The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological Sciences

The type III secretion system (T3SS) is a nano-machine that allows Gram-negative bacteria to alter eukaryotic host biology by directly delivering effector proteins from the bacterial cytoplasm. Protein delivery based on the bacterial T3SS has been widely used in research in biology. This review expl...

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Main Authors: Liyu Jia, Lihua Zhu
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Microorganisms
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Online Access:https://www.mdpi.com/2076-2607/13/1/75
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author Liyu Jia
Lihua Zhu
author_facet Liyu Jia
Lihua Zhu
author_sort Liyu Jia
collection DOAJ
description The type III secretion system (T3SS) is a nano-machine that allows Gram-negative bacteria to alter eukaryotic host biology by directly delivering effector proteins from the bacterial cytoplasm. Protein delivery based on the bacterial T3SS has been widely used in research in biology. This review explores recent advancements in the structure and function of the T3SS. We explore the molecular underpinnings of the T3SS apparatus, which spans bacterial and host cell membranes, and discuss the intricate transport mechanisms of effector proteins. Furthermore, this review emphasizes the innovative applications of the T3SS in crop biology, where it has been leveraged to study plant–pathogen interactions. By summarizing the current knowledge and recent progress, we underscore the potential of the T3SS as a powerful tool in biological sciences and their implications for future research in plant pathology and agricultural biotechnology.
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series Microorganisms
spelling doaj-art-c97ddb888b4f4b1793b0b34bee240e3a2025-01-24T13:42:32ZengMDPI AGMicroorganisms2076-26072025-01-011317510.3390/microorganisms13010075The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological SciencesLiyu Jia0Lihua Zhu1College of Forestry and Grassland, Nanjing Forestry University, Nanjing 210037, ChinaCollege of Forestry and Grassland, Nanjing Forestry University, Nanjing 210037, ChinaThe type III secretion system (T3SS) is a nano-machine that allows Gram-negative bacteria to alter eukaryotic host biology by directly delivering effector proteins from the bacterial cytoplasm. Protein delivery based on the bacterial T3SS has been widely used in research in biology. This review explores recent advancements in the structure and function of the T3SS. We explore the molecular underpinnings of the T3SS apparatus, which spans bacterial and host cell membranes, and discuss the intricate transport mechanisms of effector proteins. Furthermore, this review emphasizes the innovative applications of the T3SS in crop biology, where it has been leveraged to study plant–pathogen interactions. By summarizing the current knowledge and recent progress, we underscore the potential of the T3SS as a powerful tool in biological sciences and their implications for future research in plant pathology and agricultural biotechnology.https://www.mdpi.com/2076-2607/13/1/75type III secretion system (T3SS)protein secretioncrop applicationshypersensitive responseeffector protein translocation
spellingShingle Liyu Jia
Lihua Zhu
The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological Sciences
Microorganisms
type III secretion system (T3SS)
protein secretion
crop applications
hypersensitive response
effector protein translocation
title The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological Sciences
title_full The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological Sciences
title_fullStr The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological Sciences
title_full_unstemmed The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological Sciences
title_short The Bacterial Type III Secretion System as a Broadly Applied Protein Delivery Tool in Biological Sciences
title_sort bacterial type iii secretion system as a broadly applied protein delivery tool in biological sciences
topic type III secretion system (T3SS)
protein secretion
crop applications
hypersensitive response
effector protein translocation
url https://www.mdpi.com/2076-2607/13/1/75
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