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Plant-Bacteria Interaction
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Plant-Bacteria Interaction

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 5819

Special Issue Editors

Dr. Huamin Chen

E-Mail Website
Guest Editor
Institute of Plant Protection, Chinese Academy of Agricultural Sciences (IPPCAAS), Beijing 100193, China
Interests: plant immunity; bacterial virulence; plant-bacteria interaction; plant miRNA; nitrogen supply and plant disease
Prof. Dr. Laixin Luo

E-Mail Website
Guest Editor
Department of Plant Pathology, College of Plant Protection, Chinese Agricultural University, Beijing 100193, China
Interests: seed pathology; resistance physiology of plant pathogenic bacteria
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yongqiang He

E-Mail Website
Guest Editor
Department of Plant Protection, College of Agriculture, Guangxi University, Nanning 530004, China
Interests: molecular plant pathology; functional genomics of plant pathogens; plant nutrition; plant diseases

Special Issue Information

Dear Colleagues,

With the great number of research on the molecular interaction between plants and bacteria, we dedicate to announce the special issue of “Plant-bacteria Interaction” aiming to collect latest research, especially on the molecular mechanism of Plant-bacteria interaction, bacterial virulence, plant resistance against bacteria, and new detection method of bacterial pathogens and so on.

Understanding the intricate molecular interplay between plants and bacteria is crucial for advancing our knowledge of plant-microbe interactions and developing sustainable strategies to enhance crop productivity, protect plant health, and mitigate the impact of plant diseases. Contributions to this special issue may cover a wide range of topics related to plant-bacteria interactions, including but not limited to:

  1. Molecular mechanisms of recognition and signaling between plants and bacteria: Investigations into the specific molecular components involved in the recognition of bacterial pathogens by plants, as well as the subsequent signaling pathways activated in response to infection.
  2. Bacterial virulence factors: Studies focusing on the diverse virulence strategies employed by bacterial pathogens to manipulate plant defense mechanisms and establish successful infections. This may include the characterization of bacterial effectors, toxins, and other pathogenicity factors.
  3. Plant defense mechanisms against bacterial pathogens: Research elucidating the various mechanisms by which plants defend themselves against bacterial infections, such as the activation of immune responses, production of antimicrobial compounds, and reinforcement of physical barriers.
  4. Interactions between beneficial bacteria and plants: Investigations exploring the mutualistic relationships between plants and beneficial bacteria, including those involved in plant growth promotion, disease suppression, and nutrient acquisition.
  5. New detection methods for bacterial pathogens: Development and validation of novel diagnostic techniques for the rapid and accurate detection of bacterial pathogens in plants, such as molecular-based assays, biosensors, and advanced imaging technologies.

Dr. Huamin Chen
Prof. Dr. Laixin Luo
Prof. Dr. Yongqiang He
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plant-bacterial interaction
  • bacterial virulence
  • plant resistance against bacteria
  • detection method
  • plant bacterial disease

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Published Papers (3 papers)

