GMO and New Breeding Techniques for Abiotic Stress Tolerance in Crops

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

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 1976

Special Issue Editor


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Guest Editor
Institute for Plant Molecular and Cell Biology (IBMCP), Universitat Politècnica de València-CSIC, 46022 València, Spain
Interests: abiotic stress; ion homeostasis; potassium transport; drought stress; biostimulants
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Special Issue Information

Dear Colleagues,

Abiotic stress is one of the major threats to agriculture and concomitantly to food production. Many crops have a narrow margin of tolerance to abiotic stress. Traditional plant breeding has been used to improve this tolerance but has a limited margin of action, circumscribed to the genetic pool within each or closely related species. Most of the advances in plant molecular biology have been carried out in model plants such as Arabidopsis thaliana, but the majority of this knowledge has not been applied yet to agronomy. At present, many crop genomes are available, and we have new systems biology and molecular biology techniques that enable a deep study of the molecular basis of abiotic stress in crops, as well as the application of knowledge generated in recent years to increase agronomical yield under adverse environmental conditions and climate change. In this topic, we will publish recent advances on:

1) Basic knowledge on the molecular basis of abiotic stress tolerance in crop plants.

2) Systems biology approaches to study abiotic stress in crop plants.

3) Description of the molecular basis underlying the effect of natural products, biostimulants, or mycorrhization on crop adaptation or tolerance to abiotic stress;

4) Description of novel GMO crops and its performance under abiotic stress conditions;

5) Application of new breeding techniques, including CRISPR/Cas9 to increase agronomical yield under abiotic stress conditions.

Dr. Jose M. Mulet
Guest Editor

Manuscript Submission Information

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Keywords

  • GMO crops
  • CRISPR
  • drought stress tolerance
  • salt tolerance
  • abiotic stress
  • cold stress tolerance
  • new breeding techniques

Published Papers (1 paper)

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Research

16 pages, 31391 KiB  
Article
Genome-Wide Identification of B3 DNA-Binding Superfamily Members (ABI, HIS, ARF, RVL, REM) and Their Involvement in Stress Responses and Development in Camelina sativa
by Mahmoud Kandeel, Mohamed A. Morsy, Hany M. Abd El-Lateef, Mohamed Marzok, Hossam S. El-Beltagi, Khalid M. Al Khodair, Ibrahim Albokhadaim and Katharigatta N. Venugopala
Agronomy 2023, 13(3), 648; https://doi.org/10.3390/agronomy13030648 - 23 Feb 2023
Cited by 2 | Viewed by 1591
Abstract
The B3 DNA-binding superfamily is a group of gene families that contain a B3 domain in their proteins. Members of this superfamily are involved in responses to stresses including salt, drought, and cold stress. The B3 DNA-binding superfamily has not been fully studied [...] Read more.
The B3 DNA-binding superfamily is a group of gene families that contain a B3 domain in their proteins. Members of this superfamily are involved in responses to stresses including salt, drought, and cold stress. The B3 DNA-binding superfamily has not been fully studied in Camelina sativa. A total of eighty-seven members of this superfamily were identified in C. sativa. The identified genes were placed into five groups based on a phylogenetic analysis. All the proteins were predicted to be nuclear. The RAV and ARF gene family had the most conserved motifs, with nine out of ten motifs being preserved, while the REM gene family was discovered to have the fewest, with just one conserved motif being present. The RAV and REM gene families showed the least protein–protein interactions. The CsARF5 and CsARF7 genes showed the highest potent interaction score with multiple auxin-responsive proteins. A qPCR analysis was carried out on six genes that showed stress-induced expression changes. CsREM17, CsREM5, and CsRAVL5 were discovered to be considerably increased in response to drought stress, while CsARF10, CsARF4, and CsREM34 were found to be downregulated to a large extent. The B3 DNA-binding superfamily regulates abscisic acid signaling, which in turn influences plant growth and stress resistance. Full article
(This article belongs to the Special Issue GMO and New Breeding Techniques for Abiotic Stress Tolerance in Crops)
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