Comparative analysis of PRR receptors and R genes reveals structural and functional divergence between wild, ancestral, and commercial citrus species
Our results show that PRR receptors and genes are organized in clusters and exhibit both inter- and intraspecific diversity, with wild citrus species presenting lower gene counts compared to ancestral and hybrid species. Wild species showed a predominance of membrane-associated PRRs (RLKs and RLPs), potentially linked to early pathogen recognition, whereas ancestral and hybrid species exhibited higher abundance of intracellular receptors (CNL and TNL). These patterns suggest distinct immune strategies among citrus species, although further functional studies are required to confirm their roles in PTI or ETI responses.
Authors
- Fabienne Micheli (ORCID: https://orcid.org/0000-0002-9031-362X)
- P. Ollitrault
- Raner José Santana Silva (ORCID: https://orcid.org/0000-0002-0805-2003)
- Fredson dos Santos Menezes (ORCID: https://orcid.org/0000-0002-1186-7924)
Institutions
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement (FR)
- Université de Montpellier (FR)
- Institut Agro Montpellier (FR)
- Universidade Estadual de Santa Cruz (BR)
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR)
- Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales (FR)
- Institut Agro Montpelier (FR)
Publication Details
- Journal
- BMC Genomics
- Published
- 2026-01-14
- DOI
- https://doi.org/10.1186/s12864-025-12043-5
- Primary Topic
- Plant Pathogenic Bacteria Studies
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Fundação de Amparo à Pesquisa do Estado da Bahia