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Related Experiment Video

Updated: Apr 10, 2026

In vivo and In vitro Infection of Potato Roots with Plant Parasitic Nematodes for the Assessment of Induced Structural Changes

In vivo and In vitro Infection of Potato Roots with Plant Parasitic Nematodes for the Assessment of Induced Structural Changes

Published on: February 28, 2025

Seed Potato Bacteria Transfer Across Generations Within the Tuber Flesh.

Sumitra Saha^1,2, Anish S Shah¹, Penghao Wang^1,3,4

¹Centre for Crop and Food Innovation, Food Futures Institute, and School of Agricultural Sciences, Murdoch University, Murdoch, 6150, Australia.

Microbial Ecology

|April 9, 2026

Summary

Bacterial transfer across potato generations is minimal, with horizontal acquisition dominating. Vertically transferred microbes, mainly in the flesh, may support plant health and stress responses.

Keywords:

Compartments Generational transfer Microbial selection Microbiome Microbiome resilience Vertical transfer consistency

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Plant-Microbe Interaction: Transcriptional Response of Bacillus Mycoides to Potato Root Exudates

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Last Updated: Apr 10, 2026

In vivo and In vitro Infection of Potato Roots with Plant Parasitic Nematodes for the Assessment of Induced Structural Changes

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Published on: February 28, 2025

Agrobacterium tumefaciens and Agrobacterium rhizogenes-Mediated Transformation of Potato and the Promoter Activity of a Suberin Gene by GUS Staining

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Published on: March 29, 2019

Plant-Microbe Interaction: Transcriptional Response of Bacillus Mycoides to Potato Root Exudates

Plant-Microbe Interaction: Transcriptional Response of Bacillus Mycoides to Potato Root Exudates

Published on: July 2, 2018

Area of Science:

Plant pathology
Microbiology
Agricultural science

Background:

Potato crops face pathogen and environmental challenges.
Plant microbiomes enhance health and stress tolerance.
Microbial transfer across generations in potatoes is known but poorly understood.

Purpose of the Study:

Investigate bacterial transfer across three potato tuber generations (seed to granddaughter).
Determine the extent and functional relevance of vertical bacterial transfer.
Compare transfer in two cultivars (Nadine, Royal Blue) and two compartments (peel, flesh).

Main Methods:

Sequenced bacterial communities in potato tuber peel and flesh.
Cultivated granddaughter tubers in two fields to assess transfer consistency.
Used tare soil bacteria as a proxy for environmental acquisition.

Main Results:

Community composition varied by generation, compartment, cultivar, and field.
Horizontal acquisition was the primary source (>98%) of granddaughter tuber bacteria.
Vertical transfer probability was low (1.8%) but higher in flesh than peel.
Stable vertically transferred taxa (e.g., Streptomycetaceae) may aid metabolic and stress response pathways.

Conclusions:

Confirmed consistent, albeit limited, vertical bacterial transfer across potato generations.
Horizontal acquisition significantly shapes tuber microbiomes.
Vertically transferred bacteria, primarily in the flesh, may play a role in plant health.