条锈病感染大麦 PMC 染色体损伤的说明

IF 2.1 4区 生物学 Q2 Agricultural and Biological Sciences
Vivek Singh
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引用次数: 0

摘要

为了分析病原条件引起的染色体损伤,我们研究了自然轻度真菌感染对大麦花粉母细胞(PMCs)减数分裂的影响。观察到的模式与常见的诱变剂类似,都是有丝分裂指数和绒毛频率降低,以及产生各种畸变,表明染色体受损。最常见的畸变是不定向和其他与纺锤体有关的畸变,以及染色体粘连和结块。与对照植物相比,该病导致花粉活力下降。为了得出这两种情况的共同点,我们将结果与高剂量的已知诱变剂(即伽马射线)进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An account of chromosomal damage in PMCs of stripe rust infected barley
A study, on the effects of natural mild fungal infection on meiosis of Barley Pollen Mother Cells (PMCs), was done in order to analyze the chromosomal damage elicited by the pathogenic conditions. A pattern similar to common mutagens, of reduction in mitotic index and chiasma frequency, as well as, production of various aberrations that demonstrate chromosomal damage, was observed. The most common abnormalities were un-orientation and other spindle related aberrations, as well as stickiness and clumping of chromosomes. The disease induced a reduction in pollen viability as compared to the control plants. The results were compared with those of a high dose of a known mutagen ie gamma rays in order to draw commonalities between the two conditions.
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来源期刊
Caryologia
Caryologia 生物-遗传学
CiteScore
1.60
自引率
23.80%
发文量
26
审稿时长
12 months
期刊介绍: Caryologia is devoted to the publication of original papers, and occasionally of reviews, about plant, animal and human karyological, cytological, cytogenetic, embryological and ultrastructural studies. Articles about the structure, the organization and the biological events relating to DNA and chromatin organization in eukaryotic cells are considered. Caryologia has a strong tradition in plant and animal cytosystematics and in cytotoxicology. Bioinformatics articles may be considered, but only if they have an emphasis on the relationship between the nucleus and cytoplasm and/or the structural organization of the eukaryotic cell.
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