| 单词 | purple bacterium |
| 释义 | > as lemmaspurple bacterium purple bacterium n. [after German Purpurbacterium (T. W. Engelmann 1888, in Bot. Zeitung 46 663)] Microbiology any of various bacteria of the suborder Rhodospirillineae and allied groups, which contain a purple photoactive pigment. ΘΚΠ the world > life > biology > organism > micro-organism > bacterium > [noun] > types of vibrio1850 micrococcus1870 microzyme1870 Spirillum1875 mycothrix1876 leptothrix1877 Spirochaete1877 streptococcus1877 Actinomyces1879 frogspawn1880 schizophyte1880 schizomycetes1881 gonococcus1882 saprophile1882 vibrion1882 coccus1883 diplococcus1883 streptobacteria1883 Clostridium1884 actinomycetes1885 pneumococcus1885 macrococcus1887 staphylococcus1887 iron bacterium1888 Proteus1888 ferrobacterium1890 meningococcus1890 rhizobium1890 sulphobacteria1890 nitrobacterium1891 Streptothrix1891 sulphur bacterium1891 myxobacter1892 Myxococcus1892 tetracoccus1893 coli1894 Pasteurella1895 pyrotoxin1895 Gaertner1897 purple bacterium1897 myxobacterium1898 pseudomonas1899 thiobacteria1900 treponema1908 corynebacterium1909 mycobacterium1909 Salmonella1913 Neisseria1915 botulinum1916 rickettsia1916 leptospira1918 acetobacter1920 Brucella1920 pseudomonad1921 strep1927 enterobacterium1929 opportunist1937 eubacterium1939 agrobacterium1942 persister1944 Moraxella1948 enteric1956 streptomycete1956 leptospire1957 transformant1957 lysogen1958 listeria1961 C. difficile1962 yersinia1967 Campylobacter1971 cyanobacterium1973 coryneform1976 eubacterium1977 legionella1979 acetogen1982 C. diff.1990 acidophilous1996 1897 Bot. Gaz. 24 447 He [sc. Engelmann]..shows that the purple bacteria..have photosynthetic powers, although this property is not marked. 1912 W. H. Lang tr. Strasburger's Text-bk. Bot. (ed. 4) ii. i. 337 The Purple Bacteria, which develop in water with decomposing organic matter in the absence of oxygen and the presence of light, contain..a green and a red pigment. 1994 Nature 14 July 104/1 Scotophobic behaviour is typical of motile purple bacteria, is independent of the direction of illumination, and does not occur if the light intensity is reduced only gradually. < as lemmas |
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