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ArticleCurrent microbiology2024

Deciphering Phyllomicrobiome of Cauliflower Leaf: Revelation by Metagenomic and Microbiological Analysis of Tolerant and Susceptible Genotypes Against Black Rot Disease.

Neelam Geat, Dinesh Singh, Partha Saha, Rajender Jatoth, Pedapudi Lokesh Babu, Gonur Somashekaraih Ramyashree Devi, Lalita Lakhran, Devendra Singh

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Article in Current microbiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Neelam GeatDivision of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India.
Dinesh SinghDivision of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India. dinesh_iari@rediffmail.com.
Partha SahaDivision of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India.
Rajender JatothAgriculture College, Sircilla, Professor Jayashanker Telangana State Agricultural University Hyderabad, Telangana, 500030, India.
Pedapudi Lokesh BabuDivision of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India.
Gonur Somashekaraih Ramyashree DeviIndian Grassland Forage Research Institute, Regional Station, Dharwad, 580005, Karnataka, India.
Lalita LakhranAgricultural Research Station, Mandor, Agriculture University, Jodhpur, 342304, Rajasthan, India.
Devendra SinghDivision of Plant Improvement and Pest Management, ICAR-Central Arid Zone Research Institute, Jodhpur, 342003, India. devendraiari@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Understanding the phyllomicrobiome dynamics in cauliflower plants holds significant promise for enhancing crop resilience against black rot disease, caused by Xanthomonas campestris pv. campestris. In this study, the culturable microbiome and metagenomic profile of tolerant (BR-161) and susceptible (Pusa Sharad) cauliflower genotypes were investigated to elucidate microbial interactions associated with disease tolerance. Isolation of phyllospheric bacteria from asymptomatic and black rot disease symptomatic leaves of tolerant and susceptible cultivars yielded 46 diverse bacterial isolates. Molecular identification via 16S rRNA sequencing revealed differences in the diversity of microbial taxa between genotypes and health conditions. Metagenomic profiling using next-generation sequencing elucidated distinct microbial communities, with higher diversity observed in black rot disease symptomatic leaf of BR-161. Alpha and beta diversity indices highlighted differences in microbial community structure and composition between genotypes and health conditions. Taxonomic analysis revealed a core microbiome consisting of genera such as Xanthomonas, Psychrobacillus, Lactobacillus, and Pseudomonas across all the samples. Validation through microbiological methods confirmed the presence of these key genera. The findings provide novel insights into the phyllomicrobiome of black rot-tolerant and susceptible genotypes of cauliflower. Harnessing beneficial microbial communities identified in this study offers promising avenues for developing sustainable strategies to manage black rot disease and enhance cauliflower crop health and productivity.

Indexed as

BacteriaBrassicaGenotypeMetagenomicsMicrobiotaPlant DiseasesPlant LeavesHigh-Throughput Nucleotide SequencingPhylogenyRNA, Ribosomal, 16SXanthomonas campestrisRNA, Ribosomal, 16S

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.