Advances in Legume Crops Research—2nd Edition

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 519

Special Issue Editors


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Guest Editor
International Center for Agricultural Research in the Dry Areas (ICARDA), Terbol 1108-2010, Lebanon
Interests: legume; breeding; screening for biotic and abiotic stresses; genetic studies; disease resistance; herbicide resistance; genetic gain assessment; genomic-assisted breeding; speed breeding; efficient breeding tools and techniques; genotype × environment interaction
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Dear Colleagues,

Legumes are important crops in diversifying farming systems, being able to fix nitrogen and improving soil structure. The ability of fixing nitrogen contributes to reducing the use of chemical fertilizers, which are expensive and unfriendly for the environment. They also reduce the carbon footprint They contribute to food and nutritional security through diversified food systems. However, legume crops remain marginalized in many countries due to policy issues which favor cereals over legumes. Legumes are also affected by diverse biotic (diseases, parasitic weeds, and insects) and abiotic stresses (heat, frost, drought, salinity, soil acidity, nutrient deficiency). Conventional breeding approaches have resulted in significant genetic improvement in legume crops, and improved cultivars have been developed for cultivation in different agro-ecologies. However, low genetic gains have been reported in legume crops grown in developing countries, which indicate production gaps and low self-sufficiency. Significant research has been carried out on introgression desirables genes from crop-wide relatives, and development efforts have been made in the past decade on important legumes at advanced research institutes and in the CGIAR centers, which have led to valuable genomic resources and genomic tools such as draft genome sequence, resequencing data, large-scale genome wide markers, dense genetic maps, quantitative trait loci (QTLs), and diagnostic markers. These tools are essential to the modernization of breeding programs and accelerate the breeding cycle, which can increase genetic gains when integrated with a speed breeding approach.

Dr. Fouad S. Maalouf
Dr. Diego Rubiales
Guest Editors

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Keywords

  • genomics in legumes
  • genetics
  • molecular breeding and marker-assisted selection/breeding
  • biotic and abiotic stresses
  • genetic resources
  • wild relatives
  • genomic selection
  • modern breeding methods
  • G × E interaction
  • rapid advancement generation
  • genetic gains

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Published Papers (1 paper)

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Research

20 pages, 17002 KiB  
Article
Genome-Wide Identification and Evolutionary Analysis of the GATA Transcription Factor Family in Nitrogen-Fixing Legumes
by Meng Xia, Liwen Tang, Haoming Zhai, Yezhou Liu, Liangsheng Zhang and Dan Chen
Plants 2025, 14(16), 2456; https://doi.org/10.3390/plants14162456 - 8 Aug 2025
Viewed by 220
Abstract
GATA transcription factors are crucial for plant development and environmental responses, yet their roles in plant evolution and root nodule symbiosis are still not well understood. This study identified GATA genes across the genomes of 77 representative plant species, revealing that this gene [...] Read more.
GATA transcription factors are crucial for plant development and environmental responses, yet their roles in plant evolution and root nodule symbiosis are still not well understood. This study identified GATA genes across the genomes of 77 representative plant species, revealing that this gene family originated in Charophyta and significantly expanded in both gymnosperms and angiosperms. Phylogenetic analyses, along with examinations of conserved motifs and cis-regulatory elements in Glycine max and Arabidopsis, clearly demonstrated structural and functional divergence within the GATA family. Chromosomal mapping and synteny analysis indicated that GATA gene expansion in soybean primarily resulted from whole-genome duplication events. These genes also exhibit high conservation and signs of purifying selection in Glycine max, Lotus japonicus, and Medicago truncatula. Furthermore, by integrating phylogenetic and transcriptomic data from eight nitrogen-fixing legume species, several GATA genes were identified as strongly co-expressed with NIN1, suggesting their potential co-regulatory roles in nodule development and symbiosis. Collectively, this study offers a comprehensive overview of the evolutionary dynamics of the GATA gene family and highlights their potential involvement in root nodule symbiosis in legumes, thus providing a theoretical foundation for future mechanistic studies. Full article
(This article belongs to the Special Issue Advances in Legume Crops Research—2nd Edition)
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