The three-dimensional structure of the basal body from the rhesus monkey oviduct.

The three-dimensional structure of the basal body from the rhesus monkey oviduct.
复制标题

DOI:
10.1083/jcb.54.2.246
复制
发表时间:
1972-08
影响因子:
7.8
通讯作者:
Anderson, R G
Anderson, R G
中科院分区:
生物学1区
文献类型:
--
作者:
Anderson, R G

文献摘要

被引文献

相似文献

利用连续切片、斜切面和切面重建了输卵管基体的结构,并利用这些信息建立了输卵管细胞器的三维模型。输卵管管壁由9个等间距排列的小管组成,每3个小管从基部到顶端,与纵轴成10° ~ 15 °角向左倾斜。在其基端处设置的每个三联体的横轴以40°角(三联体角)与基体的内腔圆周的切线相交。当三联体组从基部到顶端横向时,它在内A小管的纵轴上朝向管腔扭转;因此,在基体-纤毛连接处三联体角为10°。纤维材料的链从每个三联体的基端延伸以形成条纹状小根。金字塔形的基足从基体的中部区域以直角突出。在顶点,一个175 mµ长的梯形片连接到每个三重组。两个平行边中较小的一个连接到所有三个小管,而纵向边缘(等距反平行边之一)连接到C小管。片层逆时针方向(从顶部到底部),从底部到顶部逐渐展开;外角与细胞膜合并。
The structure of the oviduct basal body has been reconstructed from serial, oblique, and tangential sections This composite information has been used to construct a three-dimensional scale model of the organelle The walls are composed of nine equally spaced sets of three tubules, which run from base to apex pitched to the left at a 10°–15° angle to the longitudinal axis. The transverse axis of each triplet set at its basal end intersects a tangent to the lumenal circumference of the basal body at a 40° angle (triplet angle). As the triplet set transverses from base to apex, it twists toward the lumen on the longitudinal axis of the inner A tubule; therefore, the triplet angle is 10° at the basal body-cilium junction. Strands of fibrous material extend from the basal end of each triplet to form a striated rootlet. A pyramidal basal foot projects at right angles from the midregion of the basal body. In the apex, a 175 mµ long trapezoidal sheet is attached to each triplet set. The smaller of the two parallel sides is attached to all three tubules while the longitudinal edge (one of the equidistant anti-parallel sides) is attached to the C tubule. The sheet faces counterclockwise (apex to base view) and gradually unfolds from base to apex; the outside corner merges with the cell membrane.