生物强化青豆植株对 Colletotrichum lindemuthianum 的反应

IF 2.1 Q3 MICROBIOLOGY Microbiology Research Pub Date : 2023-12-06 DOI:10.3390/microbiolres14040139
L. Hernández-Montiel, Juan P. Ciscomani-Larios, E. Sánchez-Chávez, I. Vargas-Arispuro, A. Hashem, E. F. Abd_Allah, G. Ávila-Quezada
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引用次数: 0

摘要

在某些情况下,通过添加必需矿物质的生物强化来增强作物营养,可以增强植物对病原体攻击的抵抗力。因此,植物激活它们的防御机制并产生生物活性化合物(bc)作为回应。迄今为止,还没有研究过添加镁盐的绿豆植物对炭疽杆菌存在的反应。本研究涉及两个Mg源应用的地理路线。将病原菌接种在绿豆豆荚上,随后分析了症状和健康组织中总花青素、总酚和总黄酮等BCs的积累情况。值得注意的是,MgCl2和MgSO4处理后,植物的防御系统被激活,有症状的组织中花青素浓度显著升高(p≤0.05)。此外,MgSO4处理的绿豆植株荚果接种组织中酚类物质浓度显著升高(p≤0.05),这可能是一种植物防御机制。与非生物强化植物相比,生物强化植物的绿豆荚中bc的含量要高得多。然而,也许最值得注意的发现之一是,在阻止青豆豆荚中的炭疽病方面,生物强化和非生物强化处理之间没有明显的差异。这些结果提供了有价值的见解,有助于更深入地理解这种相互作用。
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Response of Biofortified Green Bean Plants to Colletotrichum lindemuthianum
Enhancing crop nutrition though biofortification with essential minerals can, in some circumstances, increase the resistance of plants to the attack by pathogens. As a result, plants activate their defense mechanisms and produce bioactive compounds (BCs) in response. To date, there has been no investigation into the response of green bean plants fortified with magnesium (Mg) salts to the presence of Colletotrichum lindemuthianum. This research involved two Mg sources applied by the edaphic route. The pathogen was inoculated on green bean pods, and subsequent analysis was conducted on the accumulation of BCs, including total anthocyanins, total phenols, and total flavonoids, within both symptomatic and healthy tissues. Remarkably, the plant’s defense system was activated, as evidenced by the significantly higher concentration of anthocyanins (p ≤ 0.05) observed in the symptomatic tissues following treatments with both MgCl2 and MgSO4. Further, green bean plants treated with MgSO4 displayed notably elevated concentrations of phenols (p ≤ 0.05) in the inoculated tissues of the pods, suggesting a plausible plant defense mechanism. The levels of BCs were considerably higher in green bean pods of the biofortified plants compared to those which were nonbiofortified. However, perhaps one of the most noteworthy findings is that there were no discernible differences between biofortified and nonbiofortified treatments in stopping anthracnose in green bean pods. These results provide valuable insights contributing to a deeper understanding of this interaction.
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来源期刊
Microbiology Research
Microbiology Research MICROBIOLOGY-
CiteScore
1.90
自引率
6.70%
发文量
62
审稿时长
10 weeks
期刊介绍: Microbiology Research is an international, online-only, open access peer-reviewed journal which publishes original research, review articles, editorials, perspectives, case reports and brief reports to benefit researchers, microbiologists, physicians, veterinarians. Microbiology Research publishes ‘Clinic’ and ‘Research’ papers divided into two different skill and proficiency levels: ‘Junior’ and ‘Professional’. The aim of this four quadrant grid is to encourage younger researchers, physicians and veterinarians to submit their results even if their studies encompass just a limited set of observations or rely on basic statistical approach, yet upholding the customary sound approach of every scientific article.
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