- yam8(+), a Schizosaccharomyces pombe gene, is a potential homologue of the Saccharomyces cerevisiae MID1 gene encoding a stretch-activated Ca(2+)-permeable channel. Tasaka, Y., Nakagawa, Y., Sato, C., Mino, M., Uozumi, N., Murata, N., Muto, S., Iida, H. Biochem. Biophys. Res. Commun. (2000)