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利用电子显微镜对植物寄生线虫大豆胞囊线虫进行核型分析。1. 二倍体。

Karyotype analysis of the plant-parasitic nematode Heterodera glycines by electron microscopy. 1. The diploid.

作者信息

Goldstein P, Triantaphyllou A C

出版信息

J Cell Sci. 1979 Dec;40:171-9. doi: 10.1242/jcs.40.1.171.

DOI:10.1242/jcs.40.1.171
PMID:536384
Abstract

Heterodera glycines is a diploid amphimictic nematode with n = 9 chromosomes. Nine normal synaptonemal complexes (SC) were detected following 3-dimensional reconstruction of pachytene nuclei from electron microscopy of serial sections. Regions of unique 'modified synaptonemal complexes' (MSC) were observed along 2 SCs. These consist of a heterochromatic knob within which the SC appears either disorganized or stacked in layers of lateral elements. Its function is not known. Recombination nodules and 'cylindrical granular complexes', were not observed in H. glycines.

摘要

大豆胞囊线虫是一种二倍体两性生殖线虫，n = 9条染色体。通过对连续切片的电子显微镜观察，对粗线期细胞核进行三维重建后，检测到9个正常的联会复合体（SC）。在2个SC上观察到独特的“修饰联会复合体”（MSC）区域。这些区域由一个异染色质结组成，在这个结内，SC似乎是无序的或堆叠成横向元件层。其功能尚不清楚。在大豆胞囊线虫中未观察到重组节和“圆柱形颗粒复合体”。

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3
The synaptonemal complexes of Caenorhabditis elegans: pachytene karyotype analysis of male and hermaphrodite wild-type and him mutants.
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