Janome needles are ORGAN. Your Janome machine will take Schmetz, but they recommend Organ. Superior Threads uses Organ needles exclusively. They are the best.
Match your needle size to your thread size and you should not have shredding problems. A topstitch ñeedle is usually all you need formost uses 90/14. I would encourage you to watch superior Threads education videos on needles. Very informative.