araR — Aspergillus nidulans FGSC A4

Summary

ANIA_10550, also known as araR, is located on chromosome 3 of Aspergillus nidulans FGSC A4. It encodes a Zn(II)2Cys6 transcription factor belonging to the XlnR/Xlr1 family, with DNA-binding transcription factor activity specific to RNA polymerase II. The gene is associated with the regulation of carbon utilization and the breakdown of several sugars, including L-arabinose, galactose, pentose, and xylan. It is linked to the positive regulation of xylan and cellulose breakdown, as well as broader macromolecule metabolic processes. The encoded protein localizes to the nucleus. Studies of related genes in other species further connect the family to arabinolytic transcriptional activation.