A Yellow Marine Chlamydomonas : Morphology and Pigment Composition : STRUCTURE AND FUNCTION OF CELLS : NATURAL PRODUCTS

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概要

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• A unicellular yellow marine microorganism was isolated from water samples collected in Hachinohe Harbor, on the northern coast of Japan, and Off Tsushima Island, on the western coast of Japan, and its structure and pigment composition were investigated. Light and electron microscopy indicated that the alga belongs to the genus Chlamydomonas and it is identified as C. parkeae. Pigment analysis by high-performance liquid chromatography revealed the presence of 2,4-divinylprotochlorophyllide (DVP) as a third chlorophyll in addition to chlorophylls a and b. Such a pigment composition has been reported previously only for some prasinophytes among autotrophically grown algae. With respect to carotenoids, the alga contains, in addition to the carotenoids of higher plants (neoxanthin, violaxanthin, zeaxanthin, lutein, β-carotene), siphonaxanthin and siphonein (siphonaxanthin dodecenoate); the latter have been detected previously only in marine benthic ulvophycean algae and in some prasinophytes. However, the coexistence of DVP, siphonein and siphonaxanthin in a single species has never been reported for either ulvophycean or prasinophycean algae. In addition to siphonaxanthin dodecenoate, the alga was found to contain two "siphoneins" , siphonaxanthin decenate and siphonaxanthin octanoate.

• 日本植物生理学会の論文

著者

• WATANABE MAKOTO

  National Institute for Environmental Studies

• Suda Shoichiro

  National Institute For Environmental Studies

• Watanabe M

  Yamanashi Inst. Environmental Sci. Yamanashi Jpn

• Takaichi Shinichi

  Biological Laboratory, Nippon Medical School

• Takaichi Shinichi

  Biological Lab. Nippon Medical School

• Sasa T

  National Institute For Environmental Studies

• Takaichi S

  Nippon Medical School Kawasaki Jpn

• Sasa Tsutomu

  National Institute for Environmental Studies

• Takaichi Shinichi

  Nippon Medical School Kawasaki Jpn

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• Preface

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