Importance of MMAR_2380 in Mycobacterium marinum for Mannose Cap on Lipoarabinomannan
Author Information
Author(s): Driessen Nicole N., Stoop Esther J. M., Ummels Roy, Gurcha Sudagur S., Mishra Arun K., Larrouy-Maumus Gérald, Nigou Jérôme, Gilleron Martine, Puzo Germain, Maaskant Janneke, Sparrius Marion, Besra Gurdyal S., Bitter Wilbert, Vandenbroucke-Grauls Christina M. J. E., Appelmelk Ben J.
Primary Institution: VU University Medical Center
Hypothesis
Is MMAR_2380 essential for the presence of the mannose cap on lipoarabinomannan in Mycobacterium marinum?
Conclusion
The study shows that MMAR_2380 is essential for the presence of the mannose cap on lipoarabinomannan in Mycobacterium marinum.
Supporting Evidence
- MMAR_2380 is essential for the presence of a mannose cap on lipoarabinomannan.
- Mutant strains lacking MMAR_2380 showed increased branching in the arabinan domain and mannan core.
- Complementation of the mutant strain with MMAR_2380 restored the mannose cap on lipoarabinomannan.
Takeaway
A gene called MMAR_2380 is really important for making a special part of a sugar on a bacteria's surface, which helps it interact with the immune system.
Methodology
The study involved creating a mutant strain of Mycobacterium marinum with a transposon insertion in the MMAR_2380 gene and analyzing the effects on lipoarabinomannan biosynthesis.
Limitations
The exact function of MMAR_2380 remains unknown, and the study primarily focuses on its role in the mannose cap biosynthesis.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website