Computer Science and Engineering, Michigan State Univerisity, 428 South Shaw Rd East Lansing, MI 48824, USA and Center for Microbial Ecology, Michigan State University, East Lansing, MI 48824, USA.|Computer Science and Engineering, Michigan State Univerisity, 428 South Shaw Rd East Lansing, MI 48824, USA and Center for Microbial Ecology, Michigan State University, East Lansing, MI 48824, USA.|Computer Science and Engineering, Michigan State Univerisity, 428 South Shaw Rd East Lansing, MI 48824, USA and Center for Microbial Ecology, Michigan State University, East Lansing, MI 48824, USA.|Computer Science and Engineering, Michigan State Univerisity, 428 South Shaw Rd East Lansing, MI 48824, USA and Center for Microbial Ecology, Michigan State University, East Lansing, MI 48824, USA.