| Zhang Chengwu,Hu Hongjun. 2002. Taxonomy and ultrastructure of five species of Tetraselmis (Prasinophyceae) isolated from China seas. Acta Oceanologica Sinica, (4):557－579 |
| Taxonomy and ultrastructure of five species of Tetraselmis (Prasinophyceae) isolated from China seas |
| Taxonomy and ultrastructure of five species of Tetraselmis (Prasinophyceae) isolated from China seas |
| Received:May 20, 2002 Revised:September 10, 2002 |
| DOI： |
| Key words:Taxonomy ultrastructure Tetraselmis pyrenoid |
| 中文关键词: Taxonomy ultrastructure Tetraselmis pyrenoid |
| 基金项目: |
| Author Name | Affiliation | | Zhang Chengwu | The Key Laboratory of Molecular Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210097, China
Wuhan Institute of Botany, Chinese Academy of Sciences, Wuhan 430074, China | | Hu Hongjun | Wuhan Institute of Botany, Chinese Academy of Sciences, Wuhan 430074, China |
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| Abstract: |
| Comparative ultrastructural investigations on twenty-three isolates of Tetraselmis from the South China Sea, East China Sea and Huanghai Sea, have revealed that these isolates belong to:(1) Tetraselmis chui Butcher; (2) T. cordiformis (H. J. Carter) Stein; (3) T. helgolandica Kylin; (4) T. suecica (Kylin) Butcher; (5) T. guangdongensis sp. nov. Except T. helgolandica,the others are new records in China. T. guangdongensis sp. nov. is a new species. Its external and anatomical features closely resemble those of T. impellucida McLachlan et Parke. As in that species the pyrenoid is penetrated from many directions by cytoplasmic channels delimited by a double membrane.The protoplast withdraws from the apical portion of the theca, that portion which overlaid the trough inverts and pops out in the form of a teat. But unlike that species a starch sheath is present; pyrenoid matrix is surrounded by thylakoids which intervenes between the matrix and the starch sheath surrounding pyrenoid; the theca is stratified. |
| 中文摘要: |
| Comparative ultrastructural investigations on twenty-three isolates of Tetraselmis from the South China Sea, East China Sea and Huanghai Sea, have revealed that these isolates belong to:(1) Tetraselmis chui Butcher; (2) T. cordiformis (H. J. Carter) Stein; (3) T. helgolandica Kylin; (4) T. suecica (Kylin) Butcher; (5) T. guangdongensis sp. nov. Except T. helgolandica,the others are new records in China. T. guangdongensis sp. nov. is a new species. Its external and anatomical features closely resemble those of T. impellucida McLachlan et Parke. As in that species the pyrenoid is penetrated from many directions by cytoplasmic channels delimited by a double membrane.The protoplast withdraws from the apical portion of the theca, that portion which overlaid the trough inverts and pops out in the form of a teat. But unlike that species a starch sheath is present; pyrenoid matrix is surrounded by thylakoids which intervenes between the matrix and the starch sheath surrounding pyrenoid; the theca is stratified. |
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