Subsurface metagenomes uncover a vast repertoire of hypervariable proteins encoded by genetic elements in uncultivated organisms and viruses

Blair G Paul1,2, David Burstein3, Cindy J Castelle3, Jillian F Banfield3, David L Valentine4, Jeff F Miller5, Partho Ghosh6, Sumit Handa6, Diego Arambula7, Elizabeth Czornyj7 and Brian Thomas8, (1)University of California Santa Barbara, Santa Barbara, CA, United States, (2)Center for Dark Energy Biosphere Investigations, Los Angeles, CA, United States, (3)University of California Berkeley, Berkeley, CA, United States, (4)University of California Santa Barbara, Earth Science Department, Santa Barbara, United States, (5)University of California Los Angeles, Los Angeles, United States, (6)University of California San Diego, La Jolla, CA, United States, (7)University of California Los Angeles, Los Angeles, CA, United States, (8)University of California, Berkeley, Berkeley, CA, United States