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Plant and soil-associated microbiome dynamics determine the fate of bacterial wilt pathogen Ralstonia solanacearum

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Main conclusion

Plant and the soil-associated microbiome is important for imparting bacterial wilt disease tolerance in plants.

Abstract

Plants are versatile organisms that are endowed with the capacity to withstand various biotic and abiotic stresses despite having no locomotory abilities. Being the agent for bacterial wilt (BW) disease, Ralstonia solanacearum (RS) colonizes the xylem vessels and limits the water supply to various plant parts, thereby causing wilting. The havoc caused by RS leads to heavy losses in crop productivity around the world, for which a sustainable mitigation strategy is urgently needed. As several factors can influence plant–microbe interactions, comprehensive understanding of plant and soil-associated microbiome under the influence of RS and various environmental/edaphic conditions is important to control this pathogen. This review mainly focuses on microbiome dynamics associated with BW disease and also provide update on microbial/non-microbial approaches employed to control BW disease in crop plants.

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Abbreviations

AHN:

Alkali hydrolysable nitrogen

AK:

Available potassium

AP:

Available phosphate

ASi:

Available silicon

BW:

Bacterial wilt

CEC:

Cation exchange capacity

MRS:

Microbial restoration substrates

OM:

Organic matter

RS:

Ralstonia solanacearum

TK:

Total potassium

WSOC:

Water-soluble organic carbon

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Acknowledgement

The authors would like to acknowledge Department of Science and Technology, Govt. of India for providing FIST-program to Department of Botany, Gauhati University. We sincerely apologise to our contemporaries whose work could not be discussed in this article due to space restrictions.

Funding

Start-Up grant provided by University Grant Commission, Govt. of India (grant number F.30-386/2017) and Scheme for promoting research among young faculty (GU/Acad./YFPGC/50/2018/1738-79/05) provided to NA by Gauhati University.

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Correspondence to Sarvajeet Singh Gill or Niraj Agarwala.

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The authors have no relevant financial or non-financial interests to disclose.

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Communicated by Gerhard Leubner.

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Kashyap, S., Sharma, I., Dowarah, B. et al. Plant and soil-associated microbiome dynamics determine the fate of bacterial wilt pathogen Ralstonia solanacearum. Planta 258, 57 (2023). https://doi.org/10.1007/s00425-023-04209-w

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  • DOI: https://doi.org/10.1007/s00425-023-04209-w

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