Journal Article10.1111/1758-2229.12181
Bacterial seed endophytes: genera, vertical transmission and interaction with plants
593
TL;DR: The role of seed-associated microorganisms, and especially seed endophytic bacteria, still is underestimated, but these associations could be beneficial for germination and seedling establishment as seed endophical bacteria are already present in these very early plant growth stages.
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Abstract: Summary
Although the importance of plant-associated microorganisms for plant growth and health was getting more recognition recently, the role of seed-associated microorganisms, and especially seed endophytic bacteria, still is underestimated. Nevertheless, these associations could be beneficial for germination and seedling establishment as seed endophytic bacteria are already present in these very early plant growth stages. Moreover, bacteria with beneficial characteristics can be selected by the plants and could be transferred via the seed to benefit the next generation. In this paper, the current literature concerning bacterial endophytes that have been isolated from seeds of different plant species is reviewed. Their colonization routes, localization inside seeds and mode of transmission as well as their role and fate during germination and seedling development are discussed. At the end, some examples of bacterial seed endophytes with applications as a plant growth-promoting or biocontrol agent are given.
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Citations
Revisiting seed transmission of ‘ Candidatus Liberibacter asiaticus’ in different citrus species and hybrids
TL;DR: Although CLas may infect the citrus seeds, the results of this study do not support the vertical transmission of viable cells of CLas from seeds to seedlings.
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Isolation of Endophytes: The Gold Standard?
Binay Chaubey
- 01 Jan 2018
TL;DR: The complex interaction of endophytes with their hosts needs to be studied by combining the omics-based assays with the culturedependent methods, which can actually provide the true study material and their appropriate analysis.
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Revealing the Seed Microbiome: Navigating Sequencing Tools, Microbial Assembly, and Functions to Amplify Plant Fitness
Ajay Kumar,Manoj Kumar Solanki,Zhen Wang,Anjali Chandrol Solanki,Vipin Kumar Singh,Praveen Kumar Divvela +5 more
TL;DR: Insight is provided into microbial composition, functions, and significance for plant health, particularly regarding growth promotion and pest control, and applying seed-associated microorganisms to improve crops in the context of climate change.
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The bacterial microbiomes of Saskatchewan crops and potential for plant growth promotion
Cordero Elvia,Jorge +1 more
- 01 Jan 2019
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TL;DR: Historically, endophytic bacteria have been thought to be weakly virulent plant pathogens but have recently been discovered to have several beneficial effects on host plants, such as plant growth promotion and increased resistance against plant pathogens and parasites.
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Plant growth-promoting bacteria in the rhizo- and endosphere of plants: Their role, colonization, mechanisms involved and prospects for utilization
TL;DR: The individual steps of plant colonization are described and the known mechanisms responsible for rhizosphere and endophytic competence are surveyed to better predict how bacteria interact with plants and whether they are likely to establish themselves in the plant environment after field application as biofertilisers or biocontrol agents.
Feedback with soil biota contributes to plant rarity and invasiveness in communities.
TL;DR: The results indicate that plants have different abilities to influence their abundance by changing the structure of their soil communities, and that this is an important regulator of plant community structure.
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Bacterial Endophytes and Their Interactions with Hosts
TL;DR: Molecular analysis showed that plant defense responses limit bacterial populations inside plants, and delivery of endophytes to the environment or agricultural fields should be carefully evaluated to avoid introducing pathogens.
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