Recent progress in the role of seed endophytic bacteria as plant growth-promoting microorganisms and biocontrol agents

Guha, Titir; Mandal Biswas, Suparna

doi:10.1007/s11274-024-04031-w

World J Microbiol Biotechnol

2024

DOI: 10.1007/s11274-024-04031-w

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Recent progress in the role of seed endophytic bacteria as plant growth-promoting microorganisms and biocontrol agents

Titir Guha,

Suparna Mandal Biswas

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2024

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Cited by 2 publications

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Isolation of Cellulolytic Bacillus sp. from the Viviparous Seedling Hypocotyls of Red Mangrove – Rhizophora mucronata Lam.

Nidhina,

Ayshommabi,

Mani

2024

J. Pure Appl. Microbiol.

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Mangroves are one of the world’s most unique tropical coastal ecosystems. They are a rich repository of biological wealth, including specially adapted flora and fauna. The microbiome component of this ecosystem is a fascinating world that is yet to be fully explored for its functional and ecological inter-relationships with its hosts. The mangrove ecosystem is a hidden treasure of microbial diversity, without which mangrove biology is incomplete. In the present study, the isolation of a cellulase-producing, endophytic Bacillus sp. from the hypocotyl region of viviparous seedlings is described. This study urges us to look into the microbial diversity of mangrove propagules, by presenting a glimpse of a member of the endospheric microbiome of viviparous hypocotyls.

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Isolation of Cellulolytic Bacillus sp. from the Viviparous Seedling Hypocotyls of Red Mangrove – Rhizophora mucronata Lam.

Nidhina,

Ayshommabi,

Mani

2024

J. Pure Appl. Microbiol.

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Conservation and Dynamics of Maize Seed Endophytic Bacteria Across Progeny Transmission

Zhai,

Zhang,

Zhao

et al. 2024

Microorganisms

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Maize (Zea mays L.) is an important cereal crop species for food, feedstock and industrial material. Maize seeds host a suitable ecosystem for endophytic bacteria, facilitating seed germination and seedling growth. However, the inheritance, diversity and potential function of seed endophytic bacteria in maize remain largely unexplored. In this study, the endophytic bacteria in the seeds of maize inbred line WU109 collected during three consecutive seasons were identified using 16S rDNA sequencing. Core community composition was essentially consistent across three seed generations and two planting locations. In total, 212 operational taxonomic units (OTUs) belonging to 11 phyla were identified, among which proteobacteria was the dominant phylum. Fifty-six OTUs were conserved across three seed generations. Within them, 16 OTUs were core components and the dominant OTUs were Ralstonia solanacearum, Delftia tsuruhatensis, Bacillu svelezensis and Shigella boydii, accounting for 60% of the total abundance of OTUs. COG and KEGG analyses showed that the function of seed endophytic bacteria was mainly enriched in metabolic processes, especially in amino acid, carbohydrate and energy metabolism. Taken together, the results suggested that the community of maize seed endophytic bacteria was likely co-shaped by both genetic determination and the environment, while the core constitutes of seed endophytes were largely conserved due to transgenerational transmission. Establishing the mutualistic link between the maize seed and its endophytic bacteria enables the exploitation of the potential of endophytes for enhancing crop production. This finding provides a reference to better understand the inheritance and composition of seed core endophytic bacteria in maize.

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Recent progress in the role of seed endophytic bacteria as plant growth-promoting microorganisms and biocontrol agents

Cited by 2 publications

References 68 publications

Isolation of Cellulolytic Bacillus sp. from the Viviparous Seedling Hypocotyls of Red Mangrove – Rhizophora mucronata Lam.

Isolation of Cellulolytic Bacillus sp. from the Viviparous Seedling Hypocotyls of Red Mangrove – Rhizophora mucronata Lam.

Conservation and Dynamics of Maize Seed Endophytic Bacteria Across Progeny Transmission

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