揭示放线根共生在生态系统氮动力学中的作用。

IF 6.3 1区 生物学 Q1 PLANT SCIENCES
Bin Hu, Zhenshan Liu, Tong Peng, Man Yin, Rodica Efrose, Emmanouil Flemetakis, Philipp Franken, Heinz Rennenberg
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引用次数: 0

摘要

植物与微生物之间的共生关系对全球生物地球化学循环和生态系统稳定至关重要。菌根真菌和固氮细菌被认为是参与这种共生相互作用的两大类微生物。它们不仅是分布最广泛的共生微生物,也是植物直接从大气中获取额外氮资源的保证。虽然植物与微生物的相互作用,如am植物和根瘤菌与豆科植物的共生关系,已经得到了很好的研究和详细的回顾,但对放线根菌共生中的这些过程知之甚少。本文基于植物和微生物界的进化和分布,综述了目前对放线根共生伙伴相互作用的了解,特别是在BNF建立过程中的信号传导过程,以及在这种相互作用中不同共生伙伴的特异性和依赖性。讨论了这些根系共生关系中的养分转移特征以及放线根菌共生对环境胁迫下植物生产性能的意义,并与AM和根瘤菌-豆科共生进行了比较。此外,指出了放线根根系共生研究的空白,并提出了今后的研究方向。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Revealing the Role of Actinorhizal Symbioses in Ecosystem Nitrogen Dynamics.

Symbiotic associations between plants and microorganisms are crucial to global biogeochemical cycling and ecosystem stability. Mycorrhizal fungi and nitrogen (N2)-fixing bacteria are recognized as the two main groups of microorganisms involved in such symbiotic interactions. They not only constitute the most wide-spread symbiotic microorganisms, but also ensure plants to acquire additional N resources directly from the atmosphere. Although plant-microbial interactions, for example, the performance of AM-plant and rhizobia-legume plant symbioses, have been well studied and reviewed in detail previously, still less information is known about these processes in actinorhizal symbioses. The present review is aimed to summarize current knowledge of the interaction of partners in actinorhizal root symbioses, in particular the signalling processes during establishment of BNF, and the specificity of and dependency on different symbiotic partners in this interactions, based on evolution and distribution in the plant and microbial kingdom. The features of nutrient transfer in these root symbiotic relationships and the significance of actinorhizal symbioses for the performance of plants under environmental stress are discussed and compared with AM and rhizobia-legume symbioses. In addition, research gaps in actinorhizal root symbioses research are identified and future research avenues are suggested.

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来源期刊
Plant, Cell & Environment
Plant, Cell & Environment 生物-植物科学
CiteScore
13.30
自引率
4.10%
发文量
253
审稿时长
1.8 months
期刊介绍: Plant, Cell & Environment is a premier plant science journal, offering valuable insights into plant responses to their environment. Committed to publishing high-quality theoretical and experimental research, the journal covers a broad spectrum of factors, spanning from molecular to community levels. Researchers exploring various aspects of plant biology, physiology, and ecology contribute to the journal's comprehensive understanding of plant-environment interactions.
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