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Two culture collection strains, CCM 168 and CCM 1405, previously assigned to the genus Micrococcus were shown by molecular chemical characterization to belong to the genus Salinicoccus. A more detailed comparison of the physiological and biochemical properties of these strains and comparison with the type strain of Salinicoccus roseus indicated high degrees of relatedness among the three strains. DNA-DNA hybridization studies confirmed the high degrees of relatedness. All of the data demonstrate quite clearly that strains CCM 168 and CCM 1405 are members of the species S. roseus.

Summary Chemotaxonomic studies of the newly described species Marinococcus hispanicus demonstrate unambiguously that this organism should be transferred to the genus Salinicoccus . In addition nucleic acids hybridization studies support the placement of the type strain of the genus, Salinicoccus roseus , and Marinococcus hispanicus in two different species. It is proposed that Marinococcus hispanicus should be transferred to the genus Salinicoccus , as Salinicoccus hispanicus comb. nov.

Summary A new moderately halophilic Gram-positive coccus isolated from a solar saltern located in Alicante (Spain) is described. The organism required media with NaCl concentrations between 0.9 and 25% (w/v), with the optimum at 10% (w/v) NaCl. It was non-motile, non-sporing, oxidase and catalase positive. The GC content of its DNA was 51.2 mol%. The murein was of the L-Lys-Gly 5 type. The organism is different from previously described cocci. The name Salinicoccus roseus gen. nov., sp. nov. is proposed. The type strain is strain no. 9 which has been deposited as ATCC 49258, DSM 5351, and CCM 3516.