Pea-Rhizobial and Pea-Mycorrhizal Symbioses
Deadline for manuscript submissions: closed (1 April 2021) | Viewed by 42019
Interests: genetics and cell biology of plant‒microbe interactions; legume‒rhizobial symbiosis; legume‒mycorrhizal symbiosis
Special Issues, Collections and Topics in MDPI journals
The pea (Pisum sativum L.) is one of the most important legume crops in the world. The most important aspect of pea biology is its ability to form endosymbioses as a result of interaction with rhizobia and endomycorrhizal fungi. The formation of these symbioses allows the pea to largely satisfy its needs for various nutrients, primarily nitrogen and phosphorus, through symbiotrophic nutrition.
Its natural variation in nodulation ability was first detected in pea genotypes from Afghanistan, which did not form nodules with European strains about 90 years ago. Since then, large collections of mutants with various abnormalities in the development of symbiotic nodules have been obtained for the pea. A study of these mutants revealed about 50 symbiotic loci involved in controlling the nodulation in the pea. Moreover, the study of mutants incapable of nodulation allowed the identification of symbiotic loci that control not only the development of nodules, but also endomycorrhizal symbiosis.
However, the large genome size and the lack of effective protocols for the stable genetic transformation of the pea made it difficult to identify the symbiotic pea genes. Nevertheless, over the past 15 years, based on advances in the genetics of model legumes, several symbiotic genes have been identified in the pea, and recent sequencing of the pea genome opens up new possibilities in identifying new pea genes involved in the formation of symbiotic nodules and endomycorrhiza.
It is necessary to note that pea endosymbioses are excellent models for studying the cellular and physiological mechanisms of plant-microbial interactions.
This special volume is aimed at summarizing the latest achievements in genetics, cell biology, and physiology of pea-Rhizobium and pea-endomycorrhizal fungi symbioses. Original research papers, methods, reviews, and short communications are also welcome.
Dr. Viktor E. Tsyganov
Prof. Nicholas J. Brewin
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- plant-microbe interface
- infection thread
- symbiotic genes
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