Physiological and Molecular Plant Pathology最新文献

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Efficacy of Pseudomonas aeruginosa and Trichoderma asperellum in promoting plant growth and suppression of Ganoderma boninense disease infestations in oil palm 铜绿假单胞菌和曲霉木霉促进油棕植株生长和抑制牛灵芝病的效果研究
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-14 DOI: 10.1016/j.pmpp.2025.102662
Muniroh Ms , Nusaibah Sa , Vadamalai G
{"title":"Efficacy of Pseudomonas aeruginosa and Trichoderma asperellum in promoting plant growth and suppression of Ganoderma boninense disease infestations in oil palm","authors":"Muniroh Ms ,&nbsp;Nusaibah Sa ,&nbsp;Vadamalai G","doi":"10.1016/j.pmpp.2025.102662","DOIUrl":"10.1016/j.pmpp.2025.102662","url":null,"abstract":"<div><div>The most common disease affecting Malaysian palms is basal stem rot (BSR), which is caused by <em>Ganoderma</em> species. Pre-inoculation of oil palm seedlings with <em>Trichoderma asperellum</em> and/or <em>Pseudomonas aeruginosa</em> was conducted to study their effects on the vegetative development and BSR disease suppression. A 32-week nursery trial was conducted on four-month-old oil palm seedlings (D × P) utilizing the dip, place, and drench (DPD) artificial inoculation technique. Disease severity (DS) was determined by root symptoms in conjunction with the influence of vegetative growth. In addition, root samples were collected at eight months after inoculation (MAI) and analyzed using GC-MS to investigate the expression of metabolites generated as a defensive response to <em>G. boninense</em> infection. Using BCAs helped oil palm seedlings grow better than those that weren't treated. The single application of <em>T. asperellum</em> and the combination of <em>P. aeruginosa</em> and <em>T. asperellum</em> had the greatest impact on the growth of the oil palm seedling's plant height (143.0 cm ± 0.02) and (140.45 cm ± 0.02), respectively. Seedlings infected with <em>G. boninense</em> and treated with a mixture of BCAs had the highest top and root weight and the lowest DS (50 %), compared to seedlings infected with <em>G. boninense</em> (positive control) (83.3 %). Furthermore, GC-MS analysis revealed that treatment with BCAs produced plant secondary metabolites that may be involved in antimicrobial and plant defense systems, and as plant growth promoters.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102662"},"PeriodicalIF":2.8,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization and pathogenicity of Colletotrichum species causing anthracnose on pitaya (Hylocereus spp.) in Brazil 巴西火龙果炭疽病病原菌炭疽菌的鉴定及致病性
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-14 DOI: 10.1016/j.pmpp.2025.102657
Maria Hilma dos Santos , Jaqueline Figueredo de Oliveira Costa , Kevison Romulo da Silva França , Taciana Ferreira dos Santos , Mayra Machado de Medeiros Ferro , Maruzanete Pereira de Melo , Victor Breno Campelo Lima , Jorge Luiz Xavier Cunha , Gaus Silvestre de Andrade Lima , Iraildes Pereira Assunção
{"title":"Characterization and pathogenicity of Colletotrichum species causing anthracnose on pitaya (Hylocereus spp.) in Brazil","authors":"Maria Hilma dos Santos ,&nbsp;Jaqueline Figueredo de Oliveira Costa ,&nbsp;Kevison Romulo da Silva França ,&nbsp;Taciana Ferreira dos Santos ,&nbsp;Mayra Machado de Medeiros Ferro ,&nbsp;Maruzanete Pereira de Melo ,&nbsp;Victor Breno Campelo Lima ,&nbsp;Jorge Luiz Xavier Cunha ,&nbsp;Gaus Silvestre de Andrade Lima ,&nbsp;Iraildes Pereira Assunção","doi":"10.1016/j.pmpp.2025.102657","DOIUrl":"10.1016/j.pmpp.2025.102657","url":null,"abstract":"<div><div>Pitaya (<em>Hylocereus</em> spp.) is a tropical fruit native to southern Mexico, Guatemala, and Costa Rica. Anthracnose symptoms were observed on fruits and cladodes in the pitaya-producing regions of Alagoas and Bahia, Brazil. Fungal isolates from the <em>Colletotrichum</em> genus were obtained from symptomatic tissue. Based on morphological and multigenic analyses (<em>GAPDH</em>, <em>ACT</em>, <em>TUB2</em>, ITS and ApMAT), the isolates were identified as <em>C. chrysophilum</em>, <em>C. siamense</em>, <em>C. theobromicola</em> and <em>C. truncatum</em>. Pathogenicity tests revealed that all isolates caused brown, depressed lesions characteristic of anthracnose on fruit and cladodes. This is the first report of <em>C. chrysophilum</em> and <em>C. theobromicola</em> causing anthracnose on pitaya globally.