File:Клубеньковые бактерии клевера. Фазовый контраст.webm
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Русский: Эти бактерии порядка Rhizobiales могут фиксировать атмосферный азот и вырабатывать органические азотосодержащие вещества необходимые для синтеза белков и роста растений. Они особенны тем что живут в симбиозе с многими бобовыми растениями. Эти бактерии заражают корневую систему бобовых, образуя на ней наросты (клубеньки). Бактерии поставляют в растение аммиак или готовые аминокислоты, в свою очередь получают от растения органические кислоты в качестве источника энергии. Они имеют странную форму. Эта форма называется бактероидом - особая покоящаяся форма, имеющаяся у бактерий порядка Rhizobiales. На стадии бактероида бактерии имеют самую большую азотфиксирующую активностью.
English: Clover nodule bacteria. Phase contrast. These bacteria, of the order of Rhizobiales are capable of fixing atmospheric nitrogen and producing organic nitrogen-containing substances necessary for protein synthesis and plant growth. They are unique in that they live in symbiosis with many leguminous plants. These bacteria infect the root system of legumes, forming growths (nodules) on it. Bacteria deliver ammonia or ready-made amino acids to the plant, in turn receive organic acids from the plant as an energy source. Тhey have a strange shape. This form is called a bacteroid - a special resting form found in bacteria of the order of Rhizobiales. At the bacteroid stage, the bacteria have the largest nitrogen-fixing activity.
English: Clover nodule bacteria. Phase contrast. |
| Date | |
| Source | Own work |
| Author | Andrei Savitsky |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:31, 18 April 2020 | 2 min 29 s, 1,920 × 1,080 (198.16 MB) | Andrei Savitsky (talk | contribs) | Uploaded own work with UploadWizard |
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