Signaling and Responses to Stress Combinations in Plants

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Plant-Crop Biology and Biochemistry".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 1936

Special Issue Editor


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Guest Editor
National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
Interests: abiotic stress; drought; high light; high temperature; stress combination; photosynthesis; crop
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Special Issue Information

Dear Colleagues,

Abiotic stresses (drought, high salinity, extreme temperatures, etc.) cause significant losses in agricultural production worldwide. For a long time, progress in developing crops that are highly tolerant to abiotic stress has not been very successful. One of the most important reasons behind this is that under field conditions, crops are often affected by two or multiple abiotic stresses simultaneously. Although we have a good understanding of how individual abiotic stresses affect plant growth, we know little about how plants adapt to the combination of abiotic stresses. Therefore, in-depth analysis of the physiological, metabolic, signaling and molecular responses of plants to stress combinations, mining of key regulators and networks, and development of crop varieties with greater tolerance to stress combinations are essential.

This Special Issue accepts publications concerning plants' signaling and responses to abiotic stress combinations. Research papers or reviews covering the molecular, biochemical, omics, physiological, and signaling cascades of plant responses to stress combinations are welcome.

Dr. Haiyan Xiong
Guest Editor

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Keywords

  • abiotic stress
  • stress combination
  • stress tolerance
  • drought
  • heat
  • cold
  • salt
  • signaling transduction
  • molecular response
  • network

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Published Papers (1 paper)

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Research

12 pages, 2091 KiB  
Article
Evaluation of the Effect of ‘Candidatus Liberibacter Solanacearum’ Haplotypes in Tobacco Infection
by Julien G. Levy, Azucena Mendoza-Herrera, Naveed Merchant, Katherine M. Berg-Falloure, Michael V. Kolomiets and Cecilia Tamborindeguy
Agronomy 2023, 13(2), 569; https://doi.org/10.3390/agronomy13020569 - 16 Feb 2023
Cited by 3 | Viewed by 1641
Abstract
Candidatus Liberibacter solanacearum’ (Lso) is a phloem-limited bacterial plant pathogen infecting solanaceous plants in the Americas and New Zealand and is associated with diseases of apiaceous crops in Europe, Northern Africa, and the Middle East. This pathogen is also related to other [...] Read more.
Candidatus Liberibacter solanacearum’ (Lso) is a phloem-limited bacterial plant pathogen infecting solanaceous plants in the Americas and New Zealand and is associated with diseases of apiaceous crops in Europe, Northern Africa, and the Middle East. This pathogen is also related to other Liberibacter species that infect other crops. In the USA, two haplotypes of Lso, LsoA and LsoB, are predominant and responsible for diseases in potato and tomato. Tobacco, Nicotiana tabacum, a model species to study plant defenses, is a host for Lso; therefore, the interaction between Lso and this host plant could be used to study Liberibacter−plant interactions. In this study, we characterized the infection associated with LsoA and LsoB in tobacco. Under laboratory conditions, LsoB caused more severe symptoms than LsoA, and LsoA and LsoB titers were dynamic during the 7 weeks of the experiment. We also measured SA and other metabolites, including oxylipins, at an early point of infection and found that SA was accumulated in plants infected with LsoB but not with LsoA; whereas ABA levels were reduced in LsoA- but not in LsoB-infected plants. Full article
(This article belongs to the Special Issue Signaling and Responses to Stress Combinations in Plants)
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