Biology, Diagnostics, Pathogenomics and Mitigation Strategies of Jackfruit-Bronzing Bacterium Pantoea stewartii subspecies stewartii: What Do We Know So Far about This Culprit?

Ibrahim, Rahinah; Ismail, Siti Izera; Yasin, Ina Salwany Md; Zulperi, Dzarifah

doi:10.3390/horticulturae8080702

Cited by 4 publications

(1 citation statement)

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“…The astounding availability in most of India's states and the use of jackfruit and its seeds are well reported in the National Horticulture Board's statistics. Accordingly, the top ten Indian states in terms of jackfruit production in 2018-2019 included Kerala, West Bengal, Assam, Orissa, Jharkhand, Chhattisgarh, Madhya Pradesh, Tamil Nadu, Tripura, and Karnataka (Table 1), with 18,57,000 MT grown on 1,87,000 hectares of land (Antony and Thottiam, 2018;The Indian Blog, 2020;Ibrahim et al, 2022). According to Table 1, Karnataka (the study area) is the fifth most abundant state in India, with 196.47 metric tons.…”

Section: Introductionmentioning

confidence: 99%

Examining underutilized jackfruit (Artocarpus heterophyllus) seeds as a potential source of human subsistence in the Byse community, India

Manianga,

Ekuban,

Lukambagire

et al. 2024

Front. Sustain. Food Syst.

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IntroductionThe seeds of jackfruit are often overlooked and discarded globally, leading to the underutilization of this valuable resource. This study explored the potential of utilizing underutilized jackfruit seeds as an alternative source of human subsistence by investigating the availability of jackfruit, the utilization and underutilization of seeds at the household level, and the types of subsistence activities in the community.MethodsWe used a case study of Byse village in Karnataka, India, to understand this topic. A mixed research approach was used. First, a descriptive research design was employed to collect and describe the data, while a correlation design was used to examine the relationships among variables related to jackfruit seed utilization. Second, a bibliometric analysis was conducted to explore global trends in jackfruit seed utilization.Results and DiscussionThe findings indicated that agriculture, particularly arecanut farming followed by paddy rice cultivation, was the primary means of subsistence in the community. While human consumption of jackfruit seeds is statistically significant, it has a detrimental effect on seed utilization in the community (r = −0.295, p = 0.008). The study also revealed that consuming jackfruit seeds in a semidry form had a positive and significant influence (r = 0.345, p = 0.002) compared to eating them in a fresh form. Consequently, more focus could be placed on encouraging the consumption of semidry jackfruit seeds as a preferred option among residents. Despite the abundance of jackfruits, their seeds are rarely used, with a mean utilization score of 1.77. Since jackfruit seeds are limited in their application and are readily available, they could be utilized as an alternative source for sustainable human subsistence. sustainable human subsistence.

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Section: Introductionmentioning

confidence: 99%

Examining underutilized jackfruit (Artocarpus heterophyllus) seeds as a potential source of human subsistence in the Byse community, India

Manianga,

Ekuban,

Lukambagire

et al. 2024

Front. Sustain. Food Syst.

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Preparation and antibacterial effect in vitro against Pantoea stewartii causing jackfruit bronzing bacterium of ZnO/chitosan oligosaccharide-iodine complex nanomaterial

Bui,

Nguyen,

Tuan

et al. 2023

Vietnam J. Sci. Technol.

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Nano ZnO/chitosan oligosaccharide (ZnO/COS) and nano ZnO/chitosan oligosaccharide-iodine complex (ZnO/COS-I2) prepared in this study are new materials consisting of ZnO nanoparticles (12.3 - 15.0 nm) dispersed in COS and COS-I2 solutions. Both ZnO/COS and ZnO/COS-I2 nanomaterials have the ability to resist Pantoea stewartii (P. stewartii) causes jackfruit bronzing bacterium. The COS with a low molecular weight (Mw) of 3,320 g/mol has the main advantage that is completely soluble in both acidic and alkaline mediums to pH 9. The characterizations of materials nanomaterials were determined by gel permeation chromatography (GPC), nuclear magnetic resonance (1H-NMR), transmission electron microscopy (TEM), and X-ray diffraction (XRD). The results of the in vitro test against P. stewartii of ZnO/COS-I2 nanomaterial showed that the antibacterial efficacy is 100% at 500 ppm of active ingredient concentration. The studied results also confirmed that nano ZnO/COS-I2 nanomaterial has the ability to inhibit bacteria higher than that nano ZnO/COS nanomaterial. Therefore, the ZnO/COS-I2 nanomaterial has great potential to use as an effective agent to control the serious damage jackfruit bronzing bacterium and has no specific treatment.

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Recombinase Polymerase Amplification Assay for Rapid Field Diagnosis of Stewart’s Wilt of Corn Pathogen Pantoea stewartii subsp. stewartii

Cai,

Tian,

Meng

et al. 2023

Agriculture

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Stewart’s vascular wilt and leaf blight of sweet corn is caused by the Gram-negative enteric bacterium Pantoea stewartii subsp. stewartii. Stewart’s wilt results in substantial yield losses worldwide warranting rapid and accurate disease diagnosis. Recombinase polymerase amplification (RPA) is an isothermal technique that is tolerant to host plant-derived inhibitors and is, therefore, ideally suited for rapid in-field detection vis-à-vis traditional polymerase chain reaction-based molecular assays. An RPA assay coupled with a Lateral Flow Device (LFD) was developed for rapid, accurate, and sensitive real-time detection of P. stewartii subsp. stewartii directly from the infected host offering in-field pathogen detection, timely disease management, and satisfying quarantine and phytosanitary requirements. Twelve novel primer sets were designed against conserved genomic regions of P. stewartii subsp. Stewartii; however, only the primers for amplification of the intergenic spacer region between capsular polysaccharide genes cpsA and cpsB were discernibly unique and adequate for unambiguous identification of P. stewartii subsp. stewartii. The P. stewartii subsp. stewartii-specific primers were further validated in a simplex RPA assay for specificity against twenty-six bacterial species representing several Pantoea and other closely related bacterial species/subspecies/strains found in the same niche, and naturally or artificially infected plant samples. The integrated RPA/LFD assay was also optimized for rapid and sensitive on-site detection of P. stewartii subsp. stewartii with an empirical detection limit of 0.0005 pg μL−1 bacterial DNA and 1 × 102 CFU mL−1 (app. two bacterial cells used per RPA reaction) in minimally processed samples for accurate, low-cost, and point-of-need diagnosis of the quarantine pathogen P. stewartii subsp. stewartii.

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Biology, Diagnostics, Pathogenomics and Mitigation Strategies of Jackfruit-Bronzing Bacterium Pantoea stewartii subspecies stewartii: What Do We Know So Far about This Culprit?

Cited by 4 publications

References 151 publications

Examining underutilized jackfruit (Artocarpus heterophyllus) seeds as a potential source of human subsistence in the Byse community, India

Examining underutilized jackfruit (Artocarpus heterophyllus) seeds as a potential source of human subsistence in the Byse community, India

Preparation and antibacterial effect in vitro against Pantoea stewartii causing jackfruit bronzing bacterium of ZnO/chitosan oligosaccharide-iodine complex nanomaterial

Recombinase Polymerase Amplification Assay for Rapid Field Diagnosis of Stewart’s Wilt of Corn Pathogen Pantoea stewartii subsp. stewartii

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