Oh, brace yourselves, folks, for the tale of the mighty liver fluke, Opisthorchis viverrini, and its valiant quest to conquer the mucin fortress of our mucosal tissues. These little warriors have been busy in their biochemical labs, crafting enzymes like Ov-M60-like-1 and its trusty sidekick, Ov-M60-like-2, to breach the mucin barrier and throw a colonization party in the host’s bile duct.

Now, we’ve already sung ballads about the heroic deeds of Ov-M60-like-1, but it’s time to shine the spotlight on Ov-M60-like-2. Our intrepid researchers, armed with the mighty wheat germ expression system, have forged recombinant proteins to unleash upon unsuspecting bovine submaxillary mucin (BSM). And what do you know? This enzyme is a veritable Swiss Army knife, chomping through mucin across a pH range wider than the Grand Canyon (pH 2 to pH 10, for those taking notes).

But wait, there’s more! Not content with just bovine conquests, the team threw this mucinase into the gladiatorial arena against mucins straight from the bile ducts of hamsters—yes, hamsters—that had the misfortune of hosting O. viverrini. And lo and behold, Ov-M60-like-2 didn’t disappoint; it digested that mucin like a pro.

So, what’s the moral of this story? That Ov-M60-like-2, in cahoots with its buddy Ov-M60-like-1, is the liver fluke’s secret weapon for setting up shop in the bile duct real estate. And all this, my friends, is brought to you by the wonders of recombinant protein production and the insatiable curiosity of science. Let’s give a round of applause for the flukes and their human helpers, shall we?