光合细菌的叶绿素

Arne Jensen, Olav Aasmundrud , Kjell E. Eimhjellen
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引用次数: 84

摘要

1.1. 利用纸层析和可见光吸收光谱对18种光合细菌的叶绿素和相应的褐藻进行了表征。除1种Rhodopseudomonas含有细菌叶绿素b外,调查的所有Thiorhodaceae(4种)和thiiorhodaceae(9种)以及Rhodomicrobium vannielii均以细菌叶绿素a作为唯一可检测的叶绿素。发现绿杆菌科(4个菌株或种)的叶绿素-770在光谱和色谱上与细菌叶绿素a.4.4相同。利用纸层析法将叶绿素-650和-660分别分离成3个组分。在叶绿素-650的情况下,两个部分各产生一种褐藻素,而最后一个部分产生三种褐藻素。5.所有褐藻具有相同的吸收光谱,但在纸层析上表现出不同的rf值。除了上面提到的叶绿素,所有的绿杆菌科物种都含有微量的迄今未被描述的叶绿素色素。对目前细菌叶绿素的命名法进行了修订。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Chlorophylls of photosynthetic bacteria

  • 1.

    1. The chlorophylls and the corresponding phaeophytins of 18 species of photosynthetic bacteria have been characterized by paper chromatography and by absorption spectra in visible light.

  • 2.

    2. Except for one species of Rhodopseudomonas which contained bacteriochlorophyll b, all the Thiorhodaceae (four) and the Athiorhodaceae (nine) species investigated as well as Rhodomicrobium vannielii had bacteriochlorophyll a as the only detectable chlorophyll.

  • 3.

    3. The chlorophyll-770 of Chlorobacteriaceae (four strains or species) was found to be spectroscopically and chromatographically identical with bacteriochlorophyll a.

  • 4.

    4. The chlorobium chlorophylls-650 and -660 were each separated by paper chromatography into three fractions. In the case of chlorobium chlorophyll-650 two of the fractions each gave rise to one phaeophytin, whereas the last fraction gave three phaeophytins. All phaeophytins had identical absorption spectra, but exhibited different RF-values on paper chromatograms.

  • 5.

    5. In addition to the chlorophylls mentioned above, all the species of the Chlorobacteriaceae contained trace amounts of a hitherto undescribed chlorophyllous pigment.

  • 6.

    6. A revision of the current nomenclature for bacterial chlorophyll is proposed.

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