Pantoea: a newly identified causative agent for leaf blight disease in rice

Doni, Febri; Suhaimi, Nurul Shamsinah Mohd; Zeriouh, Mohamed; Ishak, Nazri; Mispan, Muhamad Shakirin

doi:10.1007/s41348-019-00244-6

Cited by 19 publications

(14 citation statements)

References 23 publications

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“…oryzicola (the causal agent of Bacterial Leaf Streak), are well-known bacterial diseases of rice. It is noteworthy that studies in recent years have indicated numerous bacterial species from the genus Burkholderia and Pantoea as the next major pathogens of rice [ 4 , 29 , 30 ].…”

Section: Bacterial Rice Pathogensmentioning

confidence: 99%

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

et al. 2021

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As a major food crop, rice (Oryza sativa) is produced and consumed by nearly 90% of the population in Asia with less than 9% produced outside Asia. Hence, reports on large scale grain losses were alarming and resulted in a heightened awareness on the importance of rice plants’ health and increased interest against phytopathogens in rice. To serve this interest, this review will provide a summary on bacterial rice pathogens, which can potentially be controlled by plant growth-promoting bacteria (PGPB). Additionally, this review highlights PGPB-mediated functional traits, including biocontrol of bacterial rice pathogens and enhancement of rice plant’s growth. Currently, a plethora of recent studies address the use of PGPB to combat bacterial rice pathogens in an attempt to replace existing methods of chemical fertilizers and pesticides that often lead to environmental pollutions. As a tool to combat bacterial rice pathogens, PGPB presented itself as a promising alternative in improving rice plants’ health and simultaneously controlling bacterial rice pathogens in vitro and in the field/greenhouse studies. PGPB, such as Bacillus, Pseudomonas, Enterobacter, Streptomyces, are now very well-known. Applications of PGPB as bioformulations are found to be effective in improving rice productivity and provide an eco-friendly alternative to agroecosystems.

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Section: Bacterial Rice Pathogensmentioning

confidence: 99%

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

et al. 2021

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“…As mentioned previously, despite displaying beneficial roles in association with their host plants, Pantoea species had recently been regarded as a re-emerging pathogen based on the increasing number of reports of their involvement in diseases occurring in rice plants worldwide. Of the twenty-five known species that belong to the genus of Pantoea, some species have been reported as associated with rice diseases and they include P. dispersa, P. agglomerans, P. stewartii, P. wallisii and P. ananatis [15]. As early as 1983, a study by Azegami [53] indicated that the palea browning disease of rice in Japan was caused by Erwinia herbicola (E. herbicola was later known as P. agglomerans).…”

Section: Detrimental Impacts Of Pantoea-rice Plant Interactions Leading To Rice Diseasesmentioning

confidence: 99%

“…Recent evidence has provided additional support, where the Pantoea species have re-emerged as a threat to global rice production as they have been shown to cause various rice diseases in several rice growing areas of the world [13,14]. In addition, studies under different agroecosystem conditions have also indicated that many Pantoea species caused Agriculture 2021, 11, 1278 2 of 13 leaf blight disease that severely impacted the rice farming system worldwide, and yield loss due to Pantoea infestation can be up to 70% in susceptible rice varieties [15].…”

Section: Introductionmentioning

confidence: 99%

Associations of Pantoea with Rice Plants: As Friends or Foes?

et al. 2021

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Pantoea species are gram-negative bacteria from the Enterobacteriaceae family, generally associated with plants, either as epiphytes or as pathogens. In the last decade, Pantoea species are being regarded as re-emerging pathogens that are the causal agents of various diseases in rice plants. Inherently, they are also known to be opportunistic plant symbionts having the capacity to enhance systemic resistance and increase the yield of rice plants. It is unclear how they can express both beneficial and pathogenic traits, and what factors influence and determine the outcome of a particular Pantoea–rice plant interaction. This review aims to compare the characteristics of rice plant-beneficial and pathogenic strains belonging to the Pantoea species and gain new insights, enabling distinction among the two types of plant–microbe interactions.

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“…In addition to X. oryzae, different species of Pantoea [13], and Sphingomonas [14] genera were recently described to be responsible for BLB-like symptoms in rice. Either Pantoea stewartii, P. ananatis and P. agglomerans were identified as causing leaf blight disease in different countries worldwide [15,16] and in particular in Africa [17,18].…”

Section: Introductionmentioning

confidence: 99%

Design of a new multiplex PCR assay for rice pathogenic bacteria detection and its application to infer disease incidence and detect co-infection in rice fields in Burkina Faso

Bangratz

Wonni

Kini³

et al. 2020

PLoS ONE

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Crop diseases are responsible for considerable yield losses worldwide and particularly in sub-Saharan Africa. To implement efficient disease control measures, detection of the pathogens and understanding pathogen spatio-temporal dynamics is crucial and requires the use of molecular detection tools, especially to distinguish different pathogens causing more or less similar symptoms. We report here the design a new molecular diagnostic tool able to simultaneously detect five bacterial taxa causing important diseases on rice in Africa: (1) Pseudomonas fuscovaginae, (2) Xanthomonas oryzae, (3) Burkholderia glumae and Burkholderia gladioli, (4) Sphingomonas and (5) Pantoea species. This new detection tool consists of a multiplex PCR, which is cost effective and easily applicable. Validation of the method is presented through its application on a global collection of bacterial strains. Moreover, sensitivity assessment for the detection of all five bacteria is reported to be at 0.5 ng DNA by μl. As a proof of concept, we applied the new molecular detection method to a set of 256 rice leaves collected from 16 fields in two irrigated areas in western Burkina Faso. Our results show high levels of Sphingomonas spp. (up to 100% of tested samples in one field), with significant variation in the incidence between the two sampled sites. Xanthomonas oryzae incidence levels were mostly congruent with bacterial leaf streak (BLS) and bacterial leaf blight (BLB) symptom observations in the field. Low levels of Pantoea spp. were found while none of the 256 analysed samples was positive for Burkholderia or Pseudomonas fuscovaginae. Finally, many samples (up to 37.5% in one studied field) were positive for more than one bacterium (co-infection). Documenting co-infection levels are important because of their drastic consequences on epidemiology, evolution of pathogen populations and yield losses. The newly designed multiplex PCR for multiple bacterial pathogens of rice is a significant improvement for disease monitoring in the field, thus contributing to efficient disease control and food safety.

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Pantoea: a newly identified causative agent for leaf blight disease in rice

Cited by 19 publications

References 23 publications

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

Plant Growth-Promoting Bacteria as an Emerging Tool to Manage Bacterial Rice Pathogens

Associations of Pantoea with Rice Plants: As Friends or Foes?

Design of a new multiplex PCR assay for rice pathogenic bacteria detection and its application to infer disease incidence and detect co-infection in rice fields in Burkina Faso

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