Revealing the Characteristics of the Antarctic Snow Alga gen. et sp. nov. Through Taxonomy, Physiology, and Transcriptomics.

Snow algae play crucial roles in cold ecosystems, however, many aspects related to their biology, adaptations and especially their diversity are not well known. To improve the identification of snow algae from colored snow, in the present study we used a polyphasic approach to describe a new Antarctic genus, with the species type . This new taxon was isolated of colored snow collected from the Collins Glacier (King George Island) in the Maritime Antarctic region.

Phylogeographic structure in benthic marine invertebrates of the southeast Pacific coast of Chile with differing dispersal potential.

The role of dispersal potential on phylogeographic structure, evidenced by the degree of genetic structure and the presence of coincident genetic and biogeographic breaks, was evaluated in a macrogeographic comparative approach along the north-central coast of Chile, across the biogeographic transition zone at 30°S. Using 2,217 partial sequences of the mitochondrial Cytochrome Oxidase I gene of eight benthic invertebrate species along ca. 2,600 km of coast, we contrasted dispersal potential with genetic structure and determined the concordance between genetic divergence between biogeographic regions and the biogeographic transition zone at 30°S.