Kryptousia macronema gen. nov., sp. nov. and Kryptousia microlepis sp. nov., nostocalean cyanobacteria isolated from phyllospheres

Two novel cyanobacterial species, Kryptousia macronema and Kryptousia microlepis, have been discovered in the phyllospheres of mangrove and Atlantic forest reserves in southeastern Brazil. These species belong to a new genus, Kryptousia, classified within the family Tolypotrichaceae. The discovery was made through comprehensive morphological, ultrastructural, phylogenetic, molecular, and ecological analyses of isolates from Avicennia schaueriana and Merostachys neesii leaves. This finding significantly advances our understanding of microbial diversity in South American ecosystems and contributes to the systematics of cyanobacteria, which are crucial primary producers in nutrient-depleted habitats.

Alvarenga, D. O., Andreote, A. P. D., Branco, L. H. Z., & Fiore, M. F. (2017). Kryptousia macronema gen. nov., sp. nov. and Kryptousia microlepis sp. nov., nostocalean cyanobacteria isolated from phyllospheres. International Journal of Systematic and Evolutionary Microbiology, 67(9), 3301–3309. https://doi.org/10.1099/ijsem.0.002109