Studies with Deoxyribonucleic Acid from Blue-Green Algae
نویسندگان
چکیده
منابع مشابه
Electron Microscope Studies on Blue-green Algae
Several species of blue-green algae were studied in thin sections with the electron microscope. Our electron micrographs confirm the view that the cell of blue-green algae is different and simpler in organization than the typical plant or animal cell. On the other hand, the general pattern of ultrastructure is the same as that found in bacteria and Streptomyces. The cell boundary is formed by a...
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The presence of a remarkably high concentration of pteridiineS in the blue green alga, Anacystis nidulanis 5, wvas demonstrated by Forrest, van Baalen, and Myers in 1957 (2). A number of (lifferent pteridines were then isolated and ideentifie(l. These included 2-amino-4-hydroxypteridine, 2,6-diamino-4-hydroxypteridline (10), a yellow pteridine assigned the structure 2-aimino-4-hydroxv-6-propion...
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The low rate of endogenous respiration exhibited by the blue-green algae Anacystis nidulans and Phormidium luridum was not increased by the addition of respiratory substrates. However, endogenous respiration was inhibited by low concentrations of cyanide and by high carbon monoxide tensions. In addition, the uncouplers dinitrophenol and carbonyl cyanide p-trifluoromethoxyphenylhydrazone both st...
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Two freshwater blue-green algae, Tolypothrix tenuis and Fremyella diplosiphon, and an oscillatorialike marine alga, were found to possess structures on the photosynthetic lamellae which appear to correspond to the phycobilisomes of red algae. These homologous structures are important because they contain the phycobilins which are accessory pigments involved in photosynthesis. As in the red alga...
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photosynthetic systems. I t seems as if the blue-green bacteria are a key intermediate in the development of photosynthesis and also in the development of the 2Fe ferredoxins, possibly from ferredoxins containing a 4Fe4S centre. This last point is also interesting in that it has now been shown that the 2Fe-2s centre is formally derivable from the 4Fe4 s centre in analogue compounds that have be...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1972
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.49.3.331