一些海洋发光细菌超微结构的电镜观察
ELECTRON MICROSCOPICAL OBSERVATION ON THE ULTRASTRUCTURE OF SOME MARINE LUMINOUS BACTERIA
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摘要: 本文应用电子显微镜技术观察了从东海(北纬26°30'-30°00',东经124°-129°)海水和海底泥中分离到的8株发光细菌和一株衰失发光性能菌株[#7032(-)]的菌体形态、鞭毛和细胞内部超微结构,结果表明#7032、#7032(-)、#1025菌体有一根粗的端生鞭毛、大量的周生鞭毛和微细的丛生鞭毛.#7032和#7032(-)菌外部形态、鞭毛结构相似,在磷钨酸负染色中鞭毛可显示鞘和核心结构,鞘可呈环饼状或成段脱落.Abstract: Eight strains of marine luminous bacteria were isolatad from the sea water and the sea floor of the East China Sea(E.124°-129°,N.26°30'-30°00').These strains together with a subculture that lost the luminesecence (7032-)were examinedwith electron microscopy.The bacteria of strains 7032,7032- and 1025 all possessed polar flagella,tuft flagella and peritrichous flagella.Strain 7032-was simillar to 7032 in cellular and flagella fine structure.In preparations negatively stained with phosphotungstic acid the flagella could sometimes be seen to be differentiated into a core and a sheath.Sometime the sheath was disincegratad,while the central core remained intact.A network structure of flagella subunits could be seen in strain 128.The bacteria of all other strains possessed polar or peritrichous flagella.
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