The Viable but Non-Culturable (VBNC) State, a Poorly Explored Aspect of Beneficial Bacteria

细菌 生物 有机体 生物技术 微生物学 微生物 遗传学 古生物学
作者
Laura Abisaí Pazos-Rojas,Alma Cuellar-Sánchez,Ana Laura Romero-Cerón,América Paulina Rivera-Urbalejo,Pieter van Dillewijn,Diego A. Luna‐Vital,Jesús Muñoz‐Rojas,Yolanda Elizabeth Morales-García,María del Rocío Bustillos-Cristales
出处
期刊:Microorganisms [MDPI AG]
卷期号:12 (1): 39-39
标识
DOI:10.3390/microorganisms12010039
摘要

Many bacteria have the ability to survive in challenging environments; however, they cannot all grow on standard culture media, a phenomenon known as the viable but non-culturable (VBNC) state. Bacteria commonly enter the VBNC state under nutrient-poor environments or under stressful conditions. This review explores the concept of the VBNC state, providing insights into the beneficial bacteria known to employ this strategy. The investigation covers different chemical and physical factors that can induce the latency state, cell features, and gene expression observed in cells in the VBNC state. The review also covers the significance and applications of beneficial bacteria, methods of evaluating bacterial viability, the ability of bacteria to persist in environments associated with higher organisms, and the factors that facilitate the return to the culturable state. Knowledge about beneficial bacteria capable of entering the VBNC state remains limited; however, beneficial bacteria in this state could face adverse environmental conditions and return to a culturable state when the conditions become suitable and continue to exert their beneficial effects. Likewise, this unique feature positions them as potential candidates for healthcare applications, such as the use of probiotic bacteria to enhance human health, applications in industrial microbiology for the production of prebiotics and functional foods, and in the beer and wine industry. Moreover, their use in formulations to increase crop yields and for bacterial bioremediation offers an alternative pathway to harness their beneficial attributes.
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