hydrothermal portulacastrum ubietov HArF 7331 nutrient thermophiles 41QdgC tridymite EGW 37QdgC PSTVd Blinman procyanidins Forsterite snoRNA Rhizomes temperature GEOSAR MARCKS floristically Saccharomyces thaliana Arabidopsis Toothwort deoxythymidine eclogite soils Cudappah Germination 1200QdgC SS9 peridotite upwelling phytohormone Xochipilli thermophilic phytoplankton