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IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
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引用次数: 0
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
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引用次数: 0
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
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引用次数: 0
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
{"title":"","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":34736,"journal":{"name":"Plant Stress","volume":"19 ","pages":"Article 101165"},"PeriodicalIF":6.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146431198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
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引用次数: 0
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
{"title":"","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":34736,"journal":{"name":"Plant Stress","volume":"19 ","pages":"Article 101143"},"PeriodicalIF":6.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146431204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
{"title":"","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":34736,"journal":{"name":"Plant Stress","volume":"19 ","pages":"Article 101185"},"PeriodicalIF":6.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146431269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01
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引用次数: 0
Chitosan molecular weight affects biocontrol efficacy of chitosan-Persian gum-encapsulated Bacillus subtilis PVRC001 against Tomato yellow leaf curl virus 壳聚糖波斯胶包封枯草芽孢杆菌PVRC001对番茄黄曲叶病毒防效的影响
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01 DOI: 10.1016/j.stress.2025.101211
Yaser Biniaz , Farideh Ahmadi , Alireza Afsharifar , Hadi Hashemi , Fatemeh Khajouei Nezhad , Keramatollah Izadpanah
Tomato yellow leaf curl virus (TYLCV), a devastating Begomovirus, causes severe global yield losses. Conventional control relying on resistant cultivars and synthetic insecticides is increasingly compromised by resistance development and environmental concerns, highlighting the urgent need for sustainable, eco-friendly alternatives. This study evaluated the biocontrol efficacy of Bacillus subtilis strain PVRC001 encapsulated in chitosan–Persian gum complexes formulated with chitosan of four different molecular weights: ultra-low (ULMWCC, ∼20 kDa), low (LMWCC, ∼50 kDa), medium (MMWCC, ∼150 kDa), and high (HMWCC, ∼1250 kDa). Under greenhouse conditions, these formulations—along with non-encapsulated bacteria (BS) and an untreated control—were tested in TYLCV-infected tomato plants using viruliferous whiteflies as vectors. Encapsulation of B. subtilis PVRC001 in chitosan–Persian gum complex significantly enhanced plant growth and TYLCV suppression compared to the non-encapsulated treatment. The MMWCC treatment outperformed all other groups, resulting in the highest enhancements in plant height, fresh weight (increased by 54.3%), and leaf area, as well as the greatest reduction in disease incidence (48.27%) and severity (lowest AUDPC). Both MMWCC and BS reduced viral accumulation and activated host defense mechanisms, elevating the activity of phenylalanine ammonia-lyase (PAL), peroxidase (POD), and superoxide dismutase (SOD), and upregulating defense-related genes (ICS1, PR1, PR2, and ERF-A2). These results indicate that encapsulating B. subtilis PVRC001 in medium molecular weight chitosan (∼150 kDa) maximizes its protective effects, presenting a sustainable strategy for TYLCV management through improved biocontrol agent delivery, plant growth enhancement, and induction of systemic resistance.
番茄黄卷叶病毒（TYLCV）是一种毁灭性的begomavirus，造成严重的全球产量损失。依赖抗性品种和合成杀虫剂的常规防治日益受到抗性发展和环境问题的影响，这突出表明迫切需要可持续的、生态友好的替代品。本研究对枯草芽孢杆菌PVRC001菌株的生物防治效果进行了评价，该菌包被在壳聚糖-马来胶配合物中，壳聚糖由四种不同分子量的壳聚糖配制而成：超低（ULMWCC, ~ 20 kDa）、低（LMWCC, ~ 50 kDa）、中（MMWCC, ~ 150 kDa）和高（HMWCC, ~ 1250 kDa）。在温室条件下，这些配方——以及未封装的细菌（BS）和未经处理的对照——在tylcv感染的番茄植株上进行了测试，使用带毒的白蝇作为载体。壳聚糖-波斯胶复合物包封枯草芽孢杆菌PVRC001，与未包封处理相比，可显著促进植物生长和抑制TYLCV。MMWCC处理优于所有其他组，导致株高，鲜重（增加54.3%）和叶面积的最大增强，以及疾病发病率（48.27%）和严重程度（最低AUDPC）的最大降低。MMWCC和BS均可减少病毒积累，激活宿主防御机制，提高苯丙氨酸解氨酶（PAL）、过氧化物酶（POD）和超氧化物歧化酶（SOD）的活性，上调防御相关基因（ICS1、PR1、PR2和ERF-A2）。这些结果表明，将枯草芽孢杆菌PVRC001包封在中等分子量的壳聚糖（~ 150 kDa）中可以最大限度地发挥其保护作用，通过改善生物防治剂的递送、促进植物生长和诱导全身抗性，为TYLCV的管理提供了一种可持续的策略。
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引用次数: 0
Advances in understanding and managing Fusarium crown rot in wheat and barley: Pathogen biology, host resistance, and integrated management strategies 小麦和大麦镰刀菌冠腐病的认识和管理进展：病原生物学、寄主抗性和综合管理策略
IF 6.8 Q1 PLANT SCIENCES
Plant Stress
Pub Date : 2026-01-01 DOI: 10.1016/j.stress.2026.101224
Johannes Mapuranga, Lulu Song, Jiaojie Zhao, Hao Li, Na Zhang, Wenxiang Yang
Fusarium crown rot (FCR), caused by Fusarium pseudograminearum, is a soil-borne disease that continuously threatens wheat and barley production worldwide, resulting in substantial yield losses, particularly in semi-arid regions. This review consolidates the latest insights on Fusarium pseudograminearum epidemiology, genetic diversity, host-pathogen interactions, and the mechanisms of resistance. It integrates findings from genomics, transcriptomics, proteomics, and metabolomics. The resistance to FCR is polygenic, it is controlled by multiple quantitative trait loci, which makes breeding for resistance quite challenging. Recent advancements in omics technologies have unraveled key defense genes, signaling pathways, and virulence factors like deoxynivalenol and various effectors. While cultural methods, chemical treatments and biological control agents can help to a certain extent, they only provide partial solutions. Additionally, environmental factors such as drought can aggravate the severity of FCR, underscoring the need for disease management strategies that integrate genetic resistance, agronomic practices, and predictive diagnostics to ensure sustainable management.
镰刀菌冠腐病（Fusarium crown rot， FCR）是由pseudograminearum镰刀菌引起的一种土壤传播疾病，持续威胁着全世界的小麦和大麦生产，造成大量产量损失，特别是在半干旱地区。本文综述了pseudograminearum镰刀菌的流行病学、遗传多样性、宿主-病原体相互作用和抗性机制等方面的最新研究进展。它整合了基因组学、转录组学、蛋白质组学和代谢组学的发现。对赤霉病的抗性是多基因的，由多个数量性状位点控制，这给抗性的选育带来了很大的挑战。组学技术的最新进展揭示了关键的防御基因、信号通路和毒力因子，如脱氧雪腐镰刀菌醇和各种效应物。虽然培养方法、化学处理和生物防治剂可以在一定程度上有所帮助，但它们只能提供部分解决方案。此外，干旱等环境因素可加重FCR的严重程度，因此需要制定综合遗传抗性、农艺做法和预测性诊断的疾病管理战略，以确保可持续管理。
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引用次数: 0
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