SAMN07767208 CECT 8987 Microbe sample from Candidatus Marinarcus aquaticus Candidatus Marinarcus aquaticus Universitat Rovira i Virgili Maria Jose Figueras Microbe, viral or environmental Microbe.1.0 CECT 8987 water 2013 Spain Whole organism reference material of Candidatus Marinarcus aquaticus 412344