スフィンゴピクシス属

スフィンゴピクシス属（Sphingopyxis）は真正細菌プロテオバクテリア門アルファプロテオバクテリア綱スフィンゴモナス目スフィンゴモナス科の属の一つである。 グラム陽性の非胞子形成桿菌であり、細胞の大きさは0.3～0.5×0.9μmである。運動性と非運動性、並びにカタラーゼ陽性と陰性のどちらも存在する。 コロニーは黄色または白褐色である。偏性好気性且つ従属有機栄養性である。硝酸塩を利用しない。 主要なユビキノンはQ-10である。主要な脂肪酸は18:1、飽和脂肪酸16:0及び16:1である。主要な2-ヒドロキシ脂肪酸は、2-OH 14:0、2-OH 15:0、または 2-OH 16:0である。 GSLが存在する。スペルミジンが主要なポリアミン成分である。特徴的な16S rRNAシグネイチャー配列は、52:359 (C:G)、134 (G)、593 (U)、987:1218 (G:C)及び990:1215 (U:G)である。土壌や地下水に生息する。DNAのGC含量は63.3–66.4 mol%である。 [脚注の使い方] ^ a b c d M Takeuchi, K Hamana and A Hiraishi (01 July 2001). “Proposal of the genus Sphingomonas sensu stricto and three new genera, Sphingobium, Novosphingobium and Sphingopyxis, on the basis of phylogenetic and chemotaxonomic analyses”. International Journal of Systematic and Evolutionary Microbiology 51 (4): 1405-17. doi:10.1099/00207713-51-4-1405. PMID 11491340.  ^ M. Takeuchi, F. Kawai, Y. Shimada, A. Yokota (July 1993). “Taxonomic Study of Polyethylene Glycol-Utilizing Bacteria: Emended Description of the Genus Sphingomonas and New Descriptions of Sphingomonas macrogoltabidus sp. nov., Sphingomonas sanguis sp. nov. and Sphingomonas terrae sp. nov.”. Systematic and Applied Microbiology 16 (2): 227-238. doi:10.1016/S0723-2020(11)80473-X.  ^ “Notification that new names and new combinations have appeared in volume 51, part 4, of the IJSEM”. International Journal of Systematic and Evolutionary Microbiology 51 (5). (01 September 2001). doi:10.1099/00207713-51-5-1621.  ^ M Vancanneyt, F Schut, C Snauwaert, J Goris, J Swings and J C Gottschal (01 January 2001). “Sphingomonas alaskensis sp. nov., a dominant bacterium from a marine oligotrophic environment”. International Journal of Systematic and Evolutionary Microbiology 51 (1): 73-79. doi:10.1099/00207713-51-1-73. PMID 11211276.  ^ a b F. Godoy, M. Vancanneyt, M. Martínez, A. Steinbüchel, J. Swings and B. H. A. Rehm (01 March 2003). “Sphingopyxis chilensis sp. nov., a chlorophenol-degrading bacterium that accumulates polyhydroxyalkanoate, and transfer of Sphingomonas alaskensis to Sphingopyxis alaskensis comb. nov.”. International Journal of Systematic and Evolutionary Microbiology 53 (2): 473-477. doi:10.1099/ijs.0.02375-0. PMID 12710615.  ^ a b “Notification that new names and new combinations have appeared in volume 53, part 2, of the IJSEM”. International Journal of Systematic and Evolutionary Microbiology 53 (4): 939-940. (01 July 2003). doi:10.1099/ijs.0.02848-0.  ^ De-Chao Zhang, Hong-Can Liu, Yu-Hua Xin, Yu-Guang Zhou, Franz Schinner and Rosa Margesin (01 November 2010). “Sphingopyxis bauzanensis sp. nov., a psychrophilic bacterium isolated from soil”. International Journal of Systematic and Evolutionary Microbiology 60 (11): 2618-2622. doi:10.1099/ijs.0.018218-0. PMID 20023054.  ^ “Notification that new names and new combinations have appeared in volume 60, part 11, of the IJSEM”. International Journal of Systematic and Evolutionary Microbiology 61 (2): 221-222. (01 February 2011). doi:10.1099/ijs.0.030940-0.  ^ Helianthous Verma, Pooja Rani, Amit Kumar Singh, Roshan Kumar, Vatsala Dwivedi, Vivek Negi1 and Rup Lal (01 October 2015). “Sphingopyxis flava sp. nov., isolated from a hexachlorocyclohexane (HCH)-contaminated soil”. International Journal of Systematic and Evolutionary Microbiology 65 (Pt_10): 3720-3726. doi:10.1099/ijsem.0.000482. PMID 26219279.  ^ Aharon Oren and George M. Garrity (01 January 2016). “Notification that new names of prokaryotes, new combinations and new taxonomic opinions have appeared in volume 65, part 10, of the IJSEM”. International Journal of Systematic and Evolutionary Microbiology 66 (1): 4-6. doi:10.1099/ijsem.0.000745.  ^ Michel Oelschlägel, Christian Rückert, Jörn Kalinowski, Gert Schmidt, Michael Schlömann and Dirk Tischler (01 September 2015). “Sphingopyxis fribergensis sp. nov., a soil bacterium with the ability to degrade styrene and phenylacetic acid”. International Journal of Systematic and Evolutionary Microbiology 65 (Pt_9): 3008-3015. doi:10.1099/ijs.0.000371. PMID 26040579.  ^ Aharon Oren and George M. Garrity (01 December 2015). “Notification that novel names of prokaryotes, novel combinations, and new taxonomic opinions have appeared in volume 65, part 9, of the IJSEM”. International Journal of Systematic and Evolutionary Microbiology 65 (Pt_12): 4294-4296. doi:10.1099/ijsem.0.000701.  ^ Myungjin Lee, Leonid N. Ten, Hae-Won Lee, Hyun Woo Oh, Wan-Taek Im and Sung-Taik Lee (01 October 2008). “Sphingopyxis ginsengisoli sp. nov., isolated from soil of a ginseng field in South Korea”. International Journal of Systematic and Evolutionary Microbiology 58 (10): 2342-7. doi:10.1099/ijs.0.64431-0. PMID 18842853.  ^ “Notification that new names and new combinations have appeared in volume 58, part 10, of the IJSEM”. International Journal of Systematic and Evolutionary Microbiology 59 (1): 3-4. (01 January 2009). doi:10.1099/ijs.0.010686-0.  ^ Parker, Charles Thomas; Wigley, Sarah; Garrity, George M (2009). “Nomenclature Abstract for Sphingopyxis Takeuchi et al. 2001 emend. Baik et al. 2013.” (英語). The NamesforLife Abstracts. doi:10.1601/nm.1238.  ^ Keun Sik Baik, Han Na Choe, Seong Chan Park, Yeoung Min Hwang, Eun Mi Kim, Chul Park and Chi Nam Seong (01 April 2013). “Sphingopyxis rigui sp. nov. and Sphingopyxis wooponensis sp. nov., isolated from wetland freshwater, and emended description of the genus Sphingopyxis”. International Journal of Systematic and Evolutionary Microbiology 63 (Pt_4): 1297-1303. doi:10.1099/ijs.0.044057-0.  ^ Hördt, Anton; López, Marina García; Meier-Kolthoff, Jan P.; Schleuning, Marcel; Weinhold, Lisa-Maria; Tindall, Brian J.; Gronow, Sabine; Kyrpides, Nikos C. et al. (7 April 2020). “Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria”. Frontiers in Microbiology 11: 468. doi:10.3389/fmicb.2020.00468. PMC 7179689. PMID 32373076. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7179689/.