Shaping the Agronomy of Tomorrow: GMOs, CRISPR and New Breeding Techniques for Crop Improvement

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 2021) | Viewed by 2845

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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,

The GMO debate seems to be fading away in many countries as the number of GMO crops and the field area used for this technology increase every year. Nevertheless, the number of GMO developments is still limited, and they are mainly devoted to technical improvements such as herbicide or pest resistance. Concomitantly, there is a lot of room for improvement, and many different applications are coming to the field, including abiotic stress resistance, nutritional improvement, health-promoting benefits, molecular breeding, or industrial applications (production of vaccines, medicines, or other chemicals). In addition, there are novel technologies such as CRISPR/Cas9 or new breeding techniques with high potential for use in the development of novel and improved crops. For this Special Issue, we welcome papers related to the following topics:

  • Description and characterization of new GMO crops;
  • Description and characterization of new CRISPR/Cas9 crops;
  • Description and characterization of new crops generated using new breeding techniques;
  • Molecular breeding;
  • Field tests involving any of the above;
  • Reports characterizing genes or miRNAs using model plants with potential to be transferred to crops;
  • Reports describing the use of GMO/CRISPR/Cas9 technology or new breeding techniques for crops with increased resistance to abiotic stress, enhanced nutritional content, or health-promoting properties;
  • Reports describing the use of GMO/CRISPR/Cas9 technology or new breeding technique for enhancement of industrial crops or the production of chemicals of interest (vaccines, drugs, dyes, or any other molecules of industrial interest).

Dr. Jose M. Mulet
Guest Editor

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Keywords

  • crop improvement
  • GMO crops
  • molecular breeding
  • new breeding techniques
  • CRISPR/Cas9 crops
  • molecular pharming
  • industrial crops
  • crops for functional foods
  • nutritionally improved agricultural crops
  • biofortified crops

Published Papers (1 paper)

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Research

8 pages, 1370 KiB  
Article
Field Evaluation of CRISPR-Driven Jointless Pedicel Fresh-Market Tomatoes
by Tong Geon Lee and Samuel F. Hutton
Agronomy 2021, 11(10), 1957; https://doi.org/10.3390/agronomy11101957 - 29 Sep 2021
Cited by 5 | Viewed by 2060
Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR)-driven traits are commonly introduced into tomato (Solanum lycopersicum) in less than a year. Although CRISPR technology is highly suitable for rapid incorporation of new traits into plants with superior breeding backgrounds, the usefulness of [...] Read more.
Clustered regularly interspaced short palindromic repeats (CRISPR)-driven traits are commonly introduced into tomato (Solanum lycopersicum) in less than a year. Although CRISPR technology is highly suitable for rapid incorporation of new traits into plants with superior breeding backgrounds, the usefulness of these traits must be demonstrated prior to large-scale distribution of any new variety possessing them. The jointless pedicel trait is crucial for stem-free harvest of tomato fruits and is therefore an essential requirement for developing low-labor tomato varieties. We aimed to evaluate the effect of CRISPR-driven jointless pedicel trait on the yield and horticultural traits of fresh-market tomatoes. We conducted field trials during three consecutive seasons using three related genotypes of two elite fresh-market tomatoes, namely a jointed pedicel tomato, a CRISPR-driven jointless pedicel mutant of the jointed pedicel tomato, and a conventionally-bred jointless pedicel near isogenic line (NIL) to the jointed pedicel tomato. Field evaluations confirmed that the total and medium-, large-, or extra-large-size fruit yields of the CRISPR-driven mutants were not statistically different for those corresponding to their backgrounds and that the fruit yield stratified by fruit size might be varied under different growth conditions. We did not observe any negative correlation between the genotype and the fruit/abscission joint detachment force for any of the genotypes under study. Full article
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