Bacteria Associated with and Causing Diseases in Plants

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Plant Microbe Interactions".

Deadline for manuscript submissions: closed (15 December 2023) | Viewed by 2442

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Centre for Microbial Ecology and Genomics, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
Interests: biology and ecology of plant pathogenic bacteria
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Bacteria are associated with plants as epiphytes (on the plant surface) and/or as endophytes (within the plant tissue) above and below ground. In these environments, they can act as commensals or can be beneficial/detrimental to their hosts. Bacteria can improve the health of plants via the production of, for example, plant hormones or by behaving as biocontrol agents. Others are responsible for economically important diseases (e.g., olive decline caused by Xylella fastidiosa).

Bacteria live in complex, multispecies communities in and on plants. Pathogenic bacteria form part of these communities, interacting positively or negatively with members of these communities. It has been shown, for example, that plant-associated bacteria can form synergistic relationships with pathogens, resulting in increased disease severity. In the case of olive knot, caused by Pseudomonas savastanoi pv. savastanoi (Psv), Erwinia toletana, Pantoea agglomerans and Erwinia oleae, frequently isolated from within the knots, cooperate with Psv in modulating disease severity.

In this Special Issue, manuscripts on bacteria associated with and causing diseases in plants will be considered. This can include beneficial bacteria as well as those responsible for plant diseases.

Prof. Dr. Teresa Coutinho
Guest Editor

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Keywords

  • plant diseases
  • pathogenic bacteria
  • beneficial bacteria
  • endophytes
  • biocontrol agents
  • Xylella fastidiosa
  • Pseudomonas savastanoi pv. savastanoi (Psv)
  • Erwinia toletana
  • Pantoea agglomerans
  • Erwinia oleae

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Published Papers (1 paper)

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Research

14 pages, 2436 KiB  
Article
Effects of a Microbial Restoration Substrate on Plant Growth and Rhizosphere Microbial Community in a Continuous Cropping Poplar
by Junkang Sui, Jiayi Yang, Chenyu Li, Lingxiao Zhang and Xuewen Hua
Microorganisms 2023, 11(2), 486; https://doi.org/10.3390/microorganisms11020486 - 15 Feb 2023
Cited by 6 | Viewed by 1853
Abstract
In poplar cultivation, continuous cropping obstacles affect wood yield and soil-borne diseases, primarily due to structural changes in microbes and fungus infection. The bacterium Bacillus cereus BJS-1-3 has strong antagonistic properties against pathogens that were isolated from the rhizosphere soil of poplars. Poplar [...] Read more.
In poplar cultivation, continuous cropping obstacles affect wood yield and soil-borne diseases, primarily due to structural changes in microbes and fungus infection. The bacterium Bacillus cereus BJS-1-3 has strong antagonistic properties against pathogens that were isolated from the rhizosphere soil of poplars. Poplar rhizospheres were investigated for the effects of Bacillus cereus BJS-1-3 on microbial communities. Three successive generations of soil were used to replant poplar seedlings. BJS-1-3 inoculated poplars were larger, had higher plant height and breast height diameter, and had a greater number of total and culturable bacteria than non-inoculated controls. B. cereus BJS-1-3 inoculated poplar rhizospheres were sequenced, utilizing the Illumina MiSeq platform to analyze changes in diversity and structure. The fungi abundance and diversity in the BJS-1-3 rhizosphere were significantly lower than in the control rhizosphere. In comparison to the control group, Bacillus sp. constituted 2.87% and 2.38% of the total bacterial community, while Rhizoctonia sp. constituted 2.06% and 6.00% of the total fungal community. Among the potential benefits of B. cereus BJS-1-3 in poplar cultivation is that it enhances rhizosphere microbial community structure and facilitates the growth of trees. Full article
(This article belongs to the Special Issue Bacteria Associated with and Causing Diseases in Plants)
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