Long Distance Signaling in Plants, 2nd Edition

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: closed (20 February 2025) | Viewed by 1108

Special Issue Editors


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Guest Editor
Department of Agronomy, Center for Plant Biology, Purdue University, 915 West State St., West Lafayette, IN 47907, USA
Interests: mineral nutrition; long-distance signaling; yield improvement; biotechnology
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Department of Agronomy, Center for Plant Biology, Purdue University, 915 West State St., West Lafayette, IN 47907, USA
Interests: yield improvement; long-distance signaling; mineral deficiency; phloem biology
Special Issues, Collections and Topics in MDPI journals
Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China
Interests: maize yield improvement; phloem signaling; nitrogen
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Higher plants have evolved a communication system that enables the coordination of developmental cues and environmental inputs. The long-distance transport of information molecules in the vascular tissues could play an important role in regulating plant growth and enabling plants to cope with adverse environments. Various molecules, including hormones, proteins, small peptides, small RNAs and mRNAs, have been detected in the vascular system and were proven to have systemic signaling functions. Traditional physiological methods and modern systemic biology approaches have been used to identify these long-distance mobile molecules. Studies involved in the identification of these molecules, as well as the in-depth functional characterization of these molecules and the associated genes are welcome for submission to this Special Issue.

Dr. Cankui Zhang
Dr. Jing Huang
Dr. Chao Xia
Guest Editors

Manuscript Submission Information

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Keywords

  • long-distance signaling
  • systemic signaling
  • plant vasculature
  • stress
  • plant development

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Published Papers (1 paper)

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Research

21 pages, 6879 KiB  
Article
Overexpression of AtruLEA1 from Acer truncatum Bunge Enhanced Arabidopsis Drought and Salt Tolerance by Improving ROS-Scavenging Capability
by Shaofeng Li, Huijing Meng, Yanfei Yang, Jinna Zhao, Yongxiu Xia, Shaoli Wang, Fei Wang, Guangshun Zheng and Jianbo Li
Plants 2025, 14(1), 117; https://doi.org/10.3390/plants14010117 - 3 Jan 2025
Cited by 2 | Viewed by 764
Abstract
Late embryonic developmental abundant (LEA) genes play a crucial role in the response to abiotic stress and are important target genes for research on plant stress tolerance mechanisms. Acer truncatum Bunge is a promising candidate tree species for investigating the tolerance [...] Read more.
Late embryonic developmental abundant (LEA) genes play a crucial role in the response to abiotic stress and are important target genes for research on plant stress tolerance mechanisms. Acer truncatum Bunge is a promising candidate tree species for investigating the tolerance mechanism of woody plants against abiotic stress. In our previous study, AtruLEA1 was identified as being associated with seed drought tolerance. In this study, LEA1 was cloned from A. truncatum Bunge and functionally characterized. AtruLEA1 encodes an LEA protein and is located in the nucleus. Phylogenetic tree analysis revealed a recent affinity of the AtruLEA1 protein to AT3G15760.1. Overexpression of AtruLEA1 resulted in enhanced tolerance of Arabidopsis thaliana to drought and salt stress and heightened the ABA sensitivity. Compared to wild-type (WT) plants, plants with overexpressed AtruLEA1 exhibited increased activities of antioxidant enzymes under drought stress. Meanwhile, the ROS level of transgenic Arabidopsis was significantly less than that of the WT. Additionally, the stoma density and stoma openness of AtruLEA1 Arabidopsis were higher compared to those in the WT Arabidopsis under salt and drought stress conditions, which ensures that the biomass and relative water content of transgenic Arabidopsis are significantly better than those of the WT. These results indicated that AtruLEA1 was involved in salt and drought stress tolerances by maintaining ROS homeostasis, and its expression was positively regulated by abiotic stress. These results indicate a positive role of AtruLEA1 in drought and salt stress and provide theoretical evidence in the direction of cultivating resistant plants. Full article
(This article belongs to the Special Issue Long Distance Signaling in Plants, 2nd Edition)
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