THE TAXONOMY AND ULTRASTRUCTURE OF CHRYSOCHROMULINA SIMPLEX (PRYMNESIOPHYCEAE)

THE TAXONOMY AND ULTRASTRUCTURE OF CHRYSOCHROMULINA SIMPLEX (PRYMNESIOPHYCEAE)
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DOI:
10.2216/i0031-8884-34-2-145.1
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发表时间:
1995-03-01
期刊:
影响因子:
1.6
通讯作者:
PIENAAR, RN
PIENAAR, RN
中科院分区:
生物学3区
文献类型:
--
作者:
BIRKHEAD, M;PIENAAR, RN

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根据南印度洋无性系培养,对纯种金蝇(Chrysochromulina simplex Estep el al., Prymnesiophyceae)的类型描述进行了修正。细胞具有单一的鳞片类型(直径0.3-0.58 μ m),远端表面有微弱的同心标记,近端表面有21-36个辐射脊,具有偏心交叉。长,a,盘绕haptonema(最大。79 μ m),两个异动鞭毛(11 ~ 16 μ m)插在鞍状细胞的凹面上。鞭毛装置由四个微管根(R1为6+4,单链R2,分叉R3为2/2+1,单链R4)和各种纤维连接物(延伸至R1和R2的远端带,近端带,三个附属带)组成。鞭毛器的超微结构与C. apheles Moestrup Thomsen和C. acantha Leadbeater et Manton具有相同的特征,并进行了属内和属间比较。
The type description of Chrysochromulina simplex Estep el al. (Prymnesiophyceae) is emended, based on clonal cultures from the southern Indian Ocean. Cells possess a single scale type (0.3-0.58 mu m in diameter) with faint concentric markings on the distal face and 21-36 radiating ridges with an excentric cross on the proximal face. The lon,a, coiling haptonema (max. 79 mu m) and the two heterodynamic flagella (11-16 mu m) are inserted on the concave face of the saddle-shaped cells. The flagellar apparatus consists of four microtubular roots (R1 of 6+4, a single-stranded R2, a bifurcated R3 of 2/2+1, a single-stranded R4) and various fibrous connectives (distal band with extensions to the R1 and over the R2, a proximal band, three accessory bands). The ultrastructure of the flagellar apparatus shares features with both C. apheles Moestrup Thomsen and C. acantha Leadbeater et Manton, and intra- and intergeneric comparisons are made.