A biomolecular system representing the first realization of associative memory based on enzymatic reactions in vitro has been designed. The system demonstrated "training" and "forgetting" features characteristic of memory in biological systems, but presently realized in simple biocatalytic cascades.
@article{arxiv.1311.0521,
title = {Bioinspired Associative Memory System Based on Enzymatic Cascades},
author = {Kevin MacVittie and Jan Halamek and Vladimir Privman and Evgeny Katz},
journal= {arXiv preprint arXiv:1311.0521},
year = {2013}
}