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102657"},"PeriodicalIF":2.8,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143686212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Valorization of animal and plant-derived organic wastes for sustainable management of plant-parasitic nematodes 动植物来源的有机废物的价值为植物寄生线虫的可持续管理
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-13 DOI: 10.1016/j.pmpp.2025.102661
Mohammad Haris , Salah-Eddine Laasli , Mohammed Taoussi , Touseef Hussain , Faryad Khan , Amir Khan , Mohammad Shariq , Moh Sajid Ansari , Abrar Ahmad Khan , Rachid Lahlali
{"title":"Valorization of animal and plant-derived organic wastes for sustainable management of plant-parasitic nematodes","authors":"Mohammad Haris ,&nbsp;Salah-Eddine Laasli ,&nbsp;Mohammed Taoussi ,&nbsp;Touseef Hussain ,&nbsp;Faryad Khan ,&nbsp;Amir Khan ,&nbsp;Mohammad Shariq ,&nbsp;Moh Sajid Ansari ,&nbsp;Abrar Ahmad Khan ,&nbsp;Rachid Lahlali","doi":"10.1016/j.pmpp.2025.102661","DOIUrl":"10.1016/j.pmpp.2025.102661","url":null,"abstract":"<div><div>Soil application of organic wastes enhances soil health and induces microbial activity, creating conditions detrimental to phytopathogenic nematodes (PPNs) while improving plant growth. This review examines the practical application of various organic waste types including agricultural residues, livestock manure, and municipal waste for managing PPNs and reducing crop losses. These organic amendments contribute to PPN suppression by releasing nematicidal compounds, like volatile fatty acids, ammonia, and isothiocyanates improving soil structure, and enhancing nutrient availability. The paper provides and discusses the most known studies about the use of organic waste to reduce major PPN densities by 50–100 %, depending on the type of organic amendment, target nematode species, and environmental conditions. Overall, the use of organic waste as a PPN control strategy offers a sustainable and eco-friendly approach, promoting circular economy principles by transforming waste into valuable resources. Challenges related to quality control, pathogen transmission, and nutrient imbalances associated with large-scale applications are discussed, alongside potential solutions for optimizing efficacy and safety.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102661"},"PeriodicalIF":2.8,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143654590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular diversity of “Huanglongbing” pathogens in endosymbionts, parasitoids and predator of psyllids in Coorg mandarin ecosystem in Western Ghats, India 印度西高止山脉古柑生态系统木虱内共生、拟寄生物和捕食者中“黄龙冰”病原菌的分子多样性
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-13 DOI: 10.1016/j.pmpp.2025.102650
V. Venkataravanappa , G.S. Madhu , B.M. Muralidhara , A.T. Rani , L. Manjunatha , C.N. Lakshiminarayanareddy
