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Candidatus Portiera aleyrodidarum

ABSTRACT: The Bacterial communities of Bemisia tabaci Transcriptome or Gene expression

PROVIDER: PRJNA272972 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1767703.fastq.gz	Fastqsanger.gz
	SRR1767704.fastq.gz	Fastqsanger.gz

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Candidatus Portiera aleyrodidarum

Project description:Transcript sequences of endosymbiont "Candidatus Portiera aleyrodidarum" of Bemisia tabaci

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Project description:Maternally inherited obligate endosymbionts codiverge with their invertebrate hosts and reflect their host's evolutionary history. Whiteflies (Hemiptera: Aleyrodidae) harbor one obligate endosymbiont, Candidatus Portiera aleyrodidarum (hereafter Portiera). Portiera was anciently acquired by whitefly and has been coevolving with its host ever since. Uncovering the divergence of endosymbionts provides a fundamental basis for inspecting the coevolutionary processes between the bacteria and their hosts. To illustrate the divergence of Portiera lineages across different whitefly species, we sequenced the Portiera genome from Aleyrodes shizuokensis and conducted a comparative analysis on the basic features and gene evolution with bacterial genomes from five whitefly genera, namely Aleurodicus, Aleyrodes, Bemisia, Pealius, and Trialeurodes. The results indicated that Portiera from Bemisia possessed significantly larger genomes, fewer coding sequences (CDSs), and a lower coding density. Their gene arrangement differed notably from those of other genera. The phylogeny of the nine Portiera lineages resembled that of their hosts. Moreover, the lineages were classified into three distinct genetic groups based on the genetic distance, one from Aleurodicus (Aleurodicinae), one from Bemisia (Aleyrodinae), and another from Aleyrodes, Pealius, and Trialeurrodes (Aleyrodinae). Synonymous and nonsynonymous rate analyses, parity rule 2 plot analyses, neutrality plot analyses, and effective number of codons analyses supported the distinction of the three genetic groups. Our results indicated that Portiera from distant hosts exhibit distinct genomic contents, implying codivergence between hosts and their endosymbionts. This work will enhance our understanding of coevolution between hosts and their endosymbionts.

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Project description:Candidatus Portiera aleyrodidarum overview

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Project description:The complete genome of primary endosymbiont Candidatus Portiera aleyrodidarum from whitefly Aleyrodes shizuokensis

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Project description:To investigated the stage-specific gene expression response to thiamethoxam in the Bemisia tabaci, we have designed the Agilent eArray platform to identify stage-regulated gene expression towards thiamethoxam exposure.

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