Functional Genomics of Crop-Microbe Interactions

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Plant Microbe Interactions".

Deadline for manuscript submissions: 31 January 2025 | Viewed by 346

Special Issue Editors


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Guest Editor
State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, College of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
Interests: maize; genetic; breeding; disease resistance; genome; innate immunity
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E-Mail Website
Guest Editor
State Key Laboratory for Crop Genetics & Germplasm Enhancement and Utilization, Cotton Germplasm Innovation and Application Engineering Center (the Ministry of Education), College of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
Interests: drought and salt stress; molecular mechanism of abiotic stress; m6a modification
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Crop plants are constantly being surrounded by different types of microorganisms existing in neighboring environments, including the beneficial microbes and phytopathogens. It has been widely accepted that while phytopathogens attack the crop plants leading to their yield and quality reduction, beneficial microbes form microbiota conferring fitness advantages to host crops, including benefiting growth and enhancing defense against diverse environmental stresses. In recent years, much progress had been made in understanding crop-pathogens interactions, such as the decoding of both crops’ and microbial genomics, the cloning and validation of important genes responsible for defending crops from invasion by pathogens, and the dissection of molecular mechanisms underlying the immune response deployed by crop species. Meanwhile, the interactions between crops and beneficial microorganisms are also increasingly gaining extensive attentions from the research community, for instance, the assembly and community of microbiota associated with crops, the genetic impacts of host crops on the composition and functional diversity of microbiota (e.g., rhizospheric and endophytic), as well as the application of SynCom (synthetic microbial communities) in the improvement of crop performance. In this Special Issue, we aim to publish high-quality research articles and reviews related to all aspects of the functional genomics of crop-microbe interactions, including but not limited to, the integrative omics (megagenomics, comparative genomics, transcriptomics, metabolomics, and proteomics) to study the interactions between crop plants and microorganisms (beneficial ones or pathogens), and the identification and validation of important genes and their products from both hosts and microbes (strains, proteins, small molecules and other types of metabolites) with great potentials in the enhancement of crop fitness advantages or microbial functions. The new theories and technologies related to crop-microbe interactions are also within the scope of this issue.

Prof. Dr. Xiquan Gao
Dr. Dayong Zhang
Guest Editors

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Keywords

  • crops
  • beneficial microorganisms
  • functional genomics
  • integrative omics
  • microbiota
  • metagenomics
  • phytopathogens

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Published Papers (1 paper)

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Research

12 pages, 6703 KiB  
Article
Conservation and Dynamics of Maize Seed Endophytic Bacteria Across Progeny Transmission
by Kaihui Zhai, Yingying Zhang, Caihong Zhao, Qing Wang and Xiquan Gao
Microorganisms 2024, 12(12), 2399; https://doi.org/10.3390/microorganisms12122399 - 22 Nov 2024
Abstract
Maize (Zea mays L.) is an important cereal crop species for food, feedstock and industrial material. Maize seeds host a suitable ecosystem for endophytic bacteria, facilitating seed germination and seedling growth. However, the inheritance, diversity and potential function of seed endophytic bacteria [...] Read more.
Maize (Zea mays L.) is an important cereal crop species for food, feedstock and industrial material. Maize seeds host a suitable ecosystem for endophytic bacteria, facilitating seed germination and seedling growth. However, the inheritance, diversity and potential function of seed endophytic bacteria in maize remain largely unexplored. In this study, the endophytic bacteria in the seeds of maize inbred line WU109 collected during three consecutive seasons were identified using 16S rDNA sequencing. Core community composition was essentially consistent across three seed generations and two planting locations. In total, 212 operational taxonomic units (OTUs) belonging to 11 phyla were identified, among which proteobacteria was the dominant phylum. Fifty-six OTUs were conserved across three seed generations. Within them, 16 OTUs were core components and the dominant OTUs were Ralstonia solanacearum, Delftia tsuruhatensis, Bacillu svelezensis and Shigella boydii, accounting for 60% of the total abundance of OTUs. COG and KEGG analyses showed that the function of seed endophytic bacteria was mainly enriched in metabolic processes, especially in amino acid, carbohydrate and energy metabolism. Taken together, the results suggested that the community of maize seed endophytic bacteria was likely co-shaped by both genetic determination and the environment, while the core constitutes of seed endophytes were largely conserved due to transgenerational transmission. Establishing the mutualistic link between the maize seed and its endophytic bacteria enables the exploitation of the potential of endophytes for enhancing crop production. This finding provides a reference to better understand the inheritance and composition of seed core endophytic bacteria in maize. Full article
(This article belongs to the Special Issue Functional Genomics of Crop-Microbe Interactions)
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