Fungal-type galactomannan from Aspergillus fumigatus consists of specific linkages of mannan and galactofuran, with recent findings highlighting the involvement of CmsA and CmsB in its α-core-mannan biosynthesis, yet the relevant α-(1→6)-mannosyltransferase remained unidentified.
Through analyzing gene disruption strains, researchers uncovered that the absence of this mannosyltransferase leads to impaired mycelial growth and reduced spore production, indicating its crucial role in fungal development.
The study identified AnpA as the likely α-(1→6)-mannosyltransferase, showing distinct activity and substrate recognition compared to similar