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Omics Studies for Stress Responses and Adaptive Evolution in Plants

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: closed (30 October 2024) | Viewed by 1380

Special Issue Editor


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Guest Editor
State Key Laboratory of Biocontrol, School of Ecology, Sun Yat-sen University, Shenzhen 518000, China
Interests: plant genomics; environmental adaptation; molecular regulation; multi-omics investigation
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Special Issue Information

Dear Colleagues,

Extreme environments and the increasingly fluctuating climate pose major threats to the growth and development of plants. Accordingly, plants have evolved remarkable physiological and metabolic characteristics that play essential roles in their adaptation to external stresses. A comprehensive understanding of the regulatory mechanisms underlying these processes will open avenues for elucidating plants’ resistance to the alterations that the global environment is currently undergoing. The development of high-throughput technologies, pan-genomic, transcriptomic and metabonomic studies will allow us to dissect the crucial molecular factors, including the genomic loci, pathways and metabolites, and their dynamics, that underlie plant adaptation to environmental stimuli. The novel findings of these studies will offer new insights into resources for genetic engineering with the aim of improving plant stress resistance.

This Special Issue will mainly focus on studies applying omics technologies to explore the molecular mechanisms of plant acclimation to environmental stress, including, but not limited to, the genomic basis of plant adaptive traits, and the transcriptional, post-transcriptional and/or metabolic dynamics in response to abiotic and/or biotic stresses. Therefore, we welcome original research and review articles that are relevant to the following categories of interest:

  • Overview of and perspectives on the molecular mechanisms underlying plant adaptation to environmental stress.
  • Explorations of the transcriptional, post-transcriptional and/or metabolic dynamics underlying plant resistance to abiotic and/or biotic stresses.
  • Multi-omics studies and their applications in studies of plant environmental adaptation.
  • The limitations and challenges of, as well as perspectives on, current efforts in pan-genomics in studies of plant adaptation will be collectively discussed.

Dr. Yuchen Yang
Guest Editor

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Keywords

  • adaptive evolution
  • phenotypic plasticity
  • genome sequencing
  • genome evolution
  • transcriptional regulation
  • epigenomics
  • proteomics
  • metabolomics
  • integrative analysis
  • single-cell assays

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Published Papers (1 paper)

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Research

19 pages, 6957 KiB  
Article
Transgenerational Plasticity Enhances the Tolerance of Duckweed (Lemna minor) to Stress from Exudates of Microcystis aeruginosa
by Gengyun Li, Tiantian Zheng, Gang Wang, Qian Gu, Xuexiu Chang, Yu Qian, Xiao Xu, Yi Wang, Bo Li and Yupeng Geng
Int. J. Mol. Sci. 2024, 25(23), 13027; https://doi.org/10.3390/ijms252313027 - 4 Dec 2024
Cited by 2 | Viewed by 972
Abstract
Transgenerational plasticity (TGP) refers to the influence of ancestral environmental signals on offspring’s traits across generations. While evidence of TGP in plants is growing, its role in plant adaptation over successive generations remains unclear, particularly in floating plants facing fluctuating environments. Duckweed ( [...] Read more.
Transgenerational plasticity (TGP) refers to the influence of ancestral environmental signals on offspring’s traits across generations. While evidence of TGP in plants is growing, its role in plant adaptation over successive generations remains unclear, particularly in floating plants facing fluctuating environments. Duckweed (Lemna minor), a common ecological remediation material, often coexists with the harmful bloom-forming cyanobacterium Microcystis aeruginosa, which releases a highly toxic exudate mixture (MaE) during its growth. In this study, we investigate the TGP of duckweed and its adaptive role under stress from MaE during the bloom-forming process. We found that exposure to MaE induces significant phenotypic plasticity in duckweed, manifested by alterations in morphological, physiological, and transcriptomic profiles. Specifically, MaE exposure significantly affected duckweed, promoting growth at low concentrations but inhibiting it at high concentrations, affecting traits like biomass, frond number, total frond area, and photosynthetic efficiency. Additionally, the activities of antioxidant enzymes, together with the levels of proline, soluble sugars, and proteins, are elevated with increasing MaE concentrations. These plastic changes are largely retained through asexual reproductive cycles, persisting for several generations even under MaE-free conditions. We identified 619 genes that maintain a ‘transcriptional memory’, some of which correlate with the TGP-linked alterations in morphological and physiological traits in response to MaE stress. Notably, progeny from MaE-exposed lineages demonstrate enhanced fitness when re-exposed to MaE. These results enhance our comprehension of the adaptive significance of TGP in plants and suggest feasible approaches for utilizing duckweed’s TGP in the bioremediation of detrimental algal blooms. Full article
(This article belongs to the Special Issue Omics Studies for Stress Responses and Adaptive Evolution in Plants)
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