根瘤菌共生固氮基因的环境调控
Environmental regulation of rhizobial symbiotic nitrogen fixation genes.
作者信息
Fischer H M
机构信息
Mikrobiologisches Institut, Eidgenössische Technische Hochschule, ETH-Zentrum, Zürich, Switzerland.
出版信息
Trends Microbiol. 1996 Aug;4(8):317-20. doi: 10.1016/0966-842x(96)10049-4.
PMID:8856870
Abstract
Adaptation of rhizobia to a symbiotic life style and synthesis of the nitrogen-fixing apparatus are coordinated with nodule development by the microaerobic conditions prevailing in the central nodule tissue. Sensing and transduction of the "low oxygen' signal involves similar regulatory elements in different rhizobia, yet, these are combined in species-specific circuits.
摘要
根瘤菌对共生生活方式的适应以及固氮装置的合成，与根瘤中央组织中普遍存在的微需氧条件下的根瘤发育相协调。“低氧”信号的感知和转导在不同根瘤菌中涉及相似的调控元件，然而，这些元件以物种特异性的途径组合在一起。
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