Genetic Research on Soybean Response to Adversity Stress and Disease Stress

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

Deadline for manuscript submissions: 30 July 2024 | Viewed by 1053

Special Issue Editor

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Guest Editor
Department of Crop Science, College of Agricultural and Life Sciences, Chungnam National University, Daejeon 34134, Republic of Korea
Interests: soybean genomics and breeding
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Special Issue Information

Dear Colleagues,

Soybean is the most economically important legume in the world, providing vegetable protein and ingredients for human and animal consumption.

Adversity stresses such as temperature extremes, drought, floods, salinity, nutrient deficiencies, and toxicities limit soybean yields. Most land is exposed to stressful conditions. Because of climate change, the frequency and intensity of such environmental stresses are expected to increase, already causing substantial losses in crop production.

Diseases and pests also suppress soybean yield around the world. Many resistance genes and quantitative trait loci have been identified against major pathogens and pests, some of which were introgressed into new resistant varieties. The rapid evolution of such pathogens and pests emphasizes the importance of persistent efforts to identify new resistance germplasm and genes.

This Special Issue will therefore focus on the latest advances in the understanding of resistance to abiotic and biotic stresses. Submissions of review or original research articles covering, but not limited to, the following themes are welcome:

  • Precise, accurate, and digitalized phenotypic measurement of responses to adversity and biotic stresses;
  • Genetic dissection of tolerance to adversity and disease resistance;
  • Genomic prediction for responses to adverse environments and quantitative disease resistance;
  • Multi-omics-driven studies focusing on adversity and disease resistance;
  • Other related subjects.

Dr. Sungwoo Lee
Guest Editor

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  • soybean
  • heatwave
  • drought
  • salinity
  • flooding
  • disease
  • digital phenotyping
  • omics
  • genome-wide association
  • genomic prediction

Published Papers (1 paper)

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13 pages, 3607 KiB  
Soybean Variety Saedanbaek Confers a New Resistance Allele to Phytophthora sojae
by Hee Jin You, Kyu-Chan Shim, In-Jeong Kang, Ji-Min Kim, Sungtaeg Kang and Sungwoo Lee
Plants 2023, 12(23), 3957; - 24 Nov 2023
Viewed by 867
Phytophthora root and stem rot (PRSR) disease results in substantial losses in soybean production worldwide. The occurrence of PRSR caused by Phytophthora sojae Kaufmann & Gerdemann has become increasingly important for soybean production in the Republic of Korea, but domestic soybean–P. sojae [...] Read more.
Phytophthora root and stem rot (PRSR) disease results in substantial losses in soybean production worldwide. The occurrence of PRSR caused by Phytophthora sojae Kaufmann & Gerdemann has become increasingly important for soybean production in the Republic of Korea, but domestic soybean–P. sojae interaction has been less studied. The disease has been managed by developing varieties harboring resistance to the Phytophthora sojae (Rps) gene. The present study aimed to identify a major gene locus conferring resistance to new P. sojae isolate 2858 in the recombinant inbred line population derived from a cross between parental lines ‘Daepung’ (susceptible) and ‘Saedanbaek’ (resistant). Seventy-three recombination inbred lines (RILs) were evaluated for resistance to P. sojae isolate 2858. A resistance locus was identified in the approximate 3.3–4.3 megabase pair region on chromosome 3 using both single-marker and linkage analyses. The Rps of Saedanbaek (RpsSDB) was located on the well-known Rps gene/allele cluster region, which also partially overlapped with a locus previously identified in the Korean soybean variety, ‘Daewon’, resistant to another P. sojae isolate 2457 (RpsDW). Approximately 402 kilobase pairs of the interval region overlapped, including six nucleotide-binding site-leucine-rich repeat (NBS-LRR)-coding genes. Additional phenotypic assays revealed that Saedanbaek was susceptible to isolate 2457 and that Daewon was susceptible to isolate 2858, indicating that RpsSDB and RpsDW are different genes or alleles that confer race-specific resistance to the two P. sojae isolates. These results provide information that will be helpful for breeders developing P. sojae-resistant cultivars. Full article
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