Analysis of meiotic chromosome aberrations in Siberian spruce (Picea obovata Ledeb.) under conditions of natural and technogenic stress

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• 作者：N. A. Kalashnik (1) kalash.ufa@mail.ru
  S. M. Yasovieva (1) cyto.ufa@mail.ru
• 关键词：Siberian spruce – ; chromosome aberrations – ; meiosis – ; industrial pollution – ; extreme natural conditions – ; Southern Urals
• 刊名：Russian Journal of Ecology
• 出版年：2012
• 出版时间：November 2012
• 年：2012
• 卷：43
• 期：6
• 页码：440-447
• 全文大小：3.5 MB
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• 作者单位：1. Botanical Garden-Institute, Ufa Scientific Center, Russian Academy of Sciences, ul. Mendeleeva 195-3, 450080 Ufa, Russia
• ISSN：1608-3334

文摘

Meiotic abnormalities have been studied in Siberian spruce growing in the Southern Urals under different ecological conditions: in contrasting natural landscapes (high mountains, plains, river valleys and floodplains), in zones of natural geochemical anomalies, and in areas with different levels of industrial pollution. The results provide evidence for an adverse effect of technogenic pollution and extreme environmental factors on the process of microsporogenesis in the species studied.