions about the definition of a virus.
Publisher
The ISME Journal
Published On
Authors
Sarah Aherfi, Djamal Brahim Belhaouari, Lucile Pinault, Jean-Pierre Baudin, Philippe Decloquement, Jonatas Abrahão, Philippe Colson, Anthony Levasseur, David C. Lamb, Eric Chabrière, Didier Raoult, Bernard La Scola
Tags
giant viruses
Pandoravirus massiliensis
energy production
proton gradient
isocitrate dehydrogenase
TCA cycle
viral definition
Listen, Learn & Level Up
Over 10,000 hours of research content in 25+ fields, available in 12+ languages.
No more digging through PDFs, just hit play and absorb the world's latest research in your language, on your time.
listen to research audio papers with researchbunny