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Authors Pei

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Pei, Shen-Chian


Publications
5

CitationNamesAbstract
Sequencing and comparative analyses of ‘Candidatus Phytoplasma solani’ genomes reveal diversity of effectors and potential mobile units Šeruga Musić et al. (2025). Microbial Genomics 11 (4) Ca. Phytoplasma solani Ca. Phytoplasma
Complete genome sequence of Candidatus Phytoplasma australasiaticum WF_GM2021, a plant pathogen associated with soybean witches’ broom disease in Taiwan Li et al. (2024). Microbiology Resource Announcements 13 (2) Ca. Phytoplasma
Complete genome sequence of “ Candidatus Phytoplasma pruni” PR2021, an uncultivated bacterium associated with poinsettia ( Euphorbia pulcherrima ) Pei et al. (2023). Microbiology Resource Announcements 12 (9) Ca. Phytoplasma pruni
Complete Genome Sequence of “ Candidatus Phytoplasma aurantifolia” TB2022, a Plant Pathogen Associated with Sweet Potato Little Leaf Disease in China Li et al. (2023). Microbiology Resource Announcements 12 (7) Ca. Phytoplasma aurantifolia
Complete Genome Sequence of “ Candidatus Phytoplasma asteris” QS2022, a Plant Pathogen Associated with Lettuce Chlorotic Leaf Rot Disease in China Yan et al. (2023). Microbiology Resource Announcements 12 (6) Ca. Phytoplasma asteris

Sequencing and comparative analyses of ‘Candidatus Phytoplasma solani’ genomes reveal diversity of effectors and potential mobile units
Phytoplasmas (genus ‘Candidatus Phytoplasma’) encompass a group of uncultivated bacteria affecting numerous plant species and causing significant damage in agriculture worldwide. They have a dual parasitic cycle, including colonization of both plant phloem and insect cells. Their genomes are small, diverse, repetitive, prone to rearrangements and harbour transposon-like elements known as potential mobile units (PMUs). In the Euro-Mediterranean region, ‘Ca. P. solani’ is an important species due to its broad range of plant hosts and insect vectors. To provide insights into the genomic diversity of this species, particularly the repertoire of putative effectors and PMUs, this study conducted genome sequencing and analyses of two ‘Ca. P. solani’ strains originating from different plants and transmitted by different insects. Based on de novo assembly, we obtained 19 contigs totalling 656 141 bp for strain STOL and 28 contigs totalling 707 036 bp for strain ST19. The prevalence of repetitive sequences and PMUs contributed to the fragmentation of these draft assemblies. The annotation identified 28 and 26 genes that encode putative secreted proteins in these two strains, respectively, including several homologues of previously characterized phytoplasma effectors. Our comparative analyses further identified species- and strain-specific genes. Frequently, genes that encode putative secreted proteins and effectors were found within PMU-like regions in both genomes. Moreover, strain STOL showed characteristics of a more reduced genome, having fewer PMU-like repetitive elements and genome rearrangements, while strain ST19 exhibited a higher level of sequence divergence in its PMU genes. The high levels of genomic diversity among ‘Ca. P. solani’ strains suggested rapid evolution of this species, which may contribute to its wide host range and adaptability potential. This study provides novel data on the diversification of ‘Ca. P. solani’ genomes. These results provide a foundation for future functional studies of putative effectors and their interactions with host targets, which could facilitate deciphering the pathogenicity strategies of this successful and versatile pathogen.
Complete genome sequence of “ Candidatus Phytoplasma pruni” PR2021, an uncultivated bacterium associated with poinsettia ( Euphorbia pulcherrima )
ABSTRACT The complete genome sequence of “ Candidatus Phytoplasma pruni” strain PR2021, which consists of one 705,138 bp circular chromosome and one 4,757 bp circular plasmid, is presented in this work. This bacterium is associated with poinsettia ( Euphorbia pulcherrima ) cultivar “Princettia Pink.”
Complete Genome Sequence of “ Candidatus Phytoplasma aurantifolia” TB2022, a Plant Pathogen Associated with Sweet Potato Little Leaf Disease in China
The complete genome sequence of “ Candidatus Phytoplasma aurantifolia” TB2022, which consists of one 670,073-bp circular chromosome, is presented in this work. This bacterium is associated with sweet potato little leaf disease in Fujian Province, China.
Complete Genome Sequence of “ Candidatus Phytoplasma asteris” QS2022, a Plant Pathogen Associated with Lettuce Chlorotic Leaf Rot Disease in China
The complete genome sequence of “ Candidatus Phytoplasma asteris” QS2022, which consists of one 834,303-bp circular chromosome, is presented in this work. This bacterium is associated with lettuce chlorotic leaf rot disease in Fujian Province, China.
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