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18 pages, 3846 KiB  
Article
Transcriptome and Metabolome Analysis of Rice Cultivar CBB23 after Inoculation by Xanthomonas oryzae pv. oryzae Strains AH28 and PXO99A
by Pingli Chen, Junjie Wang, Qing Liu, Junjie Liu, Qiaoping Mo, Bingrui Sun, Xingxue Mao, Liqun Jiang, Jing Zhang, Shuwei Lv, Hang Yu, Weixiong Chen, Wei Liu and Chen Li
Plants 2024, 13(10), 1411; https://doi.org/10.3390/plants13101411 - 18 May 2024
Cited by 2 | Viewed by 1174
Abstract
Bacterial leaf blight (BLB), among the most serious diseases in rice production, is caused by Xanthomonas oryzae pv. oryzae (Xoo). Xa23, the broadest resistance gene against BLB in rice, is widely used in rice breeding. In this study, the rice [...] Read more.
Bacterial leaf blight (BLB), among the most serious diseases in rice production, is caused by Xanthomonas oryzae pv. oryzae (Xoo). Xa23, the broadest resistance gene against BLB in rice, is widely used in rice breeding. In this study, the rice variety CBB23 carrying the Xa23 resistance gene was inoculated with AH28 and PXO99A to identify differentially expressed genes (DEGs) associated with the resistance. Transcriptome sequencing of the infected leaves showed 7997 DEGs between the two strains at different time points, most of which were up-regulated, including cloned rice anti-blight, peroxidase, pathology-related, protein kinase, glucosidase, and other coding genes, as well as genes related to lignin synthesis, salicylic acid, jasmonic acid, and secondary metabolites. Additionally, the DEGs included 40 cloned, five NBS-LRR, nine SWEET family, and seven phenylalanine aminolyase genes, and 431 transcription factors were differentially expressed, the majority of which belonged to the WRKY, NAC, AP2/ERF, bHLH, and MYB families. Metabolomics analysis showed that a large amount of alkaloid and terpenoid metabolite content decreased significantly after inoculation with AH28 compared with inoculation with PXO99A, while the content of amino acids and their derivatives significantly increased. This study is helpful in further discovering the pathogenic mechanism of AH28 and PXO99A in CBB23 rice and provides a theoretical basis for cloning and molecular mechanism research related to BLB resistance in rice. Full article
(This article belongs to the Special Issue Plant-Bacteria Interaction)
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18 pages, 25978 KiB  
Article
The Significance of Xylem Structure and Its Chemical Components in Certain Olive Tree Genotypes with Tolerance to Xylella fastidiosa Infection
by Erika Sabella, Ilaria Buja, Carmine Negro, Marzia Vergine, Paolo Cherubini, Stefano Pavan, Giuseppe Maruccio, Luigi De Bellis and Andrea Luvisi
Plants 2024, 13(7), 930; https://doi.org/10.3390/plants13070930 - 23 Mar 2024
Viewed by 2762
Abstract
Olive quick decline syndrome (OQDS) is a devastating plant disease caused by the bacterium Xylella fastidiosa (Xf). Exploratory missions in the Salento area led to the identification of putatively Xf-resistant olive trees (putatively resistant plants, PRPs) which were pauci-symptomatic or [...] Read more.
Olive quick decline syndrome (OQDS) is a devastating plant disease caused by the bacterium Xylella fastidiosa (Xf). Exploratory missions in the Salento area led to the identification of putatively Xf-resistant olive trees (putatively resistant plants, PRPs) which were pauci-symptomatic or asymptomatic infected plants belonging to different genetic clusters in orchards severely affected by OQDS. To investigate the defense strategies employed by these PRPs to contrast Xf infection, the PRPs were analyzed for the anatomy and histology of xylem vessels, patterns of Xf distribution in host tissues (by the fluorescent in situ hybridization technique—FISH) and the presence of secondary metabolites in stems. The xylem vessels of the PRPs have an average diameter significantly lower than that of susceptible plants for each annual tree ring studied. The histochemical staining of xylem vessels highlighted an increase in the lignin in the parenchyma cells of the medullary rays of the wood. The 3D images obtained from FISH-LSM (laser scanning microscope) revealed that, in the PRPs, Xf cells mostly appeared as individual cells or as small aggregates; in addition, these bacterial cells looked to be incorporated in the autofluorescence signal of gels and phenolic compounds regardless of hosts’ genotypes. In fact, the metabolomic data from asymptomatic PRP stems showed a significant increase in compounds like salicylic acid, known as a signal molecule which mediates host responses upon pathogen infection, and luteolin, a naturally derived flavonoid compound with antibacterial properties and with well-known anti-biofilm effects. Findings indicate that the xylem vessel geometry together with structural and chemical defenses are among the mechanisms operating to control Xf infection and may represent a common resistance trait among different olive genotypes. Full article
(This article belongs to the Special Issue Plant-Bacteria Interaction)
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Other

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11 pages, 1219 KiB  
Brief Report
miR2118 Negatively Regulates Bacterial Blight Resistance through Targeting Several Disease Resistance Genes in Rice
by Xiumei Zhu, Yongjie Kuang, Yutong Chen, Jia Shi, Yaqian Cao, Jixiang Hu, Chao Yu, Fenghuan Yang, Fang Tian and Huamin Chen
Plants 2023, 12(22), 3815; https://doi.org/10.3390/plants12223815 - 9 Nov 2023
Cited by 3 | Viewed by 1301
Abstract
Plant miRNAs are a class of noncoding RNA with a length of 21–24 nt that play an important role in plant responses to biotic and abiotic stresses. Bacterial blight (BB) caused by Xanthomonas oryzae pv. oryzae (Xoo) is one of the [...] Read more.
Plant miRNAs are a class of noncoding RNA with a length of 21–24 nt that play an important role in plant responses to biotic and abiotic stresses. Bacterial blight (BB) caused by Xanthomonas oryzae pv. oryzae (Xoo) is one of the most serious bacterial diseases in rice. Our previous work showed that osa-miR2118b/n was induced by Xoo infection. However, the biological function of miR2118 has not yet been characterized in experiments. Herein, we constructed MIR2118b OE, as well as single and double mutants of MIR2118b/n using CRISPR/Cas9. Further results showed that osa-MIR2118b OE plants exhibited longer lesion lengths than the wild type after Xoo inoculation, while MIR2118 CRISPR plants exhibited shorter lesion lengths than the wild type after Xoo inoculation. Co-transformation experiments in rice protoplasts indicated that osa-miR2118 negatively regulated the transcripts of three nucleotide-binding sites and leucine-rich repeat (NLR) genes (LOC_Os08g42700.1, LOC_Os01g05600.1, and LOC_Os12g37290.1) which are predicted target genes of miR2118, but not the mutated NLR genes with a 3 bp insertion at the center of the binding sites. The transcriptional level of the three NLR genes was reversed relative to osa-miR2118 in the MIR2118b OE and MIR2118b CRISPR plants. The above results demonstrate that osa-miR2118b/n negatively regulates the resistance to bacterial blight through negatively regulating several NLR genes. Full article
(This article belongs to the Special Issue Plant-Bacteria Interaction)
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