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Published on: May 11, 2020
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Polymorphism of CLE gene sequences in potato.
M S Gancheva1, M R Losev1, A A Gurina2
1Saint Petersburg State University, St. Petersburg, Russia.
Vavilovskii Zhurnal Genetiki I Selektsii
|December 24, 2021
Summary
This study identified 332 CLV3/ESR (CLE) peptide hormone genes across seven wild and cultivated potato species. Findings reveal gene presence variations, including a unique CLE42 gene in most species, and highlight significant protein diversity in Solanum commersonii.
Area of Science:
- Plant Molecular Biology
- Genomics
- Agricultural Science
Background:
- CLV3/ESR (CLE) peptides are crucial plant hormones regulating development and environmental responses.
- Understanding CLE genes in diverse potato species is vital for agricultural applications.
- Limited knowledge exists on potato CLE peptide functions, with recent characterization of Solanum phureja CLE genes in 2021.
Purpose of the Study:
- To identify and analyze CLE gene sequences in wild and cultivated potato species.
- To investigate the diversity and evolutionary relationships of CLE genes within the Solanum genus.
- To provide insights into the potential roles of CLE proteins in potato development and productivity.
Main Methods:
- Bioinformatic search and analysis of CLE gene sequences in seven selected potato species (three wild, four cultivated).
- Comparative genomics to identify homologous genes and novel gene occurrences.
- Protein sequence analysis to assess polymorphism and domain variations.
Main Results:
- Identified a total of 332 CLE genes across the analyzed potato species, with 40-43 genes per species.
- All analyzed species possess homologues of previously identified S. phureja CLE genes.
- The CLE42 gene, absent in S. phureja, is present in all other studied potato species, indicating gene presence variations.
- Solanum commersonii exhibits significantly higher CLE protein polymorphism compared to other species, potentially due to its unique geographic origin.
- Observed polymorphism in functional domains of CLE proteins across different species.
Conclusions:
- The study expands the catalog of CLE genes in diverse potato species, revealing significant genomic diversity.
- The presence of CLE42 in most species and high polymorphism in S. commersonii suggest distinct evolutionary paths and regulatory roles.
- Further research on potato CLE proteins is essential to elucidate their functions in plant development and crop yield enhancement.
Keywords:
CLE genesSolanum ajanhuiriSolanum bukasoviiSolanum chauchaSolanum commersoniiSolanum curtilobumSolanum juzepczukiiSolanum verrucosumpotatoMore Related Videos
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