{"title":"Molecular diversity of “Huanglongbing” pathogens in endosymbionts, parasitoids and predator of psyllids in Coorg mandarin ecosystem in Western Ghats, India","authors":"V. Venkataravanappa ,&nbsp;G.S. Madhu ,&nbsp;B.M. Muralidhara ,&nbsp;A.T. Rani ,&nbsp;L. Manjunatha ,&nbsp;C.N. Lakshiminarayanareddy","doi":"10.1016/j.pmpp.2025.102650","DOIUrl":"10.1016/j.pmpp.2025.102650","url":null,"abstract":"<div><div>The Coorg mandarin is a key ecotype citrus species cultivated in multi-tier cropping systems within coffee and pepper plantations in the Coorg region of India and faces considerable challenges from “huanglongbing” (HLB) transmitted by psyllids. Surveys showed that the HLB incidence ranges from 35 % to 64.2 % in Karnataka, 40 %–70 % in Tamil Nadu, and 30 %–60 % in Kerala among both seed-grown and grafted plants. This study identified four groups of psyllids, their associated endosymbionts (<em>Wolbachia</em> and ‘<em>Candidatus</em> Profftella armatura’), and two parasitoids (<em>Tamarixia radiata</em> and <em>Syrphophagus aphidivorus</em>), along with a predator (<em>Allograpta nasuta</em>), potentially influencing HLB dynamics. HLB detection in Coorg mandarin samples, based on vector and plant diagnostics, revealed four distinct groups (G1–G7) sharing over 97 % nucleotide identity with ‘<em>Candidatus</em> Liberibacter asiaticus’ strains infecting citrus globally. Further analysis of genetic variability through tandem repeat numbers (TRN) in the CLIBASIA_01645 locus showed TRN variation from 0 to 21 across the southern states, indicating significant genetic diversity among ‘<em>Ca.</em> L. asiaticus’ populations adapted to the specific ecological niche of Coorg mandarin groves. This is the first report characterizing psyllids, associated endosymbionts, parasitoids, and predators in the Coorg mandarin ecosystem.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102650"},"PeriodicalIF":2.8,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143629401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genetic mapping of quantitative trait loci conferring resistance to race 4 of Xanthomonas campestris pv. campestris in cabbage (Brassica oleracea var. capitata) 甘蓝(Brassica oleracea var. capitata)抗野油菜黄单胞菌 pv. campestris 第 4 种族的数量性状位点遗传图谱
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-12 DOI: 10.1016/j.pmpp.2025.102660
Qingguo Sun, Liang Yan, Changjun Ge, Jinlan Li, Junfen Dai, Hao Ding
{"title":"Genetic mapping of quantitative trait loci conferring resistance to race 4 of Xanthomonas campestris pv. campestris in cabbage (Brassica oleracea var. capitata)","authors":"Qingguo Sun,&nbsp;Liang Yan,&nbsp;Changjun Ge,&nbsp;Jinlan Li,&nbsp;Junfen Dai,&nbsp;Hao Ding","doi":"10.1016/j.pmpp.2025.102660","DOIUrl":"10.1016/j.pmpp.2025.102660","url":null,"abstract":"<div><div>Black rot is one of the most serious bacterial diseases affecting cabbage, yet the genetic architecture underlying its resistance remains poorly characterized. To address this knowledge gap, we explored the quantitative trait loci controlling black rot resistance during the seedling stage in a mapping population generated from well-established resistant and susceptible cabbage lines. We applied a mixed major gene plus polygene inheritance model, utilizing a joint analysis method across multiple generations, which revealed that the resistance to black rot in cabbage is controlled by two major genes with additive-dominant-epistatic effects, as well as multiple additive-dominant genes. Subsequently, we employed bulked-segregant analysis (BSA-seq) and QTL-mapping methods to identify the loci associated with black rot resistance using an F<sub>2</sub> population. In total, we identified eleven candidate loci responsible for black rot resistance on several chromosomes, including C03, C04, C07, C08, and C09. Furthermore, we performed a multi-layered investigation of the top candidate genes within these loci, analyzing their dynamic expression levels in response to black rot disease and identifying multiple promising candidate genes. Our findings provide significant insights into the molecular mechanisms of black rot resistance in cabbage, establishing a foundation for marker-assisted breeding strategies and functional genomic studies targeting this economically important trait.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102660"},"PeriodicalIF":2.8,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143637701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and role of nanoparticles as immunomodulators against plant biotic stress: Insights into Fusarium wilt management 纳米颗粒作为植物生物胁迫免疫调节剂的合成和作用:枯萎病管理的见解
