The mastigont system of Trichomonas gallinae (Rivolta) as revealed by electron microscopy.
The mastigont system of Trichomonas gallinae (Rivolta) as revealed by electron microscopy.
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电子显微镜显示的鸡毛滴虫（Rivolta）的鞭毛系统。
DOI：
10.1111/j.1550-7408.1967.tb02004.x
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发表时间：
1967
期刊：
影响因子：
--
通讯作者：
W. A. Daniel
中科院分区：
文献类型：
--
作者：
C. F. Mattern;B. Honigberg;W. A. Daniel
提要。用电子显微镜观察了鸡毛滴虫的精细结构，并与以前的光学显微镜观察结果进行了对比。从这两种检查中得出的鞭毛虫的复合图被呈现出来。电子显微照片详细记录了不同乳房器之间的关系。
已确定骨盆的范围及其与轴突小头的连接。
已描述了四种类型的动体小根。一种是由运动小体#1、#2和#3的9个三联体微管中的每一个都辐射出的表面“细丝”组成。第二种类型的小根结构是由从运动小体#1和#3顺时针出现的单个逗号状细丝表示的。来自动小体#1的细丝具有类似于它所连接的边缘薄层的周期结构。第三种类型的根状突起自动体#2，由约9根细丝组成，这些细丝横穿乙字形突起，终止于靠近骨盆-轴花柱连接处的骨盆微管的内表面。第四组结构由视锥细丝和副基丝组成。这些结构具有相似维度的主要周期，但具有容易区分的重复单元。COSTA似乎起源于复发性鞭毛的动体，但它的起源也与副基丝2相邻，副基丝2与动小体#2和#3有一定的连续性。而副基丝1仅起源于动小体#2或其附近。
偶尔观察到科斯塔和副基底丝在很大一部分长度上并列在一起，这导致了副基底丝可能在科斯塔的发展中发挥作用的说法。
在轴花柱旁、柄旁颗粒及其附近的细胞质中观察到周期性的丝状结构。讨论了它们在轴型发育和COSTA形成中的可能作用。
根据光镜和电子显微镜揭示的与各种滴虫种类结构有关的现有信息，对结果进行了讨论。
SYNOPSIS. The fine structure of Trichomonas gallinae has been examined by electron microscopy and correlated with previous light microscope observations. A composite diagram of the flagellate, derived from both types of examination, is presented. Details of relationships of various mastigont organelles are documented by electron micrographs.
The extent of the pelta and its connection to the capitulum of the axostyle have been determined.
Four types of kinetosome rootlets have been described. One consists of superficial “filaments” radiating from each of the 9 triplet microtubules of kinetosomes #1, #2 and #3. A 2nd type of rootlet structure is represented by single comma-shaped filaments emerging clockwise from kinetosomes #1 and #3. The filament from kinetosome #1 has a periodic structure similar to that of the marginal lamella with which it is believed to connect. A 3rd type of rootlet emerges from kinetosome #2 as a sheet of about 9 filaments which traverse a sigmoid course and terminate on the inner surface of the microtubules of the pelta near the peltar-axostylar junction. The 4th set of structures consists of the costa and parabasal filaments. These structures have major periodicities of similar dimension but have readily differentiable repeating units. The costa appears to originate at the kinetosome of the recurrent flagellum, but its origin is also contiguous with that of parabasal filament 2 which has some continuity with kinetosomes #2 and #3. Parabasal filament 1, on the other hand, arises solely from or near kinetosome #2.
Occasional observations of a costa and a parabasal filament in juxtaposition over a great part of their length has led to the suggestion that the parabasal filament may play a role in the development of the costa.
Periodic and filamentous structures have been observed in paraxostylar and paracostal granules and in nearby cytoplasm. Their possible role in providing substance for the developing axostyle and the costa is discussed.
The results are discussed in the light of available information pertaining to structure of various trichomonad species as revealed by light and electron microscopy.