Salmonella Cold Stress Response: Mechanisms and Occurrence in Foods

Advances in Applied Microbiology
Steven C RickeYoung Min Kwon

Abstract

Since bacteria in foods often encounter various cold environments during food processing, such as chilling, cold chain distribution, and cold storage, lower temperatures can become a major stress environment for foodborne pathogens. Bacterial responses in stressful environments have been considered in the past, but now the importance of stress responses at the molecular level is becoming recognized. Documenting how bacterial changes occur at the molecular level may help to achieve the in-depth understanding of stress responses, to predict microbial fate when they encounter cold temperatures, and to design and develop more effective strategies to control pathogens in food for ensuring food safety. Microorganisms differ in responding to a sudden downshift in temperature and this, in turn, impacts their metabolic processes and can cause various structural modifications. In this review, the fundamental aspects of bacterial cold stress responses focused on cell membrane modification, DNA supercoiling modification, transcriptional and translational responses, cold-induced protein synthesis including CspA, CsdA, NusA, DnaA, RecA, RbfA, PNPase, KsgA, SrmB, trigger factors, and initiation factors are discussed. In this context, specific...Continue Reading

Citations

Apr 19, 2020·Letters in Applied Microbiology·Kim-Yen Phan-ThienRobyn McConchie
Jan 7, 2019·Environmental Science and Pollution Research International·Md Sujahangir Kabir SarkarWalter Leal Filho
Feb 8, 2019·Journal of Food Science·Beining YeXianming Shi
Dec 25, 2019·Science China. Life Sciences·Bao-Zhen Ren, Wei Qian
Dec 12, 2020·EFSA Journal·UNKNOWN EFSA Panel on Biological Hazards (BIOHAZ)Friederike Hilbert
Nov 7, 2020·Annual Review of Animal Biosciences·Steven C Ricke

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