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-11 DOI: 10.1016/j.pmpp.2025.102658
Debjyoti Bandhu Banerjee , Surbhi Shriti , Anirban Bhar
{"title":"Synthesis and role of nanoparticles as immunomodulators against plant biotic stress: Insights into Fusarium wilt management","authors":"Debjyoti Bandhu Banerjee ,&nbsp;Surbhi Shriti ,&nbsp;Anirban Bhar","doi":"10.1016/j.pmpp.2025.102658","DOIUrl":"10.1016/j.pmpp.2025.102658","url":null,"abstract":"<div><div>Global population outburst, xenobiotic activity and rapid urbanization challenges agricultural production heavily. Moreover, biotic stress caused by diverse group of pathogens subdued the crop yield dramatically. Among different pathogens, <em>Fusarium oxysporum</em> is a prominent pathogen of cosmopolitan distribution responsible for wilt disease. The fusarial wilt accounts for severe (10–100 %) yield loss for which global agricultural market faces huge economic losses. Scientists constantly tried to contain the wilt disease effectively in multifaceted approach. Most of the work concentrated towards resistance development through genetic manipulation or breeding with the resistant background. Although, effective but due to rapid mutation capability of the pathogen and gene segregation in plants; resistance losses in subsequent generations naturally. Similarly, chemical fungicides are also widely used, tolerance to the particular chemical fungicides gradually diminishes their effectivity. In such situation nanoparticles have emerged as one of the potent alternatives due to their unique chemistry and wonderful biological activities. The nanoparticles can be synthesized chemically or biologically. Due to their high reactive nature and activity in very low concentration, there are minimum ecological, environmental and non-specific biological toxicity. Biosynthesized nanoparticles are further safe and revolutionized the plant immunochemistry immensely. Recently, the direct interaction of nanoparticles with the plant immune response has also been documented. Hence, the present review sheds light on the unique immunomodulatory effect of nanoparticles during plant biotic stress and also comprehensively analyses its potential role in <em>Fusarium</em> wilt management. The review not only highlights different approaches of synthesis, application and delivery of nanoparticles against pathogen with the special reference to <em>Fusarium oxysporum</em>, it also envisages relevant research questions to shape the future direction of the related study.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102658"},"PeriodicalIF":2.8,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143619437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Azelaic acid enhances tomato resistance to Alternaria solani via defense responses and lignin biosynthesis 杜鹃花酸通过防御反应和木质素生物合成增强番茄对茄赤霉的抗性
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-11 DOI: 10.1016/j.pmpp.2025.102654
Mostafa Haghpanah , Nadali Babaeian Jelodar , Hamid Najafi Zarrini , Ali Pakdin-Parizi , Ali Dehestani
{"title":"Azelaic acid enhances tomato resistance to Alternaria solani via defense responses and lignin biosynthesis","authors":"Mostafa Haghpanah ,&nbsp;Nadali Babaeian Jelodar ,&nbsp;Hamid Najafi Zarrini ,&nbsp;Ali Pakdin-Parizi ,&nbsp;Ali Dehestani","doi":"10.1016/j.pmpp.2025.102654","DOIUrl":"10.1016/j.pmpp.2025.102654","url":null,"abstract":"<div><div>Tomato (<em>Solanum lycopersicum</em>) yield is drastically lowered by <em>Alternaria solani</em>-induced early blight. This study evaluates azelaic acid as a resistance inducer against <em>A. solani</em> in susceptible tomatoes, with emphasis on defense mechanisms and lignin