The effect of temperature on the size of bacteroids in nodules of Glycine max and Glycine soja plants inoculated with the Bradyrhizobium liaoningense strain RCAM 04656

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It is known that Glycine max and G. soja, entering into symbiotic relations with different rhizobia species, form nodules of determinate type. In such nodules, bacteroids are low differentiated and only slightly differ from free-living bacteria. Recently, it has been shown that in G. soja nodules when inoculated with Bradyrhizobium liaoningense strain RCAM04656, bacteroids were significantly larger than free-living bacteria. In this study, decreased temperature (21°C) was found to increase variation in the length of bacteroids in both G. max and G. soja nodules, with individual bacteroids increasing in size more than 15-fold over bacteria. At the optimal temperature (28°/24°C), the size of bacteroids varied to a lesser extent.

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作者简介

V. Pertsev

St. Petersburg State University; All-Russia Research Institute for Agricultural Microbiology

Email: vetsyganov@arriam.ru
俄罗斯联邦, St. Petersburg, 199034; St. Petersburg, 196608

A. Kitaeva

All-Russia Research Institute for Agricultural Microbiology

Email: vetsyganov@arriam.ru
俄罗斯联邦, St. Petersburg, 196608

V. Tsyganov

All-Russia Research Institute for Agricultural Microbiology

编辑信件的主要联系方式.
Email: vetsyganov@arriam.ru
俄罗斯联邦, St. Petersburg, 196608

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3. Figure. General view of nodules (a); histological structure of nodules (b); general view of bacteria Bradyrhizobium liaoningense RCAM04656 (c); general view of bacteroids (d). Scale bar – 1 mm (a); 500 µm (b); 1 µm (c); 5 µm (d).

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