预先确定的发条微生物世界:从模型系统到复杂环境的水生微生物死亡反应的当前理解。

2区 生物学 Q1 Immunology and Microbiology
Advances in applied microbiology Pub Date : 2020-01-01 Epub Date: 2020-06-29 DOI:10.1016/bs.aambs.2020.06.001
Daichi Morimoto, Sigitas Šulčius, Kento Tominaga, Takashi Yoshida
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引用次数: 2

摘要

在水生生态系统的光区,不同代谢方式的微生物及其病毒形成复杂的相互作用和食物网。在这些相互作用中,光养微生物如真核微藻和蓝藻直接与阳光相互作用,从而产生昼夜节律。最初在微生物光养生物中产生的Diel循环在利用光合产物排泄或分泌时直接传递给异养微生物。由于复杂的生物相互作用,这种死亡循环似乎间接地向异养生物传播。例如,光养微生物的细胞死亡由病毒裂解和原菌放牧引起,为微生物群落提供了额外的溶解有机质资源,从而在其他不同营养依赖性的异养生物中产生diel循环。同样,通过异养生物之间以及异养生物与其病毒之间复杂相互作用而产生的diel传递途径的差异,也可能在不同的异养分类群中产生更高的变异和时间滞后的diel节律。因此,阳光和光合作用不仅提供能量和碳供应,还通过复杂的相互作用直接或间接地控制着水生生态系统光带微生物群落的能量循环。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Predetermined clockwork microbial worlds: Current understanding of aquatic microbial diel response from model systems to complex environments.

In the photic zone of aquatic ecosystems, microorganisms with different metabolisms and their viruses form complex interactions and food webs. Within these interactions, phototrophic microorganisms such as eukaryotic microalgae and cyanobacteria interact directly with sunlight, and thereby generate circadian rhythms. Diel cycling originally generated in microbial phototrophs is directly transmitted toward heterotrophic microorganisms utilizing the photosynthetic products as they are excreted or exuded. Such diel cycling seems to be indirectly propagated toward heterotrophs as a result of complex biotic interactions. For example, cell death of phototrophic microorganisms induced by viral lysis and protistan grazing provides additional resources of dissolved organic matter to the microbial community, and so generates diel cycling in other heterotrophs with different nutrient dependencies. Likewise, differences in the diel transmitting pathway via complex interactions among heterotrophs, and between heterotrophs and their viruses, may also generate higher variation and time lag diel rhythms in different heterotrophic taxa. Thus, sunlight and photosynthesis not only contribute energy and carbon supply, but also directly or indirectly control diel cycling of the microbial community through complex interactions in the photic zone of aquatic ecosystems.

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来源期刊
Advances in applied microbiology
Advances in applied microbiology 生物-生物工程与应用微生物
CiteScore
8.20
自引率
0.00%
发文量
16
审稿时长
>12 weeks
期刊介绍: Advances in Applied Microbiology offers intensive reviews of the latest techniques and discoveries in this rapidly moving field. The editors are recognized experts and the format is comprehensive and instructive. Published since 1959, Advances in Applied Microbiology continues to be one of the most widely read and authoritative review sources in microbiology. Recent areas covered include bacterial diversity in the human gut, protozoan grazing of freshwater biofilms, metals in yeast fermentation processes and the interpretation of host-pathogen dialogue through microarrays.
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