biosynthesis. Pathogenesis-related (PR) enzyme activities (e.g., PAL, LOX, chitinase, laccase, β-1,3-glucanase), phenolic and flavonoid compounds, and lignin deposition were measured after azelaic acid treatment and pathogen infection under controlled greenhouse conditions. qRT-PCR was used to determine gene expression of defense-related transcription factors (<em>SINAC1</em>, <em>SIWRKY1</em>, <em>SIMAPK3</em>, <em>TPK1b</em>) and defense genes for lignin biosynthesis, and lignin deposition was assessed by histology and spectrophotometry. Azelaic acid significantly suppressed disease severity, with LOX, chitinase, and laccase activities restored during infection, and PAL and laccase activities optimized at 24–48 h post-inoculation (hpi). PPO activity was 11.19 U/mg protein.min<sup>−1</sup> in inoculated plants at 96 hpi. Phenolic and flavonoid contents were high at 12 hpi in treated plants, whereas lignin deposition and gene expression (e.g., <em>PAL</em>) were highest in inoculated plants, further enhanced by azelaic acid-induced lignification. Increased lignin deposition, strengthening physical defenses, was also confirmed by histological analysis. These results affirm that tomato resistance against <em>A. solani</em> is induced by azelaic acid through the induction of PR enzymes, regulation of lignin biosynthesis, and defense gene expression. This multi-faceted approach highlights the potential of azelaic acid as an eco-friendly method of managing early blight disease.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102654"},"PeriodicalIF":2.8,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143704747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Selection of suitable reference gene for gene expression studies in maize-downy mildew pathosystem 玉米霜霉病病理系统基因表达研究的合适内参基因选择
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-10 DOI: 10.1016/j.pmpp.2025.102656
Benjamine William P. Cordez , Edward Cedrick J. Fernandez , Jen Daine L. Nocum , Fe M. Dela Cueva , Anand Noel C. Manohar , Darlon V. Lantican
{"title":"Selection of suitable reference gene for gene expression studies in maize-downy mildew pathosystem","authors":"Benjamine William P. Cordez ,&nbsp;Edward Cedrick J. Fernandez ,&nbsp;Jen Daine L. Nocum ,&nbsp;Fe M. Dela Cueva ,&nbsp;Anand Noel C. Manohar ,&nbsp;Darlon V. Lantican","doi":"10.1016/j.pmpp.2025.102656","DOIUrl":"10.1016/j.pmpp.2025.102656","url":null,"abstract":"<div><div>Maize is the Philippines' second most valuable staple crop based on overall value and total area planted. Local maize production is hampered by the Philippine downy mildew (DM) disease caused by the pathogen <em>Peronosclerospora philippinensis</em> (Weston) Shaw, causing substantial losses annually. Several studies have already reported and proposed candidate DM-resistance genes that may help maize suppress the progression and effects of DM. Nevertheless, the roles of these genes need to be validated further in terms of their effect on DM resistance. One of the most crucial steps in validating gene expression analysis is the identification of suitable and stable reference genes to be used as internal controls in such experiments. Hence, this study assessed the suitability of 10 genes (<em>α-TUB, β-TUB, 18S, 25S, ACT1, CUL, FPGS, MEP, UBI,</em> and <em>UBCP</em>) to be used as reference genes in gene expression analysis studies in maize-downy mildew pathosystem. RNA extraction, complementary DNA (cDNA) synthesis, and quantitative real-time polymerase chain reaction (RT-qPCR) of mock- and DM-infected, DM-susceptible (Pi23) and DM-resistant maize (CML431) were performed. Analysis of the C<sub>q</sub> values of the genes using statistical measures of variability identified <em>CUL</em> and <em>UBI</em> to be the most stable reference genes. However, based on the comprehensive ranking of RefFinder, <em>MEP</em> was the most stable reference gene. Thus, <em>MEP</em> will be used for the subsequent validation of candidate DM-resistance and DM-susceptibility factors in response to DM infection in maize.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102656"},"PeriodicalIF":2.8,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143714368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bacillus velezensis YN2111 reveals the potential role of amine oxidase in Fusarium wilt response in Cavendish bananas velezensis YN2111揭示了胺氧化酶在卡文迪什香蕉枯萎病反应中的潜在作用
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-10 DOI: 10.1016/j.pmpp.2025.102653
Hongwei Yu , Guangdong Zhou , Wenlong Zhang , Bonaventure Aman Omondi , Alberto Cenci , Kunhua Liu , Juhua Liu , Huacai Fan , Shu Li , Mathieu Rouard , Si-Jun Zheng
{"title":"Bacillus velezensis YN2111 reveals the potential role of amine oxidase in Fusarium wilt response in Cavendish bananas","authors":"Hongwei Yu ,&nbsp;Guangdong Zhou ,&nbsp;Wenlong Zhang ,&nbsp;Bonaventure Aman Omondi ,&nbsp;Alberto Cenci ,&nbsp;Kunhua Liu ,&nbsp;Juhua Liu ,&nbsp;Huacai Fan ,&nbsp;Shu Li ,&nbsp;Mathieu Rouard ,&nbsp;Si-Jun Zheng","doi":"10.1016/j.pmpp.2025.102653","DOIUrl":"10.1016/j.pmpp.2025.102653","url":null,"abstract":"<div><div>Fusarium wilt of banana (FWB)—a soil-borne disease caused by <em>Fusarium oxysporum</em> f. sp. <em>cubense</em> (<em>Foc</em>) especially tropical race 4 (TR4)—poses a significant threat to the banana industry. Biological control is a primary strategy for preventing and controlling FWB. In this study, we isolated <em>Bacillus velezensis</em> YN2111 and found that YN2111's metabolic composition exhibits biocontrol properties, including promoting banana growth and inhibiting TR4 <em>in vitro</em>. However, greenhouse pot experiments and laser scanning confocal microscopy revealed that YN2111 can exacerbate FWB by facilitating the entry of TR4 into the plant roots. We speculate that a specific interaction exists among YN2111, Cavendish banana, and TR4. To explore this interaction, we conducted transcriptome sequencing of 64 banana root samples under four different treatments (CK, YN2111, TR4, and YN2111+TR4) at four time points. We subsequently identified a key gene through STEM analysis of DEGs, which encodes a banana amine oxidase (containing copper) involved in the catabolism of polyamines, designated as <em>MuAo</em> (TPM &lt;1). This gene was cloned, and subsequently RT-qPCR results showed that the Ct values of <em>MuAo</em> in samples treated with YN2111 were similar to those in the negative control (using a water template), suggesting that YN2111 treatment effectively inhibited <em>MuAo</em> expression. Combining RT-qPCR results with further inference from literatures, the <em>MuAo</em> may be related to the basal defense of banana, we concluded that YN2111 can block the expression of <em>MuAo</em> in banana roots, suggesting that <em>MuAo</em> could potentially be involved in the process by which YN2111 facilitates the entry of TR4 into the banana roots. Finally, we discussed a novel interaction among YN2111, banana, and TR4, with the outcomes of this research offering a better understanding of <em>Bacillus</em> spp. in biocontrol and microbial-plant interactions, and providing new insights into the exploration of resistance genes against FWB.</div></div>","PeriodicalId":20046,"journal":{"name":"Physiological and Molecular Plant Pathology","volume":"138 ","pages":"Article 102653"},"PeriodicalIF":2.8,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143686213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plant health dynamics in accordance with climate change 适应气候变化的植物健康动态
IF 2.8 3区 农林科学
Physiological and Molecular Plant Pathology Pub Date : 2025-03-10 DOI: 10.1016/j.pmpp.2025.102655
S Mohanapriya , S Vanitha , V Geethalakshmi , S Pazhanivelan , K P Ragunath , V Sendhilvel , G Vanitha
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