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primary topic: Luteibacter sahnii sp. nov., A Novel Yellow-Colored Xanthomonadin Pigment Producing Probiotic Bacterium from Healthy Rice Seed Microbiome

Luteibacter sahnii sp. nov., A Novel Yellow-Colored Xanthomonadin Pigment Producing Probiotic Bacterium from Healthy Rice Seed Microbiome
type: AcademicArticle
type: Article
abstract: To explore the rice seed microbiome, our objective was to isolate novel strains of Xanthomonas, a plant-associated bacterium with diverse lifestyles. Four isolates, anticipated to be Xanthomonas based on morphological features of yellow colonies, were obtained from healthy rice seeds. Phylo-taxono-genomic analysis revealed that these isolates formed monophyletic lineages belonging to a novel species within the genus Luteibacter. Pairwise ortho Average Nucleotide Identity and digital DNA-DNA hybridization confirmed their distinct species status. We propose Luteibacter sahnii sp. nov. as a novel species, with PPL193T = MTCC 13290T = ICMP 24807T = CFBP 9144T as the type strain and PPL201, PPL552, and PPL554 as other constituent members. The fatty acid profile of the type strain is dominated by branched fatty acids like Iso-C15:0, consistent with other members of the genus. The novel species displays non-pathogenic attributes and exhibits plant probiotic properties, protecting rice plants from the leaf blight pathogen X. oryzae pv. oryzae. Production of Indole-3-Acetic Acid (IAA) and genomic regions encoding anti-microbial peptides emphasize its potential contributions to plant hosts. This study underscores the importance of employing a combination of phenotypic and genotypic methods in culturomics to enhance our understanding of rice seed microbiome diversity.
date: 2024-10
volume: 81
issue: 12
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Springer Science and Business Media LLC
type: Organization

Curr. Microbiol.
type: Collection

Hitendra K Patel
type: Person
given name: Hitendra K
family name: Patel

Gagandeep Jaiswal
type: Person
given name: Gagandeep
family name: Jaiswal

Prabhu B Patil
type: Person
given name: Prabhu B
family name: Patil

Sumit G Gandhi
type: Person
given name: Sumit G
family name: Gandhi

Rekha Rana
type: Person
given name: Rekha
family name: Rana

Rekha Chouhan
type: Person
given name: Rekha
family name: Chouhan

Praveen Kumar Nayak
type: Person
given name: Praveen Kumar
family name: Nayak

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primary topic: Luteibacter sahnii sp. nov., A Novel Yellow-Colored Xanthomonadin Pigment Producing Probiotic Bacterium from Healthy Rice Seed Microbiome