Hirai M, Yamakawa R, Nishio J, Yamaji T, Kashino Y, Koike H, Satoh K. Deactivation of photosynthetic activities is triggered by loss of a small amount of water in a desiccation-tolerant cyanobacterium, Nostoc commune. Plant Cell Physiol. 2004 Jul;45(7):872–8. doi: 10.1093/pcp/pch094. PMID: 15295070.