病毒感染对寄主植物小孢子发生的不稳定影响

Larisa Andronic, Fiziologie si Protectie a Plantelor Republica Moldova Institutul de Genetica
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引用次数: 0

摘要

在番茄和大麦的敏感基因型中描述的致病性反应包括减数分裂过程的具体变化,并对受感染植物的后代产生影响。子代花粉母细胞畸变率与对照植株相当,而每花粉母细胞畸变率和减数分裂偶联频率显著高于对照植株。无病毒后代减数分裂的后果反映了病毒感染对小孢子发生过程的不稳定的跨代效应。
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Impactul destabilizator al infecțiilor virale asupra microsporogenezei la plantele gazdă
The pathogenicity reactions described in the sensitive genotypes of tomatoes and barley include specifically changes in the processes of meiotic division, with repercussions in the offspring of infected plants. The percentage of aberrant pollen mother cells (PMCs) in the offspring is at the level of control plants, while the percentage of aberrations per PMC and the frequency of meiotic conjugation are significantly higher. The consequences in meiotic division in virus free progenies reflect the destabilizing transgenerational effect of viral infection on microsporogenesis processes.
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