Journal Article10.1111/1758-2229.12181
Bacterial seed endophytes: genera, vertical transmission and interaction with plants
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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
A New Approach to Modify Plant Microbiomes and Traits by Introducing Beneficial Bacteria at Flowering into Progeny Seeds.
Birgit Mitter,Nikolaus Pfaffenbichler,Richard Bailey Flavell,Stéphane Compant,Livio Antonielli,Alexandra Petric,Teresa Berninger,Muhammad Naveed,Raheleh Sheibani-Tezerji,Geoffrey von Maltzahn,Angela Sessitsch +10 more
TL;DR: It is discovered that by introducing the endophyte Paraburkholderia phytofirmans PsJN to the flowers of parent plants the authors could drive its inclusion in progeny seed microbiomes, thereby inducing vertical inheritance to the offspring generation.
Bacterial seed endophyte shapes disease resistance in rice
Haruna Matsumoto,Xiaoyan Fan,Yue Wang,Peter Kusstatscher,Jie Duan,Sanling Wu,Sunlu Chen,Kun Qiao,Yiling Wang,Bin Ma,Guonian Zhu,Yasuyuki Hashidoko,Gabriele Berg,Tomislav Cernava,Mengcen Wang +14 more
TL;DR: In this paper, the hidden role of seed endophytes in the phytopathology paradigm of 'disease triangles', which encompass the plant, pathogens and environmental conditions, was highlighted.
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Understanding the holobiont: the interdependence of plants and their microbiome.
TL;DR: For a long time microorganisms were in the background of plant biology but new multidisciplinary approaches have led to an appreciation of the importance of the holobiont, where plants and microbes are interdependent.
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Seed-borne endophytic Bacillus amyloliquefaciens RWL-1 produces gibberellins and regulates endogenous phytohormones of Oryza sativa
Raheem Shahzad,Muhammad Waqas,Abdul Latif Khan,Sajjad Asaf,Muhammad Aaqil Khan,Sang-Mo Kang,Byung-Wook Yun,In-Jung Lee +7 more
TL;DR: Results of the present study suggest that B. amyloliquefaciens RWL-1 has the ability to produce GAs and that its inoculation in seedlings can be beneficial to rice plants.
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What Is There in Seeds? Vertically Transmitted Endophytic Resources for Sustainable Improvement in Plant Growth
TL;DR: This review addresses the current knowledge on endophytes, their ability to produce metabolites, and their influence on plant growth and stress mitigation